SIN - SFO

S$ 636 Find Cheap Flights from Singapore to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Singapore to San Francisco departing on 1-7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Singapore to San Francisco.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Singapore to San Francisco.
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Everything you should know

Cheapest return fare
S$ 1,143
Typical prices: S$ 985-S$ 1,549
STARLUX Airlines
Mon 24-8Fri 4-9
SIN - SFO • 1 stop
Cheapest direct flights
S$ 1,167
Typical prices: S$ 932-S$ 1,565
United Airlines
Fri 17-7Sun 2-8
SIN - SFO • Direct
Top airlines
Cheapest • from S$ 1,142 (return)
Best reviews • 8.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
You can fly direct with Singapore Airlines and United Airlines. Average duration is 15h 43m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 84% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Top stopover airports
Cheapest • Avg S$ 776 (return)
Shortest trip • 18h 27m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 3 weeks in advance save around 5% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to San Francisco!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Singapore to San Francisco (SIN-SFO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Singapore to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Singapore to San Francisco

Mon, 24 Aug - Fri, 4 Sep
STARLUX Airlines Logo
14:00 - 21:00
SIN
-
SFO
22h 00m
1 stop
STARLUX Airlines Logo
00:50 - 12:40
SFO
-
SIN
20h 50m
1 stop
S$ 1,143STARLUX Airlines
Wed, 1 Jul - Tue, 28 Jul
Air Canada Logo
06:15 - 21:44
SIN
-
SFO
30h 29m
2 stops
Air Canada Logo
10:15 - 05:15
SFO
-
SIN
28h 00m
2 stops
S$ 1,144Air Canada
Thu, 9 Jul - Wed, 22 Jul
China Airlines Logo
13:45 - 20:30
SIN
-
SFO
21h 45m
1 stop
China Airlines Logo
01:05 - 12:35
SFO
-
SIN
20h 30m
1 stop
S$ 1,147China Airlines
Mon, 24 Aug - Fri, 4 Sep
STARLUX Airlines Logo
14:00 - 21:00
SIN
-
SFO
22h 00m
1 stop
STARLUX Airlines Logo
00:50 - 12:40
SFO
-
SIN
20h 50m
1 stop
S$ 1,149STARLUX Airlines
Sat, 27 Jun - Sat, 4 Jul
Air Canada Logo
07:00 - 12:08
SIN
-
SFO
44h 08m
2 stops
Air Canada Logo
12:50 - 05:15
SFO
-
SIN
49h 25m
2 stops
S$ 1,152Air Canada
Tue, 1 Sep - Mon, 28 Sep
STARLUX Airlines Logo
14:10 - 20:30
SIN
-
SFO
21h 20m
1 stop
STARLUX Airlines Logo
00:50 - 12:40
SFO
-
SIN
20h 50m
1 stop
S$ 1,153STARLUX Airlines
Thu, 20 Aug - Wed, 26 Aug
China Airlines Logo
13:45 - 20:30
SIN
-
SFO
21h 45m
1 stop
China Airlines Logo
01:05 - 12:35
SFO
-
SIN
20h 30m
1 stop
S$ 1,155China Airlines
Tue, 7 Jul - Wed, 22 Jul
Air Canada Logo
06:15 - 15:22
SIN
-
SFO
24h 07m
2 stops
Air Canada Logo
19:30 - 11:15
SFO
-
SIN
24h 45m
2 stops
S$ 1,160Air Canada
Sat, 11 Jul - Sat, 18 Jul
Air Canada Logo
07:00 - 10:20
SIN
-
SFO
18h 20m
1 stop
Air Canada Logo
20:51 - 05:15
SFO
-
SIN
41h 24m
1 stop
S$ 1,162Air Canada
Thu, 20 Aug - Thu, 27 Aug
Air Canada Logo
07:00 - 00:07
SIN
-
SFO
32h 07m
1 stop
Air Canada Logo
12:50 - 05:15
SFO
-
SIN
25h 25m
2 stops
S$ 1,165Air Canada
Booking Insights

KAYAK's insights & trends for Singapore to San Francisco flights

Get data-powered insights and trends into flights from Singapore to San Francisco to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Singapore to San Francisco?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Singapore to San Francisco departing in August.

