AirHint found the following cheapest return flights from Warsaw (WAW) to San Jose (SJO) in December 2026 (see full year).
Return flights
| 01 Dec - 14 Dec | KLM | ||
| 04 Dec - 16 Dec | Lufthansa | ||
| 07 Dec - 21 Dec | Ryanair | ||
| 04 Dec - 18 Dec | LOT |
Also check the deals for one-way flights from Warsaw to San Jose in December.
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