Which airlines fly to Southeast Asia?

Philippine Airlines, Cathay Pacific and China Airlines 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 57% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 4 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?

Philippine Airlines, Korean Air, and Asiana Airlines are the most popular carriers operating from United States to Southeast Asia

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

49 flights are operational weekly from United States to Southeast Asia as of August 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

7 flights are operational daily from United States to Southeast Asia as of August 2025. The most popular departure time for this route is 23:00, with 54% of flights per day 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 were last updated today.

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 required travel and health documents for your Southeast Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southeast Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

₹ 17,556 Cheap Flights from the United States to Southeast Asia in 2025

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Recent return flight deals from the United States to Southeast Asia

12:50 - 13:15SFO-BKK

34h 25m1 stop

02:35 - 10:40BKK-SFO

22h 05m1 stop

₹ 57,997Korean Air

Find Deal

Mon, 15 Sep - Wed, 1 Oct

12:50 - 01:05SFO-BKK

22h 15m1 stop

01:00 - 09:30BKK-SFO

23h 30m1 stop

₹ 58,346Korean Air

Find Deal

Tue, 21 Oct - Tue, 4 Nov

15:30 - 13:15SFO-BKK

30h 45m2 stops

09:40 - 09:30BKK-SFO

38h 50m1 stop

₹ 58,434Korean Air

Find Deal

Mon, 3 Nov - Mon, 10 Nov

11:40 - 21:30SFO-BKK

42h 50m1 stop

23:15 - 09:30BKK-SFO

25h 15m1 stop

₹ 58,521Korean Air

Find Deal

Mon, 3 Nov - Mon, 10 Nov

23:55 - 22:45SFO-BKK

32h 50m1 stop

13:20 - 19:30BKK-SFO

21h 10m1 stop

₹ 59,657Philippine Airlines

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Sat, 25 Oct - Mon, 3 Nov

19:25 - 04:35DFW-BKK

45h 10m2 stops

07:00 - 00:19BKK-DFW

29h 19m2 stops

₹ 59,744United Airlines

Find Deal

Sun, 14 Sep - Mon, 29 Sep

17:20 - 04:35DFW-BKK

47h 15m2 stops

07:00 - 00:19BKK-DFW

29h 19m2 stops

₹ 59,831United Airlines

Find Deal

Wed, 24 Sep - Thu, 9 Oct

22:55 - 11:30DFW-BKK

24h 35m1 stop

17:40 - 18:00BKK-DFW

36h 20m1 stop

₹ 60,093Cathay Pacific

Find Deal

Tue, 23 Sep - Wed, 29 Oct

01:05 - 11:05SFO-BKK

20h 00m1 stop

15:00 - 17:30BKK-SFO

16h 30m1 stop

₹ 62,976Cathay Pacific

Find Deal

Sun, 14 Sep - Thu, 2 Oct

01:20 - 12:35JFK-SIN

23h 15m1 stop

02:00 - 20:40SIN-JFK

30h 40m1 stop

₹ 84,899China Airlines

Find Deal

Sun, 7 Sep - Wed, 1 Oct

Korean Air flights from United States to Southeast Asia

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

Korean Air

15 Sept

SFO12:50San Francisco

34h 25m

1 stop

BKK13:15Bangkok Suvarnabhumi

1 Oct

BKK02:35Bangkok Suvarnabhumi

22h 05m

1 stop

SFO10:40San Francisco

₹ 57,997

Find similar

Korean Air

1 Sept

SFO12:50San Francisco

20h 35m

1 stop

BKK23:25Bangkok Suvarnabhumi

21 Sept

BKK02:35Bangkok Suvarnabhumi

22h 05m

1 stop

SFO10:40San Francisco

₹ 58,346

Find similar

Korean Air

3 Nov

SFO15:30San Francisco

30h 45m

2 stops

BKK13:15Bangkok Suvarnabhumi

10 Nov

BKK09:40Bangkok Suvarnabhumi

38h 50m

1 stop

SFO09:30San Francisco

₹ 58,434

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Qatar Airways flights from United States to Southeast Asia

Our best Qatar Airways deals on United States to Southeast Asia flight tickets

Qatar Airways

31 Aug

JFK01:20New York John F Kennedy Intl

26h 25m

1 stop

SIN15:45Singapore Changi

21 Sept

SIN03:10Singapore Changi

24h 00m

1 stop

JFK15:10New York John F Kennedy Intl

₹ 95,730

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Qatar Airways

3 Sept

JFK11:20New York John F Kennedy Intl

24h 50m

2 stops

SIN00:10Singapore Changi

12 Sept

SIN10:30Singapore Changi

40h 40m

1 stop

JFK15:10New York John F Kennedy Intl

₹ 102,194

Find similar

Qatar Airways

3 Sept

JFK11:20New York John F Kennedy Intl

24h 50m

2 stops

SIN00:10Singapore Changi

12 Sept

SIN10:30Singapore Changi

24h 00m

1 stop

JFK22:30New York John F Kennedy Intl

₹ 102,805

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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

