Cheap flights from Rome Fiumicino Airport to San Francisco from $451

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rome Fiumicino Airport to San Francisco departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Rome Fiumicino Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
7:35 pm - 4:05 pmFCO-SFO
29h 30m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 6:45 pmSFO-FCO
17h 10m1 stop
$451TAP AIR PORTUGAL
Find Deal
Thu, Dec 4 - Mon, Dec 8
TAP AIR PORTUGAL Logo
7:35 pm - 4:05 pmFCO-SFO
29h 30m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 6:45 pmSFO-FCO
17h 10m1 stop
$452TAP AIR PORTUGAL
Find Deal
Thu, Dec 4 - Mon, Dec 8
TAP AIR PORTUGAL Logo
7:35 pm - 2:35 pmFCO-SFO
28h 00m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 12:05 amSFO-FCO
22h 30m1 stop
$456TAP AIR PORTUGAL
Find Deal
Sun, Feb 1 - Sat, Feb 28
TAP AIR PORTUGAL Logo
4:40 pm - 2:30 pmFCO-SFO
30h 50m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 6:45 pmSFO-FCO
17h 10m1 stop
$484TAP AIR PORTUGAL
Find Deal
Tue, Feb 17 - Mon, Feb 23
TAP AIR PORTUGAL Logo
4:40 pm - 2:30 pmFCO-SFO
30h 50m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 12:05 amSFO-FCO
22h 30m1 stop
$485TAP AIR PORTUGAL
Find Deal
Tue, Feb 17 - Mon, Feb 23
TAP AIR PORTUGAL Logo
7:35 pm - 2:30 pmFCO-SFO
27h 55m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 6:45 pmSFO-FCO
17h 10m1 stop
$511TAP AIR PORTUGAL
Find Deal
Tue, Jan 13 - Sat, Jan 24
TAP AIR PORTUGAL Logo
4:40 pm - 2:30 pmFCO-SFO
30h 50m1 stop
TAP AIR PORTUGAL Logo
7:10 pm - 12:05 amSFO-FCO
19h 55m1 stop
$512TAP AIR PORTUGAL
Find Deal
Tue, Jan 13 - Fri, Jan 30
TAP AIR PORTUGAL Logo
7:35 pm - 2:35 pmFCO-SFO
28h 00m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 6:45 pmSFO-FCO
17h 10m1 stop
$537TAP AIR PORTUGAL
Find Deal
Sun, Dec 14 - Wed, Dec 31
TAP AIR PORTUGAL Logo
6:00 am - 4:05 pmFCO-SFO
19h 05m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 6:45 pmSFO-FCO
17h 10m1 stop
$540TAP AIR PORTUGAL
Find Deal
Fri, Feb 20 - Sat, Feb 28
TAP AIR PORTUGAL Logo
7:35 pm - 2:35 pmFCO-SFO
28h 00m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 12:05 amSFO-FCO
22h 30m1 stop
$544TAP AIR PORTUGAL
Find Deal
Sun, Dec 14 - Sat, Jan 10

TAP AIR PORTUGAL flights from Rome Fiumicino Airport to San Francisco

Our best TAP AIR PORTUGAL deals on Rome Fiumicino Airport to San Francisco flight tickets
TAP AIR PORTUGAL
Dec 4
FCO7:35 pmRome Fiumicino
29h 30m
1 stop
SFO4:05 pmSan Francisco
Dec 8
SFO4:35 pmSan Francisco
17h 10m
1 stop
FCO6:45 pmRome Fiumicino
TAP AIR PORTUGAL
Dec 4
FCO7:35 pmRome Fiumicino
29h 30m
1 stop
SFO4:05 pmSan Francisco
Dec 8
SFO4:35 pmSan Francisco
17h 10m
1 stop
FCO6:45 pmRome Fiumicino
TAP AIR PORTUGAL
Feb 1
FCO7:35 pmRome Fiumicino
28h 00m
1 stop
SFO2:35 pmSan Francisco
Feb 28
SFO4:35 pmSan Francisco
22h 30m
1 stop
FCO12:05 amRome Fiumicino

Scandinavian Airlines flights from Rome Fiumicino Airport to San Francisco

Our best Scandinavian Airlines deals on Rome Fiumicino Airport to San Francisco flight tickets
Scandinavian Airlines
Dec 14
FCO11:45 amRome Fiumicino
35h 50m
1 stop
SFO2:35 pmSan Francisco
Jan 18
SFO4:40 pmSan Francisco
33h 25m
1 stop
FCO11:05 amRome Fiumicino
Scandinavian Airlines
Jan 14
FCO11:55 amRome Fiumicino
35h 40m
1 stop
SFO2:35 pmSan Francisco
May 19
SFO4:45 pmSan Francisco
16h 50m
1 stop
FCO6:35 pmRome Fiumicino
Scandinavian Airlines
May 7
FCO11:55 amRome Fiumicino
35h 45m
1 stop
SFO2:40 pmSan Francisco
May 11
SFO4:45 pmSan Francisco
16h 50m
1 stop
FCO6:35 pmRome Fiumicino

momondo Fare Finder

 
Customize your flight search to find flights from Rome Fiumicino Airport to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Rome Fiumicino Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 12/4

