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

Return flights

03 Dec - 13 Dec	Wizz Air
12 Dec - 28 Dec	Norse Atlantic Airways
08 Dec - 15 Dec	Norse Atlantic Airways
04 Dec - 08 Dec	SWISS
08 Dec - 06 Jan	Norse Atlantic Airways
07 Dec - 14 Dec	United
05 Dec - 07 Dec	United
12 Dec - 27 Dec	Norse Atlantic Airways
31 Dec - 10 Jan	Air Serbia
29 Dec - 10 Jan	Air Serbia
16 Dec - 30 Dec	Wizz Air Malta
08 Dec - 22 Dec	Norse Atlantic Airways
07 Dec - 22 Dec	Air France
31 Dec - 11 Jan	Air Serbia
26 Dec - 10 Jan	Ryanair
17 Dec - 10 Jan	Wizz Air Malta
27 Dec - 10 Jan	Ryanair
28 Dec - 11 Jan	TAP
28 Dec - 08 Jan	Ryanair
26 Dec - 09 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 737€

Return flights