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$302+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BKK
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/18. 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 12/2910:35 pmSFO - SGN
2 stops33h 20mUnited Airlines
Thu 1/226:00 amSGN - SFO
1 stop16h 00mUnited Airlines
Deal found 12/18$699
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/3011:40 amSFO - SGN
1 stop20h 15mUnited Airlines
Wed 1/216:00 amSGN - SFO
2 stops24h 20mUnited Airlines
Deal found 12/16$701
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/3011:40 amSFO - SGN
1 stop20h 15mUnited Airlines
Mon 1/196:00 amSGN - SFO
2 stops42h 15mUnited Airlines
Deal found 12/16$712
This FlightHub deal was found by Cheapflights users on 12/16. 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 12/313:00 pmSFO - BKK
2 stops38h 20mAir India
Sun 3/15:55 pmBKK - SFO
1 stop33h 30mAir India
Deal found 12/16$740
This FlightHub deal was found by Cheapflights users on 12/17. 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 12/313:00 pmSFO - BKK
2 stops38h 20mAir India
Sun 2/110:20 pmBKK - SFO
1 stop29h 05mAir India
Deal found 12/17$742
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:30 pmSFO - BKK
1 stop36h 05mAir India
Mon 12/298:50 pmBKK - SFO
2 stops32h 40mAir India
Deal found 12/15$749
This oojo deal was found by Cheapflights users on 12/16. 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.
Sun 12/284:30 pmSFO - SIN
1 stop48h 45mAir India
Sun 2/88:00 pmSIN - SFO
1 stop32h 25mAir India
Deal found 12/16$752
This Justfly.com deal was found by Cheapflights users on 12/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:40 amSFO - MNL
1 stop33h 45mSingapore Airlines
Mon 2/22:05 pmMNL - SFO
1 stop33h 45mSingapore Airlines
Deal found 12/17$770
This FlightHub deal was found by Cheapflights users on 12/17. 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 12/3111:50 pmSFO - BKK
1 stop31h 10mAsiana Airlines
Tue 2/312:20 pmBKK - SFO
1 stop16h 40mAsiana Airlines
Deal found 12/17$773
This oojo deal was found by Cheapflights users on 12/16. 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.
Wed 12/313:00 pmSFO - BKK
1 stop38h 20mAir India
Wed 1/213:10 pmBKK - SFO
1 stop36h 15mAir India
Deal found 12/16$774
This KAYAK deal was found by Cheapflights users on 12/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:00 pmSFO - BKK
2 stops34h 55mAir India
Sun 2/152:45 pmBKK - SFO
2 stops45h 05mAir India
Deal found 12/15$780
This Korean Air deal was found by Cheapflights users on 12/18. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:42 pmSFO - SGN
2 stops39h 38mKorean Air
Thu 1/298:00 amSGN - SFO
1 stop16h 30mKorean Air
Deal found 12/18$780

Find 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 December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$641
(United Airlines)

One-way from

$302
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,434
Provider with most accurate pricing for San Francisco-Manila Ninoy Aquino Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Manila Ninoy Aquino Intl flights.
Search Deals
From San Francisco to Southeast Asia
Search Deals
One-way flight from San Francisco to Southeast Asia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Mon 1/19

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Wed 1/28

10:10 am-9:00 am

Nonstop14h 50m

$641

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 1/28

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Tue 2/10

10:10 am-9:00 am

Nonstop14h 50m

$641

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 1/16

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Fri 1/23

10:45 am-3:20 pm

1 stop20h 35m

$651

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 1/27

12:20 am-6:55 am

1 stop38h 35m

Singapore Changi

Wed 2/4

10:10 am-9:00 am

Nonstop14h 50m

$651

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 2/5

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Wed 2/18

6:35 am-9:15 am

1 stop18h 40m

$654

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 1/12

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Sun 1/25

6:35 am-9:15 am

1 stop18h 40m

$654

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 2/10

11:50 pm-9:55 pm

1 stop30h 05m

Singapore Changi

Wed 3/11

11:10 pm-3:00 pm

1 stop30h 50m

$658

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 2/1

11:40 am-8:25 pm

1 stop40h 45m

Singapore Changi

Thu 2/19

1:35 am-9:30 am

1 stop23h 55m

$658

San FranciscoCebu City

SFO - CEB

SFOCEB

San Francisco

Sat 3/14

12:40 pm-10:20 pm

1 stop18h 40m

Cebu City Mactan Intl

Tue 3/24

12:15 am-10:30 am

1 stop25h 15m

$690

San FranciscoCebu City

SFO - CEB

SFOCEB

San Francisco

Tue 3/3

1:08 pm-10:20 pm

2 stops41h 12m

Cebu City Mactan Intl

Tue 6/2

1:00 am-10:40 am

1 stop24h 40m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
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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 $713). 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 December 18, 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 evening tend to be the most expensive. A flight at noon could potentially save you up to 14% 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 December 18, 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.
EVA Air
8.5
Very good
1,295 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very good
1,295 reviews
EVA Air
8.5
Very good
1,295 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
China Airlines
8.3
Very good
792 reviews
EVA Air
8.5
Very good
1,295 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Singapore Airlines
8.1
Very good
1,413 reviews
EVA Air
8.5
Very good
1,295 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Cathay Pacific
7.6
Good
1,095 reviews
EVA Air
8.5
Very good
1,295 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Philippine Airlines
7.3
Good
943 reviews
EVA Air
8.5
Very good
1,295 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

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, Korean Air, or Asiana Airlines 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 $227. Users have also found prices from $234 and $288 on Singapore Airlines and Philippine Airlines, respectively.

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

    The most popular route from San Francisco to Southeast Asia is San Francisco - Manila Ninoy Aquino Intl. You may also consider San Francisco - Bangkok Suvarnabhumi or San Francisco - Ho Chi Minh City.

  • 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 $713). 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

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Alternative routes for San Francisco to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$479Average$579FlexibilityNo cancel feeOn-time69%
Vietnam AirlinesCheapest$527Average$958FlexibilityNo cancel feeOn-time81%
Air ChinaCheapest$533Average$699FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$546Average$918FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$566Average$703FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$566Average$738FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$583Average$804FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$601Average$785FlexibilityNo cancel feeOn-time76%
AIR PREMIACheapest$606Average$652FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$621Average$950FlexibilityNo cancel feeOn-timeN/A

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