Cheap flights from Rome to San Francisco International

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Flight deals from Rome to San Francisco International

Looking for a cheap last-minute deal or the best round-trip flight from Rome to San Francisco International? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Rome 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 to San Francisco International flights are currently cheapest in September.

Direct flights from Rome to San Francisco International

Rome to San Francisco International: Alternative routes

Compare routes from Rome 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$427
Cheapest month to flySeptember
Average flight time12 hrs, 53 mins
Most popular airlineUnited
Average flights per week21

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

The best price we found for a round-trip flight from Rome to San Francisco International is $427. 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 53 minutes is the average flight time from Rome to San Francisco International.
United, Lufthansa and Etihad Airways fly direct from Rome to San Francisco International.
There are 21 flights per week flying from Rome to San Francisco International, as of June 2025.
The cheapest month to fly from Rome to San Francisco International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Rome to San Francisco International Airport on Wednesday, September 3, 2025.
Yes – the average flight time is 12 hours and 53 minutes.
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.

Traveling from Rome to San Francisco International Airport (SFO): What you need to know

  • Rome is home to two main airports where you can kick off your trip. Check out your options for reserving a flight from Rome to San Francisco International Airport (SFO) taking off from Leonardo da Vinci-Fiumicino Airport (FCO) or Ciampino-G. B. Pastine International Airport (CIA).

  • Around 12 hours 50 minutes is how long you can expect to be in the air on a direct Rome to San Francisco International Airport flight.

  • San Francisco is eight hours behind Rome. San Francisco International Airport is located in San Francisco, which is in the UTC-7 timezone.

  • Take your pick of 8 direct flights every week between Leonardo da Vinci-Fiumicino Airport (FCO) and San Francisco International Airport (SFO). This is the most popular route, with ITA Airways offering a 9:10am departure from FCO to SFO.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your flight from Rome to SFO.

  • If you're taking off during a public holiday or other peak period, give yourself more time. Get there two hours before domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

Airports in Rome

Leonardo da Vinci-Fiumicino Airport (FCO)

  • Leonardo da Vinci-Fiumicino Airport (FCO) provides a hassle-free way to reach your destination. Nonstop flights from Rome to San Francisco International Airport (SFO) take off from this terminal.

  • When jetting out of FCO, you can take a direct flight from Rome to San Francisco International Airport with ITA Airways.

  • The majority of travelers prefer to fly with ITA Airways between FCO and SFO.

  • Among carriers on this route, ITA Airways has the highest percentage of on-time landings.

  • We make it easy to book cheap flights from Rome to SFO that include a stopover. To explore all the options leaving from Leonardo da Vinci-Fiumicino Airport (FCO), uncheck 'Direct flights only.' Then, simply choose a flight offering a stop long enough to tour your chosen city. Some popular stopovers between FCO and SFO include:

    • Amsterdam Airport Schiphol (AMS)

    • Frankfurt Airport (FRA)

    • Franz Josef Strauss Airport (MUC)

  • FCO is around 32 kilometers from central Rome. If you're catching a cab, ride-sharing or driving from the center, it'll take 40 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 50 minutes.

  • Want a leisurely start to your vacation? Stay near Leonardo da Vinci-Fiumicino Airport. Whether you're boarding an early flight from Rome to San Francisco International Airport or prefer not to feel hurried, these hotels have you covered:

  • When it comes to the on-time performance of Leonardo da Vinci-Fiumicino Airport, 70.57% of flights stick to their scheduled arrival time.

Ciampino-G. B. Pastine International Airport (CIA)

  • CIA is around 18 kilometers from central Rome. It'll take 40 minutes or so to get to the airport if you're driving from the city center. Public transport takes roughly 1 hour 40 minutes.

  • Want to treat yourself to an extra night away before catching your Rome to SFO flight? Relax in a hotel near Ciampino-G. B. Pastine International Airport before your trip officially begins. These stays are calling your name:

  • Ciampino-G. B. Pastine International Airport has an on-time performance rate of 73.18%. This figure reflects how frequently flights that leave from this airport arrive on schedule.

About San Francisco International Airport (SFO)

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

  • Central San Francisco is around 18 kilometers from San Francisco International Airport. Travel times by car rental or cab will vary depending on time of day, so do some research ahead of your trip.

  • If you're using public transport, expect a journey of about 45 minutes.

How to find the cheapest flights from Rome to San Francisco International Airport (SFO)

  • $256 is currently the best price for a one-way ticket from Rome to San Francisco International Airport. Return flights start from $427. These prices can change based on demand and availability.

  • Book four months before you want to travel. Pricing trends suggest that this is the ideal window for finding cheap flights from Rome to SFO.

  • The best month for scoring cheap Rome to San Francisco International Airport tickets is September. Use the 'Whole month' tool to compare prices, then choose the dates that offer the lowest fares.

  • Save time looking for cheap plane tickets from Rome to SFO by setting up a Price Alert. We'll send you an email or notification on the app when prices go down.

  • Tailor your travel plans using filters. Select your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Rome to San Francisco International Airport.

The best time to fly from Rome to San Francisco International Airport (SFO)

  • February is the quietest month for flights from Rome to San Francisco International Airport (SFO), while August is the busiest. Work out the ideal time to visit San Francisco based on whether you want a bustling atmosphere or a more laid-back vibe.

  • Book a Rome to SFO plane ticket departing in September if you're eager to visit the city during its warmest month. Expect temperatures in San Francisco to range from 12ºC (54ºF) to 22ºC (72ºF).

  • If you like cooler conditions, search for a cheap ticket from Rome to San Francisco International Airport in January when temperatures are between 6ºC (43ºF) and 16ºC (61ºF).

More about San Francisco

Explore more of the United States

  • Fresno is just one of the many places in the United States waiting to be explored after you've seen San Francisco. Around 257 kilometers away to the east, well-known attractions include Forestiere Underground Gardens, Shinzen Japanese Garden and Fresno Chaffee Zoo.

  • Sacramento is another well-known destination in the United States and is around 129 kilometers north-east of San Francisco. No journey is complete without seeing Old Sacramento Waterfront, Fright Planet - America's Haunted Theme Park and California State Railroad Museum.

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