S$ 427 Find Cheap Flights from the United States to Southeast Asia

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KAYAK searches hundreds of travel sites at once for deals on flights to Southeast Asia

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Southeast Asia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Southeast Asia, as well as popular online travel agencies
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KAYAK's insights & trends for flights to Southeast Asia

Get data-powered insights and trends for flights to Southeast Asia to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Southeast Asia?

These are the best return prices found by users searching on KAYAK in the last 72 hours.
The cheapest ticket to Southeast Asia from the United States found in the last 72 hours was to Singapore, at S$ 814 return. The most popular route is Newark Airport (EWR) to Singapore (SIN) and the cheapest return airline ticket found on this route in the last 72 hours was S$ 814.

What is the cheapest day to fly to Southeast Asia?

The average price of all flights from the United States to Southeast Asia clicked on KAYAK for each day over the last 12 months.
Based on KAYAK data, the cheapest day to fly to Southeast Asia is Sunday when return tickets can be as cheap as S$ 817. On the other hand, the most expensive day to fly is Saturday, when return prices are S$ 1,348 on average.

What is the cheapest month to fly from the United States to Southeast Asia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from the United States to Southeast Asia, 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 the United States to Southeast Asia is September, when tickets cost S$ 1,331 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of round-trip tickets is S$ 2,373 and S$ 2,354 respectively.

What is the cheapest time of day to fly to Southeast Asia?

The average price for all round-trip flights from the United States to Southeast Asia depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Southeast Asia is generally in the evening, when round-trip flights cost S$ 1,158 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Southeast Asia is generally at night, which is peak travel time and where the average cost of a ticket is S$ 1,569.

How far in advance should I book a flight from the United States to Southeast Asia?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Southeast Asia, 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 the United States to Southeast Asia, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Good to know

Low season

August

High season

January

Cheapest flight

S$ 427
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly and prices are also 7% lower on average.
Flight from Seattle to Singapore

Flights from the United States to Southeast Asia: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from the United States to Southeast Asia 
selamatFlew with Singapore AirlinesLAX-SINDec 2024
Having comfortable clothing is the key for having a good trip and trying get some sleep.
DavidFlew with Singapore AirlinesJFK-SINFeb 2025
Bring a mattress pad with you if you plan on sleeping in business class.
danielFlew with Singapore AirlinesLAX-SINSept 2024
They have a large library of movies and shows don't really need to bring anything for the long flight
Verified travelerFlew with Philippine AirlinesLAX-MNLOct 2024
Do not do overweight on baggage. It's only 25 kg per luggage
Verified travelerFlew with Singapore AirlinesSEA-SINAug 2024
If you need special meals book them early
MattFlew with Singapore AirlinesSFO-SINMar 2024
Staying at Crowne Plaza at the airport was really great! It’s easy to spend time in the city and worthwhile even for a 24 hour layover. The airport is of course fabulous and probably enough for entertainment for under 6 hours layovers
CocoFlew with Singapore AirlinesEWR-SINMay 2024
please dress comfortable ... even if you have to put on your pj , bring your favorite snacks wear compression socks
Verified travelerFlew with Philippine AirlinesSFO-MNLMay 2024
check in online be there early and complete etravel before going to counter
AjayFlew with Singapore AirlinesLAX-SINDec 2023
Although the flight is listed as 17 1/2 hours, actual flight time was only 16 1/2. Bring a sleep mask to ensure you rest during your flight - it helps reduce so e of the flight time and helps you arrive more refreshed.
Verified travelerFlew with Singapore AirlinesSFO-SINJan 2024
The Singapore Changi airport if huge. After getting of the aircraft, the walk to immigration control was long. Once you get to the control area, the process was quick and easy.
JeffFlew with Singapore AirlinesSEA-SINJan 2024
Delta & Alaska have best boarding process! Singapore airlines was ok!

FAQs for booking flights from the United States to Southeast Asia

  • How does KAYAK find such low prices on flights from the United States to Southeast Asia?

    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 the United States to Southeast Asia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from the United States to Southeast Asia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from the United States to Southeast Asia 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 the United States to Southeast Asia?

