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Cheap flights from San Francisco to Southeast Asia from ₹ 40,501

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BKK
23 May — 30 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Southeast Asia

Enter your travel dates to find the best prices.

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 23 April 2026.

Thu 3/1212:00
SFO
-
BKK
2 stops35h 55m
China Eastern
Wed 23/1213:35
BKK
-
SFO
1 stop34h 25m
China Eastern
Deal found 19/4₹ 71,627
Thu 3/1212:00
SFO
-
BKK
2 stops35h 55m
China Eastern
Fri 18/1215:55
BKK
-
SFO
2 stops32h 05m
China Eastern
Deal found 19/4₹ 72,284
Sat 5/1212:00
SFO
-
BKK
1 stop21h 55m
China Eastern
Wed 23/1213:35
BKK
-
SFO
1 stop34h 25m
China Eastern
Deal found 19/4₹ 75,659
Sat 5/1212:00
SFO
-
BKK
1 stop21h 55m
China Eastern
Fri 18/1215:55
BKK
-
SFO
2 stops32h 05m
China Eastern
Deal found 19/4₹ 76,315
Mon 19/1012:00
SFO
-
BKK
3 stops44h 15m
China Eastern
Fri 30/1007:50
BKK
-
SFO
2 stops40h 10m
China Eastern
Deal found 22/4₹ 76,971
Sat 12/912:00
SFO
-
BKK
1 stop23h 55m
China Eastern
Mon 14/905:05
BKK
-
SFO
1 stop18h 00m
China Eastern
Deal found 21/4₹ 80,346
Mon 15/610:30
SFO
-
BKK
1 stop37h 45m
Air India
Mon 20/715:15
BKK
-
SFO
1 stop29h 45m
Air India
Deal found 21/4₹ 80,440
Thu 3/1212:00
SFO
-
BKK
1 stop21h 55m
China Eastern
Wed 16/1201:55
BKK
-
SFO
1 stop22h 05m
China Eastern
Deal found 19/4₹ 80,534
Mon 7/912:00
SFO
-
BKK
3 stops44h 15m
China Eastern
Mon 14/905:05
BKK
-
SFO
1 stop18h 00m
China Eastern
Deal found 23/4₹ 81,003
Mon 31/812:00
SFO
-
BKK
1 stop23h 55m
China Eastern
Sun 20/902:10
BKK
-
SFO
1 stop20h 55m
China Eastern
Deal found 19/4₹ 81,471
Thu 29/1013:00
SFO
-
BKK
1 stop33h 20m
China Eastern
Sun 1/1101:55
BKK
-
SFO
1 stop22h 05m
China Eastern
Deal found 19/4₹ 81,753
Wed 7/1022:50
SFO
-
KUL
1 stop28h 35m
Vietnam Airlines
Tue 3/1119:50
KUL
-
SFO
1 stop37h 10m
Vietnam Airlines
Deal found 20/4₹ 88,222

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 23 April 2026.

Round-trip from

₹ 76,315

One-way from

₹ 40,033

Popular in

December

Cheapest in

September

Average price

₹ 74,721
China Eastern
  • China Eastern
  • 19/10-30/10
  • 4 total stops
  • 78h 40m total
  • San Francisco to Southeast Asia
Search Deals
Air India
  • Air India
  • 18/5
  • 2 total stops
  • 44h 10m total
  • San Francisco to Southeast Asia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (₹ 761,673 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (₹ 378,364 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 454,620 searches. Data last updated 23 April 2026.
Use the filters below to find and compare flights from San Francisco 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

