Terminals at SEA

Seattle–Tacoma International Airport operates 3 terminals, with Alaska Airlines as the main hub. They serve 8 airlines.

Terminals
3
Airlines
8
Main hub
Alaska Airlines
Passengers/yr
45.9M
Main Terminal
Alaska Airlines · American Airlines · Delta Air Lines · Frontier Airlines + 4 more

The Main Terminal is the heart of SEA Airport.

North Satellite Terminal
0
N

Satellite terminal serving N gates.

South Satellite Terminal
0
S

Satellite terminal serving S gates.