S$ 450 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$ 382 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$ 382.

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$ 850. On the other hand, the most expensive day to fly is Saturday, when return prices are S$ 1,392 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$ 1,397 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is S$ 2,455 and S$ 2,368 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 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 4 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 Manila Ninoy Aquino Intl Airport (MNL), with an average flight price of S$ 653.

Good to know

Low season

August

High season

January

Cheapest flight

S$ 450
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.

See more FAQs

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 1285 reviews
8.0Entertainment
7.9Comfort
7.7Food
8.2Boarding
8.6Crew
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.

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.

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

Overall, very good. The food was better than expected with the exception of the pork and potatoes dinner at the end of the flight. My family all selected that dish and did not set it. I tried a bite also and it was honestly terrible. Also, it would be helpful to know when the snacks in the back of the plane are available.

On time boarding I would like to see ground hostess to help transit customers to direct them to the right terminal and boarding gate. Last night, all the transit customers on SQ484 arriving Singapore had to merry go round to look for terminal and boarding gate to board SQ128 transit to KL Malaysia. We went to Terminal 3 taking the Skytrain to T3 and back to T3 to get out to look for different Skytrain to T2. On arrival t2, we had to go round to ask which boarding gate to KL. We only had 5 minutes to make to the boarding time at 6:55pm but we already spent more than 30 minutes running around to find the boarding gate. We were late at the boarding gate.

The Dekta Rep that checked us in was great. She's very personable, pleasant, and can tell she enjoys her job.

After a 5 hour delay waiting at the gate (3 delays adding up) with no clear reason provided, we finally boarded flew 3/4 of the way to Toronto then were turned back to New York. As we neared New York, the pilot declared that it was his fault, something to do with timing and him not being allowed into the country???? How could the airline let his happen? They had hours to prepare and make sure they had a crew available for the flight! We ended up in Toronto a day late with no sleep.

The plane was old with small storage areas that had problems closing/latching and not enough storage for everyone, and worn, damaged seats. Service was great but feel a little unsafe on such well used planes.

Terrible and im avoiding them in the future. My initial flight was delayed causing me to rebook my flight and when speaking with the representative to rebook I explained this is the second time my flights were delayed and they did nothing to help me. I wasn't booked to comfort plus or given a voucher or anything. I was almost late for my meeting that I needed to attend on Monday because of the games delta played delaying my flights even more and putting me in the very back of the plane next to an extremely intoxicated passenger

Friendly flight attendants, smooth 8-9 hours flight. Economy seats are small and uncomfortable as usual.

Flights on time. .Ride was as comfortable as can be expected in steerage. Luggage arrived at destination. Attendants were fairly friendly.

Great staff. Wifi is terrible. Signing up for skylines is a painstaking process. Had to call customer service just to get my flight itinerary and confirmation sent to me. Consistent delays. A well staffed company that is run so poorly. Upper management needs to be renewed.

The WiFi didn't seem as fast as it normally is

Bathrooms dirty sinks clogged. No one seemed to clean them. Plane very old

Thank you for not flipping the plane on the run way. You guys get a 5 star rating for the flight!!!

very professional and very attentive to my Special Needs as I required a Wheel Chair and assistance to board

Crew was great. But a bit understaffed. The business class seat, etc were dated. But comfortable. Some legs had entertainment system from a decade ago. Selections were rather poor. Food was mediocre at best. Actually poor for business class standards. I liked the lounge in Hong Kong. Showers were great. Food was nice.

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

Overall, it was ok. However, the food was very sub-par.

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...

Compared with other carriers business class for an overnight was not worth the extra expense.

Seats were comfortable. It’s was so cold and very uncomfortable. I paid 2000 miles for wifi service that was choppy the whole flight. Would like to be reimbursed for my miles Food was so disappointing. Three cold and terrible meals for $3000 round trip. This needs to be better.

