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

Return flights

16 Dec - 08 Jan	Transavia France
15 Dec - 29 Dec	Air Transat
11 Dec - 13 Jan	FrenchBee
24 Dec - 12 Jan	FrenchBee
25 Dec - 29 Jan	Iberia
15 Dec - 07 Jan	Ryanair
30 Dec - 29 Jan	Delta
30 Dec - 16 Jan	Ryanair
30 Dec - 30 Jan	Azores Airlines
26 Dec - 29 Jan	United
29 Dec - 12 Jan	Ryanair
23 Dec - 30 Dec	Lufthansa
15 Dec - 30 Dec	Ryanair
16 Dec - 26 Dec	KLM
16 Dec - 23 Dec	Transavia France
24 Dec - 30 Dec	Iberia
12 Dec - 19 Dec	KLM
23 Dec - 30 Dec	Air France	direct
11 Dec - 15 Dec	Air France	direct
14 Dec - 21 Dec	KLM

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 $960

Return flights