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

35 flights are operational weekly from Rome to San Francisco as of September 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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 according to our data. United Airlines is the first choice among our users, with 31% 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 layover airport offers the lowest fares from Rome to San Francisco?

Flights via Lisbon (LIS) offer the lowest average round-trip price of $472.

How many flights depart from Rome to San Francisco on average per day?

5 flights are operational daily from Rome to San Francisco as of September 2025. The most popular departure time for this route is 9:00AM, with 60% of flights per day taking off at noon.

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

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

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

Frankfurt am Main (FRA) was the most common stop: 21% of momondo users choosing 1-stop flights on this route connected there.

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

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

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

Munich (MUC) has the shortest average layover time for this route: 1h 25m.

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

Prices for flights from Rome to San Francisco Airport were last updated today.

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

As of September 2025, there are 5 operators available to choose from for flights from Rome to San Francisco Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rome to San Francisco Airport.

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

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$426 Cheap Flights from Rome to San Francisco in 2025/26

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

Prices are currently typical for flights on this route. Typical prices usually range from $590 to $765. The lowest price recently found on this route was $592.

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Find the cheapest flights from Rome to San Francisco

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:35 am - 8:28 pmFCO-SFO

17h 53m1 stop

6:28 pm - 6:10 pmSFO-FCO

15h 42m1 stop

$592Multiple Airlines

Find Deal

Fri, Oct 24 - Sat, Nov 1

9:10 am - 1:05 pmFCO-SFO

12h 55mnonstop

3:05 pm - 12:15 pmSFO-FCO

12h 10mnonstop

$593ITA Airways

Find Deal

Thu, Nov 20 - Thu, Dec 4

9:45 am - 10:31 pmFCO-SFO

21h 46m1 stop

7:50 pm - 9:55 pmSFO-FCO

17h 05m2 stops

$594Lufthansa

Find Deal

Fri, Sep 26 - Fri, Oct 10

8:00 am - 4:10 pmFCO-SFO

17h 10m2 stops

6:25 pm - 11:00 pmSFO-FCO

20h 35m2 stops

$606United Airlines

Find Deal

Wed, Oct 22 - Wed, Oct 29

7:05 am - 3:55 pmFCO-SFO

17h 50m1 stop

12:30 am - 7:45 amSFO-FCO

22h 15m1 stop

$643United Airlines

Find Deal

Mon, Nov 17 - Sun, Nov 30

7:00 am - 8:35 pmFCO-SFO

21h 35m1 stop

9:40 pm - 11:00 pmSFO-FCO

16h 20m1 stop

$652Lufthansa

Find Deal

Thu, Oct 30 - Thu, Nov 6

6:10 am - 3:13 pmFCO-SFO

18h 03m2 stops

6:00 am - 11:45 amSFO-FCO

20h 45m2 stops

$654Delta

Find Deal

Tue, Feb 17 - Sun, Feb 22

7:50 am - 8:50 pmFCO-SFO

22h 00m2 stops

10:40 am - 1:30 pmSFO-FCO

17h 50m2 stops

$657British Airways

Find Deal

Sun, Jan 25 - Sat, Jan 31

6:55 am - 10:30 pmFCO-SFO

24h 35m2 stops

3:50 pm - 9:55 pmSFO-FCO

22h 05m2 stops

$658British Airways

Find Deal

Fri, Oct 24 - Wed, Oct 29

6:10 am - 11:50 amFCO-SFO

14h 40m1 stop

6:00 am - 11:45 amSFO-FCO

20h 45m2 stops

$661Delta

Find Deal

Thu, Nov 27 - Thu, Dec 11

TAP AIR PORTUGAL flights from Rome to San Francisco

Our best TAP AIR PORTUGAL deals on Rome to San Francisco flight tickets

TAP AIR PORTUGAL

Nov 17

FCO6:00 amRome Fiumicino

17h 35m

1 stop

SFO2:35 pmSan Francisco

Dec 1

SFO4:35 pmSan Francisco

17h 10m

1 stop

FCO6:45 pmRome Fiumicino

$621

Find similar

TAP AIR PORTUGAL

Dec 18

FCO7:35 pmRome Fiumicino

29h 30m

1 stop

SFO4:05 pmSan Francisco

Jan 2

SFO7:10 pmSan Francisco

31h 15m

1 stop

FCO11:25 amRome Fiumicino

$635

Find similar

TAP AIR PORTUGAL

Dec 24

FCO6:00 amRome Fiumicino

17h 30m

1 stop

