Rome to San Francisco flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Rome to San Francisco is €357 with Finnair (checked on 29 Oct 2026).
Your next trip, last seen at €357
Lowest observedFinnair · 2 stops · One wayWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €357, departing 22 Jan 2027 (Last checked: 29 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 30Check live prices for this route
- Round trip
- €524, departing 10 Apr 2027, back 19 Apr 2027 (Last checked: 29 Oct 2026)
- Airlines seen
- ITA Airways, Air France, British Airways, easyJet, Finnair, Iberia, KLM, Ryanair, SAS, TAP Air Portugal, Transavia France, Turkish Airlines, Wizz Air Malta (13)
- Non-stop
- Yes
About this route
Explore the fares we observed from Rome to San Francisco. Prices move often, so pick your dates to see the latest options.
- Route distance
- 10,048 km
- Alternative airports
- CIA
Route-level information; individual journeys vary.
Published schedules report non-stop service with ITA Airways. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Rome Ciampino (CIA) → Rome, city gazetteer reference point (41.8905, 12.4942): ≈ 13 km.
- Rome Fiumicino (FCO) → Rome, city gazetteer reference point (41.8905, 12.4942): ≈ 23 km.
- San Francisco International Airport (SFO) → San Francisco, city gazetteer reference point (37.7749, -122.4194): ≈ 18 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Rome to San Francisco: January 2027, from €357 (checked 29 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €490 | 8 |
| December 2026 | €461 | 14 |
| January 2027 | €357 | 8 |
Lowest fare by day of the week
Cheapest day of the week from Rome to San Francisco: Tuesday, from €357 (checked 29 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €359 | 5 |
| Tuesday | €357 | 5 |
| Wednesday | €361 | 4 |
| Thursday | €361 | 3 |
| Friday | €357 | 4 |
| Saturday | €364 | 5 |
| Sunday | €357 | 4 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Rome to San Francisco by days until departure (61 days or more): €357 (checked 29 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 8 to 30 days | €490 | 8 |
| 31 to 60 days | €461 | 13 |
| 61 days or more | €357 | 8 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Rome to San Francisco: Finnair, from €357 (checked 29 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Finnair | €357Jan 22, 2027 | 5 |
| TAP Air Portugal | €461Dec 8, 2026 | 19 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Rome to San Francisco?
The lowest fare Routavio has observed is €357, found on 29 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Rome to San Francisco?
Cheapest month from Rome to San Francisco: January 2027, from €357 (checked 29 Oct 2026).
Are there direct flights from Rome to San Francisco?
Yes. Published schedules report non-stop flights on this route with ITA Airways.
Which airlines fly from Rome to San Francisco?
Routavio has seen these carriers on the route: ITA Airways, Air France, British Airways, easyJet, Finnair, Iberia, KLM, Ryanair, SAS, TAP Air Portugal, Transavia France, Turkish Airlines, Wizz Air Malta (13).
How long does the flight from Rome to San Francisco take?
Across the 42 fares Routavio observed, the average journey time is 26h 58m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Rome to San Francisco fares were non-stop?
2 of the 44 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Rome to San Francisco?
Cheapest round trip: €524, departing 10 Apr 2027, back 19 Apr 2027 (checked 29 Oct 2026).
Which day of the week is cheapest from Rome to San Francisco?
Cheapest day of the week from Rome to San Francisco: Tuesday, from €357 (checked 29 Oct 2026).
Which airline has the lowest fare from Rome to San Francisco?
Cheapest airline from Rome to San Francisco: Finnair, from €357 (checked 29 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.