Cheapest return flights from Athens to San Jose in December from 736€

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

Return flights

02 Dec - 15 Dec Lufthansa
05 Dec - 12 Dec Lufthansa
06 Dec - 13 Dec Iberia
11 Dec - 27 Dec KLM
09 Dec - 22 Dec SWISS
07 Dec - 13 Dec SWISS
12 Dec - 19 Dec SWISS
15 Dec - 16 Jan Air France
25 Dec - 29 Dec KLM
30 Dec - 06 Jan Aegean Airlines
24 Dec - 05 Jan Transavia France
17 Dec - 18 Dec KLM
25 Dec - 04 Jan arkia

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

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