What airlines fly to Southeast Asia?

Philippine Airlines, EVA Air and Cathay Pacific are the top three most popular airlines that fly to Southeast Asia from United States according to our data. Philippine Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Southeast Asia. Keep in mind that there are 44 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from United States to Southeast Asia?

Singapore Airlines, Air India, and China Eastern are the most popular carriers operating from United States to Southeast Asia

How long is the flight from United States to Southeast Asia?

If you’re flying from a popular airport in United States, such as San Francisco or Los Angeles, and flying into Southeast Asia, then you can expect flight times to average 12h and 12h 55m, respectively.

How many flights depart from United States to Southeast Asia on average per week?

The number of flights available between United States and Southeast Asia is 38 per week as of July 2025. The most frequent departure day is Wed, with 18% of weekly flights leaving on this day.

How many flights depart from United States to Southeast Asia on average per day?

As of July 2025, 5 flights take off from United States and land in Southeast Asia each day. The most common flight departure time for this route is 11:00PM, with 53% of daily flights taking off in the evening.

When did momondo last update prices for flights from United States to Southeast Asia?

Prices for flights from United States to Southeast Asia are refreshed on a daily basis.

How many operators does momondo search for flights from United States to Southeast Asia?

As of July 2025, there are 42 operators available to choose from for flights from United States to Southeast Asia.

How old do you have to be to fly from United States to Southeast Asia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States to Southeast Asia.

What documentation or ID do you need to fly to Southeast Asia?

The travel and health documents you'll need for your trip to Southeast Asia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$283 Cheap Flights from the United States to Southeast Asia in 2025

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Find the cheapest flights from the United States to Southeast Asia

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from the United States to Southeast Asia

