Cheap Flights from Bangkok to San Francisco from $404

Frequently Asked Questions

• What are the cheapest flights from Bangkok to San Francisco (BKK-SFO)?

  Based on Trip.com data, Air Premia offers one-way fares as low as $404 on Cheapest nonstop routes (e.g. BKK to SFO on Tue, Nov 10), while Air Premia offers Cheapest nonstop round-trips from $670 departing on Tue, Oct 20 and returning on Sat, Oct 24.

• Which airlines offer direct flights from Bangkok to San Francisco?

  At the moment, you can catch a nonstop flight from Bangkok to San Francisco with the following airlines, including: Trinity Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Bangkok to San Francisco?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bangkok to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Bangkok to San Francisco?

  To find best deals on flights from Bangkok to San Francisco, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Nov 10, with one-way flights priced at just $404.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Premia.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Bangkok (BKK) to San Francisco (SFO) the cheapest?

  The cheapest months to fly from Bangkok to San Francisco is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Bangkok to San Francisco on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Bangkok to San Francisco on September 29, 2026 with Air Premia, with prices starting at $426.

• Which airports can I fly into San Francisco from Bangkok?

  You can arrive at any of the following airports in San Francisco: San Francisco International Airport (SFO). Flights from Suvarnabhumi Airport to San Francisco International Airport (BKK-SFO) are by far the most popular option for this route.

• Is there any time difference between Bangkok and San Francisco?

  The time difference between San Francisco and Bangkok is 15h.

• How do I change or cancel my ticket from Bangkok to San Francisco?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Bangkok to San Francisco?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Bangkok to San Francisco is $655. Fares vary by travel date, airline and availability.

• How do I book flights from Bangkok to San Francisco on Trip.com?

  Enter Bangkok and San Francisco, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.