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 June 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 June 2026. The most popular departure time for this route is 22:00, with 37% of flights per day taking off in the evening.

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

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

Which airlines fly to Southeast Asia?

Philippine Airlines, United Airlines and Asiana 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 7 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

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.

₹ 41,044 Cheap Flights from the United States to Southeast Asia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Southeast Asia

Return

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.

00:30 - 12:10

SFO

BKK

21h 40m

1 stop

23:40 - 21:10

BKK

SFO

35h 30m

1 stop

₹ 86,239Philippine Airlines

Fri, 9 Oct - Sun, 18 Oct

14:30 - 00:40

SFO

BKK

44h 10m

2 stops

15:55 - 10:00

BKK

SFO

56h 05m

2 stops

₹ 86,711China Eastern

Thu, 1 Oct - Sat, 31 Oct

12:00 - 21:55

SFO

BKK

19h 55m

1 stop

05:05 - 09:05

BKK

SFO

18h 00m

1 stop

₹ 86,899China Eastern

Thu, 3 Sep - Mon, 21 Sep

08:55 - 06:00

SFO

KUL

30h 05m

2 stops

14:15 - 09:35

KUL

SFO

34h 20m

1 stop

₹ 88,975United Airlines

Wed, 23 Sep - Wed, 30 Sep

10:05 - 06:45

SFO

KUL

28h 40m

2 stops

08:05 - 09:15

KUL

SFO

17h 10m

1 stop

₹ 89,164United Airlines

Tue, 10 Nov - Thu, 19 Nov

16:59 - 21:50

SFO

KUL

61h 51m

2 stops

23:20 - 10:40

KUL

SFO

26h 20m

1 stop

₹ 89,824Korean Air

Tue, 22 Sep - Wed, 21 Oct

23:50 - 13:45

SFO

BKK

47h 55m

2 stops

15:20 - 22:27

BKK

SFO

45h 07m

2 stops

₹ 90,013SAUDIA

Mon, 14 Sep - Mon, 28 Sep

13:10 - 21:50

SFO

KUL

41h 40m

1 stop

23:20 - 10:40

KUL

SFO

26h 20m

1 stop

₹ 90,485Korean Air

Mon, 10 Aug - Tue, 13 Oct

06:00 - 23:35

OAK

BKK

27h 35m

2 stops

09:50 - 23:59

BKK

OAK

28h 09m

2 stops

₹ 93,221Delta

Mon, 7 Sep - Wed, 23 Sep

17:00 - 23:35

OAK

BKK

40h 35m

2 stops

23:30 - 23:59

BKK

OAK

38h 29m

2 stops

₹ 93,693Delta

Sun, 6 Sep - Sun, 13 Sep

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SAUDIA flights from United States to Southeast Asia

Our best SAUDIA deals on United States to Southeast Asia flight tickets

SAUDIA

14 Sept

SFO23:50San Francisco

47h 55m

2 stops

BKK13:45Bangkok Suvarnabhumi

28 Sept

BKK15:20Bangkok Suvarnabhumi

45h 07m

2 stops

SFO22:27San Francisco

₹ 90,013

SAUDIA

14 Sept

SFO23:50San Francisco

47h 55m

2 stops

BKK13:45Bangkok Suvarnabhumi

28 Sept

BKK15:20Bangkok Suvarnabhumi

45h 07m

2 stops

SFO22:27San Francisco

₹ 90,107

Japan Airlines flights from United States to Southeast Asia

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

Japan Airlines

1 Jul

SFO13:35San Francisco

49h 05m

2 stops

BKK04:40Bangkok Suvarnabhumi

12 Jul

BKK21:40Bangkok Suvarnabhumi

26h 25m

1 stop

SFO10:05San Francisco

₹ 95,014

Japan Airlines

1 Jul

SFO13:35San Francisco

49h 05m

2 stops

BKK04:40Bangkok Suvarnabhumi

8 Jul

BKK00:30Bangkok Suvarnabhumi

35h 44m

2 stops

SFO22:14San Francisco

₹ 95,108

Japan Airlines

6 Jul

SFO10:09San Francisco

28h 31m

2 stops

BKK04:40Bangkok Suvarnabhumi

13 Jul

BKK07:55Bangkok Suvarnabhumi

21h 39m

2 stops

SFO15:34San Francisco

₹ 95,202

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

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Fri 9/10

00:30-12:10

1 stop21h 40m

Bangkok Suvarnabhumi

Sun 18/10

23:40-21:10

1 stop35h 30m

₹ 86,239

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Thu 1/10

14:30-00:40

2 stops44h 10m

Bangkok Suvarnabhumi

Sat 31/10

15:55-10:00

2 stops56h 05m

₹ 86,711

Fastest return journey

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Thu 3/9

12:00-21:55

1 stop19h 55m

Bangkok Suvarnabhumi

Mon 21/9

05:05-09:05

1 stop18h 00m

₹ 86,899

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Wed 23/9

08:55-06:00

2 stops30h 05m

Kuala Lumpur Intl

Wed 30/9

14:15-09:35

1 stop34h 20m

₹ 88,975

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Tue 10/11

10:05-06:45

2 stops28h 40m

Kuala Lumpur Intl

Thu 19/11

08:05-09:15

1 stop17h 10m

₹ 89,164

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Tue 22/9

16:59-21:50

2 stops61h 51m

Kuala Lumpur Intl

Wed 21/10

23:20-10:40

1 stop26h 20m

₹ 89,824

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Mon 14/9

23:50-13:45

2 stops47h 55m

Bangkok Suvarnabhumi

Mon 28/9

15:20-22:27

2 stops45h 07m

₹ 90,013

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Mon 10/8

13:10-21:50

1 stop41h 40m

Kuala Lumpur Intl

Tue 13/10

23:20-10:40

1 stop26h 20m

₹ 90,485

OaklandBangkok

OAK - BKK

OAKBKK

Oakland

Mon 7/9

06:00-23:35

2 stops27h 35m

Bangkok Suvarnabhumi

Wed 23/9

09:50-23:59

2 stops28h 09m

₹ 93,221

OaklandBangkok

OAK - BKK

OAKBKK

Oakland

Sun 6/9

17:00-23:35

2 stops40h 35m

Bangkok Suvarnabhumi

Sun 13/9

23:30-23:59

2 stops38h 29m

₹ 93,693

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 ₹ 83,597. 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 ₹ 85,578.

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 ₹ 92,388 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 ₹ 77,653 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	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).

Search flight deals

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 A320-100/200, representing 13.59% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 10.81%, Airbus A321neo at 9.38%, and Airbus A320neo at 8.40%.

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 ₹ 46,827	Free Cancellation	Rating 7.5 154 reviews	Search China Southern flights
Singapore Airlines	PriceFrom ₹ 51,302	Free Cancellation	Rating 8.2 1,546 reviews	Search Singapore Airlines flights
Cathay Pacific	PriceFrom ₹ 55,257	Free Cancellation	Rating 7.6 1,386 reviews	Search Cathay Pacific flights
China Airlines	PriceFrom ₹ 61,500	Free Cancellation	Rating 8.3 829 reviews	Search China Airlines flights
Philippine Airlines	PriceFrom ₹ 61,841	Free Cancellation	Rating 7.3 1,002 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom ₹ 64,493	Free Cancellation	Rating 8.1 545 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom ₹ 70,985	Free Cancellation	Rating 7.4 9,863 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.