What’s the cheapest day of the week to fly from Singapore to San Francisco?

The average price of all round-trip flights from Singapore to San Francisco clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to San Francisco on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Singapore to San Francisco. For your return ticket, we recommend flying on a Monday and avoiding Fridays for the best deals.

What is the cheapest month to fly from Singapore to San Francisco?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Singapore to San Francisco, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Singapore to San Francisco is February, where tickets cost S$ 875 (return) on average. On the other hand, the most expensive months are April and August, where the average cost of round-trip tickets is S$ 1,408 and S$ 1,357 respectively.

Can I save money by flying with a stopover from Singapore to San Francisco?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at S$ 1,257 on average.

How far in advance should I book a flight from Singapore to San Francisco?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Singapore to San Francisco, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Singapore to San Francisco, you should book around 3 weeks before departure, which saves you about 5% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 12 weeks before departure.

Good to know

Low seasonMarch
Cheapest flightS$ 636
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly (2% more expensive on average)
Flight from Singapore to San Francisco

When to book flights from Singapore to San Francisco

Are your dates flexible? Find out the best times to travel from Singapore to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Singapore to San Francisco: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Singapore to San Francisco 
Verified travelerFlew with United Airlines
SIN
-
SFO
Dec 2024
Book flight paths with only 2 flights rather than 3
GordonFlew with United Airlines
SIN
-
SFO
Apr 2024
Check your all or most of your luggage if you can. Take a small light carry for your must have items with you such as snacks, book and electronics on hand accessible during the flight.
SoukindaFlew with Singapore Airlines
SIN
-
SFO
Feb 2024
Bring a sweater, a mask and wear socks. Although they provided a blanket, it’s very chilly on a long flight. I caught a nasty cold from the flight and wasn’t masked up. Other than that our flight was great and comfortable.
SoukindaFlew with Singapore Airlines
SIN
-
SFO
Feb 2024
If you are flying with an elderly parent that needs to be near restroom, have an agent place you in the back. They will take care of you.

FAQs for booking flights from Singapore to San Francisco

  • Are there any non-stop flights from Singapore to San Francisco?

    Travellers who want to reduce their travel time and don’t want to bother with transit can opt for flying with United Airlines or Singapore Airlines to enjoy a non-stop flight. The regular check-in for United Airlines is at Terminal 2 at Changi Airport and for Singapore Airlines the check-in usually is at Terminal 2 or 3.

  • How do I get from San Francisco Airport to the city?

    The quickest way to get to San Francisco is by using the BART Rapid Rail that leaves from the airport. The courtesy AirTrain lines bring visitors from their respective terminal to the station where tickets can be purchased for the BART. Prices, depending on the final destination, are S$ 13.50 (≈$10), children under 4 go free. Cheaper fares of $3-4 (S≈$ 4-5.40) apply for the SamTrans buses that leave from the International Terminal and Terminal 2/3.

  • What is the cheapest flight from Singapore to San Francisco?

    In the last 3 days, the lowest price for a flight from Singapore to San Francisco was S$ 614 for a one-way ticket and S$ 1,140 for a return.

  • Which airports will I be using when flying from Singapore to San Francisco?

    On your way to San Francisco, you’ll fly out from Singapore Changi. You’ll be landing at San Francisco.

  • Which aircraft models fly most regularly from Singapore to San Francisco?

    The Boeing 787-9 Dreamliner is the aircraft model that flies most regularly on the Singapore to San Francisco flight route.

  • Which airline alliances offer flights from Singapore to San Francisco?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Singapore and San Francisco, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Singapore to San Francisco?

    There are direct flights from Singapore to San Francisco on a daily basis.

  • Which is the best airline for flights from Singapore to San Francisco, STARLUX Airlines or EVA Air?

