Cheap flights from the United States to Southeast Asia from ₹ 33,189

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Southeast Asia departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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

Enter your travel dates to find the best prices.
China Airlines Logo
01:05 - 12:10
SFO
-
BKK
21h 05m
1 stop
China Airlines Logo
13:20 - 19:55
BKK
-
SFO
20h 35m
1 stop
₹ 72,454China Airlines
Sun, 13 Sep - Mon, 5 Oct
China Airlines Logo
01:05 - 12:10
SFO
-
BKK
21h 05m
1 stop
China Airlines Logo
10:50 - 19:55
BKK
-
SFO
23h 05m
1 stop
₹ 73,015China Airlines
Sun, 3 May - Wed, 27 May
Korean Air Logo
12:40 - 23:35
SFO
-
BKK
20h 55m
1 stop
Korean Air Logo
21:40 - 10:40
BKK
-
SFO
27h 00m
1 stop
₹ 73,202Korean Air
Wed, 22 Apr - Wed, 27 May
Korean Air Logo
12:40 - 21:50
SFO
-
KUL
42h 10m
1 stop
Korean Air Logo
23:20 - 10:40
KUL
-
SFO
26h 20m
1 stop
₹ 73,295Korean Air
Mon, 20 Apr - Mon, 11 May
Multiple Airlines Logo
12:40 - 13:35
SFO
-
BKK
34h 55m
1 stop
Multiple Airlines Logo
01:20 - 10:40
BKK
-
SFO
23h 20m
1 stop
₹ 73,576Multiple Airlines
Wed, 29 Apr - Tue, 12 May
United Airlines Logo
01:10 - 06:00
SFO
-
KUL
37h 50m
1 stop
United Airlines Logo
18:30 - 21:15
KUL
-
SFO
18h 45m
1 stop
₹ 73,669United Airlines
Sun, 13 Sep - Wed, 4 Nov
United Airlines Logo
16:10 - 09:35
SFO
-
BKK
27h 25m
2 stops
United Airlines Logo
07:00 - 10:35
BKK
-
SFO
17h 35m
1 stop
₹ 73,856United Airlines
Tue, 21 Apr - Tue, 26 May
Multiple Airlines Logo
05:55 - 13:35
OAK
-
BKK
41h 40m
2 stops
Multiple Airlines Logo
09:50 - 23:57
BKK
-
OAK
28h 07m
2 stops
₹ 79,465Multiple Airlines
Tue, 5 May - Tue, 12 May
Asiana Airlines Logo
02:00 - 10:40
JFK
-
BKK
21h 40m
1 stop
Asiana Airlines Logo
11:45 - 23:00
BKK
-
JFK
22h 15m
1 stop
₹ 79,559Asiana Airlines
Mon, 31 Aug - Tue, 22 Sep
Asiana Airlines Logo
02:00 - 10:40
JFK
-
BKK
21h 40m
1 stop
Asiana Airlines Logo
01:20 - 23:00
BKK
-
JFK
32h 40m
1 stop
₹ 79,839Asiana Airlines
Mon, 31 Aug - Mon, 21 Sep

EVA Air flights from United States to Southeast Asia

Our best EVA Air deals on United States to Southeast Asia flight tickets
EVA Air
11 Aug
DFW22:50Dallas/Fort Worth
38h 30m
1 stop
BKK01:20Bangkok Suvarnabhumi
14 Sept
BKK01:35Bangkok Suvarnabhumi
30h 20m
1 stop
DFW19:55Dallas/Fort Worth
₹ 78,157
EVA Air
29 Mar
SFO00:50San Francisco
22h 25m
1 stop
KUL14:15Kuala Lumpur Intl
15 Apr
KUL12:50Kuala Lumpur Intl
22h 10m
1 stop
SFO20:00San Francisco
₹ 258,590

