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

Return flights

06 Sep - 13 Sep	Spirit Airlines
03 Sep - 10 Sep	Spirit Airlines
28 Sep - 27 Oct	United
29 Sep - 27 Oct	Air France
17 Sep - 01 Oct	Air France
22 Sep - 05 Oct	Air France
20 Sep - 26 Sep	Alaska Airlines
20 Sep - 28 Sep	Air France
28 Sep - 26 Oct	Air Canada
18 Sep - 29 Sep	Air France
04 Sep - 25 Sep	Air France
13 Sep - 28 Sep	Air France
06 Sep - 09 Sep	Air France
12 Sep - 21 Sep	Air France
11 Sep - 11 Oct	Air France

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

Book a cheap hotel in Rome

Cheap car rent in Rome

Cheapest return flights from San Jose to Rome in September from 665€

Return flights