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Cheap flights from Rome to San Francisco from $257

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 9/4. 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

Condor Logo
8:20 am - 2:30 pmFCO-SFO
15h 10m1 stop
Condor Logo
4:30 pm - 4:55 pmSFO-FCO
15h 25m1 stop
$432Condor
Find Deal
Thu, Sep 18 - Mon, Sep 29
TAP AIR PORTUGAL Logo
4:40 pm - 2:30 pmFCO-SFO
30h 50m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 6:45 pmSFO-FCO
17h 10m1 stop
$441TAP AIR PORTUGAL
Find Deal
Tue, Dec 2 - Wed, Dec 10
Condor Logo
8:20 am - 2:30 pmFCO-SFO
15h 10m1 stop
Condor Logo
4:30 pm - 4:55 pmSFO-FCO
15h 25m1 stop
$442Condor
Find Deal
Thu, Sep 18 - Mon, Sep 29
Condor Logo
8:20 am - 2:30 pmFCO-SFO
15h 10m1 stop
Condor Logo
4:30 pm - 4:55 pmSFO-FCO
15h 25m1 stop
$447Condor
Find Deal
Wed, Sep 24 - Wed, Oct 8
Condor Logo
8:20 am - 2:30 pmFCO-SFO
15h 10m1 stop
Condor Logo
4:30 pm - 4:55 pmSFO-FCO
15h 25m1 stop
$449Condor
Find Deal
Wed, Sep 24 - Wed, Oct 8
ITA Airways Logo
9:20 am - 1:25 pmFCO-SFO
13h 05mnonstop
ITA Airways Logo
3:15 pm - 12:15 pmSFO-FCO
12h 00mnonstop
$537ITA Airways
Find Deal
Wed, Sep 24 - Wed, Oct 8
Logo
8:20 am - 2:30 pmFCO-SFO
15h 10m1 stop
Logo
7:00 am - 4:55 pmSFO-FCO
24h 55m2 stops
$541
Find Deal
Thu, Oct 16 - Thu, Oct 23
ITA Airways Logo
9:20 am - 1:25 pmFCO-SFO
13h 05mnonstop
ITA Airways Logo
3:15 pm - 12:15 pmSFO-FCO
12h 00mnonstop
$563ITA Airways
Find Deal
Mon, Sep 1 - Tue, Sep 16
Logo
8:50 am - 12:43 pmFCO-SFO
36h 53m1 stop
Logo
8:48 am - 3:30 pmSFO-FCO
21h 42m2 stops
$572
Find Deal
Mon, Sep 8 - Tue, Sep 23
American Airlines Logo
1:35 pm - 12:17 amFCO-SFO
19h 42m2 stops
American Airlines Logo
2:10 pm - 7:15 pmSFO-FCO
20h 05m2 stops
$578American Airlines
Find Deal
Fri, Oct 17 - Thu, Oct 23

ITA Airways flights from Rome to San Francisco

Our best ITA Airways deals on Rome to San Francisco flight tickets
ITA Airways
Sep 24
FCO9:20 amRome Fiumicino
13h 05m
SFO1:25 pmSan Francisco
Oct 8
SFO3:15 pmSan Francisco
12h 00m
FCO12:15 pmRome Fiumicino
$537
Find similar
ITA Airways
Sep 1
FCO9:20 amRome Fiumicino
13h 05m
SFO1:25 pmSan Francisco
Sep 16
SFO3:15 pmSan Francisco
12h 00m
FCO12:15 pmRome Fiumicino
$563
Find similar
ITA Airways
Aug 31
FCO9:20 amRome Fiumicino
13h 05m
SFO1:25 pmSan Francisco
Sep 16
SFO3:15 pmSan Francisco
12h 00m
FCO12:15 pmRome Fiumicino
$564
Find similar

