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

Return flights

06 Dec - 14 Dec	Ryanair
06 Dec - 15 Dec	Ryanair
31 Dec - 12 Jan	Ryanair
30 Dec - 09 Jan	Ryanair
12 Dec - 27 Dec	Ryanair
26 Dec - 10 Jan	Ryanair
21 Dec - 11 Jan	Ryanair
27 Dec - 31 Dec	Ryanair
30 Dec - 11 Jan	Ryanair
30 Dec - 10 Jan	Ryanair
22 Dec - 30 Dec	Ryanair
28 Dec - 09 Jan	Ryanair
18 Dec - 06 Jan	Ryanair
27 Dec - 09 Jan	Ryanair
21 Dec - 30 Dec	Ryanair
16 Dec - 02 Jan	Ryanair
20 Dec - 30 Dec	Ryanair
20 Dec - 31 Dec	Ryanair
19 Dec - 29 Dec	Ryanair
19 Dec - 30 Dec	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 837€

Return flights