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

Return flights

16 Dec - 13 Jan	Wizz Air Malta
15 Dec - 26 Dec	KLM
26 Dec - 29 Jan	Iberia
16 Dec - 17 Jan	Wizz Air Malta
10 Dec - 24 Dec	Delta
31 Dec - 13 Jan	WestJet
28 Dec - 12 Jan	Transavia France
23 Dec - 31 Dec	SWISS
16 Dec - 08 Jan	Vueling Airlines
15 Dec - 07 Jan	Transavia France
23 Dec - 29 Dec	SWISS
12 Dec - 25 Dec	Air Transat
10 Dec - 21 Dec	Air Transat
10 Dec - 17 Dec	KLM
10 Dec - 17 Dec	Air France	direct
29 Dec - 12 Jan	Ryanair
15 Dec - 29 Dec	KLM
15 Dec - 31 Dec	Air France	direct
15 Dec - 13 Jan	Delta
24 Dec - 09 Jan	easyJet

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 857€

Return flights