$609 Find Cheap Flights from Rome Fiumicino Airport to San Francisco - Compare and Save

Among airlines operating Rome Fiumicino Airport to San Francisco flights:

• Lufthansa: offers extra legroom; offers free seat selection
• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Rome Fiumicino Airport and San Francisco. The airlines offering nonstop flights on this route include:

• ITA Airways
• United Airlines

Flights from Rome Fiumicino Airport to San Francisco usually depart from Rome Fiumicino (FCO) and arrive at San Francisco (SFO).

Here are some options for this route, based on selected ticket types and cabin classes:

• ITA Airways: a cabin bag and a checked bag in Economy Class
• Lufthansa: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Four cabin classes are available on flights from Rome Fiumicino Airport to San Francisco:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $569 round-trip via Washington, D.C. Dulles Intl (IAD), compared to $818 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $75–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 777 family is used most often on this route, operated mainly by Lufthansa and United Airlines. Other aircraft seen on the route include Airbus A330-900neo variants.

One-stop flights from Rome Fiumicino Airport to San Francisco most commonly connect through:

• Frankfurt am Main (FRA) - 29% of one-stop connections
• Lisbon Humberto Delgado (LIS) - 24% of one-stop connections
• London Heathrow (LHR) - 13% of one-stop connections
• Dublin (DUB) - 9% of one-stop connections

Frankfurt am Main (FRA) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 21% on the Rome Fiumicino Airport to San Francisco route. Thursday is the cheapest departure day at $713 round-trip on average, while Sunday is the most expensive at $901, a difference of $188. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Rome Fiumicino Airport to San Francisco route, 27% of flights were delayed in the past 3 months, with delays averaging 2 hours 19 minutes.

Morning is the busiest departure period on Rome Fiumicino Airport to San Francisco flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

These are the earliest and latest flight times available from Rome Fiumicino Airport to San Francisco:

• Earliest: departs at 9:10 am and lands at 10:06 pm
• Latest: departs at 3:40 pm and lands at 4:36 am.

The flight takes about 12h 56m.

Last-minute fares on this route - booked within 2 weeks of departure - run 14% above the route average of $793. Book 26 weeks before departure for the lowest fares.

A nonstop flight from Rome Fiumicino Airport to San Francisco takes 12h 56m, covering 6,246 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Rome Fiumicino Airport to San Francisco are currently higher than usual. Average one-way flight prices are about $879, which is 20% above the typical average for this route.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Seattle/Tacoma Intl (SEA) gives the shortest average 1-stop total travel time at 14h 54m, compared with 15h 18m via Frankfurt am Main (FRA) and 15h 23m via Zurich (ZRH).

San Francisco is 9 hours behind Rome Fiumicino Airport (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:
• Thrifty
• Europcar
• Dollar
• Hertz
• Fox

Round-trip flights from Rome Fiumicino Airport to San Francisco range from $669 to $957, with an average of $793 over the past 12 months. Anything below $669 counts as a good deal.