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

Return flights

01 Dec - 08 Dec	KLM
08 Dec - 29 Dec	KLM
08 Dec - 29 Dec	Air France	direct
03 Dec - 10 Dec	Air France	direct
04 Dec - 15 Dec	Air Transat
12 Dec - 02 Jan	Air France	direct
04 Dec - 15 Dec	Air France	direct
13 Dec - 01 Jan	Air France	direct
21 Dec - 03 Jan	KLM
24 Dec - 29 Dec	KLM
22 Dec - 04 Jan	KLM
19 Dec - 04 Jan	KLM
19 Dec - 02 Jan	KLM
21 Dec - 02 Jan	KLM
04 Dec - 16 Dec	Air France	direct
21 Dec - 03 Jan	Air France	direct
24 Dec - 29 Dec	Air France	direct
25 Dec - 04 Jan	Air France	direct
22 Dec - 04 Jan	Air France	direct

Also check the deals for one-way flights from San Jose to Paris 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 San Jose to Paris in December from 848€

Return flights