8:45 am - 6:45 pmSEA-BKK

43h 00m1 stop

3:40 pm - 7:10 amBKK-SEA

30h 30m1 stop

$512Singapore Airlines

Find Deal

Sun, Jan 18 - Fri, Jan 30

8:45 am - 5:00 pmSEA-BKK

41h 15m1 stop

3:40 pm - 7:10 amBKK-SEA

30h 30m1 stop

$514Singapore Airlines

Find Deal

Sun, Jan 18 - Wed, Jan 28

8:45 am - 8:00 pmSEA-BKK

20h 15m1 stop

6:05 pm - 7:10 amBKK-SEA

28h 05m1 stop

$515Singapore Airlines

Find Deal

Sun, Jan 18 - Wed, Jan 28

4:25 pm - 9:35 amLAX-MNL

26h 10m1 stop

3:15 am - 1:20 pmMNL-LAX

25h 05m1 stop

$642China Airlines

Find Deal

Fri, Oct 17 - Thu, Oct 30

12:50 pm - 11:25 pmSEA-BKK

20h 35m1 stop

2:35 am - 10:40 amBKK-SEA

22h 05m1 stop

$656Korean Air

Find Deal

Mon, Sep 1 - Tue, Sep 16

12:50 pm - 1:05 amSEA-BKK

22h 15m1 stop

2:35 am - 10:40 amBKK-SEA

22h 05m1 stop

$665Korean Air

Find Deal

Wed, Sep 10 - Sun, Sep 21

6:00 am - 11:55 pmDFW-BKK

29h 55m2 stops

7:00 am - 9:59 pmBKK-DFW

26h 59m2 stops

$680United Airlines

Find Deal

Mon, Aug 18 - Wed, Sep 3

6:00 am - 11:55 pmEWR-BKK

30h 55m2 stops

9:35 am - 5:55 pmBKK-EWR

43h 20m1 stop

$686United Airlines

Find Deal

Wed, Aug 27 - Wed, Sep 3

10:55 pm - 10:00 amDFW-BKK

23h 05m1 stop

11:00 am - 5:55 pmBKK-DFW

18h 55m1 stop

$696Cathay Pacific

Find Deal

Thu, Sep 4 - Tue, Sep 23

10:55 pm - 11:05 amDFW-BKK

24h 10m1 stop

11:00 am - 5:55 pmBKK-DFW

18h 55m1 stop

$698Cathay Pacific

Find Deal

Thu, Aug 14 - Thu, Sep 11

Korean Air flights from United States to Southeast Asia

Our best Korean Air deals on United States to Southeast Asia flight tickets

Korean Air

Sep 1

SEA12:50 pmSeattle/Tacoma Intl

20h 35m

1 stop

BKK11:25 pmBangkok Suvarnabhumi

Sep 16

BKK2:35 amBangkok Suvarnabhumi

22h 05m

1 stop

SEA10:40 amSeattle/Tacoma Intl

$656

Find similar

Korean Air

Aug 13

SEA1:20 pmSeattle/Tacoma Intl

18h 25m

1 stop

BKK9:45 pmBangkok Suvarnabhumi

Sep 1

BKK9:40 pmBangkok Suvarnabhumi

27h 00m

1 stop

SEA10:40 amSeattle/Tacoma Intl

$665

Find similar

Korean Air

Oct 30

SEA12:00 pmSeattle/Tacoma Intl

21h 20m

1 stop

BKK11:20 pmBangkok Suvarnabhumi

Nov 11

BKK9:30 pmBangkok Suvarnabhumi

26h 30m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$672

Find similar

Singapore Airlines flights from United States to Southeast Asia

Our best Singapore Airlines deals on United States to Southeast Asia flight tickets

Singapore Airlines

Jan 18

SEA8:45 amSeattle/Tacoma Intl

43h 00m

1 stop

BKK6:45 pmBangkok Suvarnabhumi

Jan 30

BKK3:40 pmBangkok Suvarnabhumi

30h 30m

1 stop

SEA7:10 amSeattle/Tacoma Intl

$512

Find similar

Singapore Airlines

Jan 18

SEA8:45 amSeattle/Tacoma Intl

41h 15m

1 stop

BKK5:00 pmBangkok Suvarnabhumi

Jan 28

BKK3:40 pmBangkok Suvarnabhumi

30h 30m

1 stop

SEA7:10 amSeattle/Tacoma Intl

$514

Find similar

Singapore Airlines

Jan 18

SEA8:45 amSeattle/Tacoma Intl

20h 15m

1 stop

BKK8:00 pmBangkok Suvarnabhumi

Jan 28

BKK6:05 pmBangkok Suvarnabhumi

28h 05m

1 stop

SEA7:10 amSeattle/Tacoma Intl

$515

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from the United States to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 1/18

8:45 am-6:45 pm

1 stop43h 00m

Bangkok Suvarnabhumi

Fri 1/30

3:40 pm-7:10 am

1 stop30h 30m

$512

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 1/18

8:45 am-5:00 pm

1 stop41h 15m

Bangkok Suvarnabhumi

Wed 1/28

3:40 pm-7:10 am

1 stop30h 30m

$514

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 1/18

8:45 am-8:00 pm

1 stop20h 15m

Bangkok Suvarnabhumi

Wed 1/28

6:05 pm-7:10 am

1 stop28h 05m

$515

Los AngelesManila

LAX - MNL

LAXMNL

Los Angeles

Fri 10/17

4:25 pm-9:35 am

1 stop26h 10m

Manila Ninoy Aquino Intl

Thu 10/30

3:15 am-1:20 pm

1 stop25h 05m

$642

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 9/1

12:50 pm-11:25 pm

1 stop20h 35m

Bangkok Suvarnabhumi

Tue 9/16

2:35 am-10:40 am

1 stop22h 05m

$656

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Wed 9/10

12:50 pm-1:05 am

1 stop22h 15m

Bangkok Suvarnabhumi

Sun 9/21

2:35 am-10:40 am

1 stop22h 05m

$665

DallasBangkok

DFW - BKK

DFWBKK

Dallas/Fort Worth

Mon 8/18

6:00 am-11:55 pm

2 stops29h 55m

Bangkok Suvarnabhumi

Wed 9/3

7:00 am-9:59 pm

2 stops26h 59m

$680

NewarkBangkok

EWR - BKK

EWRBKK

Newark

Wed 8/27

6:00 am-11:55 pm

2 stops30h 55m

Bangkok Suvarnabhumi

Wed 9/3

9:35 am-5:55 pm

1 stop43h 20m

$686

DallasBangkok

DFW - BKK

DFWBKK

Dallas/Fort Worth

Thu 9/4

10:55 pm-10:00 am

1 stop23h 05m

Bangkok Suvarnabhumi

Tue 9/23

11:00 am-5:55 pm

1 stop18h 55m

$696

DallasBangkok

DFW - BKK

DFWBKK

Dallas/Fort Worth

Thu 8/14

10:55 pm-11:05 am

1 stop24h 10m

Bangkok Suvarnabhumi

Thu 9/11

11:00 am-5:55 pm

1 stop18h 55m

$698

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from United States to Southeast Asia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Southeast Asia?

