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Cheap flights from Rome Fiumicino Airport to San Francisco from $434

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 Fiumicino Airport to San Francisco departing on 1/21. 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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Find the cheapest flights from Rome Fiumicino Airport to San Francisco

Cheap round-trip flights

United Airlines Logo
8:00 am - 4:10 pmFCO-SFO
17h 10m2 stops
United Airlines Logo
6:25 pm - 11:00 pmSFO-FCO
20h 35m2 stops
$606United Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
Logo
10:55 pm - 11:08 pmFCO-SFO
33h 13m3 stops
Logo
4:20 pm - 12:10 amSFO-FCO
22h 50m1 stop
$607
Find Deal
Mon, Oct 13 - Mon, Oct 20
Logo
10:55 pm - 11:54 amFCO-SFO
45h 59m2 stops
Logo
4:20 pm - 12:10 amSFO-FCO
22h 50m1 stop
$613
Find Deal
Mon, Oct 13 - Mon, Oct 20
ITA Airways Logo
9:20 am - 1:25 pmFCO-SFO
13h 05mnonstop
ITA Airways Logo
4:05 pm - 12:15 pmSFO-FCO
12h 10mnonstop
$622ITA Airways
Find Deal
Fri, Oct 24 - Sat, Nov 1
ITA Airways Logo
9:20 am - 1:25 pmFCO-SFO
13h 05mnonstop
ITA Airways Logo
3:15 pm - 12:15 pmSFO-FCO
12h 00mnonstop
$645ITA Airways
Find Deal
Sat, Sep 27 - Fri, Oct 10
Lufthansa Logo
7:00 am - 8:35 pmFCO-SFO
21h 35m1 stop
Lufthansa Logo
9:40 pm - 11:00 pmSFO-FCO
16h 20m1 stop
$652Lufthansa
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Thu, Oct 30 - Thu, Nov 6
British Airways Logo
7:50 am - 8:50 pmFCO-SFO
22h 00m2 stops
British Airways Logo
10:40 am - 1:30 pmSFO-FCO
17h 50m2 stops
$657British Airways
Find Deal
Sun, Jan 25 - Sat, Jan 31
British Airways Logo
6:55 am - 10:30 pmFCO-SFO
24h 35m2 stops
British Airways Logo
3:50 pm - 9:55 pmSFO-FCO
22h 05m2 stops
$658British Airways
Find Deal
Fri, Oct 24 - Wed, Oct 29
TAP AIR PORTUGAL Logo
7:35 pm - 4:05 pmFCO-SFO
29h 30m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 12:05 amSFO-FCO
22h 30m1 stop
$660TAP AIR PORTUGAL
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Thu, Dec 25 - Mon, Jan 12
Lufthansa Logo
3:40 pm - 7:15 pmFCO-SFO
12h 35mnonstop
Lufthansa Logo
4:55 pm - 1:40 pmSFO-FCO
11h 45mnonstop
$687Lufthansa
Find Deal
Tue, Oct 14 - Tue, Oct 21

SWISS flights from Rome Fiumicino Airport to San Francisco

Our best SWISS deals on Rome Fiumicino Airport to San Francisco flight tickets
SWISS
Oct 27
FCO8:15 pmRome Fiumicino
29h 15m
1 stop
SFO5:30 pmSan Francisco
Nov 10
SFO7:25 pmSan Francisco
15h 00m
1 stop
FCO7:25 pmRome Fiumicino
$624
Find similar
SWISS
Oct 13
FCO8:10 pmRome Fiumicino
29h 00m
1 stop
SFO4:10 pmSan Francisco
Oct 20
SFO2:20 pmSan Francisco
20h 00m
1 stop
FCO7:20 pmRome Fiumicino
$626
Find similar
SWISS
Oct 29
FCO8:15 pmRome Fiumicino
29h 15m
1 stop
SFO5:30 pmSan Francisco
Nov 5
SFO7:25 pmSan Francisco
28h 15m
1 stop
FCO8:40 amRome Fiumicino
$631
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Iberia flights from Rome Fiumicino Airport to San Francisco

