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

Return flights

08 Dec - 09 Jan	Norse Atlantic Airways
08 Dec - 14 Dec	Norse Atlantic Airways
03 Dec - 10 Dec	Norse Atlantic Airways
16 Dec - 10 Jan	Norse Atlantic Airways
01 Dec - 10 Dec	Ryanair
04 Dec - 11 Dec	United
16 Dec - 30 Dec	Norse Atlantic Airways
14 Dec - 31 Dec	Norse Atlantic Airways
06 Dec - 16 Dec	Air France
12 Dec - 28 Dec	KLM
12 Dec - 27 Dec	KLM
08 Dec - 22 Dec	KLM
31 Dec - 10 Jan	Wizz Air Malta
28 Dec - 08 Jan	Ryanair
28 Dec - 14 Jan	Ryanair
27 Dec - 08 Jan	Ryanair
31 Dec - 07 Jan	Turkish Airlines
28 Dec - 11 Jan	Wizz Air Malta
27 Dec - 13 Jan	Ryanair
27 Dec - 11 Jan	Ryanair

Also check the deals for one-way flights from Rome 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 Rome to San Jose in December from 582€

Return flights