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

Frankfurt am Main (FRA) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

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.

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 35% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 4 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

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

British Airways is the most popular carrier operating from Rome Fiumicino to San Francisco

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

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 21% of their flights experiencing any sort of delay.

How often are flights from Rome to San Francisco delayed?

Historically, on average around 22% 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 135 minutes.

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.

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 December 2025, there are 4 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.

$513 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 day?

As of December 2025, there are 1 flights per day flying from Rome Fiumicino Airport to San Francisco. The most common time of day flights depart is 9:00AM, with 100% of flights taking off at noon.

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

9 flights are operational weekly from Rome Fiumicino Airport to San Francisco as of December 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

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7:35 pm - 2:35 pm

FCO

SFO

28h 00m1 stop

4:35 pm - 6:45 pm

SFO

FCO

17h 10m1 stop

$514TAP AIR PORTUGAL

Sun, Jan 18 - Sat, Jan 31

6:00 am - 2:35 pm

FCO

SFO

17h 35m1 stop

4:35 pm - 12:05 am

SFO

FCO

22h 30m1 stop

$532TAP AIR PORTUGAL

Mon, Feb 9 - Mon, Feb 16

4:40 pm - 4:05 pm

FCO

SFO

32h 25m1 stop

4:35 pm - 6:45 pm

SFO

FCO

17h 10m1 stop

$533TAP AIR PORTUGAL

Thu, Feb 5 - Mon, Feb 9

4:40 pm - 2:35 pm

FCO

SFO

30h 55m1 stop

4:35 pm - 6:45 pm

SFO

FCO

17h 10m1 stop

$535TAP AIR PORTUGAL

Sun, Jan 18 - Sat, Jan 31

7:35 pm - 4:05 pm

FCO

SFO

29h 30m1 stop

4:35 pm - 12:05 am

SFO

FCO

22h 30m1 stop

$541TAP AIR PORTUGAL

Thu, Jan 15 - Wed, Jan 28

4:40 pm - 4:05 pm

FCO

SFO

32h 25m1 stop

4:35 pm - 12:05 am

SFO

FCO

22h 30m1 stop

$543TAP AIR PORTUGAL

Thu, Feb 26 - Wed, Mar 4

6:00 am - 4:05 pm

FCO

SFO

19h 05m1 stop

4:35 pm - 12:05 am

SFO

FCO

22h 30m1 stop

$550TAP AIR PORTUGAL

Fri, Feb 27 - Wed, Mar 4

6:00 am - 2:45 pm

FCO

SFO

17h 45m1 stop

4:35 pm - 6:45 pm

SFO

FCO

17h 10m1 stop

$581TAP AIR PORTUGAL

Sat, Feb 7 - Sat, Feb 14

6:00 am - 2:45 pm

FCO

SFO

17h 45m1 stop

5:35 pm - 6:45 pm

SFO

FCO

17h 10m1 stop

$582TAP AIR PORTUGAL

Sat, Feb 7 - Mon, Mar 9

9:10 am - 1:15 pm

FCO

SFO

13h 05mnonstop

3:15 pm - 12:15 pm

SFO

FCO

12h 00mnonstop

$589ITA Airways

Thu, Apr 9 - Sun, Apr 19

ITA Airways flights from Rome Fiumicino Airport to San Francisco

Our best ITA Airways deals on Rome Fiumicino Airport to San Francisco flight tickets

ITA Airways

Apr 9

FCO9:10 amRome Fiumicino

13h 05m

SFO1:15 pmSan Francisco

Apr 19

SFO3:15 pmSan Francisco

12h 00m

FCO12:15 pmRome Fiumicino

$589

Find similar

ITA Airways

Jan 21

FCO9:10 amRome Fiumicino

18h 42m

1 stop

SFO6:52 pmSan Francisco

May 12

SFO3:15 pmSan Francisco

12h 00m

FCO12:15 pmRome Fiumicino

$598

Find similar

ITA Airways

Mar 12

FCO9:10 amRome Fiumicino

12h 55m

SFO2:05 pmSan Francisco

Apr 3

SFO3:15 pmSan Francisco

12h 00m

FCO12:15 pmRome Fiumicino

$599

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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

