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

British Airways, at $540, was found to be the cheapest airline from Rome to San Francisco.Alternate airlines to your destination round-trip include TAP AIR PORTUGAL and Scandinavian Airlines. 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $468. Aer Lingus flights start at $480 while deals on Condor start at $500 one-way.

What is the cheapest day to fly from Rome to San Francisco?

Travelers seeking maximum savings on their Rome to San Francisco flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from Rome to San Francisco?

The cheapest flight price from Rome to San Francisco is $598. On average you can expect to pay $1,629. The most popular route, (Rome Fiumicino - San Francisco), can usually be booked for $460.

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

Consider SAUDIA (60%), Etihad Airways (60%) or ITA Airways (60%) when booking your flight. These represent the most reliable airlines when flying from Rome to San Francisco.

What are the most popular airlines that fly from Rome to San Francisco?

ITA Airways, British Airways and Lufthansa are the most popular airlines when flying from Rome to San Francisco.

What is the cheapest day to fly round-trip from Rome to San Francisco?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Francisco. Check prices with Cheapflights to find a great deal for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 45% on flights from Rome to San Francisco compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $648. For sooner than that we have options available in the next 3 days from $648.

What is the cheapest month to fly from Rome to San Francisco?

March can be a great time to fly to San Francisco from Rome with a flight ticket averaging about $685. Cheapflights users have found deals in the month of March for as cheap as $440. The most expensive prices can be found in the month of July.

Most accurate provider : When it comes to deals on Rome-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rome-San Francisco flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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. 5 airlines have flights to San Francisco from Rome on a regular basis.

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.

$444+ Flights from Rome to San Francisco

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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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Rome to San Francisco are usually found in March or February, booked 60 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Rome to San Francisco

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$540 (lol.travel)
One-way from	$444 (Kiwi.com)
Popular in	July
Cheapest in	March
Average price	$566
Good round-trip deal	$685 or less
Good one-way deal	$673 or less

Provider with most accurate pricing for Rome (ROM)-San Francisco flight deals.

Search Deals

Provider most trusted by Cheapflights users for Rome (ROM)-San Francisco flights.

Search Deals

From Rome (ROM) to San Francisco

Search Deals

One-way flight from Rome (ROM) to San Francisco

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($110 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Rome (ROM) to San Francisco.

Search Deals

Price to beat on a one-way flight from Rome (ROM) to San Francisco.

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Find 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 March 28, 2025.

