Southeast Asia

$292+ Cheap flights from California to Southeast Asia

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BKK
Oct 15 — Oct 221
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Cheap flight deals from California to Southeast Asia

Keep the following information in mind while searching for California to Southeast Asia flight deals. Data was last updated September 15, 2025.

Round-trip from

$608
(FlightHub)

One-way from

$292
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$755
From California to Southeast Asia
One-way flight from California to Southeast Asia
Highest demand for flights based on searches. 11% potential increase in price ($121 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from California to Southeast Asia

Cheapest flights from California to Southeast Asia
Explore the most affordable flight options available from California to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Gotogate deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:45 pmLAX - SGN
1 stop32h 15mXiamenAir
Tue 11/47:55 amSGN - LAX
1 stop26h 05mXiamenAir
Deal found 9/13$608
This Trip.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1412:30 pmLAX - SGN
1 stop22h 50mChina Eastern
Mon 10/272:10 amSGN - LAX
1 stop21h 55mChina Eastern
Deal found 9/13$610
This Gotogate deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:45 pmLAX - SGN
1 stop32h 15mXiamenAir
Thu 12/1112:25 pmSGN - LAX
1 stop21h 35mXiamenAir
Deal found 9/13$612
This IEagle deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:30 pmSFO - SIN
2 stops28h 35mAir India
Mon 11/2411:00 pmSIN - SFO
1 stop23h 45mAir India
Deal found 9/14$613
This IEagle deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/310:30 pmSFO - SIN
1 stop28h 35mAir India
Sun 11/168:30 pmSIN - SFO
1 stop26h 15mAir India
Deal found 9/15$614
This Gotogate deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:45 pmLAX - SGN
1 stop21h 40mXiamenAir
Sun 12/217:55 amSGN - LAX
1 stop26h 05mXiamenAir
Deal found 9/13$614
This CrystalTravel deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/511:55 pmSFO - SIN
1 stop28h 00mPhilippine Airlines
Thu 10/910:25 amSIN - SFO
1 stop25h 25mPhilippine Airlines
Deal found 9/14$615
This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:45 pmLAX - SGN
1 stop32h 15mXiamenAir
Thu 11/137:55 amSGN - LAX
1 stop26h 05mXiamenAir
Deal found 9/15$616
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/711:55 pmSFO - SIN
1 stop22h 25mPhilippine Airlines
Tue 10/1410:25 amSIN - SFO
1 stop25h 25mPhilippine Airlines
Deal found 9/13$618
This Gotogate deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:45 pmLAX - SGN
1 stop21h 40mXiamenAir
Tue 12/2312:25 pmSGN - LAX
1 stop21h 35mXiamenAir
Deal found 9/14$618
This ScholarTrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:30 amSFO - SIN
Nonstop16h 40mSingapore Airlines
Wed 10/299:15 amSIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 9/14$619
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1411:55 pmLAX - SGN
1 stop28h 30mSingapore Airlines
Wed 11/512:15 pmSGN - LAX
1 stop22h 40mSingapore Airlines
Deal found 9/13$619

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from California to Southeast Asia that are best for you.

