AirHint found the following cheapest return flights from Oakland (OAK) to Rome (FCO) in May 2026 (see full year).

Return flights

12 May - 22 May	Icelandair
08 May - 18 May	Icelandair
19 May - 06 Jun	Icelandair
09 May - 19 May	Icelandair
08 May - 17 May	Icelandair
26 May - 08 Jun	Icelandair
14 May - 31 May	Icelandair
24 May - 29 May	Icelandair
01 May - 31 May	Icelandair
26 May - 31 May	Icelandair
26 May - 07 Jun	Icelandair
25 May - 06 Jun	Alaska Airlines
22 May - 05 Jun	Icelandair
23 May - 06 Jun	Icelandair
25 May - 08 Jun	Icelandair

Also check the deals for one-way flights from Oakland to Rome in May.

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 May from $835

Return flights