Cheapest return flights from San Francisco to Bangkok in April from $647

AirHint found the following cheapest return flights from San Francisco (SFO) to Bangkok (BKK) in April 2026 (see full year).

Return flights

15 Apr - 25 Apr Philippine Airlines
06 Apr - 15 Apr Asiana Airlines
10 Apr - 01 May Philippine Airlines
08 Apr - 30 Apr Philippine Airlines
09 Apr - 30 Apr Philippine Airlines
03 Apr - 07 Apr Korean Air

Also check the deals for one-way flights from San Francisco to Bangkok in April.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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