$620+ 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
ROM — SFO
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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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 February or November, booked 82 days in advance, depart on a Friday or Wednesday and return on a Monday
Cheap flight deals from Rome to San Francisco
Cheapest
Best
Last-minute
One-way
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 September 23, 2026.
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 September 23, 2026.
This Air Canada deal was found by Cheapflights users on 9/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2111:15 am -
1 stop31h 20m
Thu 3/45:10 pm -
2 stops30h 45m
Deal found 9/21![Air Canada logo]()
$620
This Air Canada deal was found by Cheapflights users on 9/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/251:15 pm -
2 stops26h 38m
Wed 3/38:25 am -
1 stop15h 30m
Deal found 9/21![Air Canada logo]()
$621
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/249:45 am -
1 stop16h 50m
Thu 1/78:11 am -
1 stop17h 44m
Deal found 9/19![United Airlines logo]()
$622
This Air Canada deal was found by Cheapflights users on 9/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2111:15 am -
2 stops22h 44m
Sat 3/68:25 am -
2 stops39h 15m
Deal found 9/21![Air Canada logo]()
$623
This Air Canada deal was found by Cheapflights users on 9/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2411:15 am -
2 stops43h 18m
Sun 3/711:30 am -
2 stops16h 45m
Deal found 9/21![Air Canada logo]()
$624
This Air Canada deal was found by Cheapflights users on 9/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/181:15 pm -
2 stops19h 44m
Mon 2/158:40 am -
1 stop15h 15m
Deal found 9/21![Air Canada logo]()
$625
This Air Canada deal was found by Cheapflights users on 9/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:15 am -
2 stops22h 44m
Tue 3/26:30 am -
2 stops21h 45m
Deal found 9/21![Air Canada logo]()
$626
This Air Canada deal was found by Cheapflights users on 9/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:15 am -
2 stops22h 44m
Thu 3/49:00 am -
2 stops23h 45m
Deal found 9/21![Air Canada logo]()
$628
This Iberia deal was found by Cheapflights users on 9/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:30 pm -
1 stop18h 58m
Fri 10/911:39 am -
1 stop38h 41m
Deal found 9/18![Iberia logo]()
$629
This Air Canada deal was found by Cheapflights users on 9/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:15 am -
2 stops22h 44m
Mon 3/14:40 pm -
1 stop33h 15m
Deal found 9/21![Air Canada logo]()
$630
This Booking.com deal was found by Cheapflights users on 9/21. 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 10/236:55 am -
1 stop15h 55m
Thu 11/58:30 am -
2 stops18h 50m
Deal found 9/21![British Airways logo]()
$632
This Mytrip deal was found by Cheapflights users on 9/22. 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.
Thu 11/1210:55 pm -
2 stops26h 35m
Thu 11/262:45 pm -
3 stops33h 45m
Deal found 9/22![Multiple Airlines logo]()
$633
Best flights from Rome to San FranciscoDiscover 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 September 23, 2026.