    The two airlines most popular with KAYAK users for flights from Singapore to San Francisco are STARLUX Airlines and EVA Air. With an average price for the route of S$ 1,182 and an overall rating of 8.9, STARLUX Airlines is the most popular choice. EVA Air is also a great choice for the route, with an average price of S$ 1,223 and an overall rating of 8.5.

  • How does KAYAK find such low prices on flights from Singapore to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Singapore to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Singapore to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Singapore is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Singapore to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Francisco with an airline and back to Singapore with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Singapore to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Singapore to San Francisco

  • Looking for a cheap flight? 25% of our users found flights on this route for S$ 885 or less one-way and S$ 1,323 or less round-trip.
  • The long flight from Changi Singapore Airport (SIN) to San Francisco International Airport (SFO) can get boring for children, so let them spend their energy before boarding the plane. All terminals at Changi Airport feature play areas, or you can head over to the Jewel Changi, a complex adjacent to the airport with various attractions like a Canopy Park or Discovery Slides.
  • If you want to explore San Francisco with a rental car, there are ample options at San Francisco Airport to choose from. Upon landing, take the free AirTrain Blue Line from the terminal to reach the car rental centre. The train operates every 5-15 min, with frequency varying depending on whether it is day or night.
  • Travellers who want to stay close to San Francisco International Airport can choose from a selection of airport hotels such as the Aloft Hotel, Crowne Plaza Burlingame or the Best Western Grosvenor, among many others. Courtesy airport-hotel shuttles transfer passengers to airport hotels with their luggage for a convenient ride.

Prefer to fly direct from Singapore Changi to San Francisco?

 
Nonstop data is based off flight results for the next 60 days. Find direct flights from all airlines flying nonstop from Singapore Changi to San Francisco.
Find which airlines fly direct from Singapore Changi Airport to San Francisco Airport, which days they fly and book direct flights.

Direct departures

Singapore Changi to San Francisco

Monday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Tuesday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Wednesday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Thursday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Friday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Saturday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Sunday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

See more direct flights

Direct returns

San Francisco to Singapore Changi

Monday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Tuesday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Wednesday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Thursday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Friday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Saturday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Sunday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

See more direct flights

Reviews of the top 5 airlines flying from Singapore to San Francisco

 
See real verified KAYAK customer reviews for airlines flying from Singapore to San Francisco. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Singapore to San Francisco? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.9
STARLUX AirlinesOverall score based on 344 reviews
8.9Comfort
8.8Entertainment
8.9Boarding
9.2Crew
8.6Food
Airline reviews

Exceptional performance and service. All staff members and crew members extremely polite. Great boarding experience from Taipei to Clark, loading passengers from rear of plane to the front. Only suggestion is to get people to curtail trying to so much as carry on.

10.0 ExcellentAndrew, Jun 2026
TPE - CRK
Read more STARLUX Airlines reviews

Exceptional performance and service. All staff members and crew members extremely polite. Great boarding experience from Taipei to Clark, loading passengers from rear of plane to the front. Only suggestion is to get people to curtail trying to so much as carry on.

STARLUX Airlines has great staff and crew. Well organized for quick boarding of such a large plane out of Phoenix to Taipei. Interior of the aircraft was that of deluxe aircraft.

Was not able to buy wifi on the plane given, not available for economy tickets. Was not clear when buying the ticket that this was the case.

It did not feel like a luxury airline. We had booked premium economy and opted for AVML meals. This was one of the worst meal in any of the flights and I’m a frequent flyer. No great snack options were available. Drink selection was limited to wine and beer. On a long flight, you need a variety of food which was unfortunately not available. The seats were just OK and the foot rest are not comfortable.. Airline staff for courteous Audio and video section is extremely limited

Hostesses were very nice I am disappointed that I paid extra 900$for premium economy which wasn't much upgraded from regular economy, I have wasted my money on this trip 😫

The food was amazing good especially for evonoply. The seats were comfy more then usually..crew was very nice and helpful.

amazing and great food. everything was smooth from start to finished

love this boutique luxury airline. crew was nice and attentive. Lounge is too small , i think they should have more area for relaxing and lounging not just to sit and eat .. feels like a cafeteria more than a lounge. overall i enjoy it. food on the plane LAX to Teipei should inprove a bit. no flavor and more drinks pls

The overall experience with STARLUX was phenomenal. One of the best highlights for me was the smooth landing in LA(smoothest landing I’ve experienced ever) and the attentiveness of all your staff from check-in to boarding. Also, flight left and landed between airports on time. I highly recommend Starlux to my family and friends and I’m excited to fly with you again.

