Cheapest return flights from San Francisco to Bangkok in December from 790€

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

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

Return flights

03 Dec - 24 Dec Cathay Pacific
29 Dec - 12 Jan Singapore Airlines
28 Dec - 15 Jan Singapore Airlines
14 Dec - 09 Jan Singapore Airlines
19 Dec - 31 Dec Singapore Airlines
20 Dec - 10 Jan Asiana Airlines
20 Dec - 31 Dec Thai Airways
20 Dec - 02 Jan Air Canada
19 Dec - 02 Jan STARLUX Airlines
22 Dec - 02 Jan Delta

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

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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