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

Return flights

25 Aug - 08 Sep	Air Canada
10 Aug - 26 Aug	Air Canada
13 Aug - 27 Aug	Air Canada
20 Aug - 27 Aug	United
18 Aug - 26 Aug	United
12 Aug - 19 Aug	United
18 Aug - 25 Aug	KLM
11 Aug - 30 Aug	Air Canada
22 Aug - 29 Aug	United
14 Aug - 21 Aug	United
24 Aug - 31 Aug	United
27 Aug - 06 Sep	British Airways
22 Aug - 06 Sep	United
28 Aug - 07 Sep	British Airways
27 Aug - 07 Sep	United
30 Aug - 06 Sep	United
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 $543

Return flights