Etihad Airways flights from United States to Southeast Asia

Our best Etihad Airways deals on United States to Southeast Asia flight tickets
Etihad Airways
16 Apr
JFK22:20New York John F Kennedy Intl
21h 25m
1 stop
BKK06:45Bangkok Suvarnabhumi
13 May
BKK15:55Bangkok Suvarnabhumi
27h 40m
1 stop
JFK08:35New York John F Kennedy Intl
₹ 80,961
Etihad Airways
5 Apr
JFK15:45New York John F Kennedy Intl
27h 45m
1 stop
BKK06:30Bangkok Suvarnabhumi
20 Apr
BKK21:00Bangkok Suvarnabhumi
22h 35m
1 stop
JFK08:35New York John F Kennedy Intl
₹ 81,148
Etihad Airways
6 Apr
JFK21:30New York John F Kennedy Intl
34h 10m
1 stop
BKK18:40Bangkok Suvarnabhumi
21 Apr
BKK15:55Bangkok Suvarnabhumi
27h 40m
1 stop
JFK08:35New York John F Kennedy Intl
₹ 81,522

momondo Fare Finder

 
Customise your flight search to find flights from United States to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 59,053 searches. Data last updated 23 March 2026.
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

Sun 13/9

01:05-12:10

1 stop21h 05m

Bangkok Suvarnabhumi

Mon 5/10

13:20-19:55

1 stop20h 35m

₹ 72,454

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Sun 3/5

01:05-12:10

1 stop21h 05m

Bangkok Suvarnabhumi

Wed 27/5

10:50-19:55

1 stop23h 05m

₹ 73,015

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Wed 22/4

12:40-23:35

1 stop20h 55m

Bangkok Suvarnabhumi

Wed 27/5

21:40-10:40

1 stop27h 00m

₹ 73,202

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Mon 20/4

12:40-21:50

1 stop42h 10m

Kuala Lumpur Intl

Mon 11/5

23:20-10:40

1 stop26h 20m

₹ 73,295

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Wed 29/4

12:40-13:35

1 stop34h 55m

Bangkok Suvarnabhumi

Tue 12/5

01:20-10:40

1 stop23h 20m

₹ 73,576

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Sun 13/9

01:10-06:00

1 stop37h 50m

Kuala Lumpur Intl

Wed 4/11

18:30-21:15

1 stop18h 45m

₹ 73,669

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Tue 21/4

16:10-09:35

2 stops27h 25m

Bangkok Suvarnabhumi

Tue 26/5

07:00-10:35

1 stop17h 35m

₹ 73,856

OaklandBangkok

OAK - BKK

OAKBKK

Oakland

Tue 5/5

05:55-13:35

2 stops41h 40m

Bangkok Suvarnabhumi

Tue 12/5

09:50-23:57

2 stops28h 07m

₹ 79,465

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

Mon 31/8

02:00-10:40

1 stop21h 40m

Bangkok Suvarnabhumi

Tue 22/9

11:45-23:00

1 stop22h 15m

₹ 79,559

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

Mon 31/8

02:00-10:40

1 stop21h 40m

Bangkok Suvarnabhumi

Mon 21/9

01:20-23:00

1 stop32h 40m

₹ 79,839

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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 ₹ 74,511. 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 ₹ 77,409.

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 ₹ 89,453 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 ₹ 77,970 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).
  • 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?

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 SouthernPriceFrom ₹ 46,398Free CancellationRating
7.4
145 reviews
Search China Southern flights
Cathay PacificPriceFrom ₹ 54,751Free CancellationRating
7.6
1,224 reviews
Search Cathay Pacific flights
China AirlinesPriceFrom ₹ 61,087Free CancellationRating
8.3
817 reviews
Search China Airlines flights
Philippine AirlinesPriceFrom ₹ 61,274Free CancellationRating
7.3
970 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom ₹ 62,870Free CancellationRating
8.1
506 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom ₹ 64,696Free CancellationRating
7.4
9,462 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.

An easier way to manage your Southeast Asia trip

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1 adult
Wed 22/4
Wed 29/4

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