Operational
Seattle–Tacoma International Airport
Seattle, United States
SEA
KSEA
Airport Information
Country
United States
Continent
North America
ICAO/IATA
KSEA / SEA
Elevation
433 ft
(132m)
Coordinates
47.4479, -122.3103
Current Weather
16.7°C
Clear
June 22
03:33
Local Time
3.6
km/h NNE
16
km visibility
65%
humidity
Runways
Runway 16R/34L
CON
Lighted
Length
9,426 ft
(2873m)
Width
150 ft
(46m)
Surface
CON
Status
Operational
Runway 16L/34R
ASP
Lighted
Length
11,900 ft
(3627m)
Width
150 ft
(46m)
Surface
ASP
Status
Operational
Runway 16C/34C
CONC-F
Lighted
Length
9,426 ft
(2873m)
Width
150 ft
(46m)
Surface
CONC-F
Status
Operational
Runway lower/high
Unknown surface
Lighted
Length
0 ft
(0m)
Width
0 ft
(0m)
Surface
Unknown
Status
Closed
Passenger Statistics
Latest (2025)
52,715,181
Year-over-Year
+3.7%
Peak Year
2025
Peak Passengers
52,715,181
| Year | Passengers | Change |
|---|---|---|
| 2025 | 52,715,181 | +3.7% |
| 2024 | 50,829,184 | +3.3% |
| 2023 | 49,188,420 | +11% |
| 2022 | 44,315,724 | +27.1% |
| 2021 | 34,860,390 | +84.2% |
| 2020 | 18,924,822 | -62.2% |
| 2019 | 50,003,524 | +4.1% |
| 2018 | 48,049,816 | +6.1% |
| 2017 | 45,278,248 | +3.4% |
| 2016 | 43,774,220 | +8.6% |
| 2015 | 40,297,960 | +12.6% |
| 2014 | 35,776,160 | +7.2% |
| 2013 | 33,380,590 | +0.5% |
| 2012 | 33,223,111 | +1.2% |
| 2011 | 32,823,220 | +4% |
| 2010 | 31,553,166 | +1% |
| 2009 | 31,227,512 | -3% |
| 2008 | 32,196,528 | +2.9% |
| 2007 | 31,295,822 | +4.3% |
| 2006 | 29,996,424 | +2.4% |
| 2005 | 29,289,026 | +1.7% |
| 2004 | 28,804,554 | +7.5% |
| 2003 | 26,799,913 | +0.2% |
| 2002 | 26,738,558 | -1.1% |
| 2001 | 27,036,073 | -4.8% |
| 2000 | 28,408,553 | +2.5% |
| 1999 | 27,705,488 | +7.1% |
| 1998 | 25,863,466 | +4.6% |
| 1997 | 24,730,113 | +1.7% |
| 1996 | 24,324,596 | +6.8% |
| 1995 | 22,773,986 | +8.6% |
| 1994 | 20,972,819 | +11.6% |
| 1993 | 18,800,524 | +4.7% |
| 1992 | 17,962,217 | +10.1% |
| 1991 | 16,313,289 | +0.4% |
| 1990 | 16,240,309 | — |
About Seattle–Tacoma International Airport
Seattle-Tacoma International Airport, also known as Sea-Tac Airport, is the largest airport in the Pacific Northwest region of the United States. Located in the city of SeaTac, Washington, the airport serves as a major gateway for travelers coming in and out of the Seattle metropolitan area. With its modern facilities, efficient operations, and convenient location, Sea-Tac Airport has established itself as a vital transportation hub for both domestic and international travelers.
Sea-Tac Airport has a rich history dating back to its opening in 1944. Originally known as Seattle-Tacoma International Airport, it was built during World War II as a military airfield. After the war, the airport was converted for commercial use and has since undergone numerous expansions and renovations to accommodate the growing demand for air travel in the region. Today, Sea-Tac Airport consists of a main terminal building, four concourses, and two parallel runways, making it one of the busiest airports in the United States.
The main terminal at Sea-Tac Airport is a bustling hub of activity, with thousands of passengers passing through each day. The terminal is home to a wide range of amenities, including restaurants, shops, lounges, and information desks, all designed to make the travel experience as comfortable and convenient as possible. The terminal is also equipped with state-of-the-art security measures to ensure the safety and security of all passengers and staff.
