Hubs
Regional
Seattle-Tacoma International Airport (SEA)
Hub Overview
Passengers
50.3M
Destinations
100
Connectivity
60/100
Transit
good
Hub Airlines
AS
Alaska Airlines
primary
DL
Delta Air Lines
secondary
Alliance Presence
oneworld
SkyTeam
Terminal & Lounges
Terminal Overview
SEA has a main terminal and a north and south satellite, connected by an underground train. A major expansion is underway adding new gates and international arrivals.
Lounge Highlights
Alaska Lounge locations in Concourse C and D offer Pacific Northwest-inspired food and drinks. The Centurion Lounge and Delta Sky Club are also popular.
Transit Tips
- The airport has four concourses (A, B, C, D) connected by an underground train.
- Alaska Airlines operates primarily from Concourses C and D.
- International arrivals are processed at the south satellite via the train.
- Free Wi-Fi is available throughout the airport.
- Local restaurants in the terminal include Beecher's Cheese and Bambuza Vietnam Kitchen.
Ground Transport
Sound Transit Link Light Rail connects SEA to downtown Seattle in 40 minutes for $3. Taxis and ride-hailing apps are available at the parking garage ground level.
Fun Facts
- SEA is the primary hub for Alaska Airlines, the fifth-largest US carrier.
- The airport serves as a gateway to the Pacific Northwest and Alaska.
- Boeing's main assembly plant is just 30 miles north in Everett, Washington.