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Cheap flights from the United States to Southeast Asia from ₹ 43,534

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BKK
17 Jun — 24 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from USA to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest flights from USA to Southeast Asia
Explore the most affordable flight options available from USA to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 May 2026.

Tue 15/906:05
SFO
-
BKK
2 stops25h 40m
Delta
Wed 2/1221:30
BKK
-
SFO
2 stops33h 32m
Delta
Deal found 13/5₹ 80,738
Sun 15/1119:00
SFO
-
BKK
2 stops35h 30m
Delta
Tue 1/1209:40
BKK
-
SFO
2 stops29h 17m
Delta
Deal found 13/5₹ 81,314
Sat 7/1112:00
SFO
-
BKK
1 stop33h 20m
China Eastern
Fri 20/1113:35
BKK
-
SFO
1 stop34h 25m
China Eastern
Deal found 15/5₹ 82,177
Mon 19/1012:00
SFO
-
BKK
1 stop23h 55m
China Eastern
Sun 8/1101:55
BKK
-
SFO
1 stop22h 05m
China Eastern
Deal found 17/5₹ 83,615
Tue 10/1111:40
SFO
-
BKK
1 stop20h 40m
Delta
Mon 23/1100:55
BKK
-
SFO
1 stop23h 35m
Delta
Deal found 13/5₹ 84,190
Mon 31/818:50
SFO
-
BKK
2 stops28h 45m
Delta
Tue 29/902:35
BKK
-
SFO
1 stop22h 05m
Delta
Deal found 13/5₹ 84,574
Thu 19/1112:00
SFO
-
BKK
2 stops35h 55m
China Eastern
Wed 2/1207:50
BKK
-
SFO
3 stops40h 10m
China Eastern
Deal found 17/5₹ 84,958
Sun 13/906:00
SFO
-
BKK
2 stops25h 45m
Delta
Wed 2/1221:30
BKK
-
SFO
2 stops33h 32m
Delta
Deal found 13/5₹ 85,533
Thu 27/806:00
OAK
-
BKK
2 stops29h 05m
Delta
Sat 5/909:50
BKK
-
OAK
2 stops27h 59m
Delta
Deal found 13/5₹ 85,533
Thu 22/1008:55
SFO
-
BKK
2 stops27h 00m
China Eastern
Sun 25/1001:55
BKK
-
SFO
1 stop22h 05m
China Eastern
Deal found 17/5₹ 86,300
Sun 1/1107:00
SFO
-
BKK
2 stops38h 20m
China Eastern
Sat 21/1115:55
BKK
-
SFO
2 stops56h 05m
China Eastern
Deal found 15/5₹ 87,067
Mon 31/807:05
BUR
-
KUL
2 stops23h 45m
Delta
Wed 16/923:20
KUL
-
BUR
2 stops37h 22m
Delta
Deal found 17/5₹ 87,259

Find flight deals from USA to Southeast Asia

Keep the following information in mind while searching for USA to Southeast Asia flight deals. Data was last updated 18 May 2026.

Round-trip from

₹ 80,738

One-way from

₹ 43,534

Popular in

December

Cheapest in

September

Average price

₹ 102,505
Delta
  • Delta
  • 15/9-28/9
  • 4 total stops
  • 57h 30m total
  • USA to Southeast Asia
Search Deals
China Eastern
  • China Eastern
  • 14/9
  • 1 total stop
  • 35h 50m total
  • USA to Southeast Asia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (₹ 850,401 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (₹ 416,291 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from USA 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, Cheapflights users made 454,620 searches. Data last updated 18 May 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

