Seattle (SEA) to Barcelona (BCN) flights
One airline flies nonstop from Seattle (SEA) to Barcelona (BCN): Delta Air Lines. The two airports are 5,424 miles (8,729 km) apart. Delta Air Lines is in SkyTeam. There are also 30 ways to fly it with one stop, through Calgary, Dublin and Reykjavik and more.
Airlines flying nonstop from SEA to BCN
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
Book SEA to BCN 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
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Korean Air SKYPASSBooks Delta Air Lines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
SEA to BCN with one stop
30 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Calgary (YYC)WestJet the whole way
- Via Dublin (DUB)Aer Lingus the whole way
- Via Reykjavik (KEF)Icelandair the whole way
- Via London (LHR)British Airways the whole way
+1 - Via Paris (CDG)Air France the whole way
- Via Amsterdam (AMS)Delta Air Lines, then Transavia, KLM and 1 more
- Via Frankfurt (FRA)Condor and Lufthansa the whole way
- Via Munich (MUC)Lufthansa the whole way
- Via Montreal (YUL)Air Canada the whole way
- Via Copenhagen (CPH)Scandinavian Airlines the whole way
+1 - Via Toronto (YYZ)Air Canada the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way
+1
- Via Boston (BOS)JetBlue Airways and Delta Air Lines the whole way
- Via Rome (FCO)Delta Air Lines and Alaska Airlines, then ITA Airways, Ryanair and 2 more
+1 - Via New York (EWR)United Airlines the whole way
SEA to BCN: common questions
Which airlines fly nonstop from SEA to BCN?
Delta Air Lines (SkyTeam) flies nonstop from Seattle (SEA) to Barcelona (BCN).
How far is Seattle from Barcelona by plane?
Seattle (SEA) and Barcelona (BCN) are 5,424 miles (8,729 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SEA to BCN award flights?
8 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, China Eastern Eastern Miles, Delta SkyMiles, Garuda Indonesia GarudaMiles, Korean Air SKYPASS, SAS EuroBonus and Virgin Atlantic Flying Club. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SEA to BCN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to BCN with taxes and fees.
Where can I connect between Seattle and Barcelona?
The most direct connections are through Calgary (YYC), Dublin (DUB), Reykjavik (KEF), London (LHR) and Paris (CDG). On 26 of them the same airline flies both flights, for example WestJet through Calgary.
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.