
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $631 (Kiwi.com) |
One-way from | $513 (Cheapflightsfares) |
Popular in | July |
Cheapest in | September |
Average price | $652 |
Good round-trip deal | $730 or less |
Good one-way deal | $707 or less |
Fly from
Fly to
Route
Depart
Return
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
Wed 9/16
6:30 am-11:45 am
1 stop14h 15m
San Francisco
Sat 11/14
1:00 pm-5:25 pm
2 stops19h 25m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
Wed 10/14
1:10 pm-10:21 pm
1 stop18h 11m
San Francisco
Sun 10/18
7:30 pm-10:40 pm
1 stop18h 10m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
Sun 8/23
6:05 am-12:50 pm
1 stop15h 45m
San Francisco
Wed 9/9
1:00 pm-5:30 pm
2 stops19h 30m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
Wed 10/14
6:50 am-12:40 pm
1 stop14h 50m
San Francisco
Sun 10/18
4:50 pm-1:40 pm
Nonstop11h 50m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
Wed 10/21
3:40 pm-7:25 pm
Nonstop12h 45m
San Francisco
Sun 10/25
5:20 am-7:45 am
1 stop18h 25m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
Sun 6/21
8:00 pm-10:50 am
1 stop23h 50m
San Francisco
Fri 7/10
6:45 pm-11:35 pm
1 stop19h 50m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
Tue 6/23
6:50 am-12:40 pm
1 stop14h 50m
San Francisco
Mon 6/29
7:35 pm-7:25 pm
1 stop14h 50m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
Tue 6/23
6:50 am-3:15 pm
1 stop17h 25m
San Francisco
Tue 6/30
2:00 pm-3:05 pm
1 stop16h 05m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
Tue 5/26
8:10 am-7:57 pm
2 stops20h 47m
San Francisco
Tue 6/2
4:30 pm-3:50 pm
1 stop14h 20m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
Fri 7/17
10:20 am-1:15 am
1 stop23h 55m
San Francisco
Fri 7/31
4:55 pm-1:40 pm
Nonstop11h 45m
| 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 |
The best time to book flights from Rome to San Francisco is 86 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.
Currently, May is the cheapest month in which you can book a flight from Rome to San Francisco (average of $289). Flying from Rome to San Francisco in July is currently the most expensive (average of $575). 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.
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.
The most flights from ROM to SFO are scheduled on a Tuesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
About 22% of weekly flights between Rome and San Francisco have experienced delays in the past year, with the average delay time being 138 minutes.
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.
Saturday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.
Boarding
Food
Crew
Overall
Comfort
Entertainment
Reviews
Anonymous,Sep 2025
FRA - SFO
Boarding
Food
Crew
Overall
Comfort
Entertainment
Reviews
Anonymous,Sep 2025
FRA - SFO
Boarding
Food
Crew
Overall
Comfort
Entertainment
Reviews
Anonymous,Sep 2025
FRA - SFO
Boarding
Food
Crew
Overall
Comfort
Entertainment
Reviews
Anonymous,Sep 2025
FRA - SFO
Boarding
Food
Crew
Overall
Comfort
Entertainment
Reviews
Anonymous,Sep 2025
FRA - SFO
Boarding
Food
Crew
Overall
Comfort
Entertainment
Reviews
Anonymous,Sep 2025
FRA - SFO
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$562 | Average$828 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$594 | Average$760 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$620 | Average$824 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$682 | Average$877 | FlexibilityNo cancel fee | On-time76% |