The month of September is, on average, the cheapest month to fly to Southeast Asia from United States, with most prices found around $909. If you don’t want to visit Southeast Asia in September, then you should wait until October to fly from United States, when ticket prices are also cheap, with an average price of $931.

What is the cheapest day to depart on your flight to Southeast Asia?

The cheapest day to depart from United States to Southeast Asia is on a Thursday when prices can be found for as low as $741. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $936. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

What is the cheapest time of day to depart on your flight to Southeast Asia?

In the evening is the cheapest time of day to fly from United States to Southeast Asia when you can find flight prices for as low as $741. Flying to Southeast Asia in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $922. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest United States to Southeast Asia flight route?

Fly from San Francisco to Singapore Changi for the best United States - Southeast Asia flight prices

How far in advance should I book a flight to Southeast Asia?

You are more likely to see cheaper flights to Southeast Asia from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $1,066 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from United States for as low as $970 on momondo.

What cabin class options are available on United States to Southeast Asia flights?

There are 4 cabin classes available to choose from on United States to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Southeast Asia flights?

You could potentially save up to 20% on your flight if you consider stops on a United States to Southeast Asia flight.

Cheap United States to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Southeast Asia

Best Price Found	$283
Fastest flight time	14h 35m
Direct flights	Every day
Airports in Southeast Asia	3 airports

The best one-way flight to Southeast Asia from United States in the past 72 hours is $283. The best round-trip flight deal from United States to Southeast Asia found on momondo in the last 72 hours is $512.

The fastest flight from United States to Southeast Asia takes 14h 35m

Direct flights go from United States to Southeast Asia every day.

There are 3 airports near Southeast Asia: Bangkok Suvarnabhumi (BKK), Manila Ninoy Aquino Intl (MNL), Ho Chi Minh City (SGN)

Search flight deals

When did momondo last update prices for flights from United States to Southeast Asia?
Prices for flights from United States to Southeast Asia are refreshed on a daily basis.
How many operators does momondo search for flights from United States to Southeast Asia?
As of July 2025, there are 42 operators available to choose from for flights from United States to Southeast Asia.
How old do you have to be to fly from United States to Southeast Asia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States to Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
The travel and health documents you'll need for your trip to Southeast Asia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to Southeast Asia?
momondo data reveals that the most frequently booked plane model on the route from United States to Southeast Asia is Boeing 787-9 Dreamliner, representing 13.24% of all bookings. The subsequent popular models are Boeing 777-300ER at 7.77%, Boeing 777-200/200ER at 7.50%, and Airbus A321neo at 6.15%.

Best airlines flying from United States to Southeast Asia

Compare and see reviews for airlines that fly from United States to Southeast Asia with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $77	Free Cancellation	Rating 6.3 8,049 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $110	Free Cancellation	Rating 5.9 3,239 reviews	Search Frontier flights
Sichuan Airlines	PriceFrom $410	Free Cancellation	Rating 8.0 14 reviews	Search Sichuan Airlines flights
SAUDIA	PriceFrom $479	Free Cancellation	Rating 7.4 627 reviews	Search SAUDIA flights
Condor	PriceFrom $530	Free Cancellation	Rating 6.3 353 reviews	Search Condor flights
Air China	PriceFrom $533	Free Cancellation	Rating 7.3 93 reviews	Search Air China flights
IndiGo	PriceFrom $559	Free Cancellation	Rating 6.8 478 reviews	Search IndiGo flights
AIR PREMIA	PriceFrom $606	Free Cancellation	Rating 8.2 59 reviews	Search AIR PREMIA flights
ZIPAIR	PriceFrom $687	Free Cancellation	Rating 7.5 48 reviews	Search ZIPAIR flights
Alaska Airlines	PriceFrom $861	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Southeast Asia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Southeast Asia from United States.

