Cheapest return flights from San Francisco to Bangkok in May from $711

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

Return flights

13 May - 17 May Air India
01 May - 30 May Air India
07 May - 14 May Korean Air
20 May - 02 Jun China Airlines
14 May - 24 May Korean Air
20 May - 30 May Air India
15 May - 22 May Korean Air
13 May - 20 May Delta
23 May - 29 May Korean Air

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

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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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