7:35 pm-4:05 pm

1 stop29h 30m

San Francisco

Mon 12/8

4:35 pm-6:45 pm

1 stop17h 10m

$451

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 12/4

7:35 pm-4:05 pm

1 stop29h 30m

San Francisco

Mon 12/8

4:35 pm-6:45 pm

1 stop17h 10m

$452

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sun 2/1

7:35 pm-2:35 pm

1 stop28h 00m

San Francisco

Sat 2/28

4:35 pm-12:05 am

1 stop22h 30m

$456

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Tue 2/17

4:40 pm-2:30 pm

1 stop30h 50m

San Francisco

Mon 2/23

4:35 pm-6:45 pm

1 stop17h 10m

$484

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Tue 2/17

4:40 pm-2:30 pm

1 stop30h 50m

San Francisco

Mon 2/23

4:35 pm-12:05 am

1 stop22h 30m

$485

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Tue 1/13

7:35 pm-2:30 pm

1 stop27h 55m

San Francisco

Sat 1/24

4:35 pm-6:45 pm

1 stop17h 10m

$511

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Tue 1/13

4:40 pm-2:30 pm

1 stop30h 50m

San Francisco

Fri 1/30

7:10 pm-12:05 am

1 stop19h 55m

$512

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sun 12/14

7:35 pm-2:35 pm

1 stop28h 00m

San Francisco

Wed 12/31

4:35 pm-6:45 pm

1 stop17h 10m

$537

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 2/20

6:00 am-4:05 pm

1 stop19h 05m

San Francisco

Sat 2/28

4:35 pm-6:45 pm

1 stop17h 10m

$540

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sun 12/14

7:35 pm-2:35 pm

1 stop28h 00m

San Francisco

Sat 1/10

4:35 pm-12:05 am

1 stop22h 30m

$544

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Francisco from

How to get the cheapest flight ticket from Rome Fiumicino Airport to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $630.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Rome Fiumicino Airport to San Francisco is on a Monday when prices can be found for as low as $712. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $1,138.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Rome Fiumicino Airport to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $671. Flights in the afternoon are often more expensive with an average ticket price of $865.

What is the cheapest Rome Fiumicino to San Francisco flight route?

Fly from Rome Fiumicino to San Francisco for the best Rome Fiumicino - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Rome Fiumicino Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $732 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Rome Fiumicino Airport for as low as $667 on momondo.

What cabin class options are available on Rome Fiumicino to San Francisco flights?

There are 3 cabin classes available to choose from on Rome Fiumicino to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Rome Fiumicino Airport to San Francisco flight prices changed over time?

As of November 2025, prices for Rome Fiumicino Airport to San Francisco flights are approximately 36% more expensive when compared to flights at the same time last year.

When to book flights from Rome Fiumicino Airport to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Rome Fiumicino Airport to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rome Fiumicino Airport to San Francisco (FCO to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rome Fiumicino Airport to San Francisco

Best Price Found

$691

Fastest flight time

12h 45m

Direct flights

Mon, Tue, Wed, Fri and Sun

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Rome Fiumicino Airport in the past 72 hours is $691. The best round-trip flight deal from Rome Fiumicino Airport to San Francisco found on momondo in the last 72 hours is $689.
The fastest flight from Rome Fiumicino Airport to San Francisco takes 12h 45m
Direct flights go from Rome Fiumicino Airport to San Francisco on Monday, Tuesday, Wednesday, Friday and Sunday. There are no airlines offering direct flights.
There is 1 airport near San Francisco: San Francisco (SFO)
  • How far is Rome Fiumicino to San Francisco by plane?

    San Francisco is 6237.0 mi away from Rome Fiumicino. Typically, this will take 12h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Rome Fiumicino Airport to San Francisco Airport?

    Prices for flights from Rome Fiumicino Airport to San Francisco Airport are updated daily.

  • How many operators does momondo search for flights from Rome Fiumicino Airport to San Francisco Airport?

  • How old do you have to be to fly from Rome Fiumicino Airport to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rome Fiumicino Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Rome Fiumicino Airport to San Francisco?

  • What is the most popular airline from Rome Fiumicino Airport to San Francisco?

Best airlines flying from Rome Fiumicino Airport to San Francisco

Compare and see reviews for airlines that fly from Rome Fiumicino Airport to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $426Free CancellationRating
7.1
2,059 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $565Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $575Free CancellationRating
6.7
1,082 reviews
Search ITA Airways flights
LufthansaPriceFrom $615Free CancellationRating
6.8
7,572 reviews
Search Lufthansa flights
British AirwaysPriceFrom $624Free CancellationRating
6.7
7,517 reviews
Search British Airways flights
  • ITA Airways Flights From Rome Fiumicino Airport to San Francisco

    The lowest priced ITA Airways flight from Rome Fiumicino Airport to San Francisco from the last 72 hours was $575. Generally, ITA Airways has 2 flights on this route every week with an average price of $749. ITA Airways is rated 6.7/10 by our users.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Calistoga
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Vallejo
Walnut Creek
Half Moon Bay
Salinas
Livermore
Turlock
South San Francisco

Why use momondo?

Why should I use momondo to find a flight deal from Rome to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Rome.

Can I find flights from Rome to San Francisco with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Francisco from Rome which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Rome to San Francisco?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Rome to San Francisco.

I’m not ready to book a flight from Rome to San Francisco right now. Can momondo alert me if prices change?

Price alerts on flights to San Francisco from Rome are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/13
Sat 12/20

Find better results for your trip to the United States