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Tue 10/11

11:40-23:20

1 stop20h 40m

Bangkok Suvarnabhumi

Mon 23/11

00:55-09:30

1 stop23h 35m

₹ 84,190

OaklandBangkok

OAK - BKK

OAKBKK

Oakland

Thu 27/8

06:00-01:05

2 stops29h 05m

Bangkok Suvarnabhumi

Sat 5/9

09:50-23:49

2 stops27h 59m

₹ 85,533

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Mon 31/8

16:15-21:45

2 stops39h 30m

Bangkok Suvarnabhumi

Tue 29/9

02:35-10:40

1 stop22h 05m

₹ 94,163

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Mon 14/9

13:00-01:05

2 stops46h 05m

Bangkok Suvarnabhumi

Wed 18/11

00:55-09:30

1 stop23h 35m

₹ 94,163

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Wed 9/9

21:07-06:00

2 stops41h 53m

Kuala Lumpur Intl

Sun 4/10

14:15-17:42

2 stops42h 27m

₹ 94,451

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Tue 29/9

06:00-23:35

2 stops27h 35m

Bangkok Suvarnabhumi

Tue 24/11

21:30-20:02

2 stops37h 32m

₹ 94,738

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Fri 18/9

12:50-23:35

1 stop20h 45m

Bangkok Suvarnabhumi

Wed 2/12

21:30-16:02

2 stops33h 32m

₹ 95,218

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Thu 6/8

14:40-21:50

2 stops64h 10m

Kuala Lumpur Intl

Tue 1/9

23:20-10:40

1 stop26h 20m

₹ 98,766

OaklandBangkok

OAK - BKK

OAKBKK

Oakland

Sun 11/10

13:15-23:35

2 stops44h 20m

Bangkok Suvarnabhumi

Sat 17/10

02:35-23:56

2 stops35h 21m

₹ 100,012

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Fri 2/10

12:50-01:05

1 stop22h 15m

Bangkok Suvarnabhumi

Mon 12/10

02:35-08:25

2 stops43h 50m

₹ 100,108

Flights are sorted by cheapest return flights first.

Deals found on 14/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from USA to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from USA with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United States to Southeast Asia

How far ahead should I book a flight from USA to Southeast Asia?

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from USA to Southeast Asia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from USA to Southeast Asia?

Currently, September is the cheapest month in which you can book a flight from USA to Southeast Asia (average of ₹ 83,423). Flying from USA to Southeast Asia in December is currently the most expensive (average of ₹ 137,601). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from US to YJX?

Find hourly flight availability from USA to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 May 2026.

When flying from USA to Southeast Asia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 62% versus a flight in the morning.

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated 18 May 2026.
Get a feel of what it's like to fly with China Airlines,Asiana Airlines, andCathay Pacific from the United States to Southeast Asia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very Good
826 reviews
Check prices

Food

7.8

Boarding

8.3

Entertainment

8.0

Crew

8.5

Overall

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
China Airlines
8.3
Very Good
826 reviews
China Airlines
8.3
Very Good
826 reviews
Check prices

Food

7.8

Boarding

8.3

Entertainment

8.0

Crew

8.5

Overall

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
Asiana Airlines
8.1
Very Good
534 reviews
China Airlines
8.3
Very Good
826 reviews
Check prices

Food

7.8

Boarding

8.3

Entertainment

8.0

Crew

8.5

Overall

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
Cathay Pacific
7.6
Good
1,334 reviews
China Airlines
8.3
Very Good
826 reviews
Check prices

Food

7.8

Boarding

8.3

Entertainment

8.0

Crew

8.5

Overall

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
United Airlines
7.4
Good
9,735 reviews
China Airlines
8.3
Very Good
826 reviews
Check prices

Food

7.8

Boarding

8.3

Entertainment

8.0

Crew

8.5

Overall

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
Philippine Airlines
7.3
Good
998 reviews
China Airlines
8.3
Very Good
826 reviews
Check prices

Food

7.8

Boarding

8.3

Entertainment

8.0

Crew

8.5

Overall

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.

Related info for your journey

Find useful and relevant information for your journey from USA to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from USA to Southeast Asia?

    There are many flights that can get you from USA to Southeast Asia in 20h 40m. Fly via Delta, Korean Air, or United Airlines to get the fastest option. USA and Southeast Asia are separated by a distance of 12740 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from USA to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on USA to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from USA to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Southeast Asia.

  • Can I find deals for business class flights from USA to Southeast Asia?

    Yes. Cheapflights offers flight deals from USA to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from USA to Southeast Asia?

    Currently, September is the cheapest month in which you can book a flight from USA to Southeast Asia (average of ₹ 83,423). Flying from USA to Southeast Asia in December is currently the most expensive (average of ₹ 137,601). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from USA to Southeast Asia

Discover the top 7 airlines that operate flights from USA to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 18 May 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest₹ 47,589Average₹ 48,323FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Singapore AirlinesCheapest₹ 52,137Average₹ 59,930FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest₹ 56,156Average₹ 72,194FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
China AirlinesCheapest₹ 62,501Average₹ 69,722FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Philippine AirlinesCheapest₹ 62,847Average₹ 106,098FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Asiana AirlinesCheapest₹ 65,033Average₹ 73,133FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
United AirlinesCheapest₹ 66,357Average₹ 76,935FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from USA to Southeast Asia?

When you search for this flight from USA to Southeast Asia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from USA to Southeast Asia?

Cheapflights simply makes it quick and affordable to book flights from USA to Southeast Asia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from USA to Southeast Asia with no change fees?

Certainly. Search results for flights to Southeast Asia from USA shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from USA to Southeast Asia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Southeast Asia from USA today and book when prices fit your budget.

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