SEA or Seattle–Tacoma International Airport has 3 terminals that are well-suited to manage flight departures of a number of airlines. They are inclusive of the Main Terminal, North Satellite Terminal building, and South Satellite Terminal building. Many air carriers operate the same via the SEA Airport departure terminals, 4 attached concourses, and 103 gates. From here, both international and domestic flight departures are observed. Along with these, pre-travel processes like baggage deposit, security checks, check-in, etc., are to be completed here.
Airlines Departing from Seattle–Tacoma International Airport
More than 30 airlines have their base at Seattle–Tacoma International Airport for flight departures or take-offs. These airlines are given specific concourses, depending on their flight schedules.
Airlines Departing from Concourse A
WestJet Airlines is one of the carriers that departs its flights from Concourse A of the Main Terminal, SEA Airport, Washington. Further, Delta Air Lines and United Airlines manage the same via this concourse.
Departures of Airlines via Concourse B
On a daily basis, the Seattle Airport Main Terminal Concourse B manages flight departures of 4 airlines.
- Southwest Airlines
- Frontier Airlines
- WestJet Airlines
- Delta Air Lines
Flight Departures of Airlines through Concourse C
At present, the flights of Alaska Airlines are observed to depart via Concourse C of SEA Airport Main Terminal.
Airlines Departing from Concourse D
American Airlines and Alaska Airlines handle their flight landings/departures from Seattle–Tacoma International Airport, Main Terminal, Concourse D.
Departures of Airlines via North Satellite Terminal
Alaska Airlines is the sole carrier that oversees its flight departures via the North Satellite Terminal Building.
Airlines Taking off through South Satellite Terminal
Through the SEA Airport South Satellite Terminal building/concourse, frequently, more than 25 airlines operate their flight departures.
- Aer Lingus
- Aeromexico
- ANA (All Nippon Airways)
- British Airways
- Condor Airlines
- EVA Airlines
- Hainan Airlines
- Icelandair
- JetBlue Airways
- Lufthansa Airlines
- Philippine Airlines
- STARLUX Airlines
- Virgin Atlantic
- Air France
- Asiana Airlines
- Air Tahiti Nui
- China Airlines
- Air Canada
- Emirates Air
- Finnair
- Hawaiian Airlines
- JAPAN Airlines
- Korean Air
- Qatar Airways
- Singapore Airlines
- Turkish Airlines
- Volaris Airlines
The terminals at Seattle-Tacoma International Airport regulate the departures of planes on schedule. To manage SEA departures, there are various counters, windows, and help desks available. To reach the counters/desks, the map of the airport is available online and offline for travelers.
Frequently Asked Questions
Flight check-in is one of the required procedures to be finished prior to the departures via SEA Airport. Baggage deposit and security checks are the other procedures.
For international flight departures, travelers should arrive at least 3 hours prior at Seattle Airport.
A flier should come to SEA International Airport at least 2 hours before the flight has to take off.
For flight departures, Concourses A, B, C, and D of the Main Terminal are utilized. North and South Satellite buildings manage the same too.
In general, flights depart via SEA as per their schedule. To be aware of any delays, check the website of the airport.