S$ 240 Find Cheap Flights from San Francisco to Singapore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Singapore departing on 23-12. 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

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Best Singapore Flight Deals from San Francisco

Cheapest return prices found by our users on KAYAK in the last 72 hours
Singapore
Singapore1 stopS$ 700
Singapore
Singapore1 stopS$ 700

Cheap Flights from San Francisco to Singapore

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Francisco to Singapore 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 San Francisco to Singapore

Mon, 18 Aug - Wed, 1 Oct
Air India Logo
10:00 - 07:15SFO-SIN
30h 15m1 stop
Air India Logo
20:30 - 07:00SIN-SFO
25h 30m1 stop
S$ 700Air India
Find Deal
Tue, 19 Aug - Thu, 2 Oct
Air India Logo
10:00 - 21:45SFO-SIN
44h 45m1 stop
Air India Logo
19:40 - 18:00SIN-SFO
37h 20m1 stop
S$ 711Air India
Find Deal
Mon, 15 Sep - Wed, 1 Oct
Air India Logo
10:00 - 21:45SFO-SIN
44h 45m1 stop
Air India Logo
20:30 - 07:00SIN-SFO
25h 30m1 stop
S$ 720Air India
Find Deal
Mon, 15 Sep - Wed, 1 Oct
Air India Logo
10:00 - 19:30SFO-SIN
42h 30m1 stop
Air India Logo
08:45 - 07:00SIN-SFO
37h 15m1 stop
S$ 722Air India
Find Deal
Wed, 14 Jan - Sat, 31 Jan
Singapore Airlines Logo
09:40 - 19:05SFO-SIN
17h 25mdirect
Singapore Airlines Logo
09:15 - 07:50SIN-SFO
14h 35mdirect
S$ 723Singapore Airlines
Find Deal
Mon, 8 Sep - Mon, 10 Nov
Singapore Airlines Logo
12:00 - 19:10SFO-SIN
16h 10mdirect
Singapore Airlines Logo
09:15 - 07:50SIN-SFO
14h 35mdirect
S$ 727Singapore Airlines
Find Deal
Mon, 8 Sep - Mon, 10 Nov
Singapore Airlines Logo
12:00 - 19:10SFO-SIN
16h 10mdirect
Singapore Airlines Logo
09:15 - 07:50SIN-SFO
14h 35mdirect
S$ 728Singapore Airlines
Find Deal
Mon, 15 Sep - Wed, 1 Oct
United Airlines Logo
22:40 - 06:15SFO-SIN
16h 35mdirect
United Airlines Logo
08:45 - 09:15SIN-SFO
15h 30mdirect
S$ 814United Airlines
Find Deal
Mon, 15 Sep - Wed, 1 Oct
United Airlines Logo
22:40 - 06:15SFO-SIN
16h 35mdirect
United Airlines Logo
08:45 - 09:15SIN-SFO
15h 30mdirect
S$ 817United Airlines
Find Deal
Sun, 11 Jan - Sun, 25 Jan
ANA Logo
00:20 - 17:35SFO-SIN
25h 15m1 stop
ANA Logo
10:45 - 15:20SIN-SFO
20h 35m1 stop
S$ 833ANA
Find Deal
Booking Insights

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

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

What is the cheapest San Francisco to Singapore flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from San Francisco to Singapore.

The cheapest ticket to Singapore from San Francisco found in the last 72 hours was to Singapore, at S$ 1,385 return. The most popular route is from San Francisco (SFO) to Singapore (SIN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was S$ 1,385.

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

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.

No, with an average price for the route of S$ 2,553, prices are generally cheapest when you fly direct.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Singapore, 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 San Francisco to Singapore is October, when tickets cost S$ 1,021 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is S$ 1,994 and S$ 1,559 respectively.

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

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

If your flying dates are flexible, you should consider flying to Singapore 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 San Francisco to Singapore. For your return ticket, we recommend flying on a Thursday and avoiding Saturdays for the best deals.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Singapore, 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 a flight from San Francisco to Singapore, you should book around 5 weeks before departure, which saves you about 6% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.


Good to know

Low seasonMay
Cheapest flightS$ 240
Best time to beat the crowds (5% less expensive on average)
Most popular time to fly (60% more expensive on average)
Flight from San Francisco to Singapore

FAQs - booking Singapore flights

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

    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 San Francisco to Singapore.

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

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

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

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

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

    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 from San Francisco to Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Singapore?

    The cheapest time of day to fly to Singapore is generally in the morning, when retur flights cost S$ 917 on average. The most expensive time of day to fly to Singapore is generally at night, which is peak travel time and where the average cost of a ticket is S$ 1,047.

