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Cheap flights from the United States to Southeast Asia from ₹ 43,458

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BKK
27 Jun — 4 Jul1
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 28 May 2026.

Sat 21/1112:00
SFO
-
BKK
1 stop21h 55m
China Eastern
Wed 9/1213:35
BKK
-
SFO
1 stop34h 25m
China Eastern
Deal found 26/5₹ 82,119
Sat 7/1112:00
SFO
-
BKK
1 stop21h 55m
China Eastern
Fri 20/1101:55
BKK
-
SFO
1 stop22h 05m
China Eastern
Deal found 27/5₹ 82,215
Sat 5/1212:00
SFO
-
BKK
2 stops35h 55m
China Eastern
Wed 16/1213:35
BKK
-
SFO
1 stop34h 25m
China Eastern
Deal found 27/5₹ 82,887
Mon 16/1112:00
SFO
-
BKK
1 stop21h 55m
China Eastern
Fri 4/1201:55
BKK
-
SFO
1 stop22h 05m
China Eastern
Deal found 26/5₹ 83,558
Sat 31/1013:00
SFO
-
BKK
1 stop21h 55m
China Eastern
Sun 15/1113:35
BKK
-
SFO
1 stop34h 25m
China Eastern
Deal found 27/5₹ 83,654
Sat 31/1013:00
SFO
-
BKK
2 stops35h 55m
China Eastern
Sun 15/1101:55
BKK
-
SFO
1 stop22h 05m
China Eastern
Deal found 27/5₹ 84,326
Thu 29/1013:00
SFO
-
BKK
3 stops59h 55m
China Eastern
Sat 7/1121:05
BKK
-
SFO
2 stops50h 55m
China Eastern
Deal found 26/5₹ 84,997
Tue 24/1107:00
SFO
-
BKK
2 stops38h 20m
China Eastern
Fri 11/1213:35
BKK
-
SFO
1 stop34h 25m
China Eastern
Deal found 26/5₹ 86,340
Thu 29/1013:00
SFO
-
BKK
1 stop33h 20m
China Eastern
Mon 30/1113:35
BKK
-
SFO
2 stops40h 33m
China Eastern
Deal found 24/5₹ 86,820
Thu 12/1112:00
SFO
-
BKK
1 stop21h 55m
China Eastern
Mon 30/1113:35
BKK
-
SFO
2 stops40h 33m
China Eastern
Deal found 27/5₹ 86,916
Wed 18/1107:00
SFO
-
BKK
2 stops38h 20m
China Eastern
Sun 6/1218:15
BKK
-
SFO
2 stops29h 45m
China Eastern
Deal found 26/5₹ 87,012
Mon 23/1112:00
SFO
-
BKK
3 stops59h 55m
China Eastern
Mon 30/1113:35
BKK
-
SFO
2 stops40h 33m
China Eastern
Deal found 25/5₹ 87,588

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 28 May 2026.

Round-trip from

₹ 82,119

One-way from

₹ 43,458

Popular in

December

Cheapest in

September

Average price

₹ 103,225
China Eastern
  • China Eastern
  • 21/11-9/12
  • 2 total stops
  • 56h 20m total
  • USA to Southeast Asia
Search Deals
Philippine Airlines
  • Philippine Airlines
  • 5/8
  • 1 total stop
  • 33h 45m total
  • USA to Southeast Asia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (₹ 835,900 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (₹ 416,803 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 28 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

Wed 4/11

07:00-12:20

2 stops38h 20m

Bangkok Suvarnabhumi

Wed 11/11

07:50-09:00

3 stops40h 10m

₹ 87,012

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Wed 19/8

21:25-09:35

2 stops22h 10m

Bangkok Suvarnabhumi

Wed 9/9

09:35-09:35

1 stop38h 00m

₹ 89,218

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Tue 25/8

06:00-21:45

2 stops25h 45m

Bangkok Suvarnabhumi

Wed 16/9

02:35-23:36

2 stops35h 01m

₹ 89,794

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Mon 31/8

06:00-23:35

2 stops27h 35m

Bangkok Suvarnabhumi

Tue 29/9

02:35-23:59

2 stops35h 24m

₹ 89,794

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Sun 9/8

17:10-21:45

2 stops38h 35m

Bangkok Suvarnabhumi

Mon 7/9

02:35-23:46

2 stops35h 11m

₹ 90,274

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Tue 24/11

07:00-12:20

2 stops38h 20m

Bangkok Suvarnabhumi

Sun 6/12

01:55-09:00

1 stop22h 05m

₹ 91,137

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Mon 2/11

11:40-00:45

1 stop22h 05m

Bangkok Suvarnabhumi

Wed 4/11

00:55-09:30

1 stop23h 35m

₹ 93,727

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Thu 15/10

06:00-06:00

2 stops33h 00m

Kuala Lumpur Intl

Thu 22/10

07:15-19:09

2 stops26h 54m

₹ 94,111

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Tue 3/11

06:00-00:15

2 stops26h 15m

Kuala Lumpur Intl

Tue 17/11

14:15-23:04

2 stops24h 49m

₹ 94,111

OaklandBangkok

OAK - BKK

OAKBKK

Oakland

Fri 21/8

06:00-01:05

2 stops29h 05m

Bangkok Suvarnabhumi

Wed 9/9

09:50-23:49

2 stops27h 59m

₹ 94,591

Flights are sorted by cheapest return flights first.

Deals found on 25/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 ₹ 82,791). Flying from USA to Southeast Asia in December is currently the most expensive (average of ₹ 137,089). 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 28 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.

Weekly flight availability from USA to Southeast Asia

Explore weekly flight availability from USA to Southeast Asia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 28 May 2026.

The most flights from US0 to zzYJX are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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.

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 28 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

Entertainment

8.0

Boarding

8.3

Overall

8.3

Comfort

8.0

Crew

8.5

Food

7.8

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

Entertainment

8.0

Boarding

8.3

Overall

8.3

Comfort

8.0

Crew

8.5

Food

7.8

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
535 reviews
China Airlines
8.3
Very Good
826 reviews
Check prices

Entertainment

8.0

Boarding

8.3

Overall

8.3

Comfort

8.0

Crew

8.5

Food

7.8

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
1,346 reviews
China Airlines
8.3
Very Good
826 reviews
Check prices

Entertainment

8.0

Boarding

8.3

Overall

8.3

Comfort

8.0

Crew

8.5

Food

7.8

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
9,751 reviews
China Airlines
8.3
Very Good
826 reviews
Check prices

Entertainment

8.0

Boarding

8.3

Overall

8.3

Comfort

8.0

Crew

8.5

Food

7.8

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
997 reviews
China Airlines
8.3
Very Good
826 reviews
Check prices

Entertainment

8.0

Boarding

8.3

Overall

8.3

Comfort

8.0

Crew

8.5

Food

7.8

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 21h 55m. Fly via China Eastern, Delta, 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 ₹ 82,791). Flying from USA to Southeast Asia in December is currently the most expensive (average of ₹ 137,089). 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 28 May 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest₹ 47,611Average₹ 48,346FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Singapore AirlinesCheapest₹ 52,161Average₹ 59,958FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest₹ 56,183Average₹ 63,539FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
China AirlinesCheapest₹ 62,531Average₹ 69,754FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Philippine AirlinesCheapest₹ 62,877Average₹ 105,600FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Asiana AirlinesCheapest₹ 65,063Average₹ 73,167FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
United AirlinesCheapest₹ 66,388Average₹ 76,971FlexibilityNo 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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