    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 the United States to Southeast Asia 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 the United States to Southeast Asia?

    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 the United States to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top 5 airlines serving from the United States to Southeast Asia

 
See real verified KAYAK customer reviews for airlines flying to Southeast Asia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from the United States to Southeast Asia. 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 the United States to Southeast Asia? 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 1292 reviews
8.2Boarding
7.9Comfort
7.7Food
8.6Crew
8.0Entertainment
Airline reviews

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

10.0 ExcellentAnonymous, Mar 2025LAX - NRT
Read more Singapore Airlines reviews

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

Construction at PDX resulting in very lung walk from the rental car to the gate. SFO, extremely long walk between terminals to get to connecting Singapore airlines flight. My smart watch recorded a total of 3 miles.

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!

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.

So happy I flew with Singapore Airlines. The customer service is top notch. I am terrified of flying and the staff made me feel so at ease. Will only fly Singapore internationally moving forward.

Delayed 1hour due to storm still didn't get window seat for third flight despite paying £240 extra to book them

Everything was great keep up the good work 😁, can't ask for more.

Flight from SFO did not include entertainment as it was not working the entire duration of the flight. Was informed that there would be a $350 voucher for the inconvenience. Uncertain how the voucher will be provided.

It was an average flight. I would have expected more from this airline. Food, seats, service, etc was just average. I just give them some extra points for offering free WiFi on board with just a Krisflyer account.

The food options and quality could use some more excitement and variety.

Our bag was lost so that made unnecessary chaos On our trip

Delta is my preferred airline. I've traveled with them for years. On time in most cases, good communication, easy to use app. Most planes are pretty nice. I was on a CRJ 700/900 however, which was pretty badly aged inside and needed a refresh. No infotainment, unreliable wifi, best to download before boarding or bring a book. Food choices are really just snacks on this flight, nice variety but about what you'd expect. Great staff and prompt in departure and early arrival too. Overall quite satisfied.

Crew was friendly Love the entertainment in the seat head rest.

Delta flight was on time, seats were comfortable, and crew was nice.

This had nothing to do with Delta… The flights were on time and flawless. The service was excellent. We purchased seats in (aisle/middle) comfort plus since this was a cross country flight. Unfortunately, the woman seated at the window was 300+ pounds and, as might be expected, covered up about a third of the middle seat also. there was absolutely nothing that Delta could have done about that… I just don’t know what the answer should be. If you purchase a seat, you should should be able to use the entire seat and not just the portion that someone else is not sitting/oozing in. Disappointing…there should be something that could be done….I'm just not sure what solution could be.

Delayed take-off. Very small plane so very scary with lots of bumps during the flight. Would never fly Delta on short flights in small 80 seaters plane again! Felt relieved when landed.

The worst part was I was NOT allowed in the lounge even though I was holding a first class ticket and have a premium American Express card. I have flown Business or First Class with many airlines. Delta is the ONLY one who does not extend this courtesy to anyone except people who hold the very expensive American Express card. As a result, I won’t fly Delta if I have any other choice.

It was an overnight flight and I desperately needed coffee before we landed, but Delta does only one beverage service, and that is shortly after takeoff, not before landing at 5 am.

A little bumpy ride . No food was being provided due the the turbulence. That was ok it was a short flight to my standards.

Simply outstanding. Their new lounge for Delta One customers is a cut above the rest.

Special request meals are really below average. Vegetarian options are very limited if you didn't prebook.

I've stomach problems after 2 hours of flight, Iris, the flight purser not only did her best to make me feel comfortable, she went above and beyond providing pain relievers medicines and ointment. She look and found a doctor passenger on the flight to provide advise. She even report on ground staffs about my condition and provide wheelchair upon arrival. Kudos to her and Cathay Pacific!

Everything was fine and I have no complaints or things to note.

Highly impressive. On time. Smooth and fast boarding and disembarkment. Really great service

The economy seats are much indeed roomier. Meals needs improvement.

It was okay overall but the food was very, very bad.

