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

Vietnam Airlines, United Airlines, and Singapore 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 November 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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 58% 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.

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 November 2025. The most popular departure time for this route is 22:00, with 53% 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.

₹ 34,651 Cheap Flights from the United States to Southeast Asia in 2025/26

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Recent return flight deals from the United States to Southeast Asia

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23:50 - 11:15SFO-BKK

20h 25m1 stop

12:20 - 15:00BKK-SFO

16h 40m1 stop

₹ 61,415Asiana Airlines

Find Deal

Tue, 3 Mar - Tue, 17 Mar

23:50 - 11:15SFO-BKK

20h 25m1 stop

12:20 - 15:00BKK-SFO

16h 40m1 stop

₹ 62,036Asiana Airlines

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Mon, 9 Feb - Tue, 10 Mar

23:30 - 23:10SFO-BKK

33h 40m1 stop

01:20 - 15:00BKK-SFO

27h 40m1 stop

₹ 62,124Asiana Airlines

Find Deal

Thu, 23 Apr - Sat, 23 May

07:30 - 06:45BUR-KUL

31h 15m2 stops

20:30 - 14:51KUL-BUR

34h 21m2 stops

₹ 63,808United Airlines

Find Deal

Sun, 7 Dec - Wed, 17 Dec

07:30 - 06:45BUR-KUL

31h 15m2 stops

14:15 - 12:03KUL-BUR

37h 48m2 stops

₹ 63,897United Airlines

Find Deal

Sun, 7 Dec - Mon, 15 Dec

09:40 - 08:25SFO-BKK

31h 45m1 stop

20:00 - 07:50BKK-SFO

26h 50m1 stop

₹ 65,049Singapore Airlines

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Fri, 23 Jan - Wed, 11 Feb

23:40 - 16:45SFO-BKK

26h 05m1 stop

02:35 - 19:45BKK-SFO

31h 10m1 stop

₹ 67,087China Airlines

Find Deal

Tue, 3 Mar - Mon, 16 Mar

01:05 - 09:45SFO-BKK

18h 40m1 stop

02:40 - 19:55BKK-SFO

31h 15m1 stop

₹ 67,708China Airlines

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Sun, 26 Apr - Mon, 4 May

21:45 - 12:35SFO-KUL

22h 50m1 stop

17:50 - 16:05KUL-SFO

38h 15m1 stop

₹ 72,848Cathay Pacific

Find Deal

Thu, 27 Nov - Sun, 21 Dec

01:45 - 15:45JFK-SIN

25h 00m1 stop

01:25 - 12:00SIN-JFK

23h 35m1 stop

₹ 85,078Cathay Pacific

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Mon, 19 Jan - Sun, 25 Jan

Asiana Airlines flights from United States to Southeast Asia

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

Asiana Airlines

3 Mar

SFO23:50San Francisco

20h 25m

1 stop

BKK11:15Bangkok Suvarnabhumi

17 Mar

BKK12:20Bangkok Suvarnabhumi

16h 40m

1 stop

SFO15:00San Francisco

₹ 61,415

Find similar

Asiana Airlines

9 Feb

SFO23:50San Francisco

20h 25m

1 stop

BKK11:15Bangkok Suvarnabhumi

10 Mar

BKK12:20Bangkok Suvarnabhumi

16h 40m

1 stop

SFO15:00San Francisco

₹ 62,036

Find similar

Asiana Airlines

23 Apr

SFO23:30San Francisco

33h 40m

1 stop

BKK23:10Bangkok Suvarnabhumi

6 May

BKK01:20Bangkok Suvarnabhumi

27h 40m

1 stop

SFO15:00San Francisco

₹ 62,124

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Singapore Airlines flights from United States to Southeast Asia

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

Singapore Airlines

23 Jan

SFO09:40San Francisco

31h 45m

1 stop

BKK08:25Bangkok Suvarnabhumi

12 Feb

BKK21:10Bangkok Suvarnabhumi

25h 40m

1 stop

SFO07:50San Francisco

₹ 65,049

Find similar

Singapore Airlines

11 Nov

JFK20:15New York John F Kennedy Intl

21h 35m

1 stop

SIN06:50Singapore Changi

18 Nov

SIN12:10Singapore Changi

18h 15m

JFK17:25New York John F Kennedy Intl

₹ 125,933

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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

