Cheapest return flights from Frankfurt to San Jose in December from 541€

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

Return flights

09 Dec - 24 Dec Air Canada
02 Dec - 25 Dec SWISS
02 Dec - 23 Dec SWISS
11 Dec - 24 Dec Air Canada
08 Dec - 26 Dec Air Canada
01 Dec - 08 Dec Air Canada
04 Dec - 08 Dec Air Canada
11 Dec - 16 Jan Air Canada
06 Dec - 27 Jan Air Canada
02 Dec - 10 Dec Air Canada
08 Dec - 24 Dec KLM
04 Dec - 24 Jan Air Canada
01 Dec - 23 Dec Lufthansa
11 Dec - 13 Jan Air Canada
31 Dec - 17 Jan United
03 Dec - 11 Jan United
31 Dec - 30 Jan KLM
29 Dec - 14 Jan United
24 Dec - 16 Jan United
31 Dec - 13 Jan United

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

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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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