In addition to the main terminal, Sea-Tac Airport features four concourses, each serving a different set of airlines and destinations. Concourse A is primarily used for domestic flights, while Concourses B, C, and D handle both domestic and international flights. Each concourse is equipped with gates, ticket counters, and waiting areas, as well as amenities such as restrooms, ATMs, and charging stations. Passengers can easily navigate between the concourses using the airport's shuttle system or moving walkways.
One of the defining features of Sea-Tac Airport is its two parallel runways, which allow for efficient takeoffs and landings of aircraft. The runways are equipped with advanced lighting and navigational aids to ensure safe operations in all weather conditions. In addition, the airport is equipped with a modern air traffic control tower and radar system, which help to coordinate the movement of flights in and out of the airport.
Sea-Tac Airport is also known for its commitment to sustainability and environmental stewardship. The airport has implemented various green initiatives, such as energy-efficient lighting, water conservation measures, and waste recycling programs, to reduce its carbon footprint and promote eco-friendly practices. In addition, Sea-Tac Airport has received recognition for its efforts to reduce noise pollution and mitigate the environmental impact of aircraft operations in the surrounding community.
In conclusion, Seattle-Tacoma International Airport is a vital transportation hub that plays a key role in connecting the Seattle metropolitan area to the rest of the world. With its modern facilities, efficient operations, and commitment to sustainability, Sea-Tac Airport provides a seamless and enjoyable travel experience for passengers of all kinds. Whether you're flying for business or pleasure, Sea-Tac Airport is sure to leave a lasting impression on travelers from near and far.
Sea-Tac Airport has a rich history dating back to its opening in 1944. Originally known as Seattle-Tacoma International Airport, it was built during World War II as a military airfield. After the war, the airport was converted for commercial use and has since undergone numerous expansions and renovations to accommodate the growing demand for air travel in the region. Today, Sea-Tac Airport consists of a main terminal building, four concourses, and two parallel runways, making it one of the busiest airports in the United States.
The main terminal at Sea-Tac Airport is a bustling hub of activity, with thousands of passengers passing through each day. The terminal is home to a wide range of amenities, including restaurants, shops, lounges, and information desks, all designed to make the travel experience as comfortable and convenient as possible. The terminal is also equipped with state-of-the-art security measures to ensure the safety and security of all passengers and staff.
In addition to the main terminal, Sea-Tac Airport features four concourses, each serving a different set of airlines and destinations. Concourse A is primarily used for domestic flights, while Concourses B, C, and D handle both domestic and international flights. Each concourse is equipped with gates, ticket counters, and waiting areas, as well as amenities such as restrooms, ATMs, and charging stations. Passengers can easily navigate between the concourses using the airport's shuttle system or moving walkways.
One of the defining features of Sea-Tac Airport is its two parallel runways, which allow for efficient takeoffs and landings of aircraft. The runways are equipped with advanced lighting and navigational aids to ensure safe operations in all weather conditions. In addition, the airport is equipped with a modern air traffic control tower and radar system, which help to coordinate the movement of flights in and out of the airport.
Sea-Tac Airport is also known for its commitment to sustainability and environmental stewardship. The airport has implemented various green initiatives, such as energy-efficient lighting, water conservation measures, and waste recycling programs, to reduce its carbon footprint and promote eco-friendly practices. In addition, Sea-Tac Airport has received recognition for its efforts to reduce noise pollution and mitigate the environmental impact of aircraft operations in the surrounding community.
In conclusion, Seattle-Tacoma International Airport is a vital transportation hub that plays a key role in connecting the Seattle metropolitan area to the rest of the world. With its modern facilities, efficient operations, and commitment to sustainability, Sea-Tac Airport provides a seamless and enjoyable travel experience for passengers of all kinds. Whether you're flying for business or pleasure, Sea-Tac Airport is sure to leave a lasting impression on travelers from near and far.
Nearby Airports
Boeing Field King County International Airport
KBFI
Seattle
9.1 km
Tacoma Narrows Airport
KTIW
Tacoma
28.4 km
Bremerton National Airport
KPWT
Bremerton
34.5 km
McChord Air Force Base
KTCM
Tacoma
36.7 km
Gray Army Air Field
KGRF
Fort Lewis/Tacoma
45.8 km
Seattle Paine Field International Airport
KPAE
Everett
51.0 km