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 September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:00 am -
1 stop15h 30m
Fri 10/234:50 pm -
Nonstop11h 50m
Deal found 9/22![United Airlines logo]()
$661
This Air Canada deal was found by Cheapflights users on 9/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:35 am -
2 stops21h 13m
Mon 10/2612:00 pm -
2 stops18h 00m
Deal found 9/22![Air Canada logo]()
$699
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
2 stops20h 17m
Tue 12/110:38 am -
2 stops19h 22m
Deal found 9/19![Delta logo]()
$748
This Lufthansa deal was found by Cheapflights users on 9/18. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:20 pm -
1 stop15h 30m
Thu 4/12:40 pm -
1 stop14h 25m
Deal found 9/18![Lufthansa logo]()
$811
This Finnair deal was found by Cheapflights users on 9/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:40 pm -
2 stops34h 27m
Mon 11/28:55 am -
2 stops24h 00m
Deal found 9/20![Finnair logo]()
$814
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:05 am -
1 stop21h 30m
Sat 10/315:00 am -
1 stop18h 45m
Deal found 9/18![United Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:40 pm -
Nonstop12h 45m
Fri 10/2312:35 am -
1 stop23h 10m
Deal found 9/19![United Airlines logo]()
$666
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:10 am -
2 stops18h 08m
Mon 11/29:46 am -
2 stops20h 14m
Deal found 9/18![Delta logo]()
$787
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:00 am -
2 stops18h 23m
Fri 11/61:50 pm -
2 stops17h 40m
Deal found 9/22![United Airlines logo]()
$670
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:40 pm -
Nonstop12h 45m
Mon 10/262:40 pm -
1 stop19h 20m
Deal found 9/22![United Airlines logo]()
$670
This United Airlines deal was found by Cheapflights users on 9/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:35 am -
2 stops24h 24m
Sun 1/35:00 am -
2 stops23h 30m
Deal found 9/20![United Airlines logo]()
$788
Last-minute flights from Rome to San FranciscoDiscover last-minute flight deals from Rome to San Francisco. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Rome to San Francisco. Data last updated September 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:50 am -
1 stop22h 00m
Fri 10/234:50 pm -
Nonstop11h 50m
Deal found 9/18![United Airlines logo]()
$637
This Air Canada deal was found by Cheapflights users on 9/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:50 am -
2 stops17h 31m
Fri 10/238:10 am -
1 stop16h 05m
Deal found 9/18![Air Canada logo]()
$640
This United Airlines deal was found by Cheapflights users on 9/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:10 am -
2 stops19h 10m
Sun 10/47:35 pm -
1 stop33h 45m
Deal found 9/20![United Airlines logo]()
$641
This KLM deal was found by Cheapflights users on 9/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/272:45 pm -
1 stop18h 08m
Sat 10/37:00 am -
1 stop18h 05m
Deal found 9/18![Multiple Airlines logo]()
$626
This Iberia deal was found by Cheapflights users on 9/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:30 pm -
1 stop18h 58m
Fri 10/911:39 am -
1 stop38h 41m
Deal found 9/18![Iberia logo]()
$629
This Iberia deal was found by Cheapflights users on 9/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:30 pm -
1 stop18h 58m
Sat 10/104:35 pm -
2 stops22h 40m
Deal found 9/18![Iberia logo]()
$636
This Ovago deal was found by Cheapflights users on 9/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:15 pm -
1 stop19h 44m
Sun 10/119:12 am -
1 stop14h 58m
Deal found 9/21![British Airways logo]()
$624
This Gotogate deal was found by Cheapflights users on 9/20. 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.
Fri 10/236:55 am -
1 stop15h 55m
Thu 11/58:30 am -
2 stops18h 50m
Deal found 9/20![British Airways logo]()
$623
This Expedia deal was found by Cheapflights users on 9/20. 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.
Fri 10/2310:20 am -
1 stop23h 39m
Thu 11/58:25 am -
2 stops20h 50m
Deal found 9/20![Multiple Airlines logo]()
$625
One-way flights from Rome to San FranciscoSearch for one-way flight options from Rome to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Rome to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:30 pm -
3 stops32h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$627
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:55 am -
2 stops23h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$628
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/21. 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.
Tue 10/68:00 pm -
1 stop27h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![TAP AIR PORTUGAL logo]()
$630
This Thrive Travel deal was found by Cheapflights users on 9/20. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:05 am -
2 stops18h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Lufthansa logo]()
$631
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/169:20 pm -
3 stops24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$632
This Trip.com deal was found by Cheapflights users on 9/19. 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.
Mon 9/281:35 pm -
1 stop33h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![TAP AIR PORTUGAL logo]()
$634
This KAYAK deal was found by Cheapflights users on 9/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:30 am -
1 stop17h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Aer Lingus logo]()
$635
This KAYAK deal was found by Cheapflights users on 9/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:30 am -
1 stop17h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Aer Lingus logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:05 pm -
2 stops33h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$639
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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $620 (Air Canada) |
Popular in | August |
Cheapest in | February |
Average price | $663 |
Good round-trip deal | $618 or less |
Good one-way deal | $724 or less |
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 7,457,451 searches. Data last updated September 23, 2026.
