Cheapest return flights from San Jose to Bangkok in December from $1394

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

Return flights

07 Dec - 14 Dec Spirit Airlines
28 Dec - 15 Jan Avianca
27 Dec - 19 Jan Alaska Airlines
28 Dec - 14 Jan Avianca
28 Dec - 12 Jan Avianca
28 Dec - 13 Jan Avianca
13 Dec - 20 Dec Lufthansa
02 Dec - 12 Dec Air France
28 Dec - 09 Jan Alaska Airlines
09 Dec - 12 Dec Qatar Airways
26 Dec - 04 Jan SWISS
20 Dec - 06 Jan Avianca
19 Dec - 31 Dec Alaska Airlines
05 Dec - 07 Dec Air France
12 Dec - 19 Dec Qatar Airways
19 Dec - 26 Jan Air France
27 Dec - 02 Jan Qatar Airways

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

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