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

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $460 (lol.travel) |
Popular in | July |
Cheapest in | March |
Average price | $620 |
Good round-trip deal | $689 or less |
Good one-way deal | $691 or less |
Fly from
Fly to
Route
Depart
Return
Price
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
jue. 1/22
7:35 pm-4:05 pm
1 stop29h 30m
San Francisco
sáb. 1/31
4:35 pm-6:45 pm
1 stop17h 10m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
mar. 2/17
4:40 pm-2:30 pm
1 stop30h 50m
San Francisco
lun. 2/23
4:35 pm-12:05 am
1 stop22h 30m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
jue. 11/20
7:05 am-3:55 pm
1 stop17h 50m
San Francisco
lun. 12/8
5:00 am-7:55 am
2 stops17h 55m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
jue. 11/20
7:05 am-7:46 pm
2 stops21h 41m
San Francisco
dom. 11/23
4:51 pm-8:30 am
1 stop30h 39m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
jue. 11/20
7:05 am-5:28 pm
2 stops19h 23m
San Francisco
jue. 11/27
7:00 am-8:30 am
2 stops16h 30m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
vie. 12/12
6:00 am-4:05 pm
1 stop19h 05m
San Francisco
lun. 12/29
4:35 pm-12:05 am
1 stop22h 30m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
jue. 4/16
11:55 am-2:40 pm
1 stop35h 45m
San Francisco
vie. 5/1
4:45 pm-6:35 pm
1 stop16h 50m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
sáb. 1/31
7:15 pm-8:10 pm
1 stop33h 55m
San Francisco
mar. 2/3
6:40 pm-7:40 pm
1 stop16h 00m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
mar. 2/17
1:10 pm-10:59 pm
1 stop18h 49m
San Francisco
lun. 2/23
12:10 pm-2:55 pm
2 stops17h 45m
RomeSan Francisco
FCO - SFO
FCOSFO
Rome Fiumicino
mar. 2/17
9:45 am-3:55 pm
1 stop15h 10m
San Francisco
dom. 2/22
6:45 am-7:45 am
1 stop16h 00m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
The best time to book flights from Rome to San Francisco is 48 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, January is the cheapest month in which you can book a flight from Rome to San Francisco (average of $426). 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.
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.
Frankfurt am Main (FRA) – chosen by Cheapflights users on 50% of 1-stop itineraries from Rome to San Francisco on Cheapflights.
London (LHR) is the most affordable 1-stop option, with an average round-trip price of $777.
Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 15h 20m.
Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 30m.
Comfort
Boarding
Food
Entertainment
Crew
Overall
Reviews
Anonymous,Sep 2025
FRA - SFO
Comfort
Boarding
Food
Entertainment
Crew
Overall
Reviews
Anonymous,Sep 2025
FRA - SFO
Comfort
Boarding
Food
Entertainment
Crew
Overall
Reviews
Anonymous,Sep 2025
FRA - SFO
Comfort
Boarding
Food
Entertainment
Crew
Overall
Reviews
Anonymous,Sep 2025
FRA - SFO
Comfort
Boarding
Food
Entertainment
Crew
Overall
Reviews
Anonymous,Sep 2025
FRA - SFO
Comfort
Boarding
Food
Entertainment
Crew
Overall
Reviews
Anonymous,Sep 2025
FRA - SFO
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$426 | Average$555 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$565 | Average$767 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$575 | Average$749 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$615 | Average$818 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$624 | Average$792 | FlexibilityNo cancel fee | On-time70% |