AirHint found the following cheapest return flights from San Francisco (SFO) to Bangkok (BKK) in August 2025 (see full year).

Return flights

11 Aug - 30 Aug	China Eastern
19 Aug - 03 Sep	Air India
17 Aug - 06 Sep	Air India
07 Aug - 28 Aug	China Eastern
21 Aug - 28 Aug	China Eastern
16 Aug - 30 Aug	China Eastern
16 Aug - 05 Sep	China Eastern
23 Aug - 04 Sep	China Eastern
11 Aug - 27 Aug	China Eastern
10 Aug - 30 Aug	Asiana Airlines
13 Aug - 09 Sep	Asiana Airlines
23 Aug - 31 Aug	China Eastern
16 Aug - 21 Aug	China Eastern
14 Aug - 21 Aug	China Eastern
28 Aug - 01 Sep	China Eastern
23 Aug - 06 Sep	China Eastern
18 Aug - 21 Aug	China Eastern
13 Aug - 17 Sep	Air India
16 Aug - 07 Sep	Air India
26 Aug - 30 Sep	Delta

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

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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Cheapest return flights from San Francisco to Bangkok in August from 487€

Return flights