HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southeast Asia

$280+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BKK
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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 septiembre 17, 2025.

Round-trip from

$614
(IEagle)

One-way from

$280
(China Southern)

Popular in

December

Cheapest in

September

Average price

$791
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. 11% potential increase in price ($129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 septiembre 17, 2025.

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.
lun. 11/310:30 pmSFO - SIN
1 stop28h 35mAir India
dom. 11/168:30 pmSIN - SFO
1 stop26h 15mAir India
Deal found 9/15$614
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1010:30 pmSFO - SIN
1 stop28h 35mAir India
mié. 11/198:30 amSIN - SFO
1 stop38h 15mAir India
Deal found 9/15$616
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2011:30 amSFO - SIN
Nonstop16h 40mSingapore Airlines
mié. 11/129:15 amSIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 9/15$618
This Justfly.com deal was found by Cheapflights users on 9/17. 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.
mié. 10/110:25 pmSFO - SIN
2 stops29h 05mAir India
lun. 10/1310:30 amSIN - SFO
2 stops48h 55mAir India
Deal found 9/17$619
This Justfly.com deal was found by Cheapflights users on 9/17. 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.
jue. 10/910:25 pmSFO - SIN
2 stops29h 05mAir India
lun. 10/137:40 pmSIN - SFO
2 stops39h 45mAir India
Deal found 9/17$622
This CrystalTravel deal was found by Cheapflights users on 9/16. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1811:55 pmSFO - SIN
1 stop28h 00mPhilippine Airlines
jue. 9/252:35 pmSIN - SFO
1 stop21h 15mPhilippine Airlines
Deal found 9/16$624
This CrystalTravel 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1110:30 pmSFO - SIN
1 stop28h 40mPhilippine Airlines
mar. 11/252:10 pmSIN - SFO
1 stop21h 20mPhilippine Airlines
Deal found 9/15$626
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1511:30 amSFO - SIN
Nonstop16h 40mSingapore Airlines
vie. 10/249:15 amSIN - SFO
Nonstop15h 25mSingapore Airlines
Deal found 9/15$627
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/711:55 pmSFO - SIN
1 stop22h 25mPhilippine Airlines
mié. 10/152:35 pmSIN - SFO
1 stop21h 15mPhilippine Airlines
Deal found 9/15$628
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.
mar. 9/2311:55 pmSFO - SIN
1 stop28h 00mPhilippine Airlines
mié. 10/110:25 amSIN - SFO
1 stop25h 25mPhilippine Airlines
Deal found 9/14$629
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1811:55 pmSFO - SIN
1 stop28h 00mPhilippine Airlines
sáb. 10/48:00 pmSIN - SFO
1 stop39h 50mPhilippine Airlines
Deal found 9/15$630
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2911:55 pmSFO - SIN
1 stop28h 00mPhilippine Airlines
lun. 10/610:25 amSIN - SFO
1 stop25h 25mPhilippine Airlines
Deal found 9/15$631

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 septiembre 17, 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