Condor flights from Rome to San Francisco

Our best Condor deals on Rome to San Francisco flight tickets
Condor
Sep 18
FCO8:20 amRome Fiumicino
15h 10m
1 stop
SFO2:30 pmSan Francisco
Sep 29
SFO4:30 pmSan Francisco
15h 25m
1 stop
FCO4:55 pmRome Fiumicino
$432
Find similar
Condor
Sep 18
FCO8:20 amRome Fiumicino
15h 10m
1 stop
SFO2:30 pmSan Francisco
Sep 29
SFO4:30 pmSan Francisco
15h 25m
1 stop
FCO4:55 pmRome Fiumicino
$442
Find similar
Condor
Sep 24
FCO8:20 amRome Fiumicino
15h 10m
1 stop
SFO2:30 pmSan Francisco
Oct 8
SFO4:30 pmSan Francisco
15h 25m
1 stop
FCO4:55 pmRome Fiumicino
$447
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 July 31, 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

Thu 9/18

8:20 am-2:30 pm

1 stop15h 10m

San Francisco

Mon 9/29

4:30 pm-4:55 pm

1 stop15h 25m

$432

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Tue 12/2

4:40 pm-2:30 pm

1 stop30h 50m

San Francisco

Wed 12/10

4:35 pm-6:45 pm

1 stop17h 10m

$441

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 9/18

8:20 am-2:30 pm

1 stop15h 10m

San Francisco

Mon 9/29

4:30 pm-4:55 pm

1 stop15h 25m

$442

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Wed 9/24

8:20 am-2:30 pm

1 stop15h 10m

San Francisco

Wed 10/8

4:30 pm-4:55 pm

1 stop15h 25m

$447

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Wed 9/24

8:20 am-2:30 pm

1 stop15h 10m

San Francisco

Wed 10/8

4:30 pm-4:55 pm

1 stop15h 25m

$449

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Wed 9/24

9:20 am-1:25 pm

Nonstop13h 05m

San Francisco

Wed 10/8

3:15 pm-12:15 pm

Nonstop12h 00m

$537

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 10/16

8:20 am-2:30 pm

1 stop15h 10m

San Francisco

Thu 10/23

7:00 am-4:55 pm

2 stops24h 55m

$541

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Mon 9/1

9:20 am-1:25 pm

Nonstop13h 05m

San Francisco

Tue 9/16

3:15 pm-12:15 pm

Nonstop12h 00m

$563

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Mon 9/8

8:50 am-12:43 pm

1 stop36h 53m

San Francisco

Tue 9/23

8:48 am-3:30 pm

2 stops21h 42m

$572

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 10/17

1:35 pm-12:17 am

2 stops19h 42m

San Francisco

Thu 10/23

2:10 pm-7:15 pm

2 stops20h 05m

$578

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 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 $623.

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 $746. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $962.

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 $867.

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 $722 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 $620 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 July 2025, prices for Rome to San Francisco flights are approximately 1% cheaper 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

$257

Fastest flight time

13h 05m

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 $257. The best round-trip flight deal from Rome to San Francisco found on momondo in the last 72 hours is $432.
The fastest flight from Rome to San Francisco takes 13h 05m
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 13h 05m.

  • 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
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $552Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
ITA AirwaysPriceFrom $575Free CancellationRating
6.7
1,011 reviews
Search ITA Airways flights
United AirlinesPriceFrom $604Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
LufthansaPriceFrom $610Free CancellationRating
6.8
7,275 reviews
Search Lufthansa 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 $770, but momondo users have found United Airlines deals from Rome to San Francisco from as low as $604 round-trip. United Airlines has been scored 7.4/10 in 8,900 reviews.

  • Lufthansa Flights From Rome to San Francisco

    Lufthansa (6.8/10 from 7,275 reviews) operates around 7 flights from Rome to San Francisco in any given week. The average Lufthansa airfare for this route is around $742, 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.

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
Calistoga
Hayward
Bodega Bay
Sonoma
Roseville
Santa Clara
Big Sur
Daly City
Berkeley
Walnut Creek
Fremont
Half Moon Bay
South San Francisco
Redwood City
Vallejo
Sunnyvale
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

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