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

Return flights

30 Jul - 07 Aug	United
29 Jul - 07 Aug	United
15 Jul - 23 Jul	Delta
23 Jul - 30 Jul	United
31 Jul - 06 Aug	United
31 Jul - 07 Aug	United
12 Jul - 25 Jul	Frontier Airlines
14 Jul - 24 Jul	Spirit Airlines
25 Jul - 01 Aug	United
28 Jul - 01 Aug	Spirit Airlines
06 Jul - 13 Jul	Frontier Airlines
29 Jul - 05 Aug	United
07 Jul - 08 Aug	Condor
27 Jul - 02 Aug	Spirit Airlines
07 Jul - 14 Jul	Spirit Airlines
27 Jul - 03 Aug	United
04 Jul - 06 Jul	Alaska 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 667€

Return flights