Cheap Flights from San Francisco to Bangkok from $320

Frequently Asked Questions

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

  Based on Trip.com data, Air India offers one-way fares as low as $320 on Cheapest nonstop routes (e.g. SFO to BKK on Fri, Mar 6), while Air India offers Cheapest nonstop round-trips from $614 departing on Thu, Feb 12 and returning on Mon, Feb 16.

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

  At the moment, you can catch a nonstop flight from San Francisco to Bangkok with the following airlines, including: ZIPAIR United Airlines 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 San Francisco to Bangkok?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Francisco to Bangkok 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 San Francisco to Bangkok?

  To find best deals on flights from San Francisco to Bangkok, 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 Fri, Mar 6, with one-way flights priced at just $320.
  · 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 India.
  · 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 Bangkok travel is around July.
  · Get exclusive promo codes for Trip.com app users.

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

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

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

  After crunching the numbers on our January flight calendar, it's currently cheapest to fly from San Francisco to Bangkok on January 29, 2026 with China Southern Airlines, with prices starting at $497.

• Which airports can I fly to for Bangkok from San Francisco?

  You can land at any one of the following hubs in Bangkok, with San Francisco International Airport to Suvarnabhumi Airport (SFO-BKK) is by far the most common option on this route: Suvarnabhumi Airport (BKK) Don Mueang International Airport (DMK).

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

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

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

  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.