Fri 4/1110:00 amFCO - SFO

1 stop22h 41mBritish Airways

Sat 4/262:27 pmSFO - FCO

1 stop32h 38mBritish Airways

Deal found 3/27

$540

Mon 9/15:55 amFCO - SFO

1 stop17h 35mTAP AIR PORTUGAL

Sat 9/67:20 pmSFO - FCO

1 stop30h 00mTAP AIR PORTUGAL

Deal found 3/27

$542

Thu 4/31:35 pmFCO - SFO

1 stop19h 45mAmerican Airlines

Wed 4/1612:47 amSFO - FCO

1 stop22h 18mAmerican Airlines

Deal found 3/27

$543

Sun 8/247:35 pmFCO - SFO

1 stop29h 55mScandinavian Airlines

Fri 9/127:40 pmSFO - FCO

1 stop14h 05mScandinavian Airlines

Deal found 3/27

$545

Thu 11/2010:45 amFCO - SFO

2 stops19h 10mMultiple Airlines

Sat 11/294:28 pmSFO - FCO

2 stops18h 12mMultiple Airlines

Deal found 3/27

$547

Sun 4/61:35 pmFCO - SFO

1 stop19h 35mIberia

Fri 4/182:45 pmSFO - FCO

1 stop33h 25mIberia

Deal found 3/27

$551

Thu 11/2010:45 amFCO - SFO

2 stops19h 10mFinnair

Thu 11/2710:25 amSFO - FCO

2 stops22h 30mFinnair

Deal found 3/27

$554

Thu 4/37:40 pmFCO - SFO

1 stop25h 05mKLM

Thu 4/179:39 amSFO - FCO

1 stop15h 26mKLM

Deal found 3/27

$566

Thu 11/209:15 amFCO - SFO

Nonstop12h 50mITA Airways

Thu 11/273:05 pmSFO - FCO

Nonstop12h 10mITA Airways

Deal found 3/27

$568

Thu 4/36:05 amFCO - SFO

1 stop15h 45mDelta

Thu 4/1711:09 amSFO - FCO

2 stops18h 41mDelta

Deal found 3/27

$608

Thu 4/37:30 amFCO - SFO

1 stop17h 25mAer Lingus

Thu 4/175:45 pmSFO - FCO

1 stop17h 05mAer Lingus

Deal found 3/27

$614

Mon 11/107:05 amFCO - SFO

2 stops21h 07mUnited Airlines

Fri 11/2111:00 pmSFO - FCO

1 stop23h 45mUnited Airlines

Deal found 3/27

$626

Best flights from Rome to San Francisco
Discover carefully curated flight deals from Rome to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Fri 4/1110:00 amFCO - SFO

1 stop22h 41mBritish Airways

Sat 4/262:27 pmSFO - FCO

1 stop32h 38mBritish Airways

Deal found 3/27

$540

Mon 9/15:55 amFCO - SFO

1 stop17h 35mTAP AIR PORTUGAL

Sat 9/67:20 pmSFO - FCO

1 stop30h 00mTAP AIR PORTUGAL

Deal found 3/27

$542

Thu 8/2810:40 amFCO - SFO

2 stops20h 39mMultiple Airlines

Mon 9/81:31 pmSFO - FCO

2 stops17h 24mMultiple Airlines

Deal found 3/27

$543

Sun 8/247:35 pmFCO - SFO

1 stop29h 55mScandinavian Airlines

Fri 9/127:40 pmSFO - FCO

1 stop14h 05mScandinavian Airlines

Deal found 3/27

$545

Wed 4/1610:00 amFCO - SFO

1 stop21h 36mIberia

Wed 4/238:05 amSFO - FCO

1 stop15h 00mIberia

Deal found 3/27

$553

Thu 4/2411:05 amFCO - SFO

1 stop21h 04mFinnair

Mon 4/2810:40 amSFO - FCO

2 stops22h 20mFinnair

Deal found 3/28

$566

Mon 9/159:10 amFCO - SFO

Nonstop13h 05mITA Airways

Wed 9/243:15 pmSFO - FCO

Nonstop12h 00mITA Airways

Deal found 3/27

$569

Thu 4/176:30 amFCO - SFO

1 stop14h 15mDelta

Thu 4/241:45 pmSFO - FCO

2 stops18h 45mDelta

Deal found 3/28

$603

Sat 5/247:40 pmFCO - SFO

1 stop25h 05mKLM

Tue 6/31:45 pmSFO - FCO

1 stop24h 00mKLM

Deal found 3/27

$607

Thu 4/107:30 amFCO - SFO

1 stop17h 25mAer Lingus

Thu 4/245:45 pmSFO - FCO

1 stop17h 05mAer Lingus

Deal found 3/26

$616

Thu 6/57:10 amFCO - SFO

2 stops19h 30mUnited Airlines

Mon 6/1611:55 pmSFO - FCO

1 stop26h 50mUnited Airlines

Deal found 3/28

$620

Thu 7/176:55 amFCO - SFO

2 stops25h 53mAmerican Airlines

Wed 8/69:49 amSFO - FCO

2 stops16h 31mAmerican Airlines

Deal found 3/27

$632

Last-minute flights from Rome to San Francisco
Discover last-minute flight deals from Rome to San Francisco. Data last updated March 28, 2025 and is based on user searches.

