Cheapest return flights from San Francisco to Bangkok in September from 557€

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

Return flights

15 Sep - 22 Sep China Eastern
15 Sep - 01 Oct China Eastern
13 Sep - 20 Sep Philippine Airlines
19 Sep - 28 Sep China Southern
10 Sep - 27 Sep Philippine Airlines
14 Sep - 24 Sep Philippine Airlines
29 Sep - 15 Oct Philippine Airlines
11 Sep - 18 Sep Philippine Airlines
17 Sep - 24 Sep Philippine Airlines
23 Sep - 23 Oct China Southern
18 Sep - 23 Sep Philippine Airlines
29 Sep - 27 Oct Philippine Airlines
23 Sep - 30 Sep Philippine Airlines
11 Sep - 14 Sep Philippine Airlines
25 Sep - 06 Oct Philippine Airlines
23 Sep - 08 Oct Philippine Airlines
25 Sep - 16 Oct Philippine Airlines
12 Sep - 03 Oct China Southern
26 Sep - 06 Oct Philippine Airlines
26 Sep - 03 Oct Philippine 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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Feel free to contact us with any feedback or request another flight research.