Generally good. The aisles have gotten narrower which can slow down boarding. Flight crew was great! Healthier complimentary snacks would be appreciated. Due to earthquake in San Francisco we had to circle in air space for a bit but then had a smooth landing. I laud the flight crew for their patience ;)

Easy to board. Flight was super crowded though so I didn't sleep well on that cross country red-eye flight. The aisles seem ot have gotten narrower and the seat smaller whn luggage and people are getting bigger so it would be AWESOME to have more space and breathing room in general ;)

Excellent, professional, actually on time which is rare for late flights. Decent food. I love the new neck pillows! Nice, simple upgrade from the old ones I wasn't sure where to put. I wish they would allow more time for rest. It's a red eye 7 hour flight and meal service was about 3 hours.

We boarded but then sat there waiting on some missed connection people to get on so we sat for about 15 minutes for that. Then we sat again because the passenger manifest was wrong and they had to figure it out before we could leave. That took about another 20 minutes or so. The crew was working hard to figure it out so it’s not their fault. It ended up being a system glitch where someone was upgraded to first class while another person was also in the same seat and it just created a mess that took a little while to figure out. They literally went to every person on the plane asking their names to see who was sitting in the wrong seat. I also hate the entertainment that must be watched on your phone or tablet. Just give us setback screens. It’s so much better. Almost every Delta flight has this now and it is so nice to have them. The crew did a great job. I have no complaints from them. They were very hard working, even with the mishap and a disgruntled passenger.

We were delayed in Toronto on the tarmac for THREE hours with no clear indication as to why except that it was not a safety hazard. Pilot did apologize more than once but even he was unable to explain why exactly we were delayed. I overheard the stewards saying that the captain was very frustrated with the situation as well because he was not able to explain why except it had something to do with water supply or system on the aircraft and now we needed to wait for an engineer to approve the aircraft for flight. It was very frustrating and distressing as a passenger and we should have been given complimentary meals at the very least.

Flight was cramped with every seat taken. The food was fine, nothing crazy to write home about. The plane felt dated and needing some TLC, the button for the window shade didn't work and there were no AC outlets to use. When communicating with staff all except one nice lady never seemed happy to help me almost like I was bothering them when asked for things like a glass of water or a snack. The flight was overall fine. It did what was needed which is get me from point A to point B. But it certainly was not special. I don't expect much in economy but I believe economy on a host of other airlines is more memorable and better experience.

Overall poor for me I paid extra for seats with leg room and my regional flights exit row seats have less leg room then the others that's money that could have been saved and on my final flight home the flights air was not operating it was unbearably hot in the cabin I will be contacting United and filing a DOT complaint

We paid extra for the seats with extra leg room. But we were not allocated the seats with extra leg room nor refunded the money we paid for the seats.

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.

Expensive and yet uncomfortable. Was told by the crew to get back to us for the breakfast meal but never returned, my child was hungry

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

Food was great. Hot meals. Entertainment- not so good. They only showed one tv filipino series with only 3 episodes for a 14 hour flight.

Flight was delayed and caused us to miss our connection. American Airlines did nothing to compensate us and they lost 2 out of 4 of our checked baggage. They have not returned inquiries into customer service and have not offered us compensation. Terrible.

The PAL employee who assisted my minor children went above and beyond her job and our expectations! Sophia was kind, courteous and made sure my children were taken care of!

