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Cheap flights from Rome to San Francisco from $460

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 to San Francisco departing on 12/5. 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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Cheap round-trip flights

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TAP AIR PORTUGAL Logo
7:35 pm - 2:45 pmFCO-SFO
28h 10m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 6:45 pmSFO-FCO
17h 10m1 stop
$460TAP AIR PORTUGAL
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Fri, Dec 5 - Mon, Dec 8
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
$462TAP AIR PORTUGAL
Find Deal
Fri, Feb 27 - Sat, Mar 7
Lufthansa Logo
7:05 am - 3:55 pmFCO-SFO
17h 50m1 stop
Lufthansa Logo
8:30 am - 7:45 amSFO-FCO
14h 15m1 stop
$598Lufthansa
Find Deal
Thu, Nov 13 - Thu, Nov 27
Lufthansa Logo
1:30 pm - 8:10 pmFCO-SFO
15h 40m1 stop
Lufthansa Logo
8:25 am - 8:30 amSFO-FCO
15h 05m1 stop
$611Lufthansa
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Thu, Nov 13 - Thu, Nov 27
ITA Airways Logo
9:10 am - 5:42 pmFCO-SFO
17h 32m1 stop
ITA Airways Logo
10:52 am - 12:20 pmSFO-FCO
16h 28m1 stop
$612ITA Airways
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Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
9:35 am - 4:30 pmFCO-SFO
15h 55m1 stop
Multiple Airlines Logo
8:25 am - 8:55 amSFO-FCO
15h 30m1 stop
$613Multiple Airlines
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Thu, Nov 13 - Wed, Nov 26
United Airlines Logo
7:05 am - 3:55 pmFCO-SFO
17h 50m1 stop
United Airlines Logo
8:25 am - 8:30 amSFO-FCO
15h 05m1 stop
$614United Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
United Airlines Logo
7:05 am - 3:55 pmFCO-SFO
17h 50m1 stop
United Airlines Logo
7:00 am - 7:55 amSFO-FCO
15h 55m1 stop
$615United Airlines
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Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
7:05 am - 3:55 pmFCO-SFO
17h 50m1 stop
Multiple Airlines Logo
7:25 pm - 7:25 pmSFO-FCO
15h 00m1 stop
$619Multiple Airlines
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Thu, Nov 13 - Thu, Nov 27
ITA Airways Logo
9:10 am - 1:05 pmFCO-SFO
12h 55mnonstop
ITA Airways Logo
3:05 pm - 12:15 pmSFO-FCO
12h 10mnonstop
$638ITA Airways
Find Deal
Thu, Nov 13 - Thu, Nov 27

United Airlines flights from Rome to San Francisco

Our best United Airlines deals on Rome to San Francisco flight tickets
United Airlines
Nov 13
FCO7:05 amRome Fiumicino
17h 50m
1 stop
SFO3:55 pmSan Francisco
Nov 27
SFO8:25 amSan Francisco
15h 05m
1 stop
FCO8:30 amRome Fiumicino
$614
Find similar
United Airlines
Nov 13
FCO7:05 amRome Fiumicino
17h 50m
1 stop
SFO3:55 pmSan Francisco
Nov 27
SFO7:00 amSan Francisco
15h 55m
1 stop
FCO7:55 amRome Fiumicino
$615
Find similar
United Airlines
Nov 13
FCO1:30 pmRome Fiumicino
15h 40m
1 stop
SFO8:10 pmSan Francisco
Nov 27
SFO6:00 amSan Francisco
16h 45m
1 stop
FCO7:45 amRome Fiumicino
$616
Find similar

ITA Airways flights from Rome to San Francisco

Our best ITA Airways deals on Rome to San Francisco flight tickets
ITA Airways
Dec 3
FCO9:10 amRome Fiumicino
17h 32m
1 stop
SFO5:42 pmSan Francisco
Dec 10
SFO10:52 amSan Francisco
16h 28m
1 stop
FCO12:20 pmRome Fiumicino
$612
Find similar
ITA Airways
Nov 13
FCO9:10 amRome Fiumicino
12h 55m
SFO1:05 pmSan Francisco
Nov 27
SFO3:05 pmSan Francisco
12h 10m
FCO12:15 pmRome Fiumicino
$638
Find similar
ITA Airways
Nov 13
FCO9:10 amRome Fiumicino
12h 55m
SFO1:05 pmSan Francisco
Nov 27
SFO3:05 pmSan Francisco
12h 10m
FCO12:15 pmRome Fiumicino
$644
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rome 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 3, 2025.
Use the filters below to find and compare flights from Rome to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 12/5

7:35 pm-2:45 pm

1 stop28h 10m

San Francisco

Mon 12/8

4:35 pm-6:45 pm

1 stop17h 10m

$460

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 2/27

6:00 am-4:05 pm

1 stop19h 05m

San Francisco

Sat 3/7

4:35 pm-6:45 pm

1 stop17h 10m

$462

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 11/13

7:05 am-3:55 pm

1 stop17h 50m

San Francisco

Thu 11/27

8:30 am-7:45 am

1 stop14h 15m

$598

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 11/13

1:30 pm-8:10 pm

1 stop15h 40m

San Francisco

Thu 11/27

8:25 am-8:30 am

1 stop15h 05m

$611

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Wed 12/3

9:10 am-5:42 pm

1 stop17h 32m

San Francisco

Wed 12/10

10:52 am-12:20 pm

1 stop16h 28m

$612

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 11/13

9:35 am-4:30 pm

1 stop15h 55m

San Francisco

Wed 11/26

8:25 am-8:55 am

1 stop15h 30m

$613

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 11/13

7:05 am-3:55 pm

1 stop17h 50m

San Francisco

Thu 11/27

8:25 am-8:30 am

1 stop15h 05m

$614

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 11/13

7:05 am-3:55 pm

1 stop17h 50m

San Francisco

Thu 11/27

7:00 am-7:55 am

1 stop15h 55m

$615

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 11/13

7:05 am-3:55 pm

1 stop17h 50m

San Francisco

Thu 11/27

7:25 pm-7:25 pm

1 stop15h 00m

$619

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 11/13

9:10 am-1:05 pm

Nonstop12h 55m

San Francisco

Thu 11/27

3:05 pm-12:15 pm

Nonstop12h 10m

$638

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

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 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 November is also cheap. Prices for this month can be found on momondo for an average of $620.

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 $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 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 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 $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 for as low as $654 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 November 2025, prices for Rome to San Francisco flights are approximately 10% 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

$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 in the past 72 hours is $691. The best round-trip flight deal from Rome to San Francisco found on momondo in the last 72 hours is $689.
The fastest flight from Rome to San Francisco takes 12h 45m
Direct flights go from Rome 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)
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  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $426Free CancellationRating
7.2
2,045 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $565Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $575Free CancellationRating
6.7
1,079 reviews
Search ITA Airways flights
LufthansaPriceFrom $615Free CancellationRating
6.8
7,544 reviews
Search Lufthansa flights
British AirwaysPriceFrom $624Free CancellationRating
6.7
7,494 reviews
Search British Airways flights

  • ITA Airways Flights From Rome to San Francisco

    ITA Airways operates around 2 flights from Rome to San Francisco every week. The average price of these flights found in the last 72 hours has been $741, but momondo users have found ITA Airways deals from Rome to San Francisco from as low as $575 round-trip. ITA Airways has been scored 6.7/10 in 1,079 reviews.

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
Turlock
Livermore
Pacific Grove

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.

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.
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