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Cheap flights from San Francisco to Southeast Asia

SFO — BKK
22 Oct — 29 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from San Francisco to Southeast Asia

Popular in

December

Cheapest in

February

Average price

$1,146
Highest demand for flights based on searches. 6% potential increase in price ($127 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease ($95 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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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 53 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, March is the cheapest month in which you can book a flight from San Francisco to Southeast Asia (average of $1,132). Flying from San Francisco to Southeast Asia in December is currently the most expensive (average of $1,932). 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?

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.

Related info for your journey

  • 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.

  • 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, March is the cheapest month in which you can book a flight from San Francisco to Southeast Asia (average of $1,132). Flying from San Francisco to Southeast Asia in December is currently the most expensive (average of $1,932). 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.

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Alternative routes for San Francisco to Southeast Asia

Los Angeles to Hong Kong flights
Los Angeles to Manila flights
Los Angeles to Denpasar flights
Los Angeles to Narita flights
San Francisco to Manila flights
Los Angeles to Haneda flights

Fly with Cheapflights

How does Cheapflights help users find flights from San Francisco to Southeast Asia?

Cheapflights helps you search for flights from San Francisco to Southeast Asia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from San Francisco to Southeast Asia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Southeast Asia from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for San Francisco to Southeast Asia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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