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Mon 15/9

12:50-13:15

1 stop34h 25m

Bangkok Suvarnabhumi

Wed 1/10

02:35-10:40

1 stop22h 05m

₹ 57,997

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Tue 21/10

12:50-01:05

1 stop22h 15m

Bangkok Suvarnabhumi

Tue 4/11

01:00-09:30

1 stop23h 30m

₹ 58,346

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Mon 3/11

15:30-13:15

2 stops30h 45m

Bangkok Suvarnabhumi

Mon 10/11

09:40-09:30

1 stop38h 50m

₹ 58,434

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Mon 3/11

11:40-21:30

1 stop42h 50m

Bangkok Suvarnabhumi

Mon 10/11

23:15-09:30

1 stop25h 15m

₹ 58,521

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Sat 25/10

23:55-22:45

1 stop32h 50m

Bangkok Suvarnabhumi

Mon 3/11

13:20-19:30

1 stop21h 10m

₹ 59,657

DallasBangkok

DFW - BKK

DFWBKK

Dallas/Fort Worth

Sun 14/9

19:25-04:35

2 stops45h 10m

Bangkok Suvarnabhumi

Mon 29/9

07:00-00:19

2 stops29h 19m

₹ 59,744

DallasBangkok

DFW - BKK

DFWBKK

Dallas/Fort Worth

Wed 24/9

17:20-04:35

2 stops47h 15m

Bangkok Suvarnabhumi

Thu 9/10

07:00-00:19

2 stops29h 19m

₹ 59,831

DallasBangkok

DFW - BKK

DFWBKK

Dallas/Fort Worth

Tue 23/9

22:55-11:30

1 stop24h 35m

Bangkok Suvarnabhumi

Wed 29/10

17:40-18:00

1 stop36h 20m

₹ 60,093

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Sun 14/9

01:05-11:05

1 stop20h 00m

Bangkok Suvarnabhumi

Thu 2/10

15:00-17:30

1 stop16h 30m

₹ 62,976

New YorkSingapore

JFK - SIN

JFKSIN

New York John F Kennedy Intl

Sun 7/9

01:20-12:35

1 stop23h 15m

Singapore Changi

Wed 1/10

02:00-20:40

1 stop30h 40m

₹ 84,899

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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?

In general, September is the cheapest month to fly from United States to Southeast Asia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 76,689. If you aren’t able to travel during the month of September, then book flights to Southeast Asia from United States during August instead. Flights to Southeast Asia in August, while not as cheap as those in September, still average around ₹ 78,872.

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 Friday. Travellers who choose to depart for Southeast Asia on a Friday will often find tickets for as low as ₹ 51,652. The most expensive day to fly to Southeast Asia is Sunday, with ticket prices averaging around ₹ 115,776.

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

According to our data, the cheapest time of day to fly to Southeast Asia is in the evening. momondo users have found flights departing from United States to Southeast Asia in the evening for as low as ₹ 92,766. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are ₹ 119,652 on average. Flights to Southeast Asia from United States in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 ₹ 90,955 when searching weeks before you fly. 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 ₹ 84,288 on momondo.

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

There are 3 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?

No. A direct flight is the cheapest option for a flight between United States to Southeast Asia.

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

Fastest flight time	18h 55m
Direct flights	Every day
Airports in Southeast Asia	1 airport

The fastest flight from United States to Southeast Asia takes 18h 55m

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

There is 1 airport near Southeast Asia: Singapore Changi (SIN)

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 were last updated today.
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 required travel and health documents for your Southeast Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southeast Asia. We recommend that you seek guidance from your airline or a reliable 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 12.31% of all bookings. The subsequent popular models are Boeing 777-300ER at 7.25%, Airbus A320neo at 6.64%, and Boeing 777-200/200ER at 6.61%.

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
United Airlines	PriceFrom ₹ 59,893	Free Cancellation	Rating 7.4 8,937 reviews	Search United Airlines flights
China Airlines	PriceFrom ₹ 61,113	Free Cancellation	Rating 8.3 765 reviews	Search China Airlines flights
Philippine Airlines	PriceFrom ₹ 64,610	Free Cancellation	Rating 7.2 905 reviews	Search Philippine Airlines flights
Cathay Pacific	PriceFrom ₹ 65,051	Free Cancellation	Rating 7.6 975 reviews	Search Cathay Pacific flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to Southeast Asia for you.

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

momondo does allow users to show only those flights to Southeast Asia from United States which offer a flexible booking policy as well as other useful filters and features.

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, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Find better results for your trip to Southeast Asia

Popular Cities in Southeast Asia

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Flights to Dubaifrom ₹ 12,228

Cheap flights from the United States to Southeast Asia from ₹ 17,556

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from the United States to Southeast Asia

Recent return 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

Qatar Airways flights from United States to Southeast Asia

Our best Qatar Airways 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 3 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?

No. A direct flight is the cheapest option for a flight between United States to Southeast Asia.

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

Philippine Airlines, Korean Air, and Asiana Airlines are the most popular carriers operating from United States to Southeast Asia

Which airlines fly to Southeast Asia?

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

7 flights are operational daily from United States to Southeast Asia as of August 2025. The most popular departure time for this route is 23:00, with 54% of flights per day taking off in the evening.

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

49 flights are operational weekly from United States to Southeast Asia as of August 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

Fastest flight time

Direct flights

Airports in Southeast Asia

When did momondo last update prices 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, organise 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