Southeast Asia

$282+ Cheap flights from San Francisco (SFO) 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BKK
Nov 29 — Dec 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Southeast Asia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Francisco to Southeast Asia

Keep the following information in mind while searching for San Francisco to Southeast Asia flight deals. Data was last updated October 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$641
(United Airlines)

One-way from

$284
(China Southern)

Popular in

December

Cheapest in

September

Average price

$803
Provider with most accurate pricing for San Francisco-Manila Ninoy Aquino Intl flight deals.
Provider most trusted by Cheapflights users for San Francisco-Manila Ninoy Aquino Intl flights.
From San Francisco to Southeast Asia
One-way flight from San Francisco to Southeast Asia
Highest demand for flights based on searches. 11% potential increase in price ($119 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Find flight deals from San Francisco to Southeast Asia

Cheapest flights from San Francisco to Southeast Asia
Explore the most affordable flight options available from San Francisco to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:50 amSFO - SIN
Nonstop17h 25mUnited Airlines
Fri 12/2610:10 amSIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 10/30$641
This CrystalTravel deal was found by Cheapflights users on 10/30. 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.
Sat 11/111:30 pmSFO - SIN
1 stop22h 30mPhilippine Airlines
Wed 11/510:35 amSIN - SFO
1 stop24h 55mPhilippine Airlines
Deal found 10/30$662
This Gotogate deal was found by Cheapflights users on 10/28. 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 11/1312:00 pmSFO - SGN
1 stop22h 10mChina Eastern
Fri 11/214:55 pmSGN - SFO
3 stops31h 05mChina Eastern
Deal found 10/28$675
This Gotogate deal was found by Cheapflights users on 10/28. 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.
Mon 11/2411:35 pmSFO - HAN
2 stops44h 05mChina Southern
Sun 12/77:45 pmHAN - SFO
2 stops38h 55mChina Southern
Deal found 10/28$675
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:59 pmSFO - SGN
2 stops32h 56mUnited Airlines
Sun 12/711:05 pmSGN - SFO
1 stop31h 15mUnited Airlines
Deal found 10/29$676
This Gotogate deal was found by Cheapflights users on 10/29. 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.
Mon 11/1012:00 pmSFO - HAN
1 stop38h 45mChina Eastern
Wed 11/193:10 pmHAN - SFO
1 stop32h 50mChina Eastern
Deal found 10/29$676
This Trip.com deal was found by Cheapflights users on 10/30. 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.
Wed 12/311:50 pmSFO - SIN
1 stop30h 05mAsiana Airlines
Wed 12/1711:10 pmSIN - SFO
1 stop30h 50mAsiana Airlines
Deal found 10/30$680
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:59 pmSFO - SGN
2 stops32h 56mUnited Airlines
Sun 12/711:05 pmSGN - SFO
1 stop31h 15mUnited Airlines
Deal found 10/29$680
This Asiana Airlines deal was found by Cheapflights users on 10/30. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:50 pmSFO - SIN
1 stop30h 05mAsiana Airlines
Tue 1/1311:10 pmSIN - SFO
1 stop30h 50mAsiana Airlines
Deal found 10/30$681
This FlightHub deal was found by Cheapflights users on 10/28. 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.
Wed 10/2911:50 pmSFO - BKK
2 stops29h 45mAir India
Tue 11/118:50 amBKK - SFO
1 stop42h 10mAir India
Deal found 10/28$683
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:59 pmSFO - SGN
2 stops32h 56mUnited Airlines
Tue 12/167:30 amSGN - SFO
1 stop16h 45mUnited Airlines
Deal found 10/30$683
This oojo deal was found by Cheapflights users on 10/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:40 pmSFO - HAN
1 stop26h 50mChina Airlines
Mon 11/311:35 amHAN - SFO
1 stop22h 10mChina Airlines
Deal found 10/27$683

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco 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 October 30, 2025.
Use the filters below to find and compare flights from San Francisco to Southeast Asia that are best for you.

