Rome to San Francisco (FCO–SFO) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
FCO–SFO is served by 3 airlines with nonstop service. ITA Airways, United Airlines and ITY lead the route. The flight covers 6,250 miles in approximately 12h 45m. Beyond nonstop, 41 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AZ ITA Airways | 7 | 339 | 12h55 | – | SkyTeam | – |
| UA United Airlines | 7 | 777 | 12h45 | – | Star Alliance | – |
| ITY ITY | 1 | 339 | 13h07 | – | SkyTeam | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
FCO: CET · SFO: PDT
When it's 6:00 PM in Rome, it's 10:00 AM in San Francisco.
Italian passport holders enter the US under the Visa Waiver Program (VWP) for stays up to 90 days. An approved ESTA (Electronic System for Travel Authorization) is required before boarding and costs USD 21. ESTA approval is valid for 2 years or until the passport expires, whichever comes first. Stays cannot be extended beyond 90 days under the VWP. The passport must be machine-readable and include an electronic chip.
Leonardo Express non-stop train runs from Roma Termini to FCO in 32 minutes (€14, no stops). Regional trains (FL1 line) make stops including Trastevere, Ostiense, Tuscolana, and Tiburtina; slower (45–55 min) but cheaper (€8) and useful if you're not near Termini. Trains run every 15 minutes from Termini and every 30 minutes for regional services.Taxis from central Rome have a fixed fare: €50 (within the Aurelian Walls), €55–60 for outer neighborhoods. The fixed rate is mandatory; insist if the driver tries to use a meter. Ride-hail apps (Uber Black, itTaxi) are available but pricier than taxis on this route.
BART from SFO station (free AirTrain from any terminal to the station) to downtown San Francisco takes 30–40 minutes ($10.45 to Embarcadero). Traffic on 101 can make taxis and ride-hails much slower during peak hours; BART skips all of that. BART also reaches Oakland, Berkeley, and Millbrae for Caltrain connections.Ride-hails from SFO use a dedicated garage pickup area; follow signs. Taxis are metered; downtown SF costs $40–60. Caltrain to the Peninsula (Mountain View, Palo Alto, San Jose) requires taking BART to Millbrae station for the transfer. Rental cars are at a consolidated facility accessible by AirTrain.
Coastal fog dominates the climate pattern. The thick marine layer ("Karl the Fog") rolls into SFO from the Pacific regularly in summer (June–September), causing significant low-visibility delays even on days that appear sunny inland. Morning fog burns off by afternoon most days, but persistent IFR conditions can last all day. This is the primary flight disruption risk at SFO.
Temperatures are mild year-round (10–20°C) with little seasonal variation. Winters bring rain (December–March) and occasional atmospheric river events that cause brief but intense flooding on the 101. Summers are cool. Pack a light jacket year-round. Wind off the bay affects small aircraft approach paths.
FCO–SFO Quick Facts
Frequently Asked Questions
Flights from FCO to SFO
Rome–Fiumicino Leonardo da Vinci International Airport (FCO) and San Francisco International Airport (SFO) are connected by nonstop service from ITA Airways, ITY and United Airlines. With 15 weekly departures, this is a well served route.
FCO to SFO Flight Duration and Schedule
Nonstop flight time from FCO to SFO ranges from 12 hours 45 minutes to 13 hours 7 minutes. The route covers a distance of 6,250 miles (10,058 km). There are approximately 15 weekly flights outbound and 15 return, totaling 30 flights per week in both directions.
Connecting Options and Alternatives
41 one-stop connections are available, with the fastest taking approximately 13 hours via SEA. Two-stop connections are also available via intermediate hubs.