S$ 472 Find Cheap Flights from the United States to Southeast Asia – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from the United States to Southeast Asia departing on 6-9. 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.
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Cheap Flights from the United States to Southeast Asia

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from the United States to Southeast Asia 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 the United States to Southeast Asia

Sat, 16 Jan - Sun, 31 Jan
Multiple Airlines Logo
15:50 - 08:45
SEA
-
SIN
24h 55m
1 stop
Multiple Airlines Logo
23:55 - 12:00
SIN
-
SEA
28h 05m
1 stop
S$ 715Multiple Airlines
Tue, 15 Sep - Mon, 28 Sep
Qatar Airways Logo
16:25 - 15:45
SEA
-
SIN
32h 20m
1 stop
Qatar Airways Logo
03:15 - 12:45
SIN
-
SEA
24h 30m
1 stop
S$ 768Qatar Airways
Tue, 20 Oct - Sun, 25 Oct
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:00 - 08:10
SIN
-
SEA
14h 10mdirect
S$ 864Singapore Airlines
Thu, 8 Oct - Sat, 24 Oct
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:00 - 08:45
SIN
-
SEA
14h 45mdirect
S$ 864Singapore Airlines
Tue, 13 Oct - Tue, 20 Oct
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:00 - 08:45
SIN
-
SEA
14h 45mdirect
S$ 864Singapore Airlines
Tue, 3 Nov - Wed, 25 Nov
United Airlines Logo
10:40 - 20:15
SFO
-
SIN
17h 35mdirect
United Airlines Logo
10:10 - 09:15
SIN
-
SFO
15h 05mdirect
S$ 895United Airlines
Wed, 4 Nov - Wed, 25 Nov
United Airlines Logo
10:40 - 20:15
SFO
-
SIN
17h 35mdirect
United Airlines Logo
10:10 - 09:15
SIN
-
SFO
15h 05mdirect
S$ 895United Airlines
Wed, 9 Sep - Thu, 17 Sep
ANA Logo
01:10 - 17:15
SFO
-
SIN
25h 05m
1 stop
ANA Logo
11:05 - 16:30
SIN
-
SFO
20h 25m
1 stop
S$ 895ANA
Thu, 31 Dec - Thu, 14 Jan
JetBlue Logo
18:50 - 08:45
ORD
-
SIN
23h 55m
1 stop
JetBlue Logo
03:15 - 14:30
SIN
-
ORD
25h 15m
1 stop
S$ 1,408JetBlue
Fri, 1 Jan - Wed, 13 Jan
JetBlue Logo
18:50 - 08:45
ORD
-
SIN
23h 55m
1 stop
JetBlue Logo
03:15 - 14:30
SIN
-
ORD
25h 15m
1 stop
S$ 1,420JetBlue
Booking Insights

KAYAK's insights & trends for flights to Southeast Asia

Get data-powered insights and trends into 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 5 days.

The cheapest ticket to Southeast Asia from the United States found in the last 5 days was to Singapore, at S$ 916 return. The most popular route is Newark Airport (EWR) to Singapore (SIN) and the cheapest return ticket found on this route in the last 5 days was S$ 916.

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$ 586 (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$ 1,085 and S$ 1,034 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 at night, when retur flights cost S$ 1,071 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$ 1,071.

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 a flight from the United States to Southeast Asia, you should book around 3 weeks before departure, which saves you about 26% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Which is the cheapest airport to fly into in Southeast Asia?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Southeast Asia is Singapore Changi Airport (SIN), with an average flight price of S$ 478.

