Which layover airport offers the lowest fares from Rome Fiumicino Airport to San Francisco?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $472.

Which layover airport has the shortest travel time from Rome Fiumicino Airport to San Francisco?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 15h 10m.

Which layover airport has the shortest connection time from Rome Fiumicino Airport to San Francisco?

London (LHR) has the shortest average layover time for this route: 1h 30m.

Which airline has the best punctuality record on Rome to San Francisco flights?

According to our data, Lufthansa have had the least number of delays on this route over the last 12 months; with about 22% of their flights experiencing any sort of delay.

What is the most punctual flight time for Rome to San Francisco flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What airlines fly to San Francisco?

United Airlines, ITA Airways and British Airways are the top three most popular airlines that fly to San Francisco from Rome Fiumicino Airport according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 5 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airport is the most popular layover for flights between Rome Fiumicino Airport and San Francisco?

Frankfurt am Main (FRA) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Rome Fiumicino to San Francisco?

British Airways, TAP AIR PORTUGAL, and Scandinavian Airlines are the most popular carriers operating from Rome Fiumicino to San Francisco

How often are flights from Rome to San Francisco delayed?

Historically, on average around 24% of flights between Rome and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 156 minutes.

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?

As of November 2025, there are 5 operators available to choose from 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.

$457 Cheap Flights from Rome Fiumicino Airport to San Francisco in 2025/26

Q: How many flights depart from Rome Fiumicino Airport to San Francisco on average per week?

6 flights are operational weekly from Rome Fiumicino Airport to San Francisco as of November 2025. The most popular departure day for this route is Thu, with 50% of flights per week taking off on this day.

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4:40 pm - 2:45 pmFCO-SFO

31h 05m1 stop

4:35 pm - 6:45 pmSFO-FCO

17h 10m1 stop

$457TAP AIR PORTUGAL

Find Deal

Fri, Dec 5 - Mon, Dec 8

6:00 am - 2:35 pmFCO-SFO

17h 35m1 stop

4:35 pm - 6:45 pmSFO-FCO

17h 10m1 stop

$458TAP AIR PORTUGAL

Find Deal

Mon, Jan 26 - Sat, Jan 31

7:35 pm - 4:05 pmFCO-SFO

29h 30m1 stop

4:35 pm - 12:05 amSFO-FCO

22h 30m1 stop

$461TAP AIR PORTUGAL

Find Deal

Thu, Dec 4 - Mon, Dec 8

8:10 am - 2:30 pmFCO-SFO

15h 20m1 stop

4:30 pm - 9:25 pmSFO-FCO

19h 55m1 stop

$529Condor

Find Deal

Sun, May 3 - Sun, May 10

1:35 pm - 8:10 pmFCO-SFO

15h 35m1 stop

6:07 am - 8:30 amSFO-FCO

17h 23m1 stop

$613United Airlines

Find Deal

Fri, Nov 21 - Thu, Dec 4

1:35 pm - 8:10 pmFCO-SFO

15h 35m1 stop

6:00 am - 7:45 amSFO-FCO

16h 45m1 stop

$615United Airlines

Find Deal

Fri, Nov 21 - Thu, Dec 4

9:10 am - 6:47 pmFCO-SFO

18h 37m1 stop

9:10 am - 12:20 pmSFO-FCO

18h 10m1 stop

$636ITA Airways

Find Deal

Wed, Dec 3 - Wed, Dec 10

9:10 am - 1:05 pmFCO-SFO

12h 55mnonstop

3:05 pm - 12:15 pmSFO-FCO

12h 10mnonstop

$639ITA Airways

Find Deal

Thu, Dec 4 - Thu, Dec 11

1:10 pm - 10:59 pmFCO-SFO

18h 49m1 stop

12:10 pm - 2:55 pmSFO-FCO

17h 45m2 stops

$675British Airways

Find Deal

Thu, Feb 19 - Tue, Feb 24

1:10 pm - 12:34 amFCO-SFO

20h 24m1 stop

6:30 am - 9:00 amSFO-FCO

17h 30m1 stop

$681British Airways

Find Deal

Thu, Dec 4 - Thu, Dec 11

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 5

FCO4:40 pmRome Fiumicino

31h 05m

1 stop

SFO2:45 pmSan Francisco

Dec 8

SFO4:35 pmSan Francisco

17h 10m

1 stop

FCO6:45 pmRome Fiumicino

$457

Find similar

TAP AIR PORTUGAL

Jan 26

FCO6:00 amRome Fiumicino

17h 35m

1 stop

SFO2:35 pmSan Francisco

Jan 31

SFO4:35 pmSan Francisco

17h 10m

1 stop

FCO6:45 pmRome Fiumicino

$458

Find similar

TAP AIR PORTUGAL

Dec 4

FCO7:35 pmRome Fiumicino

29h 30m

1 stop

SFO4:05 pmSan Francisco

Dec 8

SFO4:35 pmSan Francisco

22h 30m

1 stop

FCO12:05 amRome Fiumicino

$461

Find similar

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

Jan 24

FCO11:40 amRome Fiumicino

35h 55m

1 stop

SFO2:35 pmSan Francisco

Feb 1

SFO4:40 pmSan Francisco

33h 25m

1 stop

FCO11:05 amRome Fiumicino

$651

Find similar

Scandinavian Airlines

Apr 17

FCO11:10 amRome Fiumicino

36h 30m

2 stops

SFO2:40 pmSan Francisco

Apr 24

SFO4:45 pmSan Francisco

35h 20m

2 stops

FCO1:05 pmRome Fiumicino

$664

Find similar

Scandinavian Airlines

Apr 16

FCO11:55 amRome Fiumicino

35h 45m

1 stop

SFO2:40 pmSan Francisco

May 1

SFO4:45 pmSan Francisco

16h 50m

1 stop

FCO6:35 pmRome Fiumicino

$676

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momondo Fare Finder

Use the filters below to find and compare flights from Rome Fiumicino Airport to San Francisco that are best for you.

