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

Return flights

31 Dec - 22 Jan	Delta
31 Dec - 09 Jan	Delta
28 Dec - 14 Jan	Delta
10 Dec - 25 Dec	Air Transat
05 Dec - 15 Dec	SWISS
07 Dec - 19 Dec	SWISS
05 Dec - 19 Dec	SWISS
06 Dec - 13 Dec	United
07 Dec - 13 Dec	United
09 Dec - 21 Dec	United
29 Dec - 18 Jan	United
10 Dec - 18 Dec	Air Canada
30 Dec - 13 Jan	Lufthansa
05 Dec - 20 Dec	SWISS
06 Dec - 20 Dec	Avianca
31 Dec - 10 Jan	United
29 Dec - 18 Jan	Air France	direct
30 Dec - 13 Jan	Air France	direct
28 Dec - 14 Jan	Air France	direct
31 Dec - 21 Jan	Air France	direct

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 1172CAD

Return flights