Good to know

Low season

August

Cheapest flight

S$ 472
Best time to beat the crowds (8% less expensive on average)
Most popular time to fly (34% more expensive 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 
Verified travelerFlew with Singapore Airlines
SFO
-
SIN
Jun 2026
Always book directly with the airlines and avoid aggregators and agents
LorynFlew with Philippine Airlines
LAX
-
MNL
Jul 2026
In economy, the movies did not work only watching series. Be sure to charge electronics for any media entertainment.
ClaudiaFlew with United Airlines
SFO
-
SIN
Jun 2026
Please be careful: 1,5 hrs for transfer in San Francisco might not be enough time in the future
puraviFlew with Singapore Airlines
EWR
-
SIN
Dec 2025
Pay the extra for individual seats or for the front row seats. Food was okay.
RobertFlew with Philippine Airlines
HNL
-
MNL
Jun 2025
Ensure your seat assignments are correct before accepting boarding passes!
selamatFlew with Singapore Airlines
LAX
-
SIN
Dec 2024
Having comfortable clothing is the key for having a good trip and trying get some sleep.
DavidFlew with Singapore Airlines
JFK
-
SIN
Feb 2025
Bring a mattress pad with you if you plan on sleeping in business class.
Verified travelerFlew with Philippine Airlines
LAX
-
MNL
Oct 2024
Do not do overweight on baggage. It's only 25 kg per luggage
Verified travelerFlew with Singapore Airlines
SEA
-
SIN
Aug 2024
If you need special meals book them early
CocoFlew with Singapore Airlines
EWR
-
SIN
May 2024
please dress comfortable ... even if you have to put on your pj , bring your favorite snacks wear compression socks
Verified travelerFlew with Philippine Airlines
SFO
-
MNL
May 2024
check in online be there early and complete etravel before going to counter
AjayFlew with Singapore Airlines
LAX
-
SIN
Dec 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 Airlines
SFO
-
SIN
Jan 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.

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.

  • What is the cheapest day to fly to Southeast Asia?

    Based on KAYAK data, the cheapest day to fly to Southeast Asia is Tuesday when return tickets can be as cheap as S$ 1,084. On the other hand, the most expensive day to fly is Friday, when return prices are S$ 2,304 on average.

Reviews of the top 4 airlines flying 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.
8.2
Singapore AirlinesOverall score based on 1584 reviews
8.0Comfort
8.1Entertainment
7.8Food
8.6Crew
8.3Boarding
Airline reviews

I had selected seats together for my family of three when I first booked my tickets in February. However, I realized only when I checked in at the airport that the seats I had selected were no longer assigned to us and we were completely scattered across three different middle seats instead of being seated together! After requesting the Singapore staff to have us seated together on a full flight, they managed to find something but it was right next to the rest rooms and the whole journey of 15+ hours was really unpleasant. They said that the seat selection isn't locked and the airline can reallocate the seats anytime. No one ever told us this and it was a terribly unpleasant surprise. Will avoid Kayak/underpricer and Singapore in future

2.0 MediocreAnonymous, Jun 2026
SFO - SIN
Read more Singapore Airlines reviews

I had selected seats together for my family of three when I first booked my tickets in February. However, I realized only when I checked in at the airport that the seats I had selected were no longer assigned to us and we were completely scattered across three different middle seats instead of being seated together! After requesting the Singapore staff to have us seated together on a full flight, they managed to find something but it was right next to the rest rooms and the whole journey of 15+ hours was really unpleasant. They said that the seat selection isn't locked and the airline can reallocate the seats anytime. No one ever told us this and it was a terribly unpleasant surprise. Will avoid Kayak/underpricer and Singapore in future

The friendliness of the attendants, and the quality of the service.

Flight attendants were awesome! Very helpful and patients. Some food were good but maybe not serving fish that kinda make the whole aircraft smell fishy. The “fried pork” was tasty but too much skin so it doesnt taste that great.

Very concerned with guest comforts going out of their way to accommodate special dietary needs when the guests hadn’t pre-ordered.

Clean modern comfortable. Food could have been better, I only ate breakfast I wish they wouldn’t wake sleeping passengers who would rather sleep through dinner. No tea or coffee for breakfast

Food was terrible , uncomfortable seats, WiFi did not work, will never fly Singapore again.

I had ordered vegetarian food. What I was presented was extremely dissatisfying and not up to the mark. I pretty much did not eat entire 19 hours. For.an airline voted as best in business, it was extremely disappointing. Seats were not comfortable to sleep. Entertainment system didn’t have much choice. WiFi didn’t work for more than half the time. Cabin crew were also difficult to understand. A bit of diversity like Emirates crew would go a long way.

A little more room from the reclining seat in the front of me.

They ran out of the second choice of food was stuck with fish

I wish there was a little more leg room between the seats. The recline was good and seats overall were comfortable. I also didn’t like the 2-4-2 configuration.

The flight crew were very helpful. The seats were very close together. There was barely room to sit without touching the person next to you.

