Cheapest return flights from San Francisco to Bangkok in May from 588€

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

Return flights

13 May - 27 May Korean Air
05 May - 14 May Asiana Airlines
18 May - 31 May Singapore Airlines
12 May - 26 May Singapore Airlines
01 May - 08 May STARLUX Airlines
05 May - 07 May Singapore Airlines
06 May - 28 May Delta
04 May - 25 May Delta
14 May - 01 Jun Singapore Airlines
01 May - 22 May STARLUX Airlines
17 May - 31 May EVA Air
25 May - 04 Jun WestJet
23 May - 24 Jun 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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