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

Return flights

17 Aug - 02 Sep	Air Canada
19 Aug - 27 Aug	Air Canada
12 Aug - 19 Aug	United
26 Aug - 02 Sep	United
10 Aug - 22 Aug	Air Canada
10 Aug - 26 Aug	Air Canada
20 Aug - 27 Aug	United
04 Aug - 20 Aug	KLM
13 Aug - 20 Aug	Air France
23 Aug - 05 Sep	Delta
18 Aug - 25 Aug	United
15 Aug - 22 Aug	Air France
24 Aug - 31 Aug	United
31 Aug - 07 Sep	United
29 Aug - 05 Sep	Spirit Airlines
27 Aug - 06 Sep	SWISS
28 Aug - 04 Sep	United

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

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 August from 461€

Return flights