Cheapest return flights from San Francisco to Bangkok in April from $549

AirHint found the following cheapest return flights from San Francisco (SFO) to Bangkok (BKK) in April 2026 (see full year).

Return flights

06 Apr - 20 Apr Singapore Airlines
14 Apr - 19 May Singapore Airlines
21 Apr - 28 Apr Singapore Airlines
10 Apr - 19 Apr Singapore Airlines
13 Apr - 14 May Singapore Airlines
28 Apr - 05 May Singapore Airlines
13 Apr - 23 Apr Singapore Airlines
28 Apr - 11 May Singapore Airlines
16 Apr - 26 Apr Singapore Airlines
09 Apr - 20 Apr Air India
02 Apr - 20 Apr Air India
08 Apr - 15 Apr Air India
01 Apr - 20 Apr Air India
08 Apr - 20 Apr Air India
24 Apr - 01 May Air India
20 Apr - 01 May Singapore Airlines
21 Apr - 06 May Korean Air
01 Apr - 31 May Air India
29 Apr - 06 May Korean Air

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

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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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