Reviews of the top airlines flying from San Francisco to Singapore

 
Need help choosing which airline to fly with from San Francisco to Singapore? 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.
8.1
Singapore AirlinesOverall score based on 1338 reviews
8.6Crew
8.0Entertainment
8.2Boarding
7.7Food
7.9Comfort
Airline reviews

Crew and service excellent. 2 hour delay for takeoff. SQ app showed flight on time.

10.0 ExcellentAnonymous, Jul 2025SFO - SIN
Read more Singapore Airlines reviews

Crew and service excellent. 2 hour delay for takeoff. SQ app showed flight on time.

Headwind delayed our flight which wasn’t the airlines fault

The food wasn’t good at all. I skipped meals .

We were not given option for meals since they ran out of the other option but good thing the remaining options tasted great.

Both the staff at check-in counter and on board were pleasant and helpful. My chicken and mashed potato was good, sauce was tasty, but the zucchini, carrot n other accompanying vegetables were over-cooked a little. (I understand the meal has to be prepared earlier). Yet I would fly on Singapore Airlines again and recommend it to family and friends.

Horrendous. We upgraded and they took the money but cancelled one of our tickets. The recline action didn’t work on the seats for the flight from Singapore to London, pre booked meals but they seemed to have disappeared as well.. Phone customer service was horrendous. Took 5 phone calls and no fix. Craig at the airport was the only one who seemed to be able to get the ticket back.

Very good flight from Boarding to landing -efficient and comfortable with decent entertainment options

The seat in economy class and legroom in Singapore airline are narrower than Korean airlines! I don’t have that comforting feeling flying with Singapore air as in the past!

Loved the airline with the exception of their carry on limitations. They enforce a strict 7 kilo limit for carry on baggage which is ridiculous. We traveled from SFO to SIN with carry on with no difficulty yet when we checked in Delhi they forced us to check the carry on bags. The weight of our carry on bags were 11 and 12 kilos and while they exceeded the limitations set by Singapore Airlines they were well under weight limitations set by may other carriers. Interestingly my wife and I were each allowed two 22 KG bags to check in addition to the 7 kg carry on for a total weight of 102 KG's. Our total weight with the one bag we planned to check and our two carry ons was 46 kgs.

Crew and service was excellent, but passengers should be offered a welcome drink before take off which did not happen. Food was very good. Unfortunately the lie-flat bed in business class was one of the most uncomfortable I have experienced. The configuration forces you to sleep with your legs at an angle instead of in a straight line, plus there is very little padding on the bed so it wasn't possible to sleep for more than 2-3 hours on an 18 hour flight. For what the airlines charges for a business class ticket their hard product leaves a lot to be desired.

I learned that seating towards the end of plane that a line forms for the restroom and people use your chair as a hand railing, bumping your seat consistently. I was seated in the aisle. I think that next time if I am towards the back row I would want to sit in the middle or window seat.

The best airline I have ever travel , really good customer service, attention and service !!

Everything was great. Only thing that could’ve made it better was buy on board options for hot food, but the snacks were decent. The flight attendants were great. I had no complaints. I was able to make it to my destination safely

Horrific. They missed my connecting flight to San Diego. I didn’t get there until Monday at 9am when I had a mandatory court settlement conference scheduled at 6am since we had parties on the east coast. This caused many issues. All because United apparently forgot to hold the doors open until my flight landed that only had a 10 minute delay. This was the last flight to Southern California. So I couldn’t even rent a car to finish the trip. United cannot be trusted when traveling on specific days and times since weather didn’t have anything to do with the delays.

Very comfortable (upgraded to business class). The audio on my screen didn’t work, but I managed to play the audio through my phone while watching the screen.

Flight was late as pilot crew had to land at different airport in their previous flight. Passengers boarded and had to wait for pilots inside plane. Series of incomplete and unnecessary announcements by an annoying voice, rather than complete, informative announcements.

Breakfast was not loaded at SFO due to catering company change. Seems like a major airline at a major hub would have thought of something else or warned passengers to pick up food before boarding a 3 hour flight.

Boarding seemed to be organized bedlam. For what ever reason, preboarding took longer than 20 minutes. Made the plane 20 minutes late taking off. Luckily we arrived on time. Flight crew seemed very friendly. Only slight turbulence.

They hired a new catering company the same day of my flight. They botched the job by not delivering the right carts and after THREE HOURS waiting, the flight crew timed out (flight was 19 hours long and FAA rules state crew can’t work more than 14 hours long). So they CANCELED OUR FLIGHT!! Worst experience ever. Avoid UAL at all costs.

The personnel were professional and friendly. The Boeing 737 Max 9 is too claustrophobic and was very warm at both airport gates, and still warm in the air.

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

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