SFO2:30 pmSan Francisco

Jan 12

SFO4:35 pmSan Francisco

17h 10m

1 stop

FCO6:45 pmRome Fiumicino

$637

Find similar

Delta flights from Rome to San Francisco

Our best Delta deals on Rome to San Francisco flight tickets

Delta

Feb 17

FCO6:10 amRome Fiumicino

18h 03m

2 stops

SFO3:13 pmSan Francisco

Feb 22

SFO6:00 amSan Francisco

20h 45m

2 stops

FCO11:45 amRome Fiumicino

$654

Find similar

Delta

Nov 27

FCO6:10 amRome Fiumicino

14h 40m

1 stop

SFO11:50 amSan Francisco

Dec 11

SFO6:00 amSan Francisco

20h 45m

2 stops

FCO11:45 amRome Fiumicino

$661

Find similar

Delta

Oct 15

FCO6:30 amRome Fiumicino

22h 00m

2 stops

SFO7:30 pmSan Francisco

Oct 26

SFO4:40 pmSan Francisco

19h 05m

1 stop

FCO7:45 pmRome Fiumicino

$666

Find similar

Fly from

Fly to

Route

Depart

Return

Price

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 10/24

11:35 am-8:28 pm

1 stop17h 53m

San Francisco

Sat 11/1

6:28 pm-6:10 pm

1 stop15h 42m

$592

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 11/20

9:10 am-1:05 pm

Nonstop12h 55m

San Francisco

Thu 12/4

3:05 pm-12:15 pm

Nonstop12h 10m

$593

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 9/26

9:45 am-10:31 pm

1 stop21h 46m

San Francisco

Fri 10/10

7:50 pm-9:55 pm

2 stops17h 05m

$594

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Wed 10/22

8:00 am-4:10 pm

2 stops17h 10m

San Francisco

Wed 10/29

6:25 pm-11:00 pm

2 stops20h 35m

$606

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Mon 11/17

7:05 am-3:55 pm

1 stop17h 50m

San Francisco

Sun 11/30

12:30 am-7:45 am

1 stop22h 15m

$643

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 10/30

7:00 am-8:35 pm

1 stop21h 35m

San Francisco

Thu 11/6

9:40 pm-11:00 pm

1 stop16h 20m

$652

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Tue 2/17

6:10 am-3:13 pm

2 stops18h 03m

San Francisco

Sun 2/22

6:00 am-11:45 am

2 stops20h 45m

$654

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sun 1/25

7:50 am-8:50 pm

2 stops22h 00m

San Francisco

Sat 1/31

10:40 am-1:30 pm

2 stops17h 50m

$657

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 10/24

6:55 am-10:30 pm

2 stops24h 35m

San Francisco

Wed 10/29

3:50 pm-9:55 pm

2 stops22h 05m

$658

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 11/27

6:10 am-11:50 am

1 stop14h 40m

San Francisco

Thu 12/11

6:00 am-11:45 am

2 stops20h 45m

$661

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 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

Layovers

Other information

What is the typical price of a round-trip flight between Rome 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 March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $633.

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

The cheapest day to depart from Rome to San Francisco is on a Monday when prices can be found for as low as $730. 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 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 $876.

What is the cheapest Rome to San Francisco flight route?

Fly from Rome Fiumicino to San Francisco for the best Rome - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $719 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 for as low as $650 on momondo.

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

There are 3 cabin classes available to choose from on Rome 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 to San Francisco flight prices changed over time?

As of September 2025, prices for Rome to San Francisco flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from Rome to San Francisco

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

Estimated round-trip price

Cheap Rome to San Francisco (ROM to SFO) flight deals and tips

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

Best Price Found	$701
Fastest flight time	12h 35m
Direct flights	Every day
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Rome in the past 72 hours is $701. The best round-trip flight deal from Rome to San Francisco found on momondo in the last 72 hours is $695.

The fastest flight from Rome to San Francisco takes 12h 35m

Direct flights go from Rome to San Francisco every day.

