Cheap flights from San Francisco to Southeast Asia from £271

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BKK
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

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 3 November 2025.

Round-trip from

£487

One-way from

£271

Popular in

December

Cheapest in

September

Average price

£623
United Airlines
  • United Airlines
  • 11/1-22/1
  • Nonstop
  • 32h 35m total
  • San Francisco to Southeast Asia
United Airlines
  • United Airlines
  • 7/2
  • 2 total stops
  • 33h 56m total
  • San Francisco to Southeast Asia
Highest demand for flights based on searches. 10% potential increase in price (£62 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
Average for round-trip flights in November 2025

Find 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 3 November 2025.

Wed 3/1222:35SFO - SIN
Nonstop17h 25mUnited Airlines
Fri 26/1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 2/11£487
Thu 27/1110:40SFO - SIN
1 stop22h 15mUnited Airlines
Fri 26/1210:10SIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 1/11£496
Wed 3/1223:50SFO - SIN
1 stop30h 05mAsiana Airlines
Wed 24/1223:10SIN - SFO
1 stop30h 50mAsiana Airlines
Deal found 2/11£517
Wed 3/1211:40SFO - SIN
1 stop25h 20mKorean Air
Wed 24/1210:40SIN - SFO
2 stops62h 53mKorean Air
Deal found 2/11£530
Thu 27/1111:40SFO - CGK
1 stop41h 40mKorean Air
Tue 27/121:50CGK - SFO
1 stop26h 40mKorean Air
Deal found 2/11£553
Mon 10/1123:40SFO - MNL
1 stop18h 15mChina Airlines
Thu 20/1116:55MNL - SFO
1 stop17h 50mChina Airlines
Deal found 1/11£566
Mon 3/1110:50SFO - SIN
Nonstop17h 25mUnited Airlines
Mon 17/1110:10SIN - SFO
Nonstop15h 05mUnited Airlines
Deal found 2/11£575
Mon 1/1210:50SFO - SIN
Nonstop17h 25mUnited Airlines
Thu 11/1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 3/11£577
Sun 9/1123:40SFO - MNL
1 stop18h 15mChina Airlines
Wed 19/1116:55MNL - SFO
1 stop17h 50mChina Airlines
Deal found 2/11£585
Tue 4/1123:40SFO - MNL
1 stop34h 50mChina Airlines
Thu 13/1103:35MNL - SFO
1 stop31h 10mChina Airlines
Deal found 2/11£596
Mon 3/1114:00SFO - MNL
Nonstop15h 00mUnited Airlines
Mon 17/1109:55MNL - SFO
Nonstop12h 30mUnited Airlines
Deal found 2/11£605
Tue 4/1114:00SFO - MNL
Nonstop15h 00mUnited Airlines
Tue 2/1223:25MNL - SFO
Nonstop12h 30mUnited Airlines
Deal found 1/11£606

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 858,174 searches. Data last updated 3 November 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 27/11

22:35-08:00

Nonstop17h 25m

Singapore Changi

Fri 26/12

10:10-09:00

Nonstop14h 50m

£487

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 27/1

00:20-06:55

1 stop38h 35m

Singapore Changi

Wed 4/2

22:20-21:15

Nonstop14h 55m

£494

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 15/1

10:35-20:15

Nonstop17h 40m

Singapore Changi

Thu 29/1

10:45-09:10

1 stop38h 25m

£494

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 13/1

10:40-00:55

1 stop22h 15m

Singapore Changi

Sun 25/1

10:10-09:00

Nonstop14h 50m

£496

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 27/1

09:10-06:55

2 stops29h 45m

Singapore Changi

Tue 17/2

22:20-21:15

Nonstop14h 55m

£498

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 13/1

07:25-00:55

2 stops25h 30m

Singapore Changi

Wed 28/1

10:45-15:20

1 stop20h 35m

£508

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 26/1

00:20-06:55

1 stop38h 35m

Singapore Changi

Mon 2/2

10:45-18:52

2 stops24h 07m

£509

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 29/1

07:25-00:55

2 stops25h 30m

Singapore Changi

Sun 1/2

06:35-21:43

2 stops31h 08m

£518

San FranciscoJakarta

SFO - CGK

SFOCGK

San Francisco

Thu 15/1

11:40-20:20

1 stop41h 40m

Jakarta Soekarno-Hatta Intl

Mon 19/1

21:50-09:30

1 stop26h 40m

£553

San FranciscoJakarta

SFO - CGK

SFOCGK

San Francisco

Wed 14/1

13:00-20:20

2 stops40h 20m

Jakarta Soekarno-Hatta Intl

Wed 21/1

21:50-09:30

1 stop26h 40m

£558

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 59 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 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

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 £296). Flying from San Francisco to Southeast Asia in June is currently the most expensive (average of £541). 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 3 November 2025.

It’s optimal to fly from San Francisco to Southeast Asia in the evening. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight at midday.

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 3 November 2025.
Check out reviews from past customers who have flown with STARLUX Airlines, EVA Air, andCathay Pacific from San Francisco to Southeast Asia to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very Good

Overall

8.9

Comfort

8.9

Entertainment

8.8

Boarding

8.9

Crew

9.2

Food

8.7

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good

Overall

8.9

Comfort

8.9

Entertainment

8.8

Boarding

8.9

Crew

9.2

Food

8.7

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very Good

Overall

8.9

Comfort

8.9

Entertainment

8.8

Boarding

8.9

Crew

9.2

Food

8.7

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very Good

Overall

8.9

Comfort

8.9

Entertainment

8.8

Boarding

8.9

Crew

9.2

Food

8.7

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very Good

Overall

8.9

Comfort

8.9

Entertainment

8.8

Boarding

8.9

Crew

9.2

Food

8.7

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very Good

Overall

8.9

Comfort

8.9

Entertainment

8.8

Boarding

8.9

Crew

9.2

Food

8.7

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

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?

    If you book a flight to Southeast Asia from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

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

    A quick flight from San Francisco to Southeast Asia can take about 17h 25m. United Airlines provides one of the quickest options available for as low as £487. There are 8433 mi between San Francisco and Southeast Asia. Both multi-stop and direct flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as £271 on United Airlines. Other airlines that offer cheap prices include Delta from £275 and Singapore Airlines from £319 one-way.

  • 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 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, February is the cheapest month in which you can book a flight from San Francisco to Southeast Asia (average of £296). Flying from San Francisco to Southeast Asia in June is currently the most expensive (average of £541). 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

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Top 4 airlines flying from San Francisco to Southeast Asia

Discover the top 4 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 858,174 searches. Data last updated 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest£561Average£565FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Philippine AirlinesCheapest£608Average£964FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
United AirlinesCheapest£615Average£740FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
EVA AirCheapest£622Average£656FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

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

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Can Cheapflights find flights from San Francisco to Southeast Asia with no change fees?

Need flexible booking options for your flight to Southeast Asia from San Francisco? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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