Cheapest one-way flights from San Francisco to Bangkok in September from $310

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

One-Way flights

15 Sep Singapore Airlines
29 Sep Singapore Airlines
21 Sep Singapore Airlines
14 Sep Singapore Airlines
12 Sep Singapore Airlines
26 Sep Asiana Airlines
06 Sep Asiana Airlines
30 Sep Singapore Airlines
16 Sep Singapore Airlines
02 Sep Air India

Also check the deals for return 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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