We are scare because almost missing the fligh from Seattle to San Diego ! Starlux not have enough members for servicing with wheel chairs? We almost left behind , so we must walking !?

They broke the contents of my carry on that was forced to be checked in.

Other than spotty internet, great servic, comfortable and smooth flight!

I liked that they gave us a couple of meals and drinks but the meal was not good and not many options especially if we are seated in the back of the plane.

Crew was good. Sometimes food was eh. The spaghetti is gross for me. First time i got food, they didn’t provide utensils so i ate with my hands. I was hungry. They gave it to me 20 mins later when a crew member came by. I would fly with them again. Nobody is perfect

Eva air was fine - Trip.com via KAYAK sold my family access to a “VIP” lounge fo a layover in Taipei… i’m please look at my pictures. It was a scam, Trip.com knows it and they are perpetrating a fraud through your web site.

We travelled with a toddler and was allowed extra time to board first which was very helpful!

My flight was amazing smooth and the attendants were so friendly and nice

Organized boarding process, superb food, lovely crew, even arrived early!

Crew are excellent. Food was good generally. Seats are small and there isn’t much leg room. Overhead bins are very small.

What could have been better, was we were delayed from takeoff for two hours. Initially we were informed that we were delayed for refueling. Then we taxied out on the tarmac, then just waited there for a long time, with no explanation of the delay. Were we just waiting on takeoff clearance or was there some other reason for the delay? The pilot, nor none of the crew informed us passengers. That was not good customer service. That needs to be improved, whenever a delay, inform the passengers for the reason.

SQ is a market leader for good reason and its 787 this time was actually comfortable and the service top notch as always.

Fast and efficient flight. Wifi worked well. Food selection could have been better

Never book through Kayak. They can offload booking to third parties that are completely horrible.

I loved the full Taylor Swift selection but felt that the other selections were limited, didn’t span the popular music eras nor a wide enough range of music genres. BUT the seat and bed were GREAT (it was wide, long enough, had great storage, firm enough to uphold body postural comfort). Outstanding crew and really great food - gourmet innovative dim sum breakfast so different from the boring standard fare offered by many other business class products.

Crew is excellent Wifi needs to be improved in order to connect to the internet.

First time flying with Singapore airlines and I’ll give them two thumbs up 👍 👍

I find it was a bit hot before take off. If there is a way to improve the airflow it would be great

Excellent service. I pre-ordered gluten intolerant meal and they handle it with care. They served me my meal before other people's to avoid crossed contamination. Thank you 🙏

No frills airline with minimal leg room and no entertainment

The flight arrived on time. 2×2 seating meant no one needed to sit in the middle. This was a connectibf flight from Singapore and required going to 3 counters in different levels to check a golf bag

Food isn’t hot, seat is too tight even for a person weight 120 lbs.

Seat is too small. Food selection is limited and often ran out of selectable item.

The go to HK trip will easily giving jetlag, but coming back to Chicago has no jetlag because of the time taking off matter.

Despite the crew's rough day, they were all very focused and friendly. The flight was too short for a meal, so no rating on that. Re. the AA app. It still isn't ready for prime time. AA works with Cathy Pacific for international flights to LA and the Aa jump to PHX. But the AA app can't find my trip and this can be problematic with flight delays and regatings at LAX.