Tue 3/3

23:50-11:15

1 stop20h 25m

Bangkok Suvarnabhumi

Tue 17/3

12:20-15:00

1 stop16h 40m

₹ 61,415

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Mon 9/2

23:50-11:15

1 stop20h 25m

Bangkok Suvarnabhumi

Tue 10/3

12:20-15:00

1 stop16h 40m

₹ 62,036

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Thu 23/4

23:30-23:10

1 stop33h 40m

Bangkok Suvarnabhumi

Sat 23/5

01:20-15:00

1 stop27h 40m

₹ 62,124

BurbankKuala Lumpur

BUR - KUL

BURKUL

Burbank Bob Hope

Sun 7/12

07:30-06:45

2 stops31h 15m

Kuala Lumpur Intl

Wed 17/12

20:30-14:51

2 stops34h 21m

₹ 63,808

BurbankKuala Lumpur

BUR - KUL

BURKUL

Burbank Bob Hope

Sun 7/12

07:30-06:45

2 stops31h 15m

Kuala Lumpur Intl

Mon 15/12

14:15-12:03

2 stops37h 48m

₹ 63,897

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Fri 23/1

09:40-08:25

1 stop31h 45m

Bangkok Suvarnabhumi

Wed 11/2

20:00-07:50

1 stop26h 50m

₹ 65,049

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Tue 3/3

23:40-16:45

1 stop26h 05m

Bangkok Suvarnabhumi

Mon 16/3

02:35-19:45

1 stop31h 10m

₹ 67,087

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Sun 26/4

01:05-09:45

1 stop18h 40m

Bangkok Suvarnabhumi

Mon 4/5

02:40-19:55

1 stop31h 15m

₹ 67,708

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Thu 27/11

21:45-12:35

1 stop22h 50m

Kuala Lumpur Intl

Sun 21/12

17:50-16:05

1 stop38h 15m

₹ 72,848

New YorkSingapore

JFK - SIN

JFKSIN

New York John F Kennedy Intl

Mon 19/1

01:45-15:45

1 stop25h 00m

Singapore Changi

Sun 25/1

01:25-12:00

1 stop23h 35m

₹ 85,078

Flights are sorted by cheapest return 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?

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 ₹ 71,962. If you aren’t able to travel during the month of September, then book flights to Southeast Asia from United States during October instead. Flights to Southeast Asia in October, while not as cheap as those in September, still average around ₹ 76,304.

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 ₹ 52,408. The most expensive day to fly to Southeast Asia is Sunday, with ticket prices averaging around ₹ 117,470.

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 ₹ 94,123. 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 ₹ 121,402 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 Los Angeles to Manila Ninoy Aquino Intl 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 ₹ 89,177 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 ₹ 81,356 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 Airbus A320-100/200, representing 10.70% of all bookings. The subsequent popular models are Airbus A321neo at 10.27%, Boeing 787-9 Dreamliner at 8.99%, and Airbus A320neo at 8.95%.

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 ₹ 60,769	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
China Airlines	PriceFrom ₹ 62,007	Free Cancellation	Rating 8.3 778 reviews	Search China Airlines flights
Philippine Airlines	PriceFrom ₹ 65,555	Free Cancellation	Rating 7.3 932 reviews	Search Philippine Airlines flights
Cathay Pacific	PriceFrom ₹ 66,003	Free Cancellation	Rating 7.6 1,055 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

Flights to New Delhifrom ₹ 4,431

Flights to Mumbaifrom ₹ 3,279

Flights to Bengalurufrom ₹ 4,343

Flights to Kolkatafrom ₹ 5,406

Flights to Hyderabadfrom ₹ 4,786

Flights to Londonfrom ₹ 39,083

Flights to Bangkokfrom ₹ 12,939

Flights to Ahmedabadfrom ₹ 5,140

Flights to Chennaifrom ₹ 3,722

Flights to Punefrom ₹ 4,697

Flights to Vasco da Gamafrom ₹ 5,051

Flights to Dubaifrom ₹ 17,459

United States flight routes

Flights from New York John F Kennedy Intl to New Delhi Indira Gandhi Intl

Flights from New York John F Kennedy Intl to Mumbai Chhatrapati Shivaji Intl

Flights from Chicago O'Hare Intl to New Delhi Indira Gandhi Intl

Flights from Newark to Mumbai Chhatrapati Shivaji Intl

Flights from San Francisco to Mumbai Chhatrapati Shivaji Intl

Flights from San Francisco to Kolkata Netaji S. Chandra

Cheap flights from the United States to Southeast Asia from ₹ 34,651

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Big names, great deals

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Filter for what you want

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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

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Asiana Airlines flights from United States to Southeast Asia

Our best Asiana Airlines 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 Los Angeles to Manila Ninoy Aquino Intl 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?

Vietnam Airlines, United Airlines, and Singapore 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 November 2025. The most popular departure time for this route is 22:00, with 53% 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 November 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