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Cheap Flights from Rome to San Francisco

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Compare Rome Fiumicino to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

Flight deals from Rome Fiumicino to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Rome Fiumicino to San Francisco International? Find the lowest prices on one-way and return tickets right here.
San Francisco.$746 per passenger.Departing Thu, 28 Aug, returning Tue, 9 Sep.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Rome Fiumicino on Thu, 28 Aug, arriving in San Francisco International.Inbound indirect flight with SWISS, departs from San Francisco International on Tue, 9 Sep, arriving in Rome Fiumicino.Price includes taxes and charges.From $746, select.
San Francisco.$795 per passenger.Departing Thu, 11 Sep, returning Tue, 30 Sep.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Rome Fiumicino on Thu, 11 Sep, arriving in San Francisco International.Inbound indirect flight with SWISS, departs from San Francisco International on Tue, 30 Sep, arriving in Rome Fiumicino.Price includes taxes and charges.From $795, select.
San Francisco.$821 per passenger.Departing Mon, 3 Nov, returning Mon, 10 Nov.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Rome Fiumicino on Mon, 3 Nov, arriving in San Francisco International.Inbound indirect flight with TAP Air Portugal, departs from San Francisco International on Mon, 10 Nov, arriving in Rome Fiumicino.Price includes taxes and charges.From $821, select.
San Francisco.$822 per passenger.Departing Fri, 5 Dec, returning Wed, 10 Dec.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Rome Fiumicino on Fri, 5 Dec, arriving in San Francisco International.Inbound indirect flight with TAP Air Portugal, departs from San Francisco International on Wed, 10 Dec, arriving in Rome Fiumicino.Price includes taxes and charges.From $822, select.
San Francisco.$822 per passenger.Departing Tue, 21 Oct, returning Mon, 27 Oct.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Rome Fiumicino on Tue, 21 Oct, arriving in San Francisco International.Inbound indirect flight with TAP Air Portugal, departs from San Francisco International on Mon, 27 Oct, arriving in Rome Fiumicino.Price includes taxes and charges.From $822, select.
San Francisco.$823 per passenger.Departing Tue, 1 Apr, returning Tue, 8 Apr.Return flight with ITA Airways.Outbound indirect flight with ITA Airways, departs from Rome Fiumicino on Tue, 1 Apr, arriving in San Francisco International.Inbound indirect flight with ITA Airways, departs from San Francisco International on Tue, 8 Apr, arriving in Rome Fiumicino.Price includes taxes and charges.From $823, select.
San Francisco.$825 per passenger.Departing Sat, 3 May, returning Sun, 11 May.Return flight with Finnair.Outbound indirect flight with Finnair, departs from Rome Fiumicino on Sat, 3 May, arriving in San Francisco International.Inbound indirect flight with Finnair, departs from San Francisco International on Sun, 11 May, arriving in Rome Fiumicino.Price includes taxes and charges.From $825, select.
San Francisco.$831 per passenger.Departing Wed, 24 Sep, returning Mon, 6 Oct.Return flight with Finnair.Outbound indirect flight with Finnair, departs from Rome Fiumicino on Wed, 24 Sep, arriving in San Francisco International.Inbound indirect flight with Finnair, departs from San Francisco International on Mon, 6 Oct, arriving in Rome Fiumicino.Price includes taxes and charges.From $831, select.

Find the cheapest month to fly from Rome Fiumicino to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Rome Fiumicino to San Francisco International flights are currently cheapest in September.
Mar
from $848
Apr
from $823
May
from $825
Jun
from $982
Jul
from $1,157
Aug
from $848
Sep
from $795
Oct
from $822
Nov
from $821
Dec
from $822
Jan
from $891
Feb
from $1,014

Direct flights from Rome Fiumicino to San Francisco International

Rome Fiumicino to San Francisco International: Alternative routes

Compare routes from Rome Fiumicino to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Rome to San Francisco: Flight information

The things to know before you go.
Cheapest flight found$746
Cheapest month to flyAugust
Average flight time12 hrs, 48 mins
Most popular airlineUnited
Average flights per week19

Finding cheap flights from Rome Fiumicino to San Francisco International: Frequently asked questions

The best price we found for a return flight from Rome Fiumicino to San Francisco International is $746. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
12 hours and 48 minutes is the average flight time from Rome Fiumicino to San Francisco International.
United, Lufthansa and ITA Airways fly direct from Rome Fiumicino to San Francisco International.
As of March 2025, there are 19 flights per week flying from Rome Fiumicino to San Francisco International.
The cheapest month to fly from Rome Fiumicino to San Francisco International is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Rome Fiumicino Airport to San Francisco International Airport on Thursday, 28 August 2025.
Yes – the average flight time is 12 hours and 48 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, SWISS and ITA Airways offer the cheapest flight tickets to San Francisco International.

