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

Return flights

11 Dec - 08 Jan	FrenchBee
04 Dec - 13 Dec	FrenchBee
04 Dec - 08 Dec	easyJet
05 Dec - 12 Dec	easyJet
06 Dec - 13 Dec	FrenchBee
04 Dec - 11 Dec	FrenchBee
04 Dec - 15 Dec	easyJet
03 Dec - 10 Dec	easyJet
12 Dec - 30 Dec	Ryanair
08 Dec - 08 Jan	Ryanair
04 Dec - 14 Dec	FrenchBee
10 Dec - 25 Dec	Delta
15 Dec - 08 Jan	Transavia France
15 Dec - 10 Jan	Ryanair
31 Dec - 17 Jan	Ryanair
30 Dec - 10 Jan	Ryanair
28 Dec - 11 Jan	Air Canada
28 Dec - 18 Jan	Air Canada
28 Dec - 25 Jan	Air Canada
16 Dec - 09 Jan	Vueling Airlines

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 655€

Return flights