Our best Iberia deals on Rome Fiumicino Airport to San Francisco flight tickets
Iberia
Sep 16
FCO8:25 pmRome Fiumicino
33h 07m
2 stops
SFO8:32 pmSan Francisco
Sep 24
SFO7:00 amSan Francisco
16h 05m
1 stop
FCO8:05 amRome Fiumicino
$606
Find similar
Iberia
Sep 20
FCO1:35 pmRome Fiumicino
19h 24m
1 stop
SFO11:59 pmSan Francisco
Sep 24
SFO1:21 pmSan Francisco
21h 19m
2 stops
FCO7:40 pmRome Fiumicino
$612
Find similar
Iberia
Sep 16
FCO8:25 pmRome Fiumicino
33h 07m
2 stops
SFO8:32 pmSan Francisco
Sep 24
SFO2:22 pmSan Francisco
18h 53m
2 stops
FCO6:15 pmRome Fiumicino
$620
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momondo Fare Finder

 
Customize your flight search to find flights from Rome Fiumicino Airport 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 September 15, 2025.
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

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 10/13

10:55 pm-11:08 pm

3 stops33h 13m

San Francisco

Mon 10/20

4:20 pm-12:10 am

1 stop22h 50m

$607

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Mon 10/13

10:55 pm-11:54 am

2 stops45h 59m

San Francisco

Mon 10/20

4:20 pm-12:10 am

1 stop22h 50m

$613

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 10/24

9:20 am-1:25 pm

Nonstop13h 05m

San Francisco

Sat 11/1

4:05 pm-12:15 pm

Nonstop12h 10m

$622

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sat 9/27

9:20 am-1:25 pm

Nonstop13h 05m

San Francisco

Fri 10/10

3:15 pm-12:15 pm

Nonstop12h 00m

$645

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

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 12/25

7:35 pm-4:05 pm

1 stop29h 30m

San Francisco

Mon 1/12

4:35 pm-12:05 am

1 stop22h 30m

$660

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Tue 10/14

3:40 pm-7:15 pm

Nonstop12h 35m

San Francisco

Tue 10/21

4:55 pm-1:40 pm

Nonstop11h 45m

$687

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 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 November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $630.

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 $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 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 $876.

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 $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 Fiumicino Airport for as low as $651 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 September 2025, prices for Rome Fiumicino Airport to San Francisco flights are approximately 30% 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

$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 Fiumicino Airport in the past 72 hours is $701. The best round-trip flight deal from Rome Fiumicino Airport to San Francisco found on momondo in the last 72 hours is $695.
The fastest flight from Rome Fiumicino Airport to San Francisco takes 12h 35m
Direct flights go from Rome Fiumicino Airport to San Francisco every day.
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 35m 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $426Free CancellationRating
7.1
1,977 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $574Free CancellationRating
7.4
8,931 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $575Free CancellationRating
6.7
1,036 reviews
Search ITA Airways flights
LufthansaPriceFrom $610Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
British AirwaysPriceFrom $624Free CancellationRating
6.6
7,361 reviews
Search British Airways flights

  • United Airlines Flights From Rome Fiumicino Airport to San Francisco

    The lowest priced United Airlines flight from Rome Fiumicino Airport to San Francisco from the last 72 hours was $574. Generally, United Airlines has 7 flights on this route every week with an average price of $772. United Airlines is rated 7.4/10 by our users.

  • Lufthansa Flights From Rome Fiumicino Airport to San Francisco

    Across 7,409 Lufthansa reviews on momondo, the average score is 6.8/10. Lufthansa flies from Rome Fiumicino Airport to San Francisco about 7 times each week, with ticket deals ranging from $610 to $818. Price data is based on momondo searches in the last 72 hours.

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
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?

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.

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