Alaska Airlines

Where Alaska Airlines checks in and departs

Alaska Airlines flights leave from C Concourse, Main Terminal, D Concourse, Main Terminal and N Concourse, Main Terminal. Check-in, as the airport prints it: Main Terminal ticketing level (Level 5), before security, with a check-in point near Door 29; self check-in kiosks, bag tag stations and bag drops are also on Level 4 by Skybridges 5 and 6.

Airside, with gates at C2, C3, C9–C11, C15–C18 and C20 on the map, several split into lettered positions such as C2A/B; C Station, by Gate C11, serves the Green Line. The C Concourse expansion grows the 81,000-square-foot building into a 229,500-square-foot facility, and its main floor is the Marketplace at C, with dining and retail framing a tiered, open amphitheater with space for live music.

Airside, with Gates D1–D11 and D20–D26 on the map, including the D Annex (D21–D26) across from Gate D5; D Station, across from Gate D2, serves the Green and Yellow Lines. The D Annex is a two-story, 32,400-square-foot building with six holdroom gates, reached from the D Concourse over a bridge; passengers walk through a gate door to a shuttle that takes them to an aircraft parked away from the terminal.

Airside satellite with Gates N1–N20, reached by the Green Line at N Station below the concourse, or by bus during train outages.

Alaska Airlines at SEA: terminal and concourse

Which terminal is Alaska Airlines at SEA?

Alaska Airlines departs from C Concourse, D Concourse and N Concourse (Main Terminal). SEA files its concourses under one terminal: Main Terminal holds A Concourse, B Concourse, C Concourse, D Concourse, N Concourse and S Concourse.

Does Alaska Airlines use C Concourse, D Concourse or N Concourse?

Alaska Airlines uses all three: gates in C Concourse, D Concourse and N Concourse (Main Terminal). The airport prints check-in as Main Terminal ticketing level (Level 5), before security, with a check-in point near Door 29; self check-in kiosks, bag tag stations and bag drops are also on Level 4 by Skybridges 5 and 6. Your boarding pass names the gate, so read it before choosing a concourse.

Connecting through SEA with Alaska Airlines

Can I walk between concourses at SEA?

Walking between A, B, C and D Concourses: for Alaska Airlines, it leads from D Concourse toward A Concourse.

Contact and baggage help for Alaska Airlines at SEA

Alaska Airlines phone: (800) 426-0333. Listed by Port of Seattle, Airlines & Destinations.

Alaska Airlines lounges and others nearby

Alaska Airlines runs 3 lounges at SEA. Entry depends on your ticket and status; each lounge page lists the access rules the operator publishes.

• Alaska Lounge (C Concourse)Near Gate C16A · Daily · 05:00–19:00
• Alaska Lounge (N Concourse)Mezzanine level above Gate N15 · Daily · 05:00–23:00
• Alaska Lounge (D Concourse)Near Gate D1 · Daily · 05:00–23:00

Other lounges in C Concourse

• The American Express Centurion LoungeAmerican ExpressCentral Terminal mezzanine above Evergreens, Pallino, Pei Wei and Lucky Louie Fish Shackthe map shows its entrance by the Central Terminal elevator · Daily · 05:00–22:00

Food and shops near its gates

C Concourse

23 places to eat and shop after security in C Concourse, among them:

• Bell St. Landing
• Bite Society
• Buffalo Wild Wings Go
• Chili's
• Clara Jane
• DISH D'LISH Food T' Go Go

D Concourse

12 places to eat and shop after security in D Concourse, among them:

• Ballard Brew Hall
• Camden food co.
• Dufry Duty Free
• Fireworks
• Hudson
• InMotion Entertainment

N Concourse

21 places to eat and shop after security in N Concourse, among them:

• BAD EGG Breakfast Bar
• Bambuza Vietnam Kitchen & Bar
• Beecher's Handmade Cheese
• Caffé D'arte
• Caffe Vita
• Chalo Seattle

Trains, buses and shuttles

This service boards at or beside C Concourse, D Concourse and N Concourse, where Alaska Airlines flies from.

• Hotel and off-site courtesy shuttlesCourtesy island shuttle lane on garage Level 3, Islands 1A–D, 2A and 3A–C

Parking and pickup

• SEA Airport Cell Phone LotDrivers waiting for arriving passengersfree, with free Wi-Fi200 parking spacesDirectly across from the S

Other airlines in the same concourse

What airlines are in D Concourse at SEA?

• American Airlines

Main Terminal guide

• Main Terminal guideThe airport's single terminal, with six concourses: A, B and S at the south end and C, D and N at the north end. The Port says the terminal is small enough that you can get where you are going in two to five minutes using the SEA Underground.