Which airlines fly direct between Rome and San Francisco?

Airlines operating direct flights include ITA Airways, Ryanair, United Airlines, Alaska Airlines.

What is the cheapest fare for this route?

Recorded one-way fares on Prymeo start from as low as $659 depending on season and advance booking.

Home FlightsRome to San Francisco

Verified Route Guide

Flights from Rome to San Francisco

Q: How long is the flight from Rome to San Francisco?

The average nonstop flight time from Rome (FCO) to San Francisco (SFO) is approximately 12h 30m covering a distance of 10058 km.

Leonardo da Vinci Fiumicino (FCO) → San Francisco International (SFO)

Fares From$659

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Flight Time

12h 30m

Nonstop average

Distance

10058 km

Air route corridor

Best Time to Fly

Year-Round (Best rates booked 3-5 weeks ahead)

Pleasant weather

Extra Fees

$0.00

Zero commission

Route Overview: Rome to San Francisco

Cheap flights from Rome (FCO) to San Francisco (SFO). Compare ITA Airways fares from $659 with 0% fees on Prymeo.

Prymeo aggregates real-time flight availability directly from both low-cost carriers and legacy full-service airlines. When searching for tickets between Leonardo da Vinci Fiumicino and San Francisco International, our technology checks multiple booking systems in parallel so you never miss a flash sale or promotional discount.

Direct Carriers on This Corridor

ITA Airways

Ryanair

United Airlines

Alaska Airlines

Quick Flight Facts & Corridor Specifications

Live Verified Data

Route Corridor	Rome (FCO) to San Francisco (SFO)
Flight Distance	10,058 kilometers / 6,250 miles
Average Flight Duration	12h 30m (nonstop)
Starting Fare	From $659 (0% added booking fees)
Operating Airlines	ITA Airways, Ryanair, United Airlines, Alaska Airlines
Optimal Travel Season	Year-Round (Best rates booked 3-5 weeks ahead)

Return Flight Route

San Francisco (SFO) to Rome (FCO)

Nonstop return tickets from $659 · 0% booking markup

View Return Leg

Frequently Asked Questions About This Route

How long is the flight from Rome to San Francisco?

The nonstop flight takes approximately 12h 30m, traversing 10058 km.

How far in advance should I book my flight?

For the best rates, we recommend booking between 3 to 6 weeks before your desired departure date, particularly during peak summer and holiday seasons.