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Cheap flights from San Francisco to Southeast Asia from £302

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 27/5. 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 29/1013:00
SFO
-
SIN
1 stop25h 25m
China Eastern
Fri 13/1100:25
SIN
-
SFO
1 stop24h 35m
China Eastern
Deal found 19/4£569
Tue 1/923:20
SFO
-
MNL
1 stop32h 15m
Asiana Airlines
Tue 15/923:55
MNL
-
SFO
1 stop30h 35m
Asiana Airlines
Deal found 22/4£571
Wed 21/1023:20
SFO
-
MNL
1 stop32h 15m
Asiana Airlines
Tue 3/1123:45
MNL
-
SFO
1 stop30h 15m
Asiana Airlines
Deal found 23/4£589
Thu 17/923:50
SFO
-
MNL
1 stop20h 05m
Asiana Airlines
Thu 24/912:05
MNL
-
SFO
1 stop18h 15m
Asiana Airlines
Deal found 19/4£591
Tue 1/923:50
SFO
-
MNL
1 stop20h 05m
Asiana Airlines
Thu 17/912:05
MNL
-
SFO
1 stop18h 15m
Asiana Airlines
Deal found 20/4£595
Mon 7/912:00
SFO
-
SIN
1 stop38h 00m
China Eastern
Wed 21/1016:55
SIN
-
SFO
1 stop31h 10m
China Eastern
Deal found 19/4£606
Mon 7/912:00
SFO
-
SIN
1 stop26h 25m
China Eastern
Sun 18/1018:25
SIN
-
SFO
1 stop29h 40m
China Eastern
Deal found 19/4£607
Wed 22/423:50
SFO
-
MNL
1 stop20h 05m
Asiana Airlines
Wed 20/523:55
MNL
-
SFO
1 stop30h 35m
Asiana Airlines
Deal found 22/4£611
Mon 7/912:00
SFO
-
SIN
2 stops32h 40m
China Eastern
Wed 21/1000:55
SIN
-
SFO
1 stop23h 10m
China Eastern
Deal found 19/4£612
Wed 23/923:20
SFO
-
MNL
1 stop32h 15m
Asiana Airlines
Mon 5/1023:55
MNL
-
SFO
1 stop30h 35m
Asiana Airlines
Deal found 23/4£614
Sat 12/923:50
SFO
-
MNL
1 stop31h 45m
Asiana Airlines
Sun 20/923:55
MNL
-
SFO
1 stop30h 25m
Asiana Airlines
Deal found 19/4£628
Sat 2/523:50
SFO
-
MNL
1 stop20h 05m
Asiana Airlines
Sun 31/523:55
MNL
-
SFO
1 stop30h 25m
Asiana Airlines
Deal found 20/4£648

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

£571

One-way from

£302

Popular in

December

Cheapest in

September

Average price

£590
Asiana Airlines
  • Asiana Airlines
  • 1/9-15/9
  • 2 total stops
  • 62h 50m total
  • San Francisco to Southeast Asia
Search Deals
Air India
  • Air India
  • 27/5
  • 2 total stops
  • 34h 40m total
  • San Francisco to Southeast Asia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£47 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 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 858,174 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 FranciscoManila

SFO - MNL

SFOMNL

San Francisco

Tue 4/8

07:00-20:50

2 stops46h 50m

Manila Ninoy Aquino Intl

Fri 14/8

12:05-18:39

2 stops45h 34m

£652

San FranciscoManila

SFO - MNL

SFOMNL

San Francisco

Thu 20/8

00:55-05:55

Nonstop14h 00m

Manila Ninoy Aquino Intl

Mon 7/9

08:40-06:40

Nonstop13h 00m

£727

San FranciscoManila

SFO - MNL

SFOMNL

San Francisco

Fri 21/8

09:20-21:10

2 stops20h 50m

Manila Ninoy Aquino Intl

Fri 16/10

23:50-06:03

2 stops21h 13m

£764

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 28/8

08:55-15:45

2 stops39h 50m

Singapore Changi

Sat 12/9

03:10-09:05

2 stops44h 55m

£766

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 24/8

22:50-06:15

Nonstop16h 25m

Singapore Changi

Mon 21/9

08:45-09:15

Nonstop15h 30m

£773

San FranciscoManila

SFO - MNL

SFOMNL

San Francisco

Fri 16/10

06:05-22:05

2 stops25h 00m

Manila Ninoy Aquino Intl

Sun 25/10

23:40-10:30

1 stop25h 50m

£780

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 10/5

10:25-18:35

Nonstop17h 10m

Singapore Changi

Tue 19/5

20:35-20:45

Nonstop15h 10m

£887

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 6/5

10:25-18:35

Nonstop17h 10m

Singapore Changi

Tue 19/5

11:05-09:35

1 stop37h 30m

£893

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 4/10

06:00-05:00

2 stops32h 00m

Singapore Changi

Tue 13/10

22:00-20:02

2 stops37h 02m

£904

San FranciscoManila

SFO - MNL

SFOMNL

San Francisco

Fri 10/7

23:40-10:35

2 stops43h 55m

Manila Ninoy Aquino Intl

Sat 25/7

23:30-22:40

2 stops38h 10m

£995

Flights are sorted by cheapest return flights first.

Deals found on 19/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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 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?

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Southeast Asia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 £557). Flying from San Francisco to Southeast Asia in December is currently the most expensive (average of £1,043). 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.

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 23 April 2026.
Check out reviews from past customers who have flown with STARLUX Airlines,Cathay Pacific, andPhilippine 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

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Food

8.6

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Food

8.6

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
Cathay Pacific
7.6
Good
1,293 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Food

8.6

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
Philippine Airlines
7.3
Good
994 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Crew

9.2

Food

8.6

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.

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 11.0 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 14h 10m. United Airlines provides one of the quickest options available for as low as £705. 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 - Singapore Changi or San Francisco - Jakarta Soekarno-Hatta Intl, 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, September is the cheapest month in which you can book a flight from San Francisco to Southeast Asia (average of £557). Flying from San Francisco to Southeast Asia in December is currently the most expensive (average of £1,043). 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 3 airlines flying from San Francisco to Southeast Asia

Discover the top 3 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 23 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest£482Average£961FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
STARLUX AirlinesCheapest£531Average£591FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
Philippine AirlinesCheapest£546Average£640FlexibilityNo 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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