San Francisco

$514+ Cheap flights from Rome (ROM) to San Francisco (SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
ROM — SFO
Jan 17 — Jan 241
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Find cheap flights from Rome to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Rome to San Francisco are usually found in February or November, booked 73 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap flight deals from Rome to San Francisco

Cheapest flights from Rome to San Francisco
Explore the most affordable flight options available from Rome to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This lol.travel deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:35 pmFCO - SFO
1 stop27h 55mTAP AIR PORTUGAL
Fri 1/27:10 pmSFO - FCO
1 stop35h 40mTAP AIR PORTUGAL
Deal found 12/17$656
This Trip.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:40 pmFCO - SFO
1 stop32h 25mTAP AIR PORTUGAL
Wed 3/255:35 pmSFO - FCO
1 stop22h 30mTAP AIR PORTUGAL
Deal found 12/16$677
This Gotogate deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:10 amFCO - SFO
Nonstop12h 55mITA Airways
Thu 1/83:05 pmSFO - FCO
Nonstop12h 10mITA Airways
Deal found 12/17$710
This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:35 pmFCO - SFO
1 stop28h 00mTAP AIR PORTUGAL
Mon 12/294:35 pmSFO - FCO
1 stop17h 10mTAP AIR PORTUGAL
Deal found 12/16$745
This Scandinavian Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:15 pmFCO - SFO
1 stop28h 20mScandinavian Airlines
Sun 3/225:40 pmSFO - FCO
1 stop33h 25mScandinavian Airlines
Deal found 12/16$751
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:10 amFCO - SFO
Nonstop12h 55mMultiple Airlines
Wed 3/2511:00 amSFO - FCO
1 stop17h 20mMultiple Airlines
Deal found 12/16$757
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:40 pmFCO - SFO
1 stop32h 25mTAP AIR PORTUGAL
Mon 3/235:35 pmSFO - FCO
1 stop17h 10mTAP AIR PORTUGAL
Deal found 12/16$766
This ITA Airways deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:10 amFCO - SFO
1 stop17h 00mMultiple Airlines
Thu 1/83:05 pmSFO - FCO
Nonstop12h 10mMultiple Airlines
Deal found 12/16$790
This Mytrip deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 amCIA - SFO
3 stops41h 30mMultiple Airlines
Fri 1/25:20 pmSFO - CIA
2 stops17h 55mMultiple Airlines
Deal found 12/17$1,205
This Booking.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 amCIA - SFO
3 stops41h 30mMultiple Airlines
Sat 1/35:20 pmSFO - CIA
2 stops18h 35mMultiple Airlines
Deal found 12/16$1,297
This Booking.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:10 amCIA - SFO
3 stops40h 35mMultiple Airlines
Thu 3/267:30 amSFO - CIA
3 stops30h 05mMultiple Airlines
Deal found 12/16$1,418
This Mytrip deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:20 amCIA - SFO
2 stops22h 15mMultiple Airlines
Sat 1/35:20 pmSFO - CIA
2 stops18h 35mMultiple Airlines
Deal found 12/17$1,490

Find flight deals from Rome to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Rome (ROM) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$506

Popular in

January

Cheapest in

February

Average price

$849

Good round-trip deal

$3,340 or less

Good one-way deal

$837 or less
Provider with most accurate pricing for Rome (ROM)-San Francisco flight deals.
Provider most trusted by Cheapflights users for Rome (ROM)-San Francisco flights.
From Rome (ROM) to San Francisco
Highest demand for flights based on searches. 9% potential increase in price ($72 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Rome (ROM) to San Francisco.
Price to beat on a one-way flight from Rome (ROM) to San Francisco.

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Rome to San Francisco that are best for you.

Fly from

Rome

Fly to

San Francisco

Route

Depart

Return

Price

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 2/26

4:40 pm-4:05 pm

1 stop32h 25m

San Francisco

Wed 3/4

4:35 pm-12:05 am

1 stop22h 30m

$541

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 2/26

10:40 am-8:42 pm

2 stops19h 02m

San Francisco

Wed 3/4

6:10 am-9:00 am

1 stop17h 50m

$621

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Mon 1/12

6:50 pm-3:00 pm

1 stop29h 10m

San Francisco

Fri 1/30

8:40 pm-9:55 pm

1 stop16h 15m

$626

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 1/16

8:00 pm-3:00 pm

1 stop28h 00m

San Francisco

Tue 1/27

5:30 pm-7:40 pm

1 stop17h 10m

$626

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Tue 1/13

8:25 pm-3:00 pm

1 stop27h 35m

San Francisco

Wed 1/28

4:30 pm-9:55 pm

2 stops20h 25m

$626

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sat 1/17

7:00 pm-3:00 pm

1 stop29h 00m

San Francisco

Sun 2/1

2:36 pm-7:55 pm

2 stops20h 19m

$626

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 1/15

8:10 pm-3:00 pm

1 stop27h 50m

San Francisco

Wed 1/28

4:30 pm-9:55 pm

2 stops20h 25m

$626

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Fri 1/16

8:00 pm-3:00 pm

1 stop28h 00m

San Francisco

Mon 1/26

8:40 pm-11:25 am

1 stop29h 45m

$626

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Sat 1/31

6:00 am-2:35 pm

2 stops17h 35m

San Francisco

Sat 2/7

4:40 pm-8:30 pm

2 stops18h 50m

$784

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Fri 1/30

10:50 am-2:45 pm

3 stops36h 55m

San Francisco

Fri 2/6

2:40 pm-8:15 pm

2 stops20h 35m

$896

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 36 results
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Compare providers for flights from Rome to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rome to San Francisco in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rome-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rome-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Rome-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rome-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rome-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rome to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Rome with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rome to San Francisco