The staff from beginning to end we're friendly and helpful. The food and beverages were quite good (but see the comment below). I also liked their entertainment options, as we'll as their frequent attention to the airplane restrooms. Here are the reasons this is not a 5-star review: - You have to pay for WiFi on the plane unless you have some level of seat upgrade. - CP sent me a warning that the name I entered to book didn't match my passport. True, but the form for entering my name didn't allow for anything but a middle initial. This lead to a lot of chats, phone calls and stress before finding out at the ticket counter that it didn't matter. CP has modified their notice to now tell you this key bit of info. - After consuming a chicken dinner they offered (Kathmandu to Hong Kong), I developed symptoms entirely consistent with salmonella, beginning about 6 hours later. There were some odd things about the serving of this meal, too. Our row was the last one served, and we were given a tray without the entree on it. About 10 minutes later the stewardess came by and said they only had one chicken meal left. My seat mate and I decided he would have the lamb and I would take the chicken. I think I lost. I suspect that this entree was left over from an earlier flight and they were scrambling to get the last row fed. My seat mate and I were the last two to receive our entrees. I am not accusing CP of giving me a contaminated meal - just that the onset and progress of symptoms closely match those of salmonella poisoning. I opted out of the first meal on the next flight 13 hours later, but was fine after that.

Good good, good seat, good entertainment system. Customer service is good but can be more polished if CX charges a premium price.

The worst experience ever! Lots of flight delays and rerouting that ended up doubling the total time. . I had to recheck my luggage because I was rerouted to Tokyo and ended up on ANA flight. I missed connecting flight twice because of the delay at Cathy Pacific. Additional stop added, rerouted to a different country for connecting flight and ended up in long waits and delays.

Very bad. Flight got delayed and missed my transfer flight twice. Had to stay overnight in Hong Kong and the next flight booked was also delayed.i had the worst experience flying from Singapore to San Francisco. Lots of delays and rerouting.

I didn’t use entertainment But everything else was of excellent quality

I liked the service. The touch screen needs improvement as well as movie choices.

United has been holding my money for a cancel on another ticket they wouldn’t let me fly for going on 5 months. Terrible service I wouldn’t choose to buy tickets or fly with united again. Very bad experience generally dishonorable and poor service .

The flight got delayed. They forgot to bring the drinks when I asked for it. The toilet is messy.

This was an overnight flight, and in the morning they did know coffee service. How you can throw passengers in a San Francisco airport at 5:40 a.m. in the morning and not giving them Coffee is a crime.

Our flight was delayed several Times due to mechanical issues. Although I understand this may happen at times, it was very inconvenient and we had to book a hotel for an overnight stay. We were traveling with my 3-yo grandson and waiting at the airport from noon until 6:30pm with no reassurance that our next rescheduled flight would depart, we had to decide what’s best for him. A day later, I found out that I may be able to demand compensation if my flight is delayed more than 4 hours. I will hav to read the fine print next time.

The staff was extremely helpful and friendly at all times! They went above and beyond to get us into an earlier flight in San Diego to make our connection in SFO possible, because our original flight did actually not make it! I did so much appreciate the UA team and how they made this possible. We also didn’t have seats together on the long flight to Singapore, but they found us seats together last moment with no additional cost! Nobody sat next to us, so that we were able to sleep! Thanks to UA for improving their service and Underpricer for booking this trip! Please be careful: 1,5 hrs for transfer in San Francisco might not be enough time in the future

Crew was great! Good meals. Had room to stretch out

How can you rate a flight when it is canceled after you leave the gate & 3 hours into sitting there or in remote area of airport after mechanical problems

Seat pitch is horrible especially on the 15 hour flight. Gate crew at SFO was Outstanding. The flight crew was also great.

6 1/2 hours from Tampa to SFO on a Boeing 737. Cramped. No Service. No real food. One pass for coffee at the beginning and a second pass THREE hours later. And check-in in Tampa was nasty even by United standards. And I am at almost TWO million miles on United. It's a non-stop. But terrible service.

First class ticket gets you no seat back entertainment? I have to bring my own laptop to see a movie? And most of their movies have ADS? No thank you. Worse: Tiny snacks only on a 2 hr flight?

Everything you need to know for your flight from Singapore to San Francisco

Information on your arrival and departure airports