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

Return flights

15 Sep - 25 Sep	Spirit Airlines
01 Sep - 09 Sep	Delta
03 Sep - 25 Sep	Delta
15 Sep - 22 Sep	Spirit Airlines
10 Sep - 18 Sep	Icelandair
10 Sep - 17 Sep	Icelandair
08 Sep - 17 Sep	Icelandair
23 Sep - 24 Oct	Icelandair
08 Sep - 22 Sep	Icelandair
23 Sep - 17 Oct	Icelandair
21 Sep - 08 Oct	Icelandair
28 Sep - 12 Oct	Icelandair
25 Sep - 15 Oct	Icelandair
25 Sep - 06 Oct	Icelandair
27 Sep - 18 Oct	Icelandair
19 Sep - 26 Sep	Icelandair
14 Sep - 29 Sep	Icelandair
02 Sep - 18 Oct	Icelandair
23 Sep - 01 Oct	Icelandair
26 Sep - 10 Oct	Icelandair

Also check the deals for one-way flights from Oakland 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 Oakland to Rome in September from $725

Return flights