Sun 3/307:35 pmFCO - SFO

1 stop29h 55mScandinavian Airlines

Sun 4/137:40 pmSFO - FCO

1 stop14h 05mScandinavian Airlines

Deal found 3/27

$650

Thu 4/31:35 pmFCO - SFO

1 stop19h 45mAmerican Airlines

Wed 4/1612:47 amSFO - FCO

1 stop22h 18mAmerican Airlines

Deal found 3/27

$543

Thu 4/310:00 amFCO - SFO

1 stop18h 00mBritish Airways

Thu 4/1710:48 pmSFO - FCO

2 stops29h 22mBritish Airways

Deal found 3/27

$548

Thu 4/37:40 pmFCO - SFO

1 stop25h 05mKLM

Thu 4/179:39 amSFO - FCO

1 stop15h 26mKLM

Deal found 3/27

$566

Thu 4/39:10 amFCO - SFO

Nonstop13h 05mITA Airways

Thu 4/173:15 pmSFO - FCO

Nonstop12h 00mITA Airways

Deal found 3/27

$600

Thu 4/36:05 amFCO - SFO

1 stop15h 45mDelta

Thu 4/1711:09 amSFO - FCO

2 stops18h 41mDelta

Deal found 3/27

$608

Thu 4/37:30 amFCO - SFO

1 stop17h 25mAer Lingus

Thu 4/175:45 pmSFO - FCO

1 stop17h 05mAer Lingus

Deal found 3/27

$614

Thu 4/312:25 pmFCO - SFO

1 stop18h 12mUnited Airlines

Thu 4/174:25 pmSFO - FCO

Nonstop11h 55mUnited Airlines

Deal found 3/27

$640

Thu 4/39:40 amFCO - SFO

2 stops18h 40mSWISS

Thu 4/177:30 pmSFO - FCO

1 stop14h 50mSWISS

Deal found 3/27

$1,041

Thu 4/312:25 pmFCO - SFO

2 stops20h 58mIcelandair

Thu 4/1711:28 amSFO - FCO

2 stops18h 07mIcelandair

Deal found 3/27

$1,229

Thu 4/310:25 amFCO - SFO

2 stops19h 15mDelta

Thu 4/1711:09 amSFO - FCO

2 stops18h 41mDelta

Deal found 3/27

$608

Sun 4/61:35 pmFCO - SFO

1 stop19h 35mIberia

Fri 4/182:45 pmSFO - FCO

1 stop33h 25mIberia

Deal found 3/27

$551

One-way flights from Rome to San Francisco
Search for one-way flight options from Rome to San Francisco. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Sun 5/187:00 amFCO - SFO

