Seattle–Tacoma International Airport
Daylight today(Jul 15, 2026, local time)
About 15h 35m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Seattle–Tacoma International Airport
Seattle–Tacoma International Airport is the primary international airport serving Seattle and its surrounding metropolitan area in the U.S. state of Washington. It is in the city of SeaTac, which was named after the airport's nickname Sea–Tac, approximately 14 miles (23 km) south of downtown Seattle and 18 miles (29 km) north-northeast of downtown Tacoma. The airport is the busiest in the Pacific Northwest region of North America and is owned by the Port of Seattle.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KSEALive departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (4)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| lower / high | — | — | — | Lighted | Closed |
| 16L / 34R | 11,901 ft / 3,627 m | 150 ft | Pem | Lighted | Open |
| 16C / 34C | 9,426 ft / 2,873 m | 150 ft | Pem | Lighted | Open |
| 16R / 34L | 8,500 ft / 2,591 m | 150 ft | Pem | Lighted | Open |
Radio frequencies (7)
| Type | Description | Frequency |
|---|---|---|
| A/D | APP/DEP | 119.200 MHz |
| CLD | CLNC DEL | 128.000 MHz |
| CTAF | Oshosh traffic | 118.500 MHz |
| D-ATIS | Digital ATIS | 118.000 MHz |
| GND | Seattle Ground | 121.700 MHz |
| TWR | Seattle Tower | 119.900 MHz |
| UNIC | UNICOM | 122.950 MHz |
Services & operations
Arrive at least two hours before domestic flights and three hours before international flights.
From the airport’s official website — details may change, so confirm with the airport. Official site
Navaids(3)
Airlines & destinations
Route data from OpenFlights — historical and may be out of date. Check current schedules.
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (35)
- ILS OR LOC RWY 16C, CONT.1Amdt 17
- ILS OR LOC RWY 16LAmdt 8A
- ILS OR LOC RWY 16RAmdt 5
- ILS OR LOC RWY 34CAmdt 3E
- ILS OR LOC RWY 34LAmdt 1F
- ILS OR LOC RWY 34RAmdt 3
- ILS OR LOC RWY 16CAmdt 17
- ILS RWY 16L (SA CAT I)Amdt 8A
- ILS RWY 16R (SA CAT I)Amdt 5
- ILS RWY 16C (SA CAT I)Amdt 17
- ILS RWY 34L (SA CAT I - II)Amdt 1F
- ILS RWY 34R (SA CAT I - II)Amdt 3
- ILS RWY 34C (SA CAT I - II)Amdt 3E
- ILS RWY 16C (CAT II - III)Amdt 17
- ILS RWY 16L (CAT II - III)Amdt 8A
- ILS RWY 16R (CAT II - III)Amdt 5
- RNAV (RNP) Z RWY 16C, CONT.1Amdt 1A
- RNAV (RNP) Z RWY 16CAmdt 1A
- RNAV (RNP) Z RWY 16LAmdt 2A
- RNAV (RNP) Z RWY 16RAmdt 1A
- RNAV (RNP) Z RWY 34CAmdt 2B
- RNAV (RNP) Z RWY 34LAmdt 2A
- RNAV (RNP) Z RWY 34RAmdt 1B
- RNAV (GPS) Y RWY 16C, CONT.1Amdt 3A
- RNAV (GPS) Y RWY 16LAmdt 5B
- RNAV (GPS) Y RWY 16RAmdt 2A
- RNAV (GPS) Y RWY 34CAmdt 2D
- RNAV (GPS) Y RWY 34LAmdt 1C
- RNAV (GPS) Y RWY 34RAmdt 2D
- RNAV (GPS) Y RWY 16CAmdt 3A
- BAY VISUAL RWY 16 R/C/L, CONT.1
- HUSKY VISUAL RWY 16 R/C/L
- HUSKY VISUAL RWY 16 R/C/L, CONT.1
- MALL VISUAL RWY 34 R/C/L
- BAY VISUAL RWY 16 R/C/L
Departure procedures (SIDs) (13)
Arrivals (STARs) (12)
Takeoff & alternate minimums (1)
Runway hot spots (1)