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 cheapest airline that flies from Rome Fiumicino to San Francisco?

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

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.

What airlines fly to San Francisco?

ITA Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to San Francisco from Rome Fiumicino Airport according to our data. ITA Airways is the first choice among our users, with 38% 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.

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.

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.

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 January 2026, 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.

$461 Cheap Flights from Rome Fiumicino Airport to San Francisco in 2026

Q: What is the typical price of a round-trip flight between Rome Fiumicino Airport and San Francisco?

Prices are currently low for flights on this route. Typical prices usually range from $724 to $1,275. The lowest price recently found on this route was $461.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Rome Fiumicino Airport to San Francisco

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:05 pm - 2:35 pm

FCO

SFO

27h 30m

1 stop

7:35 pm - 12:15 am

SFO

FCO

19h 40m

1 stop

$461TAP AIR PORTUGAL

Mon, May 4 - Sat, May 16

6:00 am - 2:35 pm

FCO

SFO

17h 35m

1 stop

5:35 pm - 12:05 am

SFO

FCO

22h 30m

1 stop

$467TAP AIR PORTUGAL

Mon, Mar 2 - Mon, Mar 16

6:00 am - 2:30 pm

FCO

SFO

17h 30m

1 stop

4:35 pm - 12:05 am

SFO

FCO

22h 30m

1 stop

$476TAP AIR PORTUGAL

Wed, Feb 11 - Wed, Feb 18

8:05 pm - 2:35 pm

FCO

SFO

27h 30m

1 stop

4:35 pm - 6:55 pm

SFO

FCO

17h 20m

1 stop

$497TAP AIR PORTUGAL

Mon, May 11 - Tue, May 19

5:45 pm - 5:35 pm

FCO

SFO

32h 50m

1 stop

8:20 pm - 12:15 am

SFO

FCO

18h 55m

1 stop

$500TAP AIR PORTUGAL

Fri, May 8 - Fri, May 15

8:00 pm - 5:35 pm

FCO

SFO

30h 35m

1 stop

7:55 pm - 12:35 pm

SFO

FCO

31h 40m

1 stop

$501TAP AIR PORTUGAL

Fri, May 1 - Thu, May 14

7:35 pm - 4:05 pm

FCO

SFO

29h 30m

1 stop

4:35 pm - 6:45 pm

SFO

FCO

17h 10m

1 stop

$502TAP AIR PORTUGAL

Thu, Feb 26 - Wed, Mar 4

5:40 pm - 2:35 pm

FCO

SFO

29h 55m

1 stop

7:35 pm - 4:40 pm

SFO

FCO

36h 05m

1 stop

$505TAP AIR PORTUGAL

Mon, May 4 - Sat, May 16

8:00 pm - 5:35 pm

FCO

SFO

30h 35m

1 stop

7:35 pm - 10:20 am

SFO

FCO

29h 45m

1 stop

$511TAP AIR PORTUGAL

Fri, Apr 17 - Sat, May 2

12:15 pm - 2:30 pm

FCO

SFO

35h 15m

1 stop

4:35 pm - 12:05 am

SFO

FCO

22h 30m

1 stop

$533TAP AIR PORTUGAL

Tue, Feb 17 - Mon, Mar 2

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

May 2

FCO9:10 amRome Fiumicino

13h 05m

SFO1:15 pmSan Francisco

May 9

SFO3:15 pmSan Francisco

12h 00m

FCO12:15 pmRome Fiumicino

$590

ITA Airways

Apr 14

FCO9:10 amRome Fiumicino

13h 05m

SFO1:15 pmSan Francisco

Apr 21

SFO3:15 pmSan Francisco

12h 00m

FCO12:15 pmRome Fiumicino

$593

ITA Airways

Mar 2

FCO9:10 amRome Fiumicino

12h 55m

SFO1:05 pmSan Francisco

Mar 16

SFO4:05 pmSan Francisco

12h 10m

FCO12:15 pmRome Fiumicino

$594

British Airways flights from Rome Fiumicino Airport to San Francisco

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

British Airways

Mar 2

FCO1:25 pmRome Fiumicino

20h 27m

2 stops

SFO12:52 amSan Francisco

Mar 16

SFO6:21 amSan Francisco

18h 39m

1 stop

FCO9:00 amRome Fiumicino

$609

British Airways

Feb 24

FCO1:10 pmRome Fiumicino

39h 11m

1 stop

SFO7:21 pmSan Francisco

Mar 3

SFO6:21 amSan Francisco

17h 39m

1 stop

FCO9:00 amRome Fiumicino

$610

British Airways

May 13

FCO10:00 amRome Fiumicino

16h 49m

1 stop

SFO5:49 pmSan Francisco

May 19

SFO7:30 pmSan Francisco

18h 05m

1 stop

FCO10:35 pmRome Fiumicino

$619

momondo Fare Finder

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

Mon 5/4

8:05 pm-2:35 pm

1 stop27h 30m

San Francisco

Sat 5/16

7:35 pm-12:15 am

1 stop19h 40m

$461

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Mon 3/2

6:00 am-2:35 pm

1 stop17h 35m

San Francisco

Mon 3/16

5:35 pm-12:05 am

1 stop22h 30m

$467

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Wed 2/11

6:00 am-2:30 pm

1 stop17h 30m

San Francisco

Wed 2/18

4:35 pm-12:05 am

1 stop22h 30m

$476

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Mon 5/11

8:05 pm-2:35 pm

1 stop27h 30m

San Francisco

Tue 5/19

4:35 pm-6:55 pm

1 stop17h 20m

$497

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 5/8

5:45 pm-5:35 pm

1 stop32h 50m

San Francisco

Fri 5/15

8:20 pm-12:15 am

1 stop18h 55m

$500

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 5/1

8:00 pm-5:35 pm

1 stop30h 35m

San Francisco

Thu 5/14

7:55 pm-12:35 pm

1 stop31h 40m

$501

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 2/26

