International route
Cheap flights from Rome to San Francisco
Rome Fiumicino Airport (FCO) to San Francisco International Airport (SFO). 6,250 miles, 12h 45m nonstop.
FCO to SFO at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 6,250 milesgreat-circle
- Typical flight time
- 12h 45mnonstop, gate to gate
- Nonstop airlines
- UAASAZ3 airlinesUnited, Alaska, ITA Airways
- Nonstop flights per day
- 3all airlines combined
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Tuesday19% less than Friday
- Time difference
- 9h behindSan Francisco vs Rome
Rome to San Francisco
Round trips from $470
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 5.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppRome to San Francisco fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Rome to San Francisco
3 airlines fly nonstop with 3 departures a day combined, plus 23 more with one stop.
- ASAlaska AirlinesoneworldNonstop · 1 flight a day · first checked bag from $35
- AZITA AirwaysNonstop · 1 flight a day · first checked bag from $70
- UAUnited AirlinesStar AllianceNonstop · 1 flight a day · first checked bag from $40
- EIAer LingusConnecting via DUB, SNN · first checked bag from $70
- AMAeroméxicoSkyTeamConnecting via MTY · first checked bag from $40
- ACAir CanadaStar AllianceConnecting via YYZ, YVR · first checked bag from $35
- AFAir FranceSkyTeamConnecting via CDG, ORY · first checked bag from $75
- AAAmerican AirlinesoneworldConnecting via CLT, ORD, PHX · first checked bag from $40
- AVAviancaStar AllianceConnecting via SAL · first checked bag from $45
- BABritish AirwaysoneworldConnecting via LHR, LGW · first checked bag from $75
- CMCopa AirlinesStar AllianceConnecting via PTY · first checked bag from $40
- DLDelta Air LinesSkyTeamConnecting via ATL, MSP, DTW, SLC, SEA, BOS · first checked bag from $35
- LYEl AlConnecting via TLV · first checked bag from $80
- AYFinnaironeworldConnecting via HEL · first checked bag from $70
- B6JetBlueConnecting via BOS, FLL, LAX, SJU · first checked bag from $40
- KLKLM Royal Dutch AirlinesSkyTeamConnecting via AMS · first checked bag from $75
- LALATAM AirlinesConnecting via BOG · first checked bag from $45
- LHLufthansaStar AllianceConnecting via FRA, MUC · first checked bag from $75
- NONorse Atlantic AirwaysLow-costConnecting via LGW, OSL · first checked bag from $80
- SKSAS Scandinavian AirlinesSkyTeamConnecting via CPH, ARN, OSL · first checked bag from $70
- LXSWISSStar AllianceConnecting via GVA · first checked bag from $75
- TPTAP Air PortugalStar AllianceConnecting via LIS · first checked bag from $70
- TKTurkish AirlinesStar AllianceConnecting via IST · first checked bag from $70
- VSVirgin AtlanticSkyTeamConnecting via LHR, MAN · first checked bag from $75
- VBVivaLow-costConnecting via MTY, GDL · first checked bag from $45
- WSWestJetConnecting via YYZ · first checked bag from $35
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Boston (BOS)DLB62 airlines
- Toronto (YYZ)ACWS2 airlines
- Monterrey (MTY)AMVB2 airlines
- London (LHR)BAVS2 airlines
- London (LGW)BANO2 airlines
Which airport should I use?
Rome has 2 airports and San Francisco has 3 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Other departure airports near Rome
Tips for this route
- United, Alaska and ITA all fly FCO to SFO nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $470; September 2026 is the most expensive at $698 and up, a difference of $228 per traveler.
- Departing on a Tuesday averages 19% less than a Friday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel.
- San Francisco is 9 hours behind Rome. A morning departure lands in San Francisco with most of the day left; an evening flight arrives close to local dinner time.
Destination guide
San Francisco: Fog, hills and the Golden Gate
San Francisco packs cable cars, the Golden Gate Bridge, Alcatraz and world-class food into 49 square miles. SFO is the main gateway; Oakland and San Jose are handy alternatives with lower fares on many routes.
Best time to visit: September and October are the warmest, clearest months. Spring (April–May) is green and mild. Summer fog ('Karl') keeps the coast cool; winter is rainy but inexpensive.
Flying the other way? San Francisco to RomeFares, airlines and tips for SFO to FCO.Ready to compare live fares?
See every airline on FCO–SFO side by side with bags and seat rules spelled out.
Search Rome to San FranciscoRome to San Francisco: common questions
How long is the flight from Rome to San Francisco?
A nonstop flight from Rome (FCO) to San Francisco (SFO) takes about 12h 45m gate to gate, covering 6,250 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.
Which airlines fly nonstop from FCO to SFO?
United Airlines, Alaska Airlines and ITA Airways operate nonstop flights from Rome (FCO) to San Francisco (SFO), with 3 nonstop departures a day between them. One-stop options connect through BOS, YYZ and MTY.
What is the cheapest month to fly from Rome to San Francisco?
Over the next six months, January 2027 has the lowest round-trip fares from Rome (FCO) to San Francisco (SFO), starting at $470 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Rome to San Francisco flights?
Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Rome and San Francisco?
San Francisco is 9 hours behind Rome. FCO is on Europe/Rome time and SFO on America/Los Angeles time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.
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