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
Cheapest round-trip
RomeSan Francisco
FCO Rome Fiumicino - SFO San Francisco
FCOSFO
Rome Fiumicino
Thu 10/22
8:05 pm-4:40 pm
1 stop29h 35m
San Francisco
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$661
RomeSan Francisco
FCO Rome Fiumicino - SFO San Francisco
FCOSFO
Rome Fiumicino
Fri 10/9
8:00 am-2:30 pm
1 stop15h 30m
San Francisco
Fri 10/23
4:50 pm-1:40 pm
Nonstop11h 50m
$661
RomeSan Francisco
FCO Rome Fiumicino - SFO San Francisco
FCOSFO
Rome Fiumicino
Mon 10/26
7:05 am-8:35 pm
1 stop21h 30m
San Francisco
Sat 10/31
5:00 am-7:45 am
1 stop18h 45m
$662
RomeSan Francisco
FCO Rome Fiumicino - SFO San Francisco
FCOSFO
Rome Fiumicino
Sat 10/17
3:40 pm-7:25 pm
Nonstop12h 45m
San Francisco
Fri 10/23
12:35 am-8:45 am
1 stop23h 10m
$666
RomeSan Francisco
FCO Rome Fiumicino - SFO San Francisco
FCOSFO
Rome Fiumicino
Fri 10/23
8:00 am-5:23 pm
2 stops18h 23m
San Francisco
Fri 11/6
1:50 pm-4:30 pm
2 stops17h 40m
$670
RomeSan Francisco
FCO Rome Fiumicino - SFO San Francisco
FCOSFO
Rome Fiumicino
Mon 10/19
3:40 pm-7:25 pm
Nonstop12h 45m
San Francisco
Mon 10/26
2:40 pm-6:00 pm
1 stop19h 20m
$670
RomeSan Francisco
FCO Rome Fiumicino - SFO San Francisco
FCOSFO
Rome Fiumicino
Mon 10/19
9:35 am-9:48 pm
2 stops21h 13m
San Francisco
Mon 10/26
12:00 pm-2:00 pm
2 stops18h 00m
$699
RomeSan Francisco
FCO Rome Fiumicino - SFO San Francisco
FCOSFO
Rome Fiumicino
Sun 9/27
6:30 am-8:50 pm
1 stop23h 20m
San Francisco
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$727
RomeSan Francisco
FCO Rome Fiumicino - SFO San Francisco
FCOSFO
Rome Fiumicino
Fri 12/18
10:20 am-10:54 pm
2 stops21h 34m
San Francisco
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$727
Quickest round-trip
RomeSan Francisco
FCO Rome Fiumicino - SFO San Francisco
FCOSFO
Rome Fiumicino
Sun 10/18
9:10 am-1:15 pm
Nonstop13h 05m
San Francisco
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$743
Showing 1-10 of 22 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
ROM-SFO
FCO-SFO
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
ROM-SFO
FCO-SFO
What is the cheapest month to book a flight from Rome to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Rome to San Francisco (average of $616). Flying from Rome to San Francisco in January is currently the most expensive (average of $956). 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 September 23, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Rome to San Francisco as you normally would.
Weekly flight availability from Rome to San Francisco
Explore weekly flight availability from Rome to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 23, 2026.
The most flights from ROM to SFO are scheduled on a Monday (5 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Rome to San Francisco?
Airfare is below average for this route at the moment.
Rome to San Francisco flights typically cost between $646 and $712 in December.The cheapest round-trip price found within the last 5 days was $620 on Air Canada (Dec 21-Mar 4).
How often are flights from Rome to San Francisco delayed?
About 27% of weekly flights between Rome and San Francisco have experienced delays in the past year, with the average delay time being 139 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?
Sunday tends to have the lowest number of delays on this route, whereas Monday 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 23% of flights being delayed.
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 63 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.
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
Our travel experts
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 September 23, 2026.
See what other customers who have flown with United Airlines,TAP AIR PORTUGAL, andITA 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
6.7
Overall
7.4
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Food
6.7
Overall
7.4
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Food
6.7
Overall
7.4
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Food
6.7
Overall
7.4
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Food
6.7
Overall
7.4
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Food
6.7
Overall
7.4
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
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.
Traveling to a place near San Francisco?
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Rome and San Francisco flights
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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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$461 | Average$813 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$565 | Average$765 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$601 | Average$755 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$620 | Average$824 | FlexibilityNo cancel fee | On-time70% |