How far ahead should I book a flight from Rome to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Rome to San Francisco. Price data was last updated on December 12, 2025.

The best time to book flights from Rome to San Francisco is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Rome to San Francisco?

Currently, November is the cheapest month in which you can book a flight from Rome to San Francisco (average of $459). Flying from Rome to San Francisco in July is currently the most expensive (average of $700). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ROM to SFO?

Find hourly flight availability from Rome to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Rome to San Francisco is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 29% on airfare.

What’s the top layover airport for flights from Rome to San Francisco?

Share of 1-stop round-trip flights from Rome to San Francisco chosen by Cheapflights users in the past 12 months, using the same layover each way.

Frankfurt am Main (FRA) – chosen by Cheapflights users on 50% of 1-stop itineraries from Rome to San Francisco on Cheapflights.

What’s the cheapest layover airport for flights from Rome to San Francisco?

Average round-trip fare for 1-stop flights from Rome to San Francisco, chosen by Cheapflights users in the past 12 months, with the same layover each way.

London (LHR) is the most affordable 1-stop option, with an average round-trip price of $777.

What’s the fastest layover option from Rome to San Francisco?

Shortest average travel time for 1-stop one-way flights from Rome to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 15h 20m.

Which airport typically offers the quickest layover for flights from Rome to San Francisco?

Average layover duration for 1-stop one-way flights from Rome to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 30m.

How often are flights from Rome to San Francisco delayed?

About 22% of weekly flights between Rome and San Francisco have experienced delays in the past year, with the average delay time being 135 minutes.

What is the most punctual flight time for Rome to San Francisco flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Rome to San Francisco flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.

The best insider tips for Rome to San Francisco flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Rome to San Francisco trip
Airports
FCO

Consider using Fast Track at FCO for a quicker security and passport control experience, especially if you're not flying business class.

SFO

Use BART for an affordable 40-minute trip from SFO to downtown San Francisco. Purchase a Clipper Card or use the app for fare payment.

Our travel experts
Robert Schrader

Robert Schrader

Expert on FCO

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated December 18, 2025.
See what other customers who have flown with United Airlines, Lufthansa, and ITA Airways from Rome to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Rome to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Francisco from Rome?

    For a flight from Rome to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 0 inbound flights from Rome per day. 4 airlines have flights to San Francisco from Rome on a regular basis.

  • How long is the flight from Rome to San Francisco?

    For as low as $626, TAP AIR PORTUGAL can have you in San Francisco from Rome in 29h 10m. There are 6246 mi between Rome and San Francisco. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Rome to San Francisco round-trip?

    United Airlines, at $565, was found to be the cheapest airline from Rome to San Francisco.Alternate airlines to your destination round-trip include ITA Airways and Lufthansa. These flights start at 21% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Rome to San Francisco one-way?

    To fly one-way, consider booking your trip with LEVEL, which is currently one of the cheapest options available, starting at $264. TAP AIR PORTUGAL flights start at $332 while deals on WestJet start at $398 one-way.

  • What are the most reliable airlines from Rome to San Francisco?

    Consider United Airlines (60%), Lufthansa (60%) or SAUDIA (48%) when booking your flight. These represent the most reliable airlines when flying from Rome to San Francisco.

  • What are the cheapest flights from Rome to San Francisco?

    The cheapest flight price from Rome to San Francisco is $701. On average you can expect to pay $2,270. The most popular route, (Rome Fiumicino - San Francisco), can usually be booked for $506.

  • Can I find deals for flights from Rome to San Francisco that include hotel bookings?

    Yes. In addition to deals on Rome to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rome to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rome to San Francisco.

  • Can I find deals for business class flights from Rome to San Francisco?

    Yes. Cheapflights offers flight deals from Rome to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rome to San Francisco?

    Currently, November is the cheapest month in which you can book a flight from Rome to San Francisco (average of $459). Flying from Rome to San Francisco in July is currently the most expensive (average of $700). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Redwood City
Sunnyvale
Santa Clara
San Bruno
Daly City
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

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Top 4 airlines flying from Rome to San Francisco

Discover the top 4 airlines that operate flights from Rome to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$565Average$766FlexibilityNo cancel feeOn-time69%
ITA AirwaysCheapest$580Average$769FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$629Average$818FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$636Average$814FlexibilityNo cancel feeOn-time70%

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