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

Return flights

28 Dec - 22 Jan	Ryanair
29 Dec - 22 Jan	Ryanair
17 Dec - 14 Jan	Ryanair
31 Dec - 11 Jan	Ryanair
17 Dec - 10 Jan	Ryanair
31 Dec - 12 Jan	Ryanair
28 Dec - 09 Jan	Ryanair
30 Dec - 11 Jan	Ryanair
02 Dec - 08 Dec	Ryanair
31 Dec - 10 Jan	Ryanair
30 Dec - 10 Jan	Ryanair
05 Dec - 12 Dec	Ryanair
19 Dec - 29 Dec	Ryanair
19 Dec - 31 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 1091€

Return flights