7:35 pm-4:05 pm

1 stop29h 30m

San Francisco

Wed 3/4

4:35 pm-6:45 pm

1 stop17h 10m

$502

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Mon 5/4

5:40 pm-2:35 pm

1 stop29h 55m

San Francisco

Sat 5/16

7:35 pm-4:40 pm

1 stop36h 05m

$505

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 4/17

8:00 pm-5:35 pm

1 stop30h 35m

San Francisco

Sat 5/2

7:35 pm-10:20 am

1 stop29h 45m

$511

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Tue 2/17

12:15 pm-2:30 pm

1 stop35h 15m

San Francisco

Mon 3/2

4:35 pm-12:05 am

1 stop22h 30m

$533

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Other information

What is the typical price of a round-trip flight between Rome Fiumicino Airport and 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 $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 morning. Our users have found flights to San Francisco in the morning for as low as $722. Flights in the afternoon are often more expensive with an average ticket price of $877.

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 $736 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 January 2026, prices for Rome Fiumicino Airport to San Francisco flights are approximately 9% cheaper 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	$699
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 $699. The best round-trip flight deal from Rome Fiumicino Airport to San Francisco found on momondo in the last 72 hours is $688.

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).

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 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 January 2026, 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 48.28% of the total bookings. Other popular models include Airbus A330-900neo with 38.36%, Boeing 787 Dreamliner with 6.03%, and Boeing 747-8 with 2.59%.
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 ITA Airways (35% of total bookings). The next most popular airlines are United Airlines (33%), Lufthansa (14%), and British Airways (11%).

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
Condor	PriceFrom $435	Free Cancellation	Rating 6.4 398 reviews	Search Condor flights
United Airlines	PriceFrom $565	Free Cancellation	Rating 7.4 9,150 reviews	Search United Airlines flights
ITA Airways	PriceFrom $587	Free Cancellation	Rating 6.7 1,128 reviews	Search ITA Airways flights
British Airways	PriceFrom $624	Free Cancellation	Rating 6.7 7,665 reviews	Search British Airways flights
Lufthansa	PriceFrom $629	Free Cancellation	Rating 6.8 7,709 reviews	Search Lufthansa flights

Santa Cruz

Carmel-by-the-Sea

Modesto

Sonoma

Bodega Bay

Roseville

Hayward

Calistoga

Big Sur

Santa Clara

Berkeley

Walnut Creek

Fremont

Half Moon Bay

Daly City

Vallejo

Livermore

Salinas

Sunnyvale

Turlock

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 2/11

Wed 2/18

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing California

Popular cities in the United States

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $33

Flights to Chicagofrom $58

Flights to Orlandofrom $37

Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $57

Flights to Bostonfrom $59

Flights to Atlantafrom $49

Flights to Dallasfrom $40

Flights to Seattlefrom $54

Flights to Denverfrom $56

Cheap flights from Rome Fiumicino Airport to San Francisco from $461

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Rome Fiumicino Airport to San Francisco

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

ITA Airways flights from Rome Fiumicino Airport to San Francisco

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

British Airways flights from Rome Fiumicino Airport to San Francisco

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

momondo Fare Finder

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

See travel insights to San Francisco from

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

What is the typical price of a round-trip flight between Rome Fiumicino Airport and 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 $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 January 2026, prices for Rome Fiumicino Airport to San Francisco flights are approximately 9% cheaper when compared to flights at the same time last year.

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

Iberia, British Airways, and TAP AIR PORTUGAL 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 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.

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

Traveling to a place near San Francisco?

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

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.

Find better results for your trip to the United States

Airports servicing California