lun. 9/29

10:45 am-6:25 pm

Nonstop16h 40m

Singapore Changi

lun. 10/20

8:45 am-9:15 am

Nonstop15h 30m

$641

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

mié. 10/1

10:45 am-6:25 pm

Nonstop16h 40m

Singapore Changi

lun. 10/13

8:40 pm-9:10 pm

Nonstop15h 30m

$641

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

dom. 9/28

7:25 am-6:40 am

2 stops32h 15m

Singapore Changi

mar. 10/7

6:15 am-10:30 am

1 stop19h 15m

$669

San FranciscoHo Chi Minh City

SFO - SGN

SFOSGN

San Francisco

mar. 10/28

7:25 am-10:55 pm

2 stops25h 30m

Ho Chi Minh City

mié. 11/5

11:05 pm-3:20 pm

1 stop31h 15m

$680

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

jue. 9/25

11:35 am-12:45 am

1 stop22h 10m

Singapore Changi

dom. 10/5

11:05 am-3:08 pm

2 stops43h 03m

$691

San FranciscoHo Chi Minh City

SFO - SGN

SFOSGN

San Francisco

mar. 10/28

12:40 pm-10:25 pm

1 stop19h 45m

Ho Chi Minh City

mar. 11/25

11:50 pm-9:30 am

1 stop24h 40m

$694

San FranciscoHo Chi Minh City

SFO - SGN

SFOSGN

San Francisco

mar. 10/28

12:40 pm-10:25 pm

1 stop19h 45m

Ho Chi Minh City

lun. 11/10

11:50 pm-9:30 am

1 stop24h 40m

$694

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

mar. 11/25

11:40 am-10:25 pm

1 stop42h 45m

Kuala Lumpur Intl

dom. 12/7

11:55 pm-9:30 am

1 stop25h 35m

$695

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

dom. 11/30

11:30 pm-1:10 pm

1 stop22h 40m

Hanoi Noibai

mar. 12/9

2:30 pm-3:00 pm

1 stop39h 30m

$699

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

dom. 11/30

11:30 pm-1:10 pm

1 stop22h 40m

Hanoi Noibai

dom. 12/7

11:30 pm-3:00 pm

1 stop30h 30m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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, September is the cheapest month in which you can book a flight from San Francisco to Southeast Asia (average of $900). Flying from San Francisco 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 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 septiembre 17, 2025.

When flying from San Francisco to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 septiembre 17, 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
8.4
Very good
1,237 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,237 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
China Airlines
8.3
Very good
768 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Singapore Airlines
8.1
Very good
1,367 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Cathay Pacific
7.6
Good
998 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Philippine Airlines
7.2
Good
911 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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 16h 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 $280. Users have also found prices from $327 and $339 on Singapore Airlines and United 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, September is the cheapest month in which you can book a flight from San Francisco to Southeast Asia (average of $900). Flying from San Francisco 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 San Francisco to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
San Francisco to Haneda flights
San Francisco to Narita flights
Los Angeles to Manila flights
Los Angeles to Suvarnabhumi flights
San Francisco to Manila flights
San Francisco to New Delhi flights
Ontario to Narita flights
San Francisco to Hong Kong flights
Los Angeles to Incheon Intl flights
San Francisco to Taiwan Taoyuan Intl flights
San Francisco to Suvarnabhumi flights
Los Angeles to Ho Chi Minh City flights
San Francisco to Mumbai flights
San Francisco to Ho Chi Minh City flights
Ontario to Haneda flights
Los Angeles to Taiwan Taoyuan Intl flights
Ontario to Suvarnabhumi flights
Los Angeles to Kansai Intl flights
San Diego to Narita flights
Ontario to Manila flights
Los Angeles to Hong Kong flights
Los Angeles to Hongqiao Intl flights
San Francisco to Hongqiao Intl flights
San Francisco to Bangalore flights
San Jose to New Delhi flights
Los Angeles to Don Mueang Intl flights
Burbank to Manila flights
San Francisco to Incheon Intl flights
Burbank to Suvarnabhumi flights
Oakland to New Delhi flights
Santa Ana to Haneda flights
Los Angeles to Pu Dong flights
San Francisco to Pu Dong flights
San Francisco to Hyderabad flights
Los Angeles to Singapore flights
Los Angeles to New Delhi flights
Los Angeles to Mumbai flights
Burbank to Narita flights
Santa Ana to Manila flights
Santa Ana to Suvarnabhumi flights
Los Angeles to Gimpo Intl flights
Ontario to Taiwan Taoyuan Intl flights
San Diego to Haneda flights
Ontario to Ho Chi Minh City flights
Santa Ana to Narita flights
San Francisco to Sung Shan flights
San Jose to Haneda flights
San Francisco to Kansai Intl flights

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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$511Average$866FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$528Average$830FlexibilityNo cancel feeOn-time81%
Air ChinaCheapest$533Average$697FlexibilityNo cancel feeOn-time67%
China AirlinesCheapest$547Average$976FlexibilityNo cancel feeOn-time70%
Singapore AirlinesCheapest$552Average$918FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$567Average$721FlexibilityNo cancel feeOn-timeN/A
Vietnam AirlinesCheapest$571Average$919FlexibilityNo cancel feeOn-time81%
China EasternCheapest$582Average$769FlexibilityNo cancel feeOn-time62%
AIR PREMIACheapest$606Average$651FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$625Average$1,067FlexibilityNo cancel feeOn-time67%

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.