Seattle-Tacoma International Airport (SEA) is first and foremost a hub for Alaska Airlines, together with Delta Air Lines. The international airports serve more than 30 airlines, offering a large network of over 100 domestic and international destinations.
The article describes in detail the airlines operating at SEA, including the terminal they are based in and the contact information.
List of Airlines Operating at Seattle-Tacoma International Airport (SEA) by Terminal
In addition to Lufthansa, Emirates, and Japan Airlines, the Seattle Airport is a hub for other airlines that offer easy access to Europe, Asia, the Middle East, and Latin America.
Airlines such as Spirit and Southwest are low-cost carriers that provide cheap tickets to cities like San Francisco, Miami, and New York.
Central Terminal with its four concourses – A, B, C, and D – is part of the airport design. In addition, the airport consists of two satellite terminals – North and South, which are exclusively for international passengers.
Central Terminal
The Central Terminal comprises mainly domestic airlines at SEA and international airlines across the four concourses A, B, C, and D. The four concourses handle airlines for short-haul and transcontinental routes.
Concourse A
Concourse A is home to Delta Air Lines, while WestJet offers direct services to Calgary, Canada. The concourse is also WestJet’s operating base. United Airlines operates domestic services to Denver, Houston, Chicago, Los Angeles, and Washington Dulles from this concourse.
The following is the list of airlines operating from Concourse A of SEA Airport:
| Airline | Code | Phone Number |
| Delta Air Lines | DL | 800-221-1212 |
| United Airlines | UA | 800-864-8331 |
| WestJet | WS | 1-888-937-8538 |
Concourse B
The hub for low-cost carriers like Southwest and Frontier is Concourse B. The following is the list of airlines flying from Concourse B of SEA Airport:
| Airline | Code | Phone Number |
| Delta Air Lines | DL | 800-221-1212 |
| Frontier Airlines | F9 | — |
| Southwest Airlines | WN | 800-435-9792 |
| WestJet | WS | 1-888-937-8538 |
Concourse C
At Concourse C, Alaska Airlines stands out as the principal airline, supplying services primarily to the populous cities in the United States, Canada, and Mexico:
| Airline | Code | Phone Number |
| Alaska Airlines | AS | (800) 426-0333 |
Concourse D
Alaska Airlines dominates Concourse D, which covers the major cities in the United States:
| Airline | Code | Phone Number |
| Alaska Airlines | AS | (800) 426-0333 |
North Satellite Terminal
North Satellite Terminal is the operating base for WestJet and Alaska Airlines, and SEA. Furthermore, the latter offers domestic flights and connects to key Canadian destinations, including Vancouver and Toronto. WestJet provides flights from Seattle-Tacoma to Western Canada throughout the year:
| Airline | Code | Phone Number |
| Alaska Airlines | AS | (800) 426-0333 |
| Westjet | WS | 888 937 8538 |
South Satellite Terminal
South Satellite Terminal is the hub for flights serving major regions across Asia, Europe, the Middle East, and the Asia-Pacific. The two leading Middle Eastern airlines, Emirates and Qatar, have their flights to and from Dubai and Doha, respectively. Furthermore, the international low-cost carrier Volaris offers service to and from major Mexican cities at very affordable prices.
Below is the list of airlines operating from the South Satellite Terminal:
| Airline | Code | Phone Number |
| Aer Lingus | EI | 1-800-474-7424 |
| AeroMexico | AM | 1 (800) 237-6639 |
| Air Canada | AC | 800-247-2262 |
| Air France | AF | 1-800-237-2747 |
| Air Tahiti Nui | TN | 1 (877) 824-4846 |
| ANA | NH | 800-235-9262 |
| Asiana Airlines | OZ | 800-227-4262 |
| British Airways | BA | 800-247-9297 |
| China Airlines | CI | -6144 |
| Condor | DE | 866-960-7915 |
| Edelweiss | WK | 1-669-272-1225 |
| Emirates | EK | 800-777-3999 |
| EVA Air | BR | 800-695-1188 |
| Finnair | AY | 1 (844) 218-6391 |
| Hainan Airlines | HU | 888-688-8813 |
| Hawaiian Airlines | HA | 800-367-5320 |
| Icelandair | FI | 800-223-5500 |
| Japan Airlines | JL | 1 (800) 525-3663 |
| JetBlue Airways | B6 | 800-538-2583 |
| Korean Air | KE | 800-438-5000 |
| Lufthansa | LH | 800-645-3880 |
| Philippine Airlines | PR | 1-800-435-9725 |
| Qatar Airways | QR | 1 (877) 777-2827 |
| SAS | SK | 1-800-221-2350 |
| Singapore Airlines | SQ | +1 (833) 727-0118 |
| STARLUX Airlines | JX | 1 (833) 971-0012 |
| Turkish Airlines | TK | 1 (800) 874-8875 |
| Virgin Atlantic | VS | 800-862-8621 |
| Volaris | Y4 | 855-865-2747 |
Seattle-Tacoma International Airport has over 30 airlines that offer flights to about 100 destinations worldwide. The largest number of flights, by volume, is operated by Alaska and Delta. United, a domestic airline, serves the main cities in the US.
The guide above provides passengers with a detailed handout on Seattle Airport Airlines categorized by terminals, thus making it easier for them to plan their departures.
Repeatedly Asked Queries
Alaska Airlines, Delta, United, Southwest, JetBlue, Frontier, and Spirit Airlines are among the domestic airlines operating out of SEA.
SEA is a central worldwide travel hub. International airlines, including British Airways, Lufthansa, Emirates, Korean Air, Air France, Qatar Airways, ANA, and Singapore Airlines, operate out of the airport.
Indeed, several low-cost carriers, including Southwest, Spirit, Frontier, Sun Country Airlines, and Volaris, operate out of SEA Airport.
Seattle-Tacoma International Airport (SEA) has more than 30 airlines operating domestic and international flights. Major airlines include Alaska, Delta, United, Southwest, JetBlue, British Airways, Lufthansa, Emirates, and others.
Alaska Airlines operates out of SEA Airport’s North Satellite Terminal and Concourses C and D.
Through carriers including ANA, Korean Air, EVA Air, Singapore Airlines, Asiana Airlines, and Japan Airlines, SEA provides nonstop connectivity to Asia.
Alaska, Delta, and JetBlue all offer nonstop flights from Seattle to New York.
