Cheapest return flights from Athens to San Jose in December from $892

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

Return flights

01 Dec - 08 Dec Lufthansa
03 Dec - 14 Dec Ryanair
31 Dec - 09 Jan Wizz Air UK
30 Dec - 08 Jan Ryanair
29 Dec - 08 Jan Air Serbia
31 Dec - 08 Jan Aegean Airlines
26 Dec - 06 Jan Aegean Airlines
29 Dec - 02 Jan Iberia
25 Dec - 04 Jan Aegean Airlines
23 Dec - 03 Jan Ryanair
12 Dec - 05 Jan KLM
11 Dec - 04 Jan KLM

Also check the deals for one-way flights from Athens 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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