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

Return flights

04 Dec - 08 Dec	Vueling Airlines
04 Dec - 12 Dec	FrenchBee
06 Dec - 16 Dec	jetBlue
02 Dec - 16 Dec	FrenchBee
01 Dec - 10 Dec	Scandinavian Airlines
30 Dec - 16 Jan	Avianca
03 Dec - 12 Dec	Avianca
01 Dec - 12 Dec	Avianca
06 Dec - 19 Dec	Avianca
07 Dec - 19 Dec	Avianca
06 Dec - 22 Dec	Avianca
30 Dec - 09 Jan	Air Canada
30 Dec - 11 Jan	Air Canada
30 Dec - 06 Jan	Air Canada
16 Dec - 12 Jan	Air Canada
29 Dec - 11 Jan	Air Canada
28 Dec - 18 Jan	Avianca
14 Dec - 06 Jan	Air Canada
27 Dec - 17 Jan	Avianca
25 Dec - 13 Jan	Air Canada

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

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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Cheapest return flights from Paris to San Jose in December from 670€

Return flights