Fly from

California

Fly to

Southeast Asia

Route

Depart

Return

Price

Los AngelesHo Chi Minh City

LAX - SGN

LAXSGN

Los Angeles

Mon 10/27

12:10 pm-10:55 pm

1 stop20h 45m

Ho Chi Minh City

Sun 11/16

11:05 pm-5:50 pm

1 stop33h 45m

$640

Los AngelesHo Chi Minh City

LAX - SGN

LAXSGN

Los Angeles

Thu 11/13

11:10 am-10:55 pm

1 stop20h 45m

Ho Chi Minh City

Sat 11/22

6:00 am-8:05 am

1 stop17h 05m

$651

Los AngelesHo Chi Minh City

LAX - SGN

LAXSGN

Los Angeles

Mon 9/22

7:05 am-12:15 am

2 stops27h 10m

Ho Chi Minh City

Mon 10/6

11:15 pm-6:45 pm

1 stop33h 30m

$655

Los AngelesHo Chi Minh City

LAX - SGN

LAXSGN

Los Angeles

Tue 9/23

8:00 am-12:15 am

2 stops26h 15m

Ho Chi Minh City

Mon 10/6

11:15 pm-6:45 pm

1 stop33h 30m

$655

Los AngelesHo Chi Minh City

LAX - SGN

LAXSGN

Los Angeles

Thu 9/25

6:00 am-12:15 am

2 stops28h 15m

Ho Chi Minh City

Tue 10/7

11:15 pm-3:10 pm

1 stop29h 55m

$655

Los AngelesHo Chi Minh City

LAX - SGN

LAXSGN

Los Angeles

Thu 10/30

12:10 pm-10:55 pm

1 stop20h 45m

Ho Chi Minh City

Wed 11/12

6:00 am-5:50 pm

2 stops26h 50m

$658

Los AngelesBangkok

LAX - BKK

LAXBKK

Los Angeles

Sun 9/21

10:00 am-11:10 pm

1 stop23h 10m

Bangkok Suvarnabhumi

Mon 9/22

1:20 am-8:00 am

1 stop20h 40m

$675

Los AngelesHo Chi Minh City

LAX - SGN

LAXSGN

Los Angeles

Wed 9/24

7:00 pm-12:15 am

2 stops39h 15m

Ho Chi Minh City

Wed 10/8

7:00 am-11:00 am

1 stop18h 00m

$675

Los AngelesBangkok

LAX - BKK

LAXBKK

Los Angeles

Sun 9/21

10:00 am-11:10 pm

1 stop23h 10m

Bangkok Suvarnabhumi

Sat 9/27

1:20 am-8:00 am

1 stop20h 40m

$675

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Sun 10/26

3:30 pm-9:25 pm

1 stop39h 55m

Bangkok Suvarnabhumi

Thu 11/13

10:55 pm-12:00 pm

1 stop28h 05m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results
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Best time to book a flight from California to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from California with our price prediction graph.
Estimated round-trip 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 California to Southeast Asia

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

Currently, September is the cheapest month in which you can book a flight from California to Southeast Asia (average of $900). Flying from California to Southeast Asia in December is currently the most expensive (average of $1,507). 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 CA to YJX?

Find hourly flight availability from California 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Southeast Asia as you normally would.

Related info for your journey

Find useful and relevant information for your journey from California 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 California to Southeast Asia?

    United Airlines, Asiana Airlines, and AIR PREMIA can get you from California to Southeast Asia in just under 20h 45m. Your travel time can differ by up to 19h 10m. Airlines will cover a distance of 8153 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from California to Southeast Asia one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $337. Asiana Airlines flights start at $340 while deals on China Eastern start at $357 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from California 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 California to Southeast Asia?

    Currently, September is the cheapest month in which you can book a flight from California to Southeast Asia (average of $900). Flying from California to Southeast Asia in December is currently the most expensive (average of $1,507). 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 California to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from California to Southeast Asia

Discover the top 10 airlines that operate flights from California 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 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$1,167FlexibilityNo cancel feeOn-timeN/A
Sichuan AirlinesCheapest$410Average$1,091FlexibilityNo cancel feeOn-time63%
China SouthernCheapest$474Average$850FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$490Average$1,088FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$528Average$947FlexibilityNo cancel feeOn-time81%
Air ChinaCheapest$533Average$713FlexibilityNo cancel feeOn-time67%
XiamenAirCheapest$538Average$733FlexibilityNo cancel feeOn-time49%
Air IndiaCheapest$567Average$721FlexibilityNo cancel feeOn-timeN/A
Vietnam AirlinesCheapest$571Average$1,001FlexibilityNo cancel feeOn-time81%
China EasternCheapest$582Average$778FlexibilityNo cancel feeOn-time62%

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