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.
8-9Mon
directSingapore Airlines
16h 40mSFO-SIN
10-11Mon
directSingapore Airlines
14h 35mSIN-SFO
S$ 900
8-9Mon
directSingapore Airlines
16h 40mSFO-SIN
10-11Mon
directSingapore Airlines
14h 35mSIN-SFO
S$ 919
11-9Thu
1 stopPhilippine Airlines
29h 35mLAX-SIN
5-11Wed
1 stopPhilippine Airlines
25h 00mSIN-LAX
S$ 931
1-5Thu
1 stopCathay Pacific
21h 25mLAX-SIN
15-5Thu
1 stopCathay Pacific
18h 00mSIN-LAX
S$ 1,003
30-4Wed
directUnited Airlines
17h 00mSFO-SIN
27-5Tue
directUnited Airlines
15h 35mSIN-SFO
S$ 1,008
7-4Mon
1 stopCathay Pacific
26h 05mLAX-SIN
13-4Sun
1 stopCathay Pacific
23h 55mSIN-LAX
S$ 1,010
30-4Wed
directUnited Airlines
17h 00mSFO-SIN
27-5Tue
1 stopUnited Airlines
20h 30mSIN-SFO
S$ 1,022
16-8Sat
1 stopPhilippine Airlines
22h 25mSFO-SIN
31-8Sun
1 stopPhilippine Airlines
21h 15mSIN-SFO
S$ 1,050
9-9Tue
2 stopsDelta
31h 10mLAX-SIN
13-11Thu
2 stopsDelta
25h 49mSIN-LAX
S$ 1,073
12-5Mon
2 stopsDelta
31h 50mSFO-SIN
24-5Sat
2 stopsDelta
31h 34mSIN-SFO
S$ 1,073

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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.
5-9Fri
directSingapore Airlines
16h 20mSEA-SIN
S$ 450
8-5Thu
directSingapore Airlines
16h 20mSEA-SIN
S$ 475
3-4Thu
1 stopCathay Pacific
21h 25mLAX-SIN
S$ 478
9-4Wed
1 stopCathay Pacific
25h 35mSFO-SIN
S$ 489
7-4Mon
directUnited Airlines
17h 00mSFO-SIN
S$ 550
3-8Sun
1 stopUnited Airlines
37h 55mSFO-SIN
S$ 564
9-4Wed
2 stopsDelta
31h 00mLAX-SIN
S$ 613
8-4Tue
2 stopsDelta
32h 20mONT-SIN
S$ 613
12-4Sat
1 stopPhilippine Airlines
28h 45mJFK-SIN
S$ 683
27-7Sun
1 stopPhilippine Airlines
18h 50mSEA-SIN
S$ 3,047

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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.
2-4Wed
multi-stop
40h 06mLAX-SIN
5-6Thu
multi-stop
21h 58mSIN-LAX
S$ 988
1-4Tue
multi-stopCathay Pacific
26h 05mLAX-SIN
14-4Mon
multi-stopCathay Pacific
29h 40mSIN-LAX
S$ 1,011
2-4Wed
multi-stopUnited Airlines
21h 25mLAX-SIN
5-6Thu
multi-stopUnited Airlines
22h 13mSIN-LAX
S$ 1,055
2-4Wed
multi-stopUnited Airlines
20h 25mLAX-SIN
15-4Tue
multi-stopUnited Airlines
25h 39mSIN-LAX
S$ 1,061
30-3Sun
multi-stopDelta
26h 35mSFO-SIN
4-4Fri
multi-stopDelta
30h 01mSIN-SFO
S$ 1,073
30-3Sun
multi-stopDelta
26h 35mSFO-SIN
10-5Sat
multi-stopDelta
36h 31mSIN-SFO
S$ 1,193
29-3Sat
multi-stopPhilippine Airlines
22h 55mSFO-SIN
14-4Mon
multi-stopPhilippine Airlines
39h 50mSIN-SFO
S$ 1,225
29-3Sat
multi-stopPhilippine Airlines
22h 55mSFO-SIN
14-4Mon
multi-stopPhilippine Airlines
39h 50mSIN-SFO
S$ 1,232
31-3Mon
directSingapore Airlines
16h 40mSFO-SIN
2-4Wed
directSingapore Airlines
15h 25mSIN-SFO
S$ 1,333
2-4Wed
directSingapore Airlines
17h 35mLAX-SIN
5-6Thu
directSingapore Airlines
16h 05mSIN-LAX
S$ 1,420

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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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