Flying from Leonardo da Vinci-Fiumicino Airport (FCO) to San Francisco International Airport (SFO): what you need to know

  • The average duration of a direct flight from Leonardo da Vinci-Fiumicino Airport to San Francisco International Airport is 12 hours 47 minutes. San Francisco's timezone is UTC-7, which makes San Francisco 8 hours behind Rome.

  • Every week, there are 11 flights from Leonardo da Vinci-Fiumicino Airport to San Francisco International Airport. If you'd like to take off early, jump on the 09:10 ITA Airways flight. If you'd rather make the most of your time before flying, the last flight from FCO to SFO is 16:35 with United Airlines.

  • Getting away during a peak month like August? Popular periods (like summer, Christmas and New Year) can easily add another hour at check-in and security. Be extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

  • Getting to San Francisco (and then exploring more of United States!) is simple with ITA Airways. This popular carrier offers direct flights from Leonardo da Vinci-Fiumicino Airport to San Francisco International Airport.

  • We make it a breeze to get a flight with a stopover. To look at the options for flights from Leonardo da Vinci-Fiumicino Airport to San Francisco International Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to tour the city of your choice. Some popular stopovers between FCO and SFO include:

    • Amsterdam Airport Schiphol

    • Franz Josef Strauss Airport

    • Frankfurt Airport

  • Before reserving your cheap ticket from FCO to SFO, check whether you need a visa to enter United States. Visa and travel document requirements may vary and are updated frequently. For the most up-to-date information, contact the nearest consulate or embassy of the country you're flying to.

How to find the cheapest flights from Leonardo da Vinci-Fiumicino Airport (FCO) to San Francisco International Airport (SFO)

  • The best price we've seen for a one-way ticket from Leonardo da Vinci-Fiumicino Airport to San Francisco International Airport is $461. The cheapest price for a return flight is $746. Remember that fares can change due to demand at the time of booking.

  • To snag cheap flight tickets from FCO to SFO, reserve your trip 1 month ahead of your departure.

  • September is the cheapest month for tickets from Leonardo da Vinci-Fiumicino Airport to San Francisco International Airport. If you'd like to fly at a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Snapping up a cheap ticket from FCO to SFO is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when there's a better deal.

  • Use filters to tailor your flights from Leonardo da Vinci-Fiumicino Airport to San Francisco International Airport. Pick your preferred departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to find the best deals.

Handy information about Leonardo da Vinci-Fiumicino Airport (FCO)

  • The journey from central Rome to Leonardo da Vinci-Fiumicino Airport takes approximately 51 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 32 kilometres in 39 minutes or so, depending on traffic.

  • Have an early flight from Leonardo da Vinci-Fiumicino Airport to San Francisco International Airport? Avoid rushing to the airport (and enjoy a little extra shut-eye) by picking one of these hotels close to FCO:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport to the centre of San Francisco is about 20 minutes by car. It's approximately 21 kilometres away. Find out what options are available, such as cabs, car rentals or ride-sharing.

  • Getting to the centre on public transport typically takes 47 minutes.

When to fly to San Francisco International Airport (SFO)

  • The quietest month for a flight from Leonardo da Vinci-Fiumicino Airport to San Francisco International Airport is February, while August is the busiest. Pick the best time to visit San Francisco based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • When reserving your flight from Leonardo da Vinci-Fiumicino Airport to San Francisco International Airport, think about the kind of weather you enjoy. September is the warmest month in San Francisco, with the temperature ranging from 12ºC to 22ºC.

  • January sees average temperatures of between 6ºC and 16ºC. Search for cheap flight tickets from FCO to SFO around that time if you want to travel when it's cooler.

More about San Francisco

  • After locking in your flights from FCO to SFO, you'll want to find a hotel in San Francisco. Make one of these accommodation options your base for exploring this popular destination:

  • Golden Gate Bridge and Alcatraz Island are just two of the popular attractions to put on your San Francisco to-do list. Keep the sightseeing going at Lombard Street.

Complete your San Francisco trip with hotels and a car rental

  • Comparing flights is not the only thing we do. Once you've booked your cheap ticket to San Francisco International Airport, browse our great car rental offers that'll give you the freedom and flexibility to travel around at your own pace. Next, take a look at our exclusive rates for hotels to find your ideal San Francisco stay.

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Plan the rest of your trip from Rome to San Francisco

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.