I’m an EP on AA every year for more than a decade but this was a very pleasant and surprising experience. Clean and sizable plane for HOU to CHI. 5 row first class. And excellent food in first class the steak option was really good. Your flight attendants even better. Seat 5A

It was hot and not as comfortable as the flight to Chicago. Must have been a different plane that needs to be worked on or replaced.

My flight was delayed so bad i missed u it so i just said never mind

Wonderful flight! The crew was good, check-in was good and orderly and the flight was uneventful and good.

Gluten free snack options and meals that offer both gluten free and dairy free.

The pilot was late so we didn’t take off til almost 2 hours late.

The SFO lounge closes at 12 midnight. My flight took off at 2AM

Not a bad flight but a long delay boarding and taking off due to the pilot not arriving on time.

The experience with United Airlines was excellent; however, the experience with Houston Intercontinental Airport (IAH) was horrible. Although our flight departed from Terminal B, we had to go through security in Terminal C and then get on a train for travel to Terminal B. Additionally, there was significant walking required to get to the boarding location.

Awful , hidden charges for the luggage was a very awful thing, very much a scam , booking the flight thinking the luggage was included was definitely a scam , then the girl that was taking my luggage Ayrlease the airport was an absolute awful , telling me if I don’t have money to take my luggage with me I can just throw it away , how professional, NEVER AGAIN .

Connection booked by Etihad was delayed and upon arrival to counter they closed it and denied boarding although there was still 15 minutes to go . Manager Karen was very rude and did not want to listen seems there as overbooking and canceling boarding was the only solution..

Doubled charged me for luggage and lost $520, dug much into my travel budget.

On time and no hassle luggage policy (2 checked in and 1 cabin bag)

i have book the flight with baggage. and i have paid $800.00 for the baggage. when i contacted to JUSTFLY Costumer Service they told me that my baggage was included in the booking. then why i have to pay. i am going to file a complain against it. $800.00 is not at all small amount

They lost the baggage and said it was deleted from the system. I had baggage tag so was able to file the complaint but there was no PIR number and update so far

Very disappointed to not have lounge access The shorter flight seats were uncomfortable

Dear Team, I purchased a full travel package that included 2 checked bags through you and JustFly. However, when I arrived at the airport, my ticket showed 0 checked bags. Since I was traveling internationally to India with 2 bags, It was a $200 per bag at the counter, which was extremely disappointing. For an international trip, why would I ever choose a no‑bag option for only $20–$30 less? This seems like an error in the booking process, and I am requesting clarification and a resolution. I have called JustFly and on phone for 1 hr :53 min and they couldn't help till I show some kind of proof etc which isn't possible but besides that love your service and using it for years !

Good one but just notice that you have to ask several time to get water or coffee .

It was fantastic. The flight from Chicago to Abu Dahbi was fantastic. The crew, food and service were amazing. Everything was handled by the crew member assigned to us , Nicholas, was usually done before we asked for it. Highly recommend Etihad!

Everything was good except checking bags . I had paid for two bags but it didn’t show so we had to do it again while people waited and we were struggling to get to our flight

Flight delayed 4 times on a non-stop from BOS to SFO. Then when landed in SFO had to wait for 30 mins for a gate AT 3:30AM.

Plane was delayed multiple times. I would like to request a refund. Was due to arrive Thursday evening ended up arriving Friday morning.

The seats were roomier than other airplanes I’ve been on.

The crew and the pilots. The pilots were amazing. The landing in Cancun was excellent.

The security line at JFK was one of the longest I’ve ever experienced - probably 45 minutes. I don’t know if JetBlue has control over it, but it detracted from the overall experience. Entertainment had good options, but the volume control was a bit small to tap on and the screen had a fair amount of interference blips. Clearer picture would have been better.

I liked the entertainment on JetBlue, the service from JFK to JAX was terrible at best

I usually dont fly JeTBlue and I dont think I will ever do it again. The flight was delayed fee time, nobody was giving us any info at at the airport, gate changing, the slowest and poorly organized boarding ever, rude staff.. huh

The flight was delayed. I upgraded to more room. I can't imagine how small the regular seats are I haven't upgraded for my return flight yet.

see my previous response about being kicked off the flight and having to fly the next day, ruining a planned vacation tour.

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.