List of Airlines at (SEA) airport
The following is a list of airlines serving Seattle Tacoma airport (SEA)
At Seattle–Tacoma International Airport (SEA), all airline check-in counters are centralized on the Ticketing Level of the Main Terminal. After passing through security, passengers access the different concourses (A, B, C, D, N, S) via the underground train system or walkways.
Concourse A
Hosts a mix of domestic and international airlines, including major operations from Delta and United.
- Aer Lingus
- Air Canada
- Delta Air Lines (Domestic flights)
- JetBlue
- Spirit Airlines
- United Airlines
- WestJet
Concourse B
Used mainly by low-cost carriers and regional operations.
Concourse C
Almost exclusively dedicated to Alaska Airlines operations.
Concourse D
Used by Alaska Airlines and American Airlines.
North Satellite (N Gates)
Modernized terminal serving as the main hub for Alaska Airlines.
South Satellite (S Gates)
Handles most long-haul international flights due to its customs facilities, including international Delta flights.
- Aeroméxico
- Air France
- Air Tahiti Nui
- All Nippon Airways (ANA)
- Asiana Airlines
- British Airways
- Cathay Pacific
- Condor
- Delta Air Lines (International)
- Emirates
- EVA Air
- Finnair
- Hainan Airlines
- Hawaiian Airlines
- Icelandair
- Japan Airlines
- Korean Air
- Lufthansa
- Qatar Airways
- Singapore Airlines
- Turkish Airlines
- Virgin Atlantic
- Volaris
Latest updates: December 10, 2025
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Departures
Arrivals
Car Hire
Facilities and Lounges
Transportation
Overnight Stay
Parking
Disabled Passengers
FAQs
Arrivals
Car Hire
Facilities and Lounges
Transportation
Overnight Stay
Parking
Disabled Passengers
FAQs
Disabled Passengers
FAQs
FAQs
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