Can I find flights from United States to Southeast Asia with flexible booking policies on momondo?

Yes. All flights to Southeast Asia from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from United States to Southeast Asia?

Once you have performed a search for United States to Southeast Asia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from United States to Southeast Asia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from United States to Southeast Asia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southeast Asia and let you know when they change.

An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

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Find better results for your trip to Southeast Asia

Popular cities in Southeast Asia

Flights to New Yorkfrom $39

Flights to Londonfrom $283

Flights to Bangkokfrom $515

Flights to Tokyofrom $493

Flights to Los Angelesfrom $37

Flights to Parisfrom $255

Flights to Copenhagenfrom $268

Flights to Istanbulfrom $435

Flights to Manilafrom $523

Flights to Miamifrom $58

Flights to Romefrom $178

Flights to Chicagofrom $59

Cheap flights from the United States to Southeast Asia from $283

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United States to Southeast Asia

Recent round-trip flight deals from the United States to Southeast Asia

Recent one-way flight deals from the United States to Southeast Asia

Recent last minute flight deals from the United States to Southeast Asia

Recent direct flight deals from the United States to Southeast Asia

Korean Air flights from United States to Southeast Asia

Our best Korean Air deals on United States to Southeast Asia flight tickets

Singapore Airlines flights from United States to Southeast Asia

Our best Singapore Airlines deals on United States to Southeast Asia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from the United States to Southeast Asia that are best for you.

See travel insights to Southeast Asia from

How to get the cheapest flight ticket from United States to Southeast Asia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Southeast Asia?

What is the cheapest day to depart on your flight to Southeast Asia?

What is the cheapest time of day to depart on your flight to Southeast Asia?

What is the cheapest United States to Southeast Asia flight route?

Fly from San Francisco to Singapore Changi for the best United States - Southeast Asia flight prices

How far in advance should I book a flight to Southeast Asia?

What cabin class options are available on United States to Southeast Asia flights?

There are 4 cabin classes available to choose from on United States to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Southeast Asia flights?

You could potentially save up to 20% on your flight if you consider stops on a United States to Southeast Asia flight.

What is the cheapest airline that flies from United States to Southeast Asia?

Singapore Airlines, Air India, and China Eastern are the most popular carriers operating from United States to Southeast Asia

What airlines fly to Southeast Asia?

How many flights depart from United States to Southeast Asia on average per day?

As of July 2025, 5 flights take off from United States and land in Southeast Asia each day. The most common flight departure time for this route is 11:00PM, with 53% of daily flights taking off in the evening.

How many flights depart from United States to Southeast Asia on average per week?

The number of flights available between United States and Southeast Asia is 38 per week as of July 2025. The most frequent departure day is Wed, with 18% of weekly flights leaving on this day.

How long is the flight from United States to Southeast Asia?

If you’re flying from a popular airport in United States, such as San Francisco or Los Angeles, and flying into Southeast Asia, then you can expect flight times to average 12h and 12h 55m, respectively.

Cheap United States to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Southeast Asia

Best Price Found

Fastest flight time

Direct flights

Airports in Southeast Asia

When did momondo last update prices for flights from United States to Southeast Asia?

How many operators does momondo search for flights from United States to Southeast Asia?

How old do you have to be to fly from United States to Southeast Asia?

What documentation or ID do you need to fly to Southeast Asia?

What is the most popular plane model from United States to Southeast Asia?

Best airlines flying from United States to Southeast Asia

Compare and see reviews for airlines that fly from United States to Southeast Asia with momondo

Why use momondo?

Why should I use momondo to find a flight deal from United States to Southeast Asia?

Can I find flights from United States to Southeast Asia with flexible booking policies on momondo?

How can momondo help me find flights from United States to Southeast Asia?

I’m not ready to book a flight from United States to Southeast Asia right now. Can momondo alert me if prices change?

An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Southeast Asia

Popular cities in Southeast Asia

Popular flights according to clicks in the last 7 days on momondo