Flights San Francisco → Rome — September 12, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Saturday, September 12, 2026 on the San Francisco–Rome route: 3 stops itinerary (4 flights) via Denver International (DEN) and Los Angeles International (LAX) and Lisbon (LIS), from San Francisco International (SFO) to Rome Fiumicino (FCO), first flight Frontier Airlines F91230, departs 6:04 AM, arrives 1:00 AM 3 days later, total travel time 57h 56m including layovers, flight time 19h 16m (layovers excluded), $682 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 10, 2026 and read by AirSource on September 10, 2026, 20:48 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: ITA Airways AZ641, from San Francisco International (SFO) to Rome Fiumicino (FCO), departs 3:15 PM, arrives 12:15 PM the next day, direct, 12h, $902 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable.