Cheapest return ATH–SJO flights, December

AirHint found the following cheapest return flights from Athens (ATH) to San Jose (SJO) in December 2026 (see full year).

Return flights

25 Dec - 10 Jan Vueling Airlines
14 Dec - 21 Dec SWISS
19 Dec - 08 Jan Ryanair

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

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