Seattle–Tacoma International Airport is a large airport serving Seattle, in Washington, United States. It has scheduled airline flights. Its IATA code, the three letters printed on tickets and baggage tags, is SEA.
Key facts
- IATA code
- SEA
- ICAO code
- KSEA
- City
- Seattle
- State or region
- Washington
- Country
- United States
- Kind
- Large airport
- Coordinates
- 47.4479° N, 122.3103° W
- Elevation
- 132 m (433 ft)
- Runways
- 3
- Longest runway
- 3,627 m (11,901 ft)
Airport codes
On a ticket or a baggage tag, SEA means Seattle–Tacoma International Airport. Pilots and air traffic controllers use a different, four-letter ICAO code: KSEA. ICAO codes that begin with K belong to the mainland United States. How the two kinds of code differ.
Where it is
The airport lies at 47.4479° N, 122.3103° W. It stands 132 metres (433 feet) above sea level.
Local time
Time now at the airport: loading
Time zone America/Los Angeles, taken from the nearest town in the data. Flight times on tickets are always in the local time of each airport.
Runways
Seattle–Tacoma International Airport has 3 runways in the data. The longest is 3,627 metres (11,901 feet). A runway of this length can take the largest long-distance aircraft. Among the 675 airports of United States on this site with runway data, its longest runway ranks number 37.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 16L/34R | 3,627 m 11,901 ft | 46 m | Concrete and asphalt | Yes |
| 16C/34C | 2,873 m 9,426 ft | 46 m | Concrete and asphalt | Yes |
| 16R/34L | 2,591 m 8,500 ft | 46 m | Concrete and asphalt | Yes |
The numbers in a runway name give its compass direction. How runway numbers work.
Nearest airports with scheduled flights
| Airport | Code | Distance |
|---|---|---|
| King County International Airport - Boeing FieldSeattle | BFI | 9 km |
| Kenmore Air Harbor Seaplane BaseSeattle | LKE | 20 km |
| Tacoma Narrows AirportTacoma | TIW | 28 km |
| Kenmore Air Harbor LLC Seaplane BaseKenmore | KEH | 34 km |
| Seattle Paine Field International AirportEverett | PAE | 51 km |
Distance to major airports
| To | Distance | Rough flying time |
|---|---|---|
| Delhi (DEL)India | 11,343 km | 14 h 10 min |
| Mumbai (BOM)India | 12,463 km | 15 h 30 min |
| Dubai (DXB)United Arab Emirates | 11,928 km | 14 h 50 min |
| London Heathrow (LHR)United Kingdom | 7,702 km | 9 h 45 min |
| New York JFK (JFK)United States | 3,887 km | 5 h 10 min |
| Los Angeles (LAX)United States | 1,537 km | 2 h 20 min |
| Singapore (SIN)Singapore | 12,979 km | 16 h 10 min |
| Tokyo Haneda (HND)Japan | 7,711 km | 9 h 45 min |
| Sydney (SYD)Australia | 12,472 km | 15 h 30 min |
Distances are the shortest path over the globe, worked out from the coordinates. Flying times are rough estimates for a direct jet flight. They do not mean that a direct flight exists. Work out the distance to any airport.
Links
Airport data: OurAirports, as downloaded on 11 November 2026. This page does not show live flights, terminals or airlines. For those, use the airport's or the airline's own site. See About and data sources.