Seattle, Washington

Seattle/Tacoma International Airport (SEA)

When to Arrive at the Airport
With bags: 2 hours* prior to scheduled departure
Without bags: 90 minutes* prior to scheduled departure
Please see our Check-in and Boarding Cut-off Times.

* 60 minutes for MVP Gold Members and Portland Shuttle passengers using the express security line

Airport Location
17801 International Blvd, Seattle, WA 98158
(14 miles south of Seattle; 20 miles north of Tacoma)

Ticket Counter Location
North end of terminal
An Alaska Airlines Airport of the Future® check-in location

Alaska and Horizon Ticket Counter Hours
Daily: 3:30 a.m. - 11:00 p.m.

Gate Locations
Alaska: Concourse C, D, N (International flights may arrive at the S Concourse)
Horizon: Concourse B, C, S (International flights may arrive at the S Concourse)

Airport Map

Airport Check-In Kiosk Locations

• Ticketing/Bag Dropoff Area
• Parking garage skybridge nearest Horizon Air
• Parking garage skybridge nearest Alaska Airlines
• Freestanding between Horizon ticket counter and C security checkpoint
• Auxiliary counter (across from main counters)
• Concourse D - left of Alaska Airlines Service Center
• Gates C1, C3 and C10
• Gates D1, D3, D5 and D8

Offsite Check-In Kiosk Locations

• Thrifty Rent-A-Car Parking Lot
• WestCoast Sea-Tac Hotel / Masterpark Lot A inside hotel lobby
• Masterpark Lot B at S 170th and International Blvd
• Budget Parking Lot
• Dollar Park-N-Fly Lot
• Doubletree Hotel lobby

Board Room
View Seattle Board Room Information

Air Cargo Pickup/Dropoff
Seattle Cargo Information