Cheapest return flights from San Jose to Frankfurt in December from 744€

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

Return flights

14 Dec - 31 Dec Air France
12 Dec - 31 Dec Air France
09 Dec - 13 Jan Air France
13 Dec - 01 Jan KLM
12 Dec - 01 Jan KLM
01 Dec - 10 Dec KLM
02 Dec - 11 Dec Air France
13 Dec - 30 Dec KLM
13 Dec - 25 Dec KLM
09 Dec - 12 Jan Air France
12 Dec - 30 Dec KLM
16 Dec - 01 Jan KLM
29 Dec - 08 Jan KLM
02 Dec - 23 Dec KLM
22 Dec - 02 Jan KLM
15 Dec - 07 Jan Air France
23 Dec - 02 Jan Air France
30 Dec - 31 Jan KLM
01 Dec - 22 Dec KLM
11 Dec - 22 Dec KLM

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

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