Find Cheap Flights from San Francisco to Southeast Asia – Compare and Save
KAYAK's insights & trends for San Francisco to Southeast Asia flights
Get data-powered insights and trends into flights from San Francisco to Southeast Asia to help you find the cheapest flights, the best time to fly, and much more.
What is the cheapest San Francisco to Southeast Asia flight route?
The cheapest ticket to Southeast Asia from San Francisco found in the last 5 days was to Singapore, at S$ 1,029 return. The most popular route is from San Francisco (SFO) to Singapore (SIN), and the cheapest return airline ticket found on this route in the last 5 days was S$ 1,029.
What is the cheapest time of day to fly to Southeast Asia?
The cheapest time of day to fly to Southeast Asia is generally in the morning, when retur flights cost S$ 1,184 on average. The most expensive time of day to fly to Southeast Asia is generally at night, which is peak travel time and where the average cost of a ticket is S$ 1,729.
Can I save money by flying with a stopover from San Francisco to Southeast Asia?
No, with an average price for the route of S$ 821, prices are generally cheapest when you fly direct.
What is the cheapest month to fly from San Francisco to Southeast Asia?
The cheapest month for flights from San Francisco to Southeast Asia is March, when tickets cost S$ 1,033 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is S$ 1,783 and S$ 1,702 respectively.
What’s the cheapest day of the week to fly from San Francisco to Southeast Asia?
If you are looking for a flight deal from San Francisco to Southeast Asia, look for departures on Sundays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Southeast Asia, Wednesday is the cheapest day to fly and Sunday is the most expensive.
How far in advance should I book a flight from San Francisco to Southeast Asia?
To get a below-average price on a flight from San Francisco to Southeast Asia, you should book around 8 weeks before departure, which saves you about 28% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.
Which airlines fly direc between San Francisco and Southeast Asia?
There are 2 airlines that fly direct from San Francisco to Southeast Asia. They are United Airlines and Singapore Airlines. The cheapest airline for this route is Singapore Airlines, with the best return deal found costing S$ 754 and arriving in Singapore (SIN). On average, Singapore Airlines offers the best prices for direct flights between San Francisco and Southeast Asia.
Which airlines fly most frequently between San Francisco and Southeast Asia?
San Francisco and Southeast Asia are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (26 flights per week), Singapore Airlines (14 flights per week), and Vietnam Airlines (8 flights per week).
Which cabin class options are there for flights between San Francisco and Southeast Asia?
There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.
How many flights are there between San Francisco and Southeast Asia per day?
Each day, there are between 6 and 8 direct flights that take off from San Francisco and land in Southeast Asia, with an average flight time of 15h 58m. The most common departure time is 00:00 and most flights take off at night, while the most flights land at Singapore. Each week, there are 49 flights. The most frequent day of departure is Thursday, when 16% of all weekly flights depart. The fewest flights depart on a Tuesday.
What’s the earliest departure time from San Francisco to Southeast Asia?
The earliest flight from San Francisco to Southeast Asia departs at 09:40, landing in Singapore at 19:05.
What’s the latest departure time from San Francisco to Southeast Asia?
If you prefer to fly at night, the last flight from San Francisco to Southeast Asia sets off at 22:40 and lands in Singapore at 06:15.
Good to know
Low season | August |
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High season | December |
Flights from San Francisco to Southeast Asia: the best tips from KAYAK users
FAQs - booking Southeast Asia flights
Reviews of the top airlines flying from San Francisco to Southeast Asia
I had selected seats together for my family of three when I first booked my tickets in February. However, I realized only when I checked in at the airport that the seats I had selected were no longer assigned to us and we were completely scattered across three different middle seats instead of being seated together! After requesting the Singapore staff to have us seated together on a full flight, they managed to find something but it was right next to the rest rooms and the whole journey of 15+ hours was really unpleasant. They said that the seat selection isn't locked and the airline can reallocate the seats anytime. No one ever told us this and it was a terribly unpleasant surprise. Will avoid Kayak/underpricer and Singapore in future
I had selected seats together for my family of three when I first booked my tickets in February. However, I realized only when I checked in at the airport that the seats I had selected were no longer assigned to us and we were completely scattered across three different middle seats instead of being seated together! After requesting the Singapore staff to have us seated together on a full flight, they managed to find something but it was right next to the rest rooms and the whole journey of 15+ hours was really unpleasant. They said that the seat selection isn't locked and the airline can reallocate the seats anytime. No one ever told us this and it was a terribly unpleasant surprise. Will avoid Kayak/underpricer and Singapore in future
Very concerned with guest comforts going out of their way to accommodate special dietary needs when the guests hadn’t pre-ordered.
Crew and service excellent. 2 hour delay for takeoff. SQ app showed flight on time.
Flight from SFO did not include entertainment as it was not working the entire duration of the flight. Was informed that there would be a $350 voucher for the inconvenience. Uncertain how the voucher will be provided.
The food options and quality could use some more excitement and variety.
On time boarding I would like to see ground hostess to help transit customers to direct them to the right terminal and boarding gate. Last night, all the transit customers on SQ484 arriving Singapore had to merry go round to look for terminal and boarding gate to board SQ128 transit to KL Malaysia. We went to Terminal 3 taking the Skytrain to T3 and back to T3 to get out to look for different Skytrain to T2. On arrival t2, we had to go round to ask which boarding gate to KL. We only had 5 minutes to make to the boarding time at 6:55pm but we already spent more than 30 minutes running around to find the boarding gate. We were late at the boarding gate.
Leg room and flight sound insulation is very bad. They broke 3 of my bags with bad handling
I commend the flight attendants on our SFO-SIN flight who went above and beyond to provide us with extra snacks and food. This type of service makes the flight experience personal and awesome.
People were so nice! Economy seats were small and cramped feeling for me. I’m slender and 6 feet tall
The singapore airline now compared before covid, I like the service before covid. SQ was the best of all airlines but now I am going to look for different airline if I am travelling in asia.
Better management of the boarding process. Is there any way you could forward all the window seats first? That's the Way Reno Air used to do it, and they had the fastest boarding in the industry!
overall a very good travel experience - left on time, arrived early. Mostly a smooth flight. Polaris seats were excellent, very good service and nice food with options.
Flight was over two hours late, but they notified us early in the morning. They ended up changing planes the food on board that was extremely mediocre and we were in premier class.
Food was very bad Crew was not so welcoming. Chairs was so uncomfortable
The business class had to wait to board last. Unacceptable
The air hostess was excellent. I have taken so many flight domestic and international, this is the first time the air hostess was so caring. She was a delight
We paid extra to check our bags ($90*2=$180) but our luggage remained in Frankfurt. VERY DISAPPOINTED as we were promised that our luggage would go to our destination. We had to pay 90€ to take a taxi back to the airport in Split the next day to get our bags so we would not miss our next step on our trip. We think we should be reimbursed for our checked bags. How can we coordinate this?
This was an auto-rebook due to being delayed from an earlier UA connecting flight. The boarding was fine, but they sat me in a middle seat when my original booking was a window seat. Overall, the flight was fine as it still got me to my final destination.
Sitting in coach even in the larger leg space is extremely uncomfortable and the staff pay no attention.
The pilot was late so we didn’t take off til almost 2 hours late.