Cheap flights from San Francisco to Southeast Asia from £249
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Southeast Asia departing on 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from San Francisco to Southeast Asia
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Southeast Asia?
The month of March is, on average, the cheapest month to fly to Southeast Asia from San Francisco, with most prices found around £597. If you are unable to visit Southeast Asia during the month of March, then departing from San Francisco during the month April is also very affordable. Most momondo users find prices during this month for around £598.
What is the cheapest day to depart on your flight to Southeast Asia?
Our data shows that Sunday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as £595. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Southeast Asia on Monday is £785.
What is the cheapest time of day to depart on your flight to Southeast Asia?
At midday is the cheapest time of day to fly from San Francisco to Southeast Asia when you can find flight prices for as low as £636. Flying to Southeast Asia at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around £736. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest San Francisco to Southeast Asia flight route?
Fly from San Francisco to Singapore Changi for the best San Francisco - Southeast Asia flight prices
How far in advance should I book a flight to Southeast Asia?
You are more likely to see cheaper flights to Southeast Asia from San Francisco when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around £709 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from San Francisco for as low as £601 on momondo.
What cabin class options are available on San Francisco to Southeast Asia flights?
There are 3 cabin classes available to choose from on San Francisco to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Francisco to Southeast Asia?
United Airlines, Asiana Airlines, and Korean Air are the most popular carriers operating from San Francisco to Southeast Asia
Which airlines fly to Southeast Asia?
Philippine Airlines, United Airlines and Cathay Pacific are the top three most popular airlines that fly to Southeast Asia from San Francisco according to our data. Philippine Airlines is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 5 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Francisco to Southeast Asia on average per day?
As of June 2025, 6 flights take off from San Francisco and land in Southeast Asia each day. The most common flight departure time for this route is 22:00, with 54% of daily flights taking off in the evening.
How many flights depart from San Francisco to Southeast Asia on average per week?
As of June 2025, 42 flights take off from San Francisco and land in Southeast Asia each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
Cheap San Francisco to Southeast Asia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Southeast Asia
Best price found | £249 |
|---|---|
Fastest flight time | 14h 00m |
Direct flights | Every day |
Airports in Southeast Asia | 3 airports |
When did momondo last update prices for flights from San Francisco Airport to Southeast Asia?
Prices for flights from San Francisco Airport to Southeast Asia were last updated today.
How many operators does momondo search for flights from San Francisco Airport to Southeast Asia?
As of June 2025, there are 5 operators available to choose from for flights from San Francisco Airport to Southeast Asia.
How old do you have to be to fly from San Francisco Airport to Southeast Asia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
The necessary travel and health documents for your Southeast Asia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to Southeast Asia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Francisco to Southeast Asia is Boeing 777 (13.32% of total bookings). The next most popular plane models are Boeing 777-300ER (9.26%), Boeing 737 MAX 8 (7.18%), and Boeing 737 MAX 9 (6.83%).
Best airlines flying from San Francisco to Southeast Asia
Compare and see reviews for airlines that fly from San Francisco to Southeast Asia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £539 | Free Cancellation | Rating 8.1 1,302 reviews | |||
| PriceFrom £546 | Free Cancellation | Rating 7.5 892 reviews | |||
| PriceFrom £595 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom £602 | Free Cancellation | Rating 8.4 1,202 reviews | |||
| PriceFrom £612 | Free Cancellation | Rating 7.2 871 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Francisco to Southeast Asia?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to Southeast Asia for you.
Can I find flights from San Francisco to Southeast Asia with flexible booking policies on momondo?
Yes. All flights to Southeast Asia from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from San Francisco to Southeast Asia?
momondo helps you find the best flight between San Francisco and Southeast Asia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Francisco to Southeast Asia right now. Can momondo alert me if prices change?
Price alerts on flights to Southeast Asia from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.