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Fly to

Route

Depart

Return

Price

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 12/5

4:40 pm-2:45 pm

1 stop31h 05m

San Francisco

Mon 12/8

4:35 pm-6:45 pm

1 stop17h 10m

$457

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Mon 1/26

6:00 am-2:35 pm

1 stop17h 35m

San Francisco

Sat 1/31

4:35 pm-6:45 pm

1 stop17h 10m

$458

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-12:05 am

1 stop22h 30m

$461

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sun 5/3

8:10 am-2:30 pm

1 stop15h 20m

San Francisco

Sun 5/10

4:30 pm-9:25 pm

1 stop19h 55m

$529

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 11/21

1:35 pm-8:10 pm

1 stop15h 35m

San Francisco

Thu 12/4

6:07 am-8:30 am

1 stop17h 23m

$613

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 11/21

1:35 pm-8:10 pm

1 stop15h 35m

San Francisco

Thu 12/4

6:00 am-7:45 am

1 stop16h 45m

$615

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Wed 12/3

9:10 am-6:47 pm

1 stop18h 37m

San Francisco

Wed 12/10

9:10 am-12:20 pm

1 stop18h 10m

$636

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 12/4

9:10 am-1:05 pm

Nonstop12h 55m

San Francisco

Thu 12/11

3:05 pm-12:15 pm

Nonstop12h 10m

$639

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 2/19

1:10 pm-10:59 pm

1 stop18h 49m

San Francisco

Tue 2/24

12:10 pm-2:55 pm

2 stops17h 45m

$675

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 12/4

1:10 pm-12:34 am

1 stop20h 24m

San Francisco

Thu 12/11

6:30 am-9:00 am

1 stop17h 30m

$681

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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

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $635.

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 $728 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 $654 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 51% 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	Tue, Fri, Sat 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 Tuesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport near San Francisco: San Francisco (SFO)

Search flight deals

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?
As of November 2025, there are 5 operators available to choose from 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?
Based on momondo bookings for flights between Rome Fiumicino Airport and San Francisco, the leading plane model is Boeing 777, making up 63.96% of the total bookings. Other popular models include Airbus A330-900neo with 29.94%, Boeing 787 Dreamliner with 2.59%, and Boeing 747-8 with 1.11%.
What is the most popular airline from Rome Fiumicino Airport to San Francisco?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Rome Fiumicino Airport to San Francisco is United Airlines (30% of total bookings). The next most popular airlines are ITA Airways (30%), British Airways (20%), and Lufthansa (15%).

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 PORTUGAL	PriceFrom $426	Free Cancellation	Rating 7.1 2,047 reviews	Search TAP AIR PORTUGAL flights
United Airlines	PriceFrom $565	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
ITA Airways	PriceFrom $575	Free Cancellation	Rating 6.7 1,081 reviews	Search ITA Airways flights
Lufthansa	PriceFrom $615	Free Cancellation	Rating 6.8 7,558 reviews	Search Lufthansa flights
British Airways	PriceFrom $624	Free Cancellation	Rating 6.7 7,500 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.

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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?

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Cheap flights from Rome Fiumicino Airport to San Francisco from $457

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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 May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $635.

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?

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?

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 51% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Rome Fiumicino to San Francisco?

British Airways, TAP AIR PORTUGAL, and Scandinavian Airlines are the most popular carriers operating from Rome Fiumicino to San Francisco

What airlines fly to San Francisco?

How often are flights from Rome to San Francisco delayed?

Historically, on average around 24% of flights between Rome and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 156 minutes.

What is the most punctual flight time for Rome to San Francisco flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Rome to San Francisco flights?

According to our data, Lufthansa have had the least number of delays on this route over the last 12 months; with about 22% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Rome Fiumicino Airport and San Francisco?

Frankfurt am Main (FRA) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Rome Fiumicino Airport to San Francisco?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $472.

Which layover airport has the shortest travel time from Rome Fiumicino Airport to San Francisco?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 15h 10m.

Which layover airport has the shortest connection time from Rome Fiumicino Airport to San Francisco?

London (LHR) has the shortest average layover time for this route: 1h 30m.

How many flights depart from Rome Fiumicino Airport to San Francisco on average per week?

6 flights are operational weekly from Rome Fiumicino Airport to San Francisco as of November 2025. The most popular departure day for this route is Thu, with 50% of flights per week taking off on this day.

When to book flights from Rome Fiumicino Airport to San Francisco

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

Fastest flight time

Direct flights

Airports in San Francisco

How far is Rome Fiumicino to San Francisco by plane?

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

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?

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

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

ITA Airways Flights From Rome Fiumicino Airport to San Francisco

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Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your San Francisco trip