$418 Cheap Korean Air flights San Francisco (SFO) to Bangkok (BKK)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap Korean Air round-trip flights from $766 from SFO to BKK. Affordable one-way tickets from $418 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for one-way or return flights to Bangkok in September or October. You could find a cheap fare with Korean Air during these off-peak times.

To find cheap flights from SFO to BKK with Korean Air, start your search about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another good tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct trip from SFO to BKK with Korean Air or any other carriers, check the “Nonstop” filter when looking for flights.

To find the earliest departure from SFO to BKK with Korean Air, filter your results by “Early Morning” and “Morning.” Booking an early flight generally means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Suvarnabhumi Intl. Airport (BKK) is the primary Bangkok gateway for Korean Air flights from San Francisco Intl. Airport (SFO).

On a standard economy flight with Korean Air from SFO to BKK, passengers can bring 2 checked-in bags up to 50 lb with dimensions no larger than 62 inches in total. For carry-on, you can have 1 cabin bag weighing up to 39 lb and measuring less than 21 inches x 15 inches x 7 inches. Size and weight allowances can differ based on your cabin class and fare type. To make sure you don’t get caught with extra charges at the terminal, check your Korean Air booking or look up the airline’s website before loading up your suitcase.

Journey from SFO to BKK with Korean Air and enjoy a host of benefits starting with a 5-star airline rating. When booking through Expedia as a Korean Airlines Skypass and One Key™ member, you could also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee typically applies if you change or cancel your booking more than 24 hours after it’s been confirmed. To find flexible fares, select our “Changes included” and “No cancel fee” boxes while searching for flights. To learn more about canceling or modifying your reservation, visit “Trips,” select your flight and tick “Manage Booking.”