2 stops33h 31mMultiple Airlines

Deal found 3/28

$444

Sat 5/246:00 amCIA - SFO

2 stops24h 25mMultiple Airlines

Deal found 3/26

$453

Wed 8/278:00 pmFCO - SFO

1 stop27h 30mTAP AIR PORTUGAL

Deal found 3/28

$468

Thu 4/107:30 amFCO - SFO

1 stop17h 25mAer Lingus

Deal found 3/27

$480

Sat 5/178:00 amFCO - SFO

1 stop15h 30mCondor

Deal found 3/28

$500

Thu 6/267:25 pmFCO - SFO

1 stop24h 10mTurkish Airlines

Deal found 3/27

$509

Thu 6/52:25 pmFCO - SFO

2 stops32h 34mWestJet

Deal found 3/27

$518

Sat 4/51:35 pmFCO - SFO

1 stop19h 35mIberia

Deal found 3/27

$619

Mon 4/213:40 pmFCO - SFO

Nonstop12h 40mLufthansa

Deal found 3/27

$621

Sat 8/912:20 pmFCO - SFO

2 stops19h 04mBritish Airways

Deal found 3/27

$633

Thu 9/119:10 amFCO - SFO

Nonstop13h 05mITA Airways

Deal found 3/27

$646

Sun 5/2510:40 amFCO - SFO

2 stops19h 20mFinnair

Deal found 3/28

$712

Cheapflights Fare Finder

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 4/11

10:00 am-11:41 pm

1 stop22h 41m

San Francisco

Sat 4/26

2:27 pm-8:05 am

1 stop32h 38m

$540

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 4/3

1:35 pm-12:20 am

1 stop19h 45m

San Francisco

Wed 4/16

12:47 am-8:05 am

1 stop22h 18m

$543

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sun 4/6

1:35 pm-12:10 am

1 stop19h 35m

San Francisco

Fri 4/18

2:45 pm-9:10 am

1 stop33h 25m

$551

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Sun 4/6

1:35 pm-12:10 am

1 stop19h 35m

San Francisco

Fri 4/18

1:07 pm-4:25 pm

2 stops18h 18m

$554

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 4/3

7:40 pm-11:45 am

1 stop25h 05m

San Francisco

Thu 4/17

9:39 am-10:05 am

1 stop15h 26m

$566

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 4/3

9:10 am-1:15 pm

Nonstop13h 05m

San Francisco

Thu 4/17

3:15 pm-12:15 pm

Nonstop12h 00m

$600

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 4/3

6:05 am-12:50 pm

1 stop15h 45m

San Francisco

Thu 4/17

11:09 am-2:50 pm

2 stops18h 41m

$608

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Thu 4/3

7:30 am-3:55 pm

1 stop17h 25m

San Francisco

Thu 4/17

5:45 pm-7:50 pm

1 stop17h 05m

$614

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Wed 5/7

11:30 am-11:30 am

1 stop33h 00m

San Francisco

Mon 5/19

4:25 pm-1:20 pm

Nonstop11h 55m

$634

RomeSan Francisco

FCO - SFO

FCOSFO

Rome Fiumicino

Wed 4/16

7:10 am-12:40 pm

1 stop14h 30m

San Francisco

Wed 4/23

4:25 pm-1:20 pm

Nonstop11h 55m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 34 results

Compare providers for flights from Rome to San Francisco

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rome-San Francisco flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

The best time to book flights from Rome to San Francisco is 60 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, January is the cheapest month in which you can book a flight from Rome to San Francisco (average of $276). Flying from Rome to San Francisco in June is currently the most expensive (average of $398). 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?

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 17% on airfare.

Rainfall in San Francisco by month

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from Rome to San Francisco, such as Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,896 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines

7.5

Good

769 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,570 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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. 5 airlines have flights to San Francisco from Rome on a regular basis.
What are the cheapest airlines flying from Rome to San Francisco round-trip?
British Airways, at $540, was found to be the cheapest airline from Rome to San Francisco.Alternate airlines to your destination round-trip include TAP AIR PORTUGAL and Scandinavian Airlines. 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $468. Aer Lingus flights start at $480 while deals on Condor start at $500 one-way.
What are the most reliable airlines from Rome to San Francisco?
Consider SAUDIA (60%), Etihad Airways (60%) or ITA Airways (60%) 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 $598. On average you can expect to pay $1,629. The most popular route, (Rome Fiumicino - San Francisco), can usually be booked for $460.
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, January is the cheapest month in which you can book a flight from Rome to San Francisco (average of $276). Flying from Rome to San Francisco in June is currently the most expensive (average of $398). 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

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Fairfield

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Manteca

Sausalito

Richmond

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Hollister

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Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Rome to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest$426	Average$573	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$534	Average$770	FlexibilityNo cancel fee	On-time69%
ITA Airways	Cheapest$544	Average$721	FlexibilityNo cancel fee	On-time81%
British Airways	Cheapest$552	Average$796	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$610	Average$660	FlexibilityNo cancel fee	On-time76%

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$444+ Cheap flights from Rome (ROM) to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Rome to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Rome to San Francisco are usually found in March or February, booked 60 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Rome to San Francisco

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Rome to San Francisco

Cheapest flights from Rome to San FranciscoExplore 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 March 28, 2025.

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 March 28, 2025.

Cheapflights Fare Finder

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

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 March.

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.

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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 March 21, 2025.

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

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 March 28, 2025.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from Rome to San Francisco, such as Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

What are the cheapest flights from Rome to San Francisco?

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

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

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

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

Traveling to a place near Rome?

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Alternative routes for Rome to San Francisco

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Top 5 airlines flying from Rome to San Francisco

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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 March 28, 2025.