When comes to Taiwan airlines China airlines is the best rest are pure trash

flight delayed 45 mins - missed connection - 1 hr layover became 8 hr layover waiting for next flight -

Fast boarding flight on time boarded plane back to front instead of stupid zone groups like US airlines do...

Horrible airline. Missed my baggage and don’t want to reimburse for the basis items. Pathetic customer service

Everything is good except the dinner and breakfast. The sandwich is very delicious. Toilet is clean, I only use one of them. Flight attendants are very nice. 👍👍

A bit rush for transit. Food and entertainment are not available

Boarding was a little difficult. The gate area at O'Hare was very small and crowded due to multiple gates in the area. Could not hear the intercom, so had to rely on signage to see when my group was boarding and the signage was blocked by passengers standing in the gate. Flight was great and we arrived in Montreal on time.

Multiple delays and not straight answer from the United team

For economy, it was very good. Staff was great, they even let some of us change seats for more leg room... Put an empty seat between us which was fantastic for a 12hr flight. Onboard entertainment was excellent, I think over 200 choices of movies/tv/etc The bad was the barely/nonfunctional wifi that cost either $16.99 or 1700 miles (full flight). It was atrocious... Definitely the worst of the last 3 long haul major airlines I was on the last few months.

Stewardess spilled orange juice on my clothes/seat no help no apology just threw napkins at me to clean the mess up. Not Happy.

Smooth flight. Boarding was chaotic. Could not hear the gate agent over the intercom. People were lined up in the wrong lines. Groups one and two were told to board through line one and group 3 through line 2. All very confusing. Once in the air, the flight was smooth. There was no entertainment option on this aircraft, even though it was a larger aircraft.

The plane pushed back from the gate on time. However, it stopped on the ramp, and we waited for over 20 minutes before the aircraft pulled back to the gate. Apparently, something of importance had to be removed from the aircraft by the gate agent. I found this to be odd. The delay was not significant, but I felt that whatever was on the aircraft that had to be taken off, should’ve been done before we pushed back from the gate.

I didn’t get on plane. Passport being processed by consulate with visa application. Tried to cancel through underpricer after purchasing cacelling for any reason. No dice, they are thieves.

Electric plugs didn't work. Entertainment system wasn't working

Not so good, my business seat is not working properly

Nice new lay-flat seats in Business Class!! What a wonderful experience!

Well it's strange everytime going the flight is late coming back the service is superior

Going to Dumaguette 4 times in a row I was late it's terrible

The flight to GES MNL sucks, there was no entertainment. There was no footrest. So the business class seat was not comfortable.

The staff was wonderful. Really took good care of me. The food was not my favorite.

love the flight but the chairs are not comfortable mostly for smaller people

There was something that did not work on every fligjt. No water in business class washroom and inflight entertainment system did not work in business class.

Everything was great, except for the inflight entertainment, which wouldn't work on my Samsung Zflip. The flight was smooth despite the heavy rains exiting Tokyo. The cabin crew were very attentive and friendly. I had the pork katsudon, which was very tender and flavorful.

Flight left on time landed early, Crew was great , never an easy job. Bags arrived in a timely manner . Good job all in all.

