Cheapest return flights from San Francisco to Bangkok in September from 539€

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

Return flights

14 Sep - 21 Sep Air India
06 Sep - 22 Sep Air India
08 Sep - 22 Sep Air India
08 Sep - 15 Sep Air India
02 Sep - 09 Sep Air India
03 Sep - 10 Sep Air India
17 Sep - 24 Sep Air India
04 Sep - 11 Sep Air India
09 Sep - 23 Sep Air India
02 Sep - 16 Sep Air India
26 Sep - 06 Oct Air India
14 Sep - 07 Oct Air India
03 Sep - 03 Oct Air India
22 Sep - 10 Oct Singapore Airlines
29 Sep - 09 Oct Singapore Airlines
30 Sep - 07 Oct Singapore Airlines
29 Sep - 10 Oct Singapore Airlines
29 Sep - 07 Oct Singapore Airlines
30 Sep - 14 Oct Singapore Airlines
17 Sep - 01 Oct Singapore Airlines

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

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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