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

Search flight deals

How far is Rome to San Francisco by plane?
A flight from Rome to San Francisco will travel around 6237.4 mi. In terms of flight time, this usually takes a little over 12h 55m.
When did momondo last update prices for flights from Rome to San Francisco Airport?
Prices for flights from Rome to San Francisco Airport were last updated today.
How many operators does momondo search for flights from Rome to San Francisco Airport?
As of September 2025, there are 5 operators available to choose from for flights from Rome to San Francisco Airport.
How old do you have to be to fly from Rome to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rome to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Rome to San Francisco?
momondo data reveals that the most frequently booked plane model on the route from Rome to San Francisco is Boeing 777, representing 65.14% of all bookings. The subsequent popular models are Airbus A330-900neo at 27.76%, Boeing 787 Dreamliner at 3.47%, and Airbus A350-900 at 1.10%.
What is the most popular airline from Rome to San Francisco?
momondo data reveals that the most frequently booked airline on the route from Rome to San Francisco is British Airways, representing 26% of all bookings. The subsequent popular airlines are ITA Airways at 25%, United Airlines at 19%, and Lufthansa at 15%.

Best airlines flying from Rome to San Francisco

Compare and see reviews for airlines that fly from Rome to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
TAP AIR PORTUGAL	PriceFrom $426	Free Cancellation	Rating 7.1 1,975 reviews	Search TAP AIR PORTUGAL flights
United Airlines	PriceFrom $574	Free Cancellation	Rating 7.4 8,924 reviews	Search United Airlines flights
ITA Airways	PriceFrom $575	Free Cancellation	Rating 6.7 1,036 reviews	Search ITA Airways flights
Lufthansa	PriceFrom $610	Free Cancellation	Rating 6.8 7,407 reviews	Search Lufthansa flights
British Airways	PriceFrom $624	Free Cancellation	Rating 6.7 7,363 reviews	Search British Airways flights

United Airlines Flights From Rome to San Francisco
United Airlines operates around 7 flights from Rome to San Francisco every week. The average price of these flights found in the last 72 hours has been $772, but momondo users have found United Airlines deals from Rome to San Francisco from as low as $574 round-trip. United Airlines has been scored 7.4/10 in 8,924 reviews.
Lufthansa Flights From Rome to San Francisco
Lufthansa (6.8/10 from 7,407 reviews) operates around 7 flights from Rome to San Francisco in any given week. The average Lufthansa airfare for this route is around $818, with deals from around $610 rare but found on momondo. Referenced prices are for round-trip Rome to San Francisco flight searches in the last 72 hours.

Santa Cruz

Carmel-by-the-Sea

Modesto

Sonoma

Calistoga

Bodega Bay

Roseville

Hayward

Big Sur

Santa Clara

Daly City

Fremont

Berkeley

Half Moon Bay

Walnut Creek

Vallejo

Redwood City

Salinas

South San Francisco

Fairfield

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rome to San Francisco. momondo saves you time and could save you money on your trip.

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

Yes. All flights to San Francisco from Rome on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to San Francisco from Rome. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to San Francisco from Rome. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Rome to San Francisco from $426

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rome to San Francisco departing on 11/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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TAP AIR PORTUGAL flights from Rome to San Francisco

Our best TAP AIR PORTUGAL deals on Rome to San Francisco flight tickets

Delta flights from Rome to San Francisco

Our best Delta deals on Rome to San Francisco flight tickets

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

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How to get the cheapest flight ticket from Rome 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 typical price of a round-trip flight between Rome 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 March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $633.

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

The cheapest day to depart from Rome to San Francisco is on a Monday when prices can be found for as low as $730. 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 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 $876.

What is the cheapest Rome to San Francisco flight route?

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

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

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

There are 3 cabin classes available to choose from on Rome 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 to San Francisco flight prices changed over time?

As of September 2025, prices for Rome to San Francisco flights are approximately 5% more expensive when compared to flights at the same time last year.

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

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

What airlines fly to San Francisco?

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

Frankfurt am Main (FRA) was the most common stop: 21% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Lisbon (LIS) offer the lowest average round-trip price of $472.

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

Munich (MUC) has the shortest average layover time for this route: 1h 25m.

How many flights depart from Rome to San Francisco on average per day?

5 flights are operational daily from Rome to San Francisco as of September 2025. The most popular departure time for this route is 9:00AM, with 60% of flights per day taking off at noon.

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

35 flights are operational weekly from Rome to San Francisco as of September 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

When to book flights from Rome to San Francisco

Cheap Rome to San Francisco (ROM to SFO) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in San Francisco

How far is Rome to San Francisco by plane?

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

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

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

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

Best airlines flying from Rome to San Francisco

Compare and see reviews for airlines that fly from Rome to San Francisco with momondo

United Airlines Flights From Rome to San Francisco

Lufthansa Flights From Rome to San Francisco

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