Rome (FCO) to Seattle (SEA) flights
2 airlines fly nonstop from Rome (FCO) to Seattle (SEA): Alaska Airlines and Delta Air Lines. The two airports are 5,674 miles (9,131 km) apart. Alaska Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 38 ways to fly it with one stop, through Reykjavik, Amsterdam and London and more.
Airlines flying nonstop from FCO to SEA
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
Book FCO to SEA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Finnair PlusBooks Alaska Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
FCO to SEA with one stop
38 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Reykjavik (KEF)Icelandair the whole way
- Via Amsterdam (AMS)ITA Airways and KLM, then Delta Air Lines
- Via London (LHR)British Airways the whole way
+1 - Via Paris (CDG)Air France the whole way
- Via Frankfurt (FRA)Lufthansa and Condor the whole way
+1
- Via Dublin (DUB)Aer Lingus the whole way
- Via Calgary (YYC)WestJet the whole way
- Via Munich (MUC)Lufthansa the whole way+1
- Via Copenhagen (CPH)Scandinavian Airlines the whole way
- Via Barcelona (BCN)ITA Airways, Ryanair and 2 more, then Delta Air Lines+1
- Via Helsinki (HEL)Finnair the whole way
- Via Minneapolis (MSP)Delta Air Lines the whole way
- Via Montreal (YUL)Air Canada the whole way
- Via Toronto (YYZ)Air Canada the whole way+2
- Via Chicago (ORD)American Airlines and United Airlines the whole way
+1
+1
FCO to SEA: common questions
Which airlines fly nonstop from FCO to SEA?
Alaska Airlines (oneworld) and Delta Air Lines (SkyTeam) fly nonstop from Rome (FCO) to Seattle (SEA).
How far is Rome from Seattle by plane?
Rome (FCO) and Seattle (SEA) are 5,674 miles (9,131 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book FCO to SEA award flights?
17 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, China Eastern Eastern Miles, Delta SkyMiles and 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does FCO to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for FCO to SEA with taxes and fees.
Where can I connect between Rome and Seattle?
The most direct connections are through Reykjavik (KEF), Amsterdam (AMS), London (LHR), Paris (CDG) and Frankfurt (FRA). On 30 of them the same airline flies both flights, for example Icelandair through Reykjavik.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.