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

Return flights

08 Sep - 15 Sep	Wizz Air Malta
26 Sep - 01 Oct	Norse Atlantic Airways
03 Sep - 22 Sep	Norse Atlantic Airways
22 Sep - 01 Oct	Norse Atlantic Airways
09 Sep - 20 Sep	Wizz Air Malta
09 Sep - 15 Sep	Wizz Air Malta
12 Sep - 15 Sep	Wizz Air Malta
19 Sep - 01 Oct	Wizz Air Malta
22 Sep - 05 Oct	Norse Atlantic Airways
04 Sep - 09 Sep	Ryanair
03 Sep - 12 Sep	Norse Atlantic Airways
19 Sep - 03 Oct	Iberia
05 Sep - 10 Sep	Ryanair
05 Sep - 12 Sep	Norse Atlantic Airways
02 Sep - 20 Sep	TAP
29 Sep - 08 Oct	United

Also check the deals for one-way flights from Rome to San Jose in September.

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 September from $704

Return flights