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

Gulf Air, China Eastern, and AIR PREMIA are the most popular carriers operating from United States to Southeast Asia

Which airlines fly to Southeast Asia?

Philippine Airlines, United Airlines 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 57% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 7 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 week?

49 flights are operational weekly from United States to Southeast Asia as of May 2026. 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 May 2026. The most popular departure time for this route is 23:00, with 41% 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.

₹ 37,692 Cheap Flights from the United States to Southeast Asia in 2026

1 adult

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Find the cheapest flights from the United States to Southeast Asia

Round-trip

One-way

Last minute

Direct

Recent return flight deals from the United States to Southeast Asia

Enter your travel dates to find the best prices.

12:00 - 21:55

SFO

BKK

19h 55m

1 stop

05:05 - 09:05

BKK

SFO

18h 00m

1 stop

₹ 81,475China Eastern

Thu, 3 Sep - Sat, 12 Sep

12:00 - 21:55

SFO

BKK

19h 55m

1 stop

20:50 - 09:05

BKK

SFO

50h 15m

2 stops

₹ 82,141China Eastern

Thu, 3 Sep - Thu, 10 Sep

12:00 - 22:15

SFO

BKK

44h 15m

3 stops

02:10 - 09:05

BKK

SFO

20h 55m

1 stop

₹ 82,236China Eastern

Thu, 3 Sep - Fri, 11 Sep

12:00 - 21:55

SFO

BKK

19h 55m

1 stop

21:55 - 09:05

BKK

SFO

25h 10m

1 stop

₹ 82,903China Eastern

Sat, 3 Oct - Sun, 18 Oct

23:20 - 23:20

SFO

BKK

34h 00m

1 stop

01:20 - 15:30

BKK

SFO

28h 10m

1 stop

₹ 86,710Asiana Airlines

Mon, 31 Aug - Wed, 2 Sep

01:40 - 06:00

SFO

KUL

37h 20m

1 stop

14:15 - 09:35

KUL

SFO

34h 20m

1 stop

₹ 90,707United Airlines

Tue, 18 Aug - Tue, 6 Oct

07:00 - 06:00

SFO

KUL

32h 00m

2 stops

14:15 - 09:35

KUL

SFO

34h 20m

1 stop

₹ 91,183United Airlines

Wed, 19 Aug - Tue, 6 Oct

14:55 - 00:45

JFK

SIN

21h 50m

1 stop

01:25 - 12:00

SIN

JFK

23h 35m

1 stop

₹ 118,596Cathay Pacific

Mon, 3 Aug - Mon, 18 Jan

14:55 - 05:30

JFK

SIN

26h 35m

1 stop

01:25 - 12:00

SIN

JFK

23h 35m

1 stop

₹ 119,643Cathay Pacific

Thu, 30 Jul - Thu, 21 Jan

19:30 - 00:35

SAN

SIN

38h 05m

2 stops

13:45 - 18:55

SIN

SAN

44h 10m

2 stops

₹ 146,864China Airlines

Mon, 19 Oct - Thu, 22 Oct

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China Eastern flights from United States to Southeast Asia

