AirHint found the following cheapest return flights from San Francisco (SFO) to Rome (FCO) in October 2025 (see full year).

Return flights

27 Oct - 07 Nov	TAP
20 Oct - 05 Nov	TAP
22 Oct - 12 Nov	TAP
23 Oct - 11 Nov	TAP
14 Oct - 21 Oct	Aer Lingus
28 Oct - 11 Nov	British Airways
26 Oct - 10 Nov	British Airways
07 Oct - 15 Oct	Aer Lingus
07 Oct - 14 Oct	Aer Lingus
06 Oct - 23 Oct	Aer Lingus
29 Oct - 07 Nov	Scandinavian Airlines
12 Oct - 21 Oct	Aer Lingus
05 Oct - 14 Oct	Aer Lingus
29 Oct - 04 Nov	TAP
15 Oct - 22 Oct	Condor
20 Oct - 15 Nov	Scandinavian Airlines
30 Oct - 06 Nov	Scandinavian Airlines
08 Oct - 22 Oct	Condor
21 Oct - 28 Oct	SWISS
21 Oct - 29 Oct	SWISS

Also check the deals for one-way flights from San Francisco to Rome in October.

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 Francisco to Rome in October from 399€

Return flights