Jan 18

FCO4:40 pmRome Fiumicino

30h 55m

1 stop

SFO2:35 pmSan Francisco

Jan 31

SFO4:35 pmSan Francisco

22h 30m

1 stop

FCO12:05 amRome Fiumicino

$514

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TAP AIR PORTUGAL

Feb 9

FCO6:00 amRome Fiumicino

17h 35m

1 stop

SFO2:35 pmSan Francisco

Feb 16

SFO4:35 pmSan Francisco

22h 30m

1 stop

FCO12:05 amRome Fiumicino

$532

Find similar

TAP AIR PORTUGAL

Feb 5

FCO4:40 pmRome Fiumicino

32h 25m

1 stop

SFO4:05 pmSan Francisco

Feb 9

SFO4:35 pmSan Francisco

17h 10m

1 stop

FCO6:45 pmRome Fiumicino

$533

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Route

Depart

Return

Price

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sun 1/18

7:35 pm-2:35 pm

1 stop28h 00m

San Francisco

Sat 1/31

4:35 pm-6:45 pm

1 stop17h 10m

$514

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Mon 2/9

6:00 am-2:35 pm

1 stop17h 35m

San Francisco

Mon 2/16

4:35 pm-12:05 am

1 stop22h 30m

$532

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 2/5

4:40 pm-4:05 pm

1 stop32h 25m

San Francisco

Mon 2/9

4:35 pm-6:45 pm

1 stop17h 10m

$533

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sun 1/18

4:40 pm-2:35 pm

1 stop30h 55m

San Francisco

Sat 1/31

4:35 pm-6:45 pm

1 stop17h 10m

$535

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 1/15

7:35 pm-4:05 pm

1 stop29h 30m

San Francisco

Wed 1/28

4:35 pm-12:05 am

1 stop22h 30m

$541

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 2/26

4:40 pm-4:05 pm

1 stop32h 25m

San Francisco

Wed 3/4

4:35 pm-12:05 am

1 stop22h 30m

$543

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 2/27

6:00 am-4:05 pm

1 stop19h 05m

San Francisco

Wed 3/4

4:35 pm-12:05 am

1 stop22h 30m

$550

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sat 2/7

6:00 am-2:45 pm

1 stop17h 45m

San Francisco

Sat 2/14

4:35 pm-6:45 pm

1 stop17h 10m

$581

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sat 2/7

6:00 am-2:45 pm

1 stop17h 45m

San Francisco

Mon 3/9

5:35 pm-6:45 pm

1 stop17h 10m

$582

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 4/9

9:10 am-1:15 pm

Nonstop13h 05m

San Francisco

Sun 4/19

3:15 pm-12:15 pm

Nonstop12h 00m

$589

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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 February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $645.

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 $719. 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 $871.

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 $743 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 $653 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 December 2025, prices for Rome Fiumicino Airport to San Francisco flights are approximately 26% 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	$807
Fastest flight time	12h 45m
Direct flights	Every day
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Rome Fiumicino Airport in the past 72 hours is $807. The best round-trip flight deal from Rome Fiumicino Airport to San Francisco found on momondo in the last 72 hours is $3,340.

The fastest flight from Rome Fiumicino Airport to San Francisco takes 12h 45m

Direct flights go from Rome Fiumicino Airport to San Francisco every day.

There is 1 airport in San Francisco. From Rome Fiumicino Airport there are direct flights to San Francisco (SFO).

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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 45m 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 December 2025, there are 4 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 50.63% of the total bookings. Other popular models include Airbus A330-900neo with 37.13%, Boeing 787 Dreamliner with 5.91%, and Boeing 747-8 with 1.69%.
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 (35% of total bookings). The next most popular airlines are ITA Airways (32%), British Airways (19%), and Lufthansa (14%).

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
United Airlines	PriceFrom $565	Free Cancellation	Rating 7.4 9,116 reviews	Search United Airlines flights
ITA Airways	PriceFrom $580	Free Cancellation	Rating 6.7 1,114 reviews	Search ITA Airways flights
British Airways	PriceFrom $624	Free Cancellation	Rating 6.7 7,619 reviews	Search British Airways flights
Lufthansa	PriceFrom $629	Free Cancellation	Rating 6.8 7,657 reviews	Search Lufthansa 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 $580. Generally, ITA Airways has 3 flights on this route every week with an average price of $770. ITA Airways is rated 6.7/10 by our users.

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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?

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Cheap flights from Rome Fiumicino Airport to San Francisco from $514

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

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 November is also cheap. Prices for this month can be found on momondo for an average of $645.

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 $719. 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 December 2025, prices for Rome Fiumicino Airport to San Francisco flights are approximately 26% 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 is the most popular carrier 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 22% 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 135 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, United Airlines have had the least number of delays on this route over the last 12 months; with about 21% 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: 67% 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 day?

As of December 2025, there are 1 flights per day flying from Rome Fiumicino Airport to San Francisco. The most common time of day flights depart is 9:00AM, with 100% of flights taking off at noon.

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

9 flights are operational weekly from Rome Fiumicino Airport to San Francisco as of December 2025. The most popular departure day for this route is Mon, with 33% 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

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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?