Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Rome to San Francisco
The cheapest flights right now
Rome – San Francisco
Outbound – Aug 30, 2026
direct
13h 5m Return – Sep 16, 2026
direct
12h 0m $663
3 days ago
Rome – San Francisco
Outbound – Aug 30, 2026
direct
12h 45m Return – Sep 16, 2026
direct
11h 50m $840
3 days ago
Rome – San Francisco
Outbound – Aug 30, 2026
direct
12h 45m Return – Sep 16, 2026
direct
11h 50m $888
3 days ago
Rome – San Francisco
Outbound – Aug 30, 2026
1 stop
15h 20m FRA
Return – Sep 16, 2026
1 stop
14h 20m FRA
$571
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$636
Average price of a round trip
$640
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
30h51
A flight from Rome to San Francisco takes on average 30h51.
Best time
April
According to user searches, the ideal month to go to San Francisco is April.
Tips for finding a cheap flight from Rome to San Francisco
Check out our tips for booking your flight to San Francisco (USA) from Rome (Italy) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is April, with an average flight ticket price of $375 (calculation over the last two years). The most touristic season corresponds to the months of April, October and December.
For the cheapest flights, it is advisable to buy your ticket at least 109 days before the departure date.
The airline offering the cheapest flight tickets is WestJet. A ticket from the airline WestJet to San Francisco costs on average $638.
The airlines that offer the most flights are .
info departure city :
Rome, Italy
airports :
Ciampino-G. B. Pastine International Airport (CIA)
Rome-Fiumicino International Airport (FCO)
local time :
Rome is a city in the country Italy, the time zone is [[timezone]]. In Rome, it is currently {fromLocalTime}, the temperature is on average 31°C, with a minimum of 24°C and a maximum of 39°C.
The city of Rome (ROM) has 2 airport(s): Ciampino-G. B. Pastine and Rome-Fiumicino
destination info :
San Francisco, USA
airport :
San Francisco International Airport (SFO)
local time :
San Francisco is in the country USA, the time zone is [[timezone]]. In San Francisco, it is currently {toLocalTime}, the temperature is on average 15°C, with a minimum of 12°C and a maximum of 22°C.
The city of San Francisco has 1 airport(s): San Francisco
Useful info about San Francisco
What is the least touristic period to go to San Francisco?
If you want to visit San Francisco during the least touristic period, choose the month of April.
What is the most popular time to travel to San Francisco?
In San Francisco, the most popular month is April. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Rome to San Francisco?
According to our data, it is recommended to book your flight 109 days before your departure. If you book your flight ticket 16 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Rome to San Francisco is Monday.
What are the arrival and destination airports when traveling between Rome and San Francisco?
When you leave, you can leave from Ciampino-G. B. Pastine or Rome-Fiumicino, and you will arrive at .
How to reach Rome airport from the city centre?
The airport Ciampino-G. B. Pastine is located 15 km or Rome-Fiumicino is located 24 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Rome to San Francisco?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Rome and San Francisco?
In summer, the average temperature is 17°C in San Francisco and 25°C in Rome. The average rainfall in summer is 1 mm in San Francisco and 26 mm in Rome. In summer, it is warmer in Rome and it rains less in San Francisco. In winter, it is colder in San Francisco and it rains more in Rome.