Tue 5/5

08:19-04:35

2 stops30h 16m

Bangkok Suvarnabhumi

Wed 13/5

15:45-20:05

1 stop18h 20m

₹ 105,472

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Sun 17/5

13:00-18:00

1 stop39h 00m

Bangkok Suvarnabhumi

Tue 9/6

15:00-23:15

1 stop22h 15m

₹ 111,191

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Wed 26/8

13:56-06:00

2 stops25h 04m

Kuala Lumpur Intl

Tue 6/10

14:15-23:59

2 stops24h 44m

₹ 112,504

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Tue 19/5

12:40-21:50

1 stop42h 10m

Kuala Lumpur Intl

Sun 31/5

23:20-08:21

2 stops48h 01m

₹ 112,597

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Thu 17/9

06:05-21:50

2 stops48h 45m

Kuala Lumpur Intl

Thu 24/9

23:20-19:55

2 stops35h 35m

₹ 116,723
Fastest return journey

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Sat 12/9

01:05-13:55

2 stops21h 50m

Kuala Lumpur Intl

Wed 30/9

14:30-19:55

2 stops20h 25m

₹ 118,785

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Tue 19/5

12:40-21:50

1 stop42h 10m

Kuala Lumpur Intl

Tue 14/7

23:20-11:00

1 stop26h 40m

₹ 125,067

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Sun 12/7

21:43-15:10

2 stops50h 27m

Kuala Lumpur Intl

Thu 16/7

20:20-19:21

2 stops38h 01m

₹ 132,379

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Sun 21/6

12:40-01:05

1 stop22h 25m

Bangkok Suvarnabhumi

Sat 27/6

21:40-20:19

2 stops36h 39m

₹ 133,786

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Sun 17/5

16:40-04:35

2 stops45h 55m

Bangkok Suvarnabhumi

Tue 9/6

15:45-20:10

2 stops42h 25m

₹ 134,161

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 46 resultsSorted by cheapest first
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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 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 San Francisco to Southeast Asia

How far ahead should I book a flight from San Francisco to Southeast Asia?

To ensure you get the cheapest price possible for a flight from San Francisco to Southeast Asia, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 ₹ 70,596). Flying from San Francisco to Southeast Asia in December is currently the most expensive (average of ₹ 132,098). 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 23 April 2026.

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

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 23 April 2026.
Get a feel of what it's like to fly with China Airlines,Singapore Airlines, andCathay Pacific from San Francisco 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
818 reviews
Check prices

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Comfort

8.0

Overall

8.3

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
818 reviews
China Airlines
8.3
Very Good
818 reviews
Check prices

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Comfort

8.0

Overall

8.3

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.
Singapore Airlines
8.2
Very Good
1,502 reviews
China Airlines
8.3
Very Good
818 reviews
Check prices

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Comfort

8.0

Overall

8.3

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
1,295 reviews
China Airlines
8.3
Very Good
818 reviews
Check prices

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Comfort

8.0

Overall

8.3

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
9,644 reviews
China Airlines
8.3
Very Good
818 reviews
Check prices

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Comfort

8.0

Overall

8.3

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
994 reviews
China Airlines
8.3
Very Good
818 reviews
Check prices

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Comfort

8.0

Overall

8.3

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 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?

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Southeast Asia. It is only a 17.7 km journey to San Francisco (SFO) from San Francisco’s city centre.

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

    Departing from San Francisco to Southeast Asia will take you 25h 10m. The distance from San Francisco to Southeast Asia is about 12740 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    While some choose either San Francisco - Bangkok Suvarnabhumi or San Francisco - Port Blair, San Francisco - Kuala Lumpur Intl is the most popular route 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 holiday 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 ₹ 70,596). Flying from San Francisco to Southeast Asia in December is currently the most expensive (average of ₹ 132,098). 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.
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Top 7 airlines flying from San Francisco to Southeast Asia

Discover the top 7 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 454,620 searches. Data last updated 23 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest₹ 46,529Average₹ 47,247FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Singapore AirlinesCheapest₹ 50,975Average₹ 58,595FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest₹ 54,906Average₹ 70,402FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
China AirlinesCheapest₹ 61,260Average₹ 68,039FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Philippine AirlinesCheapest₹ 61,448Average₹ 75,452FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Asiana AirlinesCheapest₹ 63,048Average₹ 64,214FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
United AirlinesCheapest₹ 64,879Average₹ 75,221FlexibilityNo 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 San Francisco to Southeast Asia?

Deals for San Francisco to Southeast Asia flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Southeast Asia?

Cheapflights simply makes it quick and affordable to book flights from San Francisco 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 San Francisco to Southeast Asia with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Southeast Asia, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Francisco to Southeast Asia become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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