Cheap flights from San Francisco to Rome from $652 SFO → CIA, FCO
San Francisco International Airport (SFO) → Ciampino-G. B. Pastine International Airport (CIA), Leonardo da Vinci-Fiumicino Airport (FCO)
The cheapest return found recently is $652 with SAS Scandinavian, 18 Jan 2027 – 22 Jan 2027, found 2 days ago.
- Cheapest return found recently
- $652, 18 Jan 2027 to 22 Jan 2027
- Usual return price
- $927 to $1,683
- Cheapest month to fly
- January 2027, return fares from $652 found in the last 7 days
Return
The cheapest return fare on each of 4 departure dates is usually $927 to $1,683.
Cheapest return found recently
$652
18 Jan 2027 – 22 Jan 2027 · SAS Scandinavian
San Francisco International Airport (SFO) → Leonardo da Vinci-Fiumicino Airport (FCO)
Leaves 4:45 p.m. · Return leaves 11:55 a.m. · 69 h 15 min of travel, both ways together
out 1 stop, back 1 stop · via Copenhagen Airport (CPH) · overnight connection · 22 h connection
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$652 18 Jan 2027 – 22 Jan 2027found 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $378 to $1,730.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 4 departure dates from 18 Dec to 13 Jun 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 4-night return fares leaving within 3 days of 18 Jan 2027 to compare.
Every date we hold
22 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 18 Dec – 29 Dec | $1,819 | Alaska Airlines | San Francisco International Airport (SFO) → Ciampino-G. B. Pastine International Airport (CIA) | out 3 stops, back 3 stops | found 4 days ago | See prices for these dates |
| 19 Dec – 29 Dec | $1,637 | Frontier Airlines | San Francisco International Airport (SFO) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 2 stops, back 3 stops | found 4 days ago | See prices for these dates |
| 18 Jan 2027 – 22 Jan 2027 | $652 | SAS Scandinavian | San Francisco International Airport (SFO) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 13 Jun 2027 – 3 Jul 2027 | $1,018 | SAS Scandinavian | San Francisco International Airport (SFO) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $652.
Airlines on the cheapest dates: SAS Scandinavian, Alaska Airlines, Frontier Airlines.
Premium cabin fares from San Francisco to Rome
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 18 Jan 2027 – 22 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Francisco to Rome?
Return
Fares 90 to 179 days before departure were typically 10% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $766 | $766 | +11% | 9 |
| 30–59 days | $1,453 | $763 | +111% | 24 |
| 60–89 days | $854 | $378 | +24% | 36 |
| 90–179 days | $689 | $654 | Cheapest seen | 19 |
| 180+ days | $792 | $752 | +15% | 20 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
San Jose → Rome
67 km from San Francisco
$999
$347 more than flying from San Francisco
6 Mar 2027 – 15 Mar 2027 · SJC → FCO · out 2 stops, back 2 stops
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Sacramento → Rome
121 km from San Francisco
$571
1 Jun 2027 · SMF → FCO · 3 stops
found 5 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 18 Jan 2027 – 22 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from San Francisco to Rome?
The cheapest return found recently is $652 with SAS Scandinavian, 18 Jan 2027 to 22 Jan 2027, found 2 days ago. The cheapest return fare on each of 4 departure dates is usually $927 to $1,683.
What is the cheapest month to fly from San Francisco to Rome?
January 2027 is the cheapest month for a return, from $652, 18 Jan 2027 to 22 Jan 2027, found 2 days ago.
How far ahead should I book a flight from San Francisco to Rome?
In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 10% lower than 0 to 6 days before departure.
Which airlines have the cheapest flights from San Francisco to Rome?
Between 18 Dec and 13 Jun 2027, SAS Scandinavian has the cheapest return on 2 of the 4 departure dates we hold, Alaska Airlines on 1 and Frontier Airlines on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work