Our best China Eastern deals on United States to Southeast Asia flight tickets

China Eastern

3 Sept

SFO12:00San Francisco

19h 55m

1 stop

BKK21:55Bangkok Suvarnabhumi

12 Sept

BKK05:05Bangkok Suvarnabhumi

18h 00m

1 stop

SFO09:05San Francisco

₹ 81,475

China Eastern

3 Sept

SFO12:00San Francisco

19h 55m

1 stop

BKK21:55Bangkok Suvarnabhumi

10 Sept

BKK20:50Bangkok Suvarnabhumi

50h 15m

2 stops

SFO09:05San Francisco

₹ 82,141

China Eastern

3 Sept

SFO12:00San Francisco

34h 20m

2 stops

BKK12:20Bangkok Suvarnabhumi

11 Sept

BKK02:10Bangkok Suvarnabhumi

20h 55m

1 stop

SFO09:05San Francisco

₹ 82,236

Asiana Airlines flights from United States to Southeast Asia

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

Asiana Airlines

31 Aug

SFO23:20San Francisco

34h 00m

1 stop

BKK23:20Bangkok Suvarnabhumi

2 Sept

BKK01:20Bangkok Suvarnabhumi

28h 10m

1 stop

SFO15:30San Francisco

₹ 86,710

Asiana Airlines

31 Aug

SFO23:20San Francisco

34h 00m

1 stop

BKK23:20Bangkok Suvarnabhumi

6 Oct

BKK11:45Bangkok Suvarnabhumi

17h 45m

1 stop

SFO15:30San Francisco

₹ 89,565

Asiana Airlines

30 Oct

SFO23:50San Francisco

21h 25m

1 stop

BKK11:15Bangkok Suvarnabhumi

16 Nov

BKK12:20Bangkok Suvarnabhumi

16h 40m

1 stop

SFO14:00San Francisco

₹ 91,469

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

Cheapest return flight

Fastest return journey

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Thu 3/9

12:00-21:55

1 stop19h 55m

Bangkok Suvarnabhumi

Sat 12/9

05:05-09:05

1 stop18h 00m

₹ 81,475

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Thu 3/9

12:00-21:55

1 stop19h 55m

Bangkok Suvarnabhumi

Thu 10/9

20:50-09:05

2 stops50h 15m

₹ 82,141

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Thu 3/9

12:00-22:15

3 stops44h 15m

Bangkok Suvarnabhumi

Fri 11/9

02:10-09:05

1 stop20h 55m

₹ 82,236

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Sat 3/10

12:00-21:55

1 stop19h 55m

Bangkok Suvarnabhumi

Sun 18/10

21:55-09:05

1 stop25h 10m

₹ 82,903

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Mon 31/8

23:20-23:20

1 stop34h 00m

Bangkok Suvarnabhumi

Wed 2/9

01:20-15:30

1 stop28h 10m

₹ 86,710

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Tue 18/8

01:40-06:00

1 stop37h 20m

Kuala Lumpur Intl

Tue 6/10

14:15-09:35

1 stop34h 20m

₹ 90,707

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Wed 19/8

07:00-06:00

2 stops32h 00m

Kuala Lumpur Intl

Tue 6/10

14:15-09:35

1 stop34h 20m

₹ 91,183

New YorkSingapore

JFK - SIN

JFKSIN

New York John F Kennedy Intl

Mon 3/8

14:55-00:45

1 stop21h 50m

Singapore Changi

Mon 18/1

01:25-12:00

1 stop23h 35m

₹ 118,596

New YorkSingapore

JFK - SIN

JFKSIN

New York John F Kennedy Intl

Thu 30/7

14:55-05:30

1 stop26h 35m

Singapore Changi

Thu 21/1

01:25-12:00

1 stop23h 35m

₹ 119,643

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Mon 19/10

19:30-00:35

2 stops38h 05m

Singapore Changi

Thu 22/10

13:45-18:55

2 stops44h 10m

₹ 146,864

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 ₹ 81,094. If you aren’t able to travel during the month of September, then book flights to Southeast Asia from United States during November instead. Flights to Southeast Asia in November, while not as cheap as those in September, still average around ₹ 85,377.

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 from the United States 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 ₹ 91,802 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 ₹ 79,095 on momondo.

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	20h 15m
Direct flights	Every day
Airports in Southeast Asia	295 airports

The fastest flight from United States to Southeast Asia takes 20h 15m

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

There are 295 airports in Southeast Asia. From United States there are direct flights to Singapore Changi (SIN).

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Frequently asked questions about flying from the United States to Southeast Asia

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 A321neo, representing 12.87% of all bookings. The subsequent popular models are Airbus A320-100/200 at 12.82%, Boeing 787-9 Dreamliner at 10.99%, and Airbus A320neo at 8.73%.

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
China Southern	PriceFrom ₹ 47,237	Free Cancellation	Rating 7.4 151 reviews	Search China Southern flights
Singapore Airlines	PriceFrom ₹ 51,752	Free Cancellation	Rating 8.2 1,509 reviews	Search Singapore Airlines flights
Cathay Pacific	PriceFrom ₹ 55,742	Free Cancellation	Rating 7.6 1,313 reviews	Search Cathay Pacific flights
China Airlines	PriceFrom ₹ 62,040	Free Cancellation	Rating 8.3 820 reviews	Search China Airlines flights
Philippine Airlines	PriceFrom ₹ 62,384	Free Cancellation	Rating 7.3 994 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom ₹ 64,553	Free Cancellation	Rating 8.1 530 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom ₹ 65,867	Free Cancellation	Rating 7.4 9,684 reviews	Search United Airlines 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.