Fly from

San Francisco

Fly to

Southeast Asia

Route

Depart

Return

Price

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 2/12

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Wed 2/18

10:10 am-9:05 am

Nonstop14h 55m

$641

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 2/5

10:40 am-12:55 am

1 stop22h 15m

Singapore Changi

Sat 2/14

10:10 am-9:05 am

Nonstop14h 55m

$654

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 2/2

7:25 am-6:55 am

2 stops31h 30m

Singapore Changi

Fri 2/13

10:20 pm-9:15 pm

Nonstop14h 55m

$655

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 2/1

9:10 am-6:55 am

2 stops29h 45m

Singapore Changi

Tue 2/10

10:20 pm-9:15 pm

Nonstop14h 55m

$655

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sat 1/24

12:20 am-6:55 am

1 stop38h 35m

Singapore Changi

Mon 2/2

10:45 am-3:20 pm

1 stop20h 35m

$660

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 1/28

11:40 am-8:25 pm

1 stop40h 45m

Singapore Changi

Tue 2/3

1:35 am-9:30 am

1 stop23h 55m

$681

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 1/28

6:05 am-12:10 am

2 stops26h 05m

Singapore Changi

Tue 2/3

1:35 am-10:57 pm

2 stops37h 22m

$692

San FranciscoHo Chi Minh City

SFO - SGN

SFOSGN

San Francisco

Mon 12/1

10:59 pm-10:55 pm

2 stops32h 56m

Ho Chi Minh City

Tue 12/16

7:30 am-3:08 pm

2 stops22h 38m

$693

San FranciscoHo Chi Minh City

SFO - SGN

SFOSGN

San Francisco

Fri 11/28

11:00 am-12:15 am

1 stop22h 15m

Ho Chi Minh City

Fri 12/5

7:30 am-9:15 am

1 stop16h 45m

$695

San FranciscoHo Chi Minh City

SFO - SGN

SFOSGN

San Francisco

Wed 11/12

10:15 am-9:50 pm

1 stop20h 35m

Ho Chi Minh City

Wed 12/3

6:00 am-7:00 am

1 stop16h 00m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from San Francisco to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from San Francisco 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 San Francisco to Southeast Asia

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

Currently, February is the cheapest month in which you can book a flight from San Francisco to Southeast Asia (average of $390). Flying from San Francisco to Southeast Asia in June is currently the most expensive (average of $712). 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 SFO to YJX?

Find hourly flight availability from San Francisco 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 October 30, 2025.

One of the essential ways to save on airfare from San Francisco to Southeast Asia is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 15% on airfare.

What is the cheapest day to fly from San Francisco to Southeast Asia?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Southeast Asia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco to Southeast Asia flight should consider departing on Saturday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 30, 2025.
Read through reviews of airlines operating flights from San Francisco to Southeast Asia, such as EVA Air, China Airlines, and Singapore Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Crew

8.6

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Crew

8.6

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Crew

8.6

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Crew

8.6

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Crew

8.6

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to Southeast Asia?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Southeast Asia. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • How long is the flight from San Francisco to Southeast Asia?

    There are many flights that can get you from San Francisco to Southeast Asia in 17h 40m. Fly via United Airlines, ANA, or Korean Air to get the fastest option. The distance between San Francisco and Southeast Asia is about 8433 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for China Southern. According to our data, you can fly for as low as $282. Users have also found prices from $294 and $320 on United Airlines and Singapore Airlines, respectively.

  • What are the most popular routes from San Francisco to Southeast Asia?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco 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 San Francisco to Southeast Asia?

    Currently, February is the cheapest month in which you can book a flight from San Francisco to Southeast Asia (average of $390). Flying from San Francisco to Southeast Asia in June is currently the most expensive (average of $712). 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 San Francisco to Southeast Asia

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

Top 10 airlines flying from San Francisco to Southeast Asia

Discover the top 10 airlines that operate flights from San Francisco 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$511Average$813FlexibilityNo cancel feeOn-time69%
Vietnam AirlinesCheapest$527Average$960FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$528Average$821FlexibilityNo cancel feeOn-time81%
Air ChinaCheapest$533Average$697FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$547Average$930FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$567Average$716FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$582Average$761FlexibilityNo cancel feeOn-time62%
AIR PREMIACheapest$606Average$652FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$625Average$1,038FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$646Average$786FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.