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

Return flights

26 Sep - 02 Oct	Spirit Airlines
19 Sep - 26 Sep	Spirit Airlines
26 Sep - 09 Oct	Spirit Airlines
19 Sep - 22 Sep	Spirit Airlines
01 Sep - 12 Sep	Spirit Airlines
15 Sep - 25 Oct	Spirit Airlines
15 Sep - 26 Oct	Air France

Also check the deals for one-way flights from San Antonio 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.

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Cheapest return flights from San Antonio to Rome in September from 492€

Return flights