Book cheap flights from the United States to Southeast Asia

Recent return flight deals

 
These are the cheapest return flights to Southeast Asia found on KAYAK in the last 72 hours.
24-9Wed
1 stopKorean Air
25h 20mLAX-SIN
29-10Wed
1 stopKorean Air
18h 40mSIN-LAX
S$ 849
24-9Wed
2 stopsKorean Air
24h 10mLAX-SIN
29-10Wed
1 stopKorean Air
18h 40mSIN-LAX
S$ 850
25-9Thu
directSingapore Airlines
16h 40mSFO-SIN
1-10Wed
directSingapore Airlines
15h 25mSIN-SFO
S$ 878
28-9Sun
directSingapore Airlines
16h 40mSFO-SIN
4-10Sat
directSingapore Airlines
15h 25mSIN-SFO
S$ 888
2-10Thu
1 stopUnited Airlines
21h 25mLAX-SIN
13-10Mon
1 stopUnited Airlines
25h 33mSIN-LAX
S$ 934
13-10Mon
1 stopUnited Airlines
18h 55mLAX-SIN
4-11Tue
1 stopUnited Airlines
18h 33mSIN-LAX
S$ 944
25-8Mon
1 stopCathay Pacific
21h 20mSFO-SIN
11-9Thu
1 stopCathay Pacific
19h 25mSIN-SFO
S$ 1,000
7-10Tue
1 stopCathay Pacific
24h 05mSFO-SIN
23-10Thu
1 stopCathay Pacific
22h 45mSIN-SFO
S$ 1,003
26-8Tue
2 stopsDelta
22h 40mSFO-SIN
19-9Fri
2 stopsDelta
26h 55mSIN-SFO
S$ 1,046
20-8Wed
2 stopsDelta
26h 55mLAX-SIN
18-9Thu
2 stopsDelta
25h 43mSIN-LAX
S$ 1,054

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Recent one-way flight deals

 
Only flying one-way? Below are some of the best deals for one-way flights to Southeast Asia found on KAYAK in the last 72 hours.
24-8Sun
directSingapore Airlines
16h 20mSEA-SIN
S$ 427
26-8Tue
1 stopCathay Pacific
25h 05mLAX-SIN
S$ 441
29-7Tue
directSingapore Airlines
16h 40mSFO-SIN
S$ 462
25-8Mon
1 stopCathay Pacific
20h 10mSFO-SIN
S$ 466
1-9Mon
2 stopsUnited Airlines
34h 15mLAX-SIN
S$ 482
13-8Wed
1 stopUnited Airlines
23h 00mLAX-SIN
S$ 486
5-5Mon
2 stopsDelta
26h 55mONT-SIN
S$ 601
5-5Mon
2 stopsDelta
31h 00mLAX-SIN
S$ 601
18-5Sun
1 stopPhilippine Airlines
18h 50mSEA-SIN
S$ 647
11-5Sun
1 stopPhilippine Airlines
28h 00mSFO-SIN
S$ 665

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Last minute flights to Southeast Asia

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights to Southeast Asia that are departing in the next 10 days.
1-5Thu
multi-stopCathay Pacific
32h 20mLAX-SIN
13-5Tue
multi-stopCathay Pacific
23h 55mSIN-LAX
S$ 907
1-5Thu
multi-stopCathay Pacific
32h 20mLAX-SIN
14-5Wed
multi-stopCathay Pacific
19h 05mSIN-LAX
S$ 942
1-5Thu
multi-stopUnited Airlines
20h 17mLAX-SIN
14-5Wed
multi-stopUnited Airlines
25h 29mSIN-LAX
S$ 1,041
30-4Wed
multi-stopUnited Airlines
26h 25mLAX-SIN
16-5Fri
multi-stopUnited Airlines
23h 57mSIN-LAX
S$ 1,050
1-5Thu
multi-stopPhilippine Airlines
22h 25mSFO-SIN
8-5Thu
multi-stopPhilippine Airlines
35h 30mSIN-SFO
S$ 1,171
1-5Thu
multi-stopPhilippine Airlines
22h 25mSFO-SIN
10-5Sat
multi-stopPhilippine Airlines
39h 50mSIN-SFO
S$ 1,180
4-5Sun
multi-stopDelta
43h 46mJFK-SIN
28-5Wed
multi-stopDelta
28h 23mSIN-JFK
S$ 1,186
4-5Sun
multi-stopDelta
43h 46mJFK-SIN
25-5Sun
multi-stopDelta
47h 18mSIN-JFK
S$ 1,194
30-4Wed
directSingapore Airlines
17h 35mLAX-SIN
16-5Fri
directSingapore Airlines
16h 05mSIN-LAX
S$ 1,282
30-4Wed
multi-stopSingapore Airlines
19h 50mLAX-SIN
16-5Fri
directSingapore Airlines
15h 25mSIN-LAX
S$ 1,299

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Everything you need to know for your flight to Southeast Asia

Cabin class types available on flights to Southeast Asia

Cabin classes available on flights to Southeast Asia. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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