Find cheap airlines flights from Rome to San Francisco

Choose from 5 carriers that fly from Rome to San Francisco, including Turkish Airlines, ITA Airways, and British Airways. Enjoy the cheapest tickets on this route with ITA Airways.

Book direct flights from Rome to San Francisco: One way flights from $862, round trip flights from $751. Find flight deals for the next 3 months below.

Displayed flight fares from Rome to San Francisco are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Rome to San Francisco

The distance between Rome and San Francisco is approximately 10,060.57 km. It takes around 13 hours 1 minute on average to fly from Rome to San Francisco. Based on Trip.com's data travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight price$393
Cheapest round-trip ticket price$461
Off-season for travelSeptember
Peak season for travelJuly
Flight distance10,060.57 km
Average flight time13 hours 1 minute
Popular airlineTurkish Airlines

When is the cheapest time to fly from Rome to San Francisco?

The cheapest time for Rome to San Francisco flights: Jan 11 to Jan 18 — one way flight prices from $339.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Rome to San Francisco, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Rome to San Francisco (ROM-SFO)?

    Based on Trip.com data, Norse Atlantic Airways offers one-way fares as low as $393 on Cheapest nonstop routes (e.g. FCO to SFO on Sun, Jan 11), while TAP Air Portugal offers Cheapest nonstop round-trips from $461 departing on Fri, Jan 16 and returning on Fri, Jan 23.
  • At the moment, you can catch a nonstop flight from Rome to San Francisco with the following airlines, including: ITA Airways United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 13 hours 1 minute to fly from Rome (ROM) to San Francisco (SFO).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Rome to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 2 flight per week flying from Rome to San Francisco. You can check the weekly schedule for popular airlines on this route below: ITA Airways: -/-/-/W/-/F/- -- AZ640 (09:24)
  • To find best deals on flights from Rome to San Francisco, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Jan 11, with one-way flights priced at just $393.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is ITA Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Rome to San Francisco is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Rome to San Francisco on December 12, 2025 with Norse Atlantic Airways, with prices starting at $289.
  • You can land at any one of the following hubs in San Francisco, with Rome Fiumicino Airport to San Francisco International Airport (FCO-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).
  • The time difference between San Francisco and Rome is 9h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.