AirHint found the following cheapest return flights from San Diego (SAN) to Rome (FCO) in July 2025 (see full year).

Return flights

29 Jul - 07 Aug	Spirit Airlines
30 Jul - 06 Aug	Delta
24 Jul - 05 Aug	Frontier Airlines
24 Jul - 31 Jul	Delta
29 Jul - 05 Aug	United
09 Jul - 16 Jul	Spirit Airlines
14 Jul - 24 Jul	Spirit Airlines
08 Jul - 15 Jul	Spirit Airlines
25 Jul - 02 Aug	Air Canada
27 Jul - 03 Aug	United
25 Jul - 01 Aug	United
12 Jul - 19 Jul	Frontier Airlines
22 Jul - 04 Aug	American Airlines

Also check the deals for one-way flights from San Diego to Rome in July.

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 Diego to Rome in July from $777

Return flights