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Cheap flights from San Francisco to Southeast Asia from £252

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BKK
26 Mar — 2 Apr1
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 24 February 2026.

Wed 2/922:50
SFO
-
SIN
Nonstop16h 25m
United Airlines
Mon 21/920:35
SIN
-
SFO
Nonstop15h 30m
United Airlines
Deal found 24/2£476
Sun 19/422:40
SFO
-
SIN
Nonstop17h 05m
United Airlines
Mon 4/509:00
SIN
-
SFO
Nonstop15h 10m
United Airlines
Deal found 23/2£477
Sun 19/422:40
SFO
-
SIN
Nonstop17h 05m
United Airlines
Tue 5/520:35
SIN
-
SFO
Nonstop15h 10m
United Airlines
Deal found 24/2£478
Thu 20/811:45
SFO
-
SIN
Nonstop16h 25m
Singapore Airlines
Thu 27/809:15
SIN
-
SFO
Nonstop15h 35m
Singapore Airlines
Deal found 24/2£482
Wed 2/911:10
SFO
-
SIN
Nonstop16h 25m
United Airlines
Fri 11/911:05
SIN
-
SFO
1 stop20h 25m
United Airlines
Deal found 23/2£484
Tue 3/311:40
SFO
-
SIN
1 stop25h 20m
Korean Air
Mon 9/301:35
SIN
-
SFO
1 stop23h 55m
Korean Air
Deal found 23/2£489
Sun 16/813:00
SFO
-
SIN
2 stops49h 00m
Korean Air
Mon 24/822:00
SIN
-
SFO
1 stop28h 00m
Korean Air
Deal found 24/2£493
Wed 4/311:25
SFO
-
MNL
1 stop19h 10m
Cathay Pacific
Tue 12/512:30
MNL
-
SFO
1 stop25h 10m
Cathay Pacific
Deal found 23/2£502
Thu 5/311:25
SFO
-
MNL
1 stop37h 10m
Cathay Pacific
Mon 9/317:45
MNL
-
SFO
1 stop38h 35m
Cathay Pacific
Deal found 21/2£503
Tue 10/312:25
SFO
-
MNL
1 stop37h 10m
Cathay Pacific
Tue 17/305:45
MNL
-
SFO
1 stop31h 30m
Cathay Pacific
Deal found 23/2£505
Mon 31/801:05
SFO
-
MNL
1 stop17h 30m
China Airlines
Wed 16/910:35
MNL
-
SFO
1 stop24h 20m
China Airlines
Deal found 24/2£509
Wed 6/501:05
SFO
-
MNL
1 stop17h 30m
China Airlines
Sun 17/516:50
MNL
-
SFO
1 stop18h 05m
China Airlines
Deal found 21/2£514

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 24 February 2026.

Round-trip from

£476

One-way from

£252

Popular in

December

Cheapest in

September

Average price

£580
United Airlines
  • United Airlines
  • 30/4-6/5
  • Nonstop
  • 32h 15m total
  • San Francisco to Southeast Asia
Search Deals
United Airlines
  • United Airlines
  • 4/3
  • Nonstop
  • 17h 40m total
  • San Francisco to Southeast Asia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£46 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 858,174 searches. Data last updated 24 February 2026.
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

Wed 15/4

10:25-18:35

Nonstop17h 10m

Singapore Changi

Fri 1/5

09:00-09:10

Nonstop15h 10m

£476

San FranciscoJakarta

SFO - CGK

SFOCGK

San Francisco

Thu 13/8

11:10-22:40

1 stop21h 30m

Jakarta Soekarno-Hatta Intl

Tue 8/9

07:00-22:58

2 stops29h 58m

£543

San FranciscoManila

SFO - MNL

SFOMNL

San Francisco

Mon 13/4

16:17-10:55

2 stops27h 38m

Manila Ninoy Aquino Intl

Mon 20/4

23:30-10:40

1 stop26h 10m

£575

San FranciscoManila

SFO - MNL

SFOMNL

San Francisco

Thu 20/8

16:15-10:55

2 stops27h 40m

Manila Ninoy Aquino Intl

Sun 6/9

12:20-10:40

1 stop37h 20m

£575

San FranciscoManila

SFO - MNL

SFOMNL

San Francisco

Mon 13/4

12:40-22:05

1 stop18h 25m

Manila Ninoy Aquino Intl

Sun 26/4

23:30-07:45

2 stops47h 15m

£583

San FranciscoManila

SFO - MNL

SFOMNL

San Francisco

Wed 22/4

12:40-22:05

1 stop18h 25m

Manila Ninoy Aquino Intl

Wed 20/5

01:10-08:21

2 stops46h 11m

£583

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 16/8

06:05-05:00

2 stops31h 55m

Singapore Changi

Mon 24/8

22:00-19:55

2 stops36h 55m

£603

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 15/3

11:35-20:15

Nonstop17h 40m

Singapore Changi

Sat 21/3

22:20-22:15

Nonstop14h 55m

£610

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 23/3

11:35-20:15

Nonstop17h 40m

Singapore Changi

Sat 28/3

22:20-22:15

Nonstop14h 55m

£610

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 2/4

10:00-12:10

1 stop35h 10m

Singapore Changi

Sun 12/4

23:00-07:00

1 stop47h 00m

£618

Flights are sorted by cheapest return flights first.

Deals found on 23/2

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 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, January is the cheapest month in which you can book a flight from San Francisco to Southeast Asia (average of £389). Flying from San Francisco to Southeast Asia in June is currently the most expensive (average of £528). 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 24 February 2026.

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 24 February 2026.
Check out reviews from past customers who have flown with STARLUX Airlines, Cathay Pacific, andUnited Airlines 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
Check prices

Overall

8.9

Entertainment

8.8

Comfort

8.9

Crew

9.2

Boarding

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Entertainment

8.8

Comfort

8.9

Crew

9.2

Boarding

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Cathay Pacific
7.6
Good
1,179 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Entertainment

8.8

Comfort

8.9

Crew

9.2

Boarding

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
United Airlines
7.4
Good
9,344 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Entertainment

8.8

Comfort

8.9

Crew

9.2

Boarding

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Philippine Airlines
7.2
Good
958 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Entertainment

8.8

Comfort

8.9

Crew

9.2

Boarding

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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 13h 45m. United Airlines provides one of the quickest options available for as low as £558. There are 6973 mi between San Francisco and Southeast Asia. Both multi-stop and direct flights can be found to your destination and back.

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

    While some choose either San Francisco - Jakarta Soekarno-Hatta Intl or San Francisco - Singapore Changi, San Francisco - Manila Ninoy Aquino 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, January is the cheapest month in which you can book a flight from San Francisco to Southeast Asia (average of £389). Flying from San Francisco to Southeast Asia in June is currently the most expensive (average of £528). 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.

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 24 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest£482Average£893FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
STARLUX AirlinesCheapest£532Average£591FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
United AirlinesCheapest£557Average£721FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Philippine AirlinesCheapest£562Average£1,041FlexibilityNo cancel feeOn-time60%
Search Philippine 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?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Southeast Asia.

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.

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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