Cheapest return flights from Bangkok to San Francisco in May from $635

Best time to book flights for Bangkok (BKK) to San Francisco (SFO) flights at AirHint

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

Return flights

01 May - 09 May Philippine Airlines
01 May - 14 May Philippine Airlines
02 May - 10 May Philippine Airlines
02 May - 15 May Philippine Airlines
06 May - 15 May Philippine Airlines
22 May - 27 May Philippine Airlines
23 May - 30 May Asiana Airlines
10 May - 19 May Delta
10 May - 20 May Delta
12 May - 27 May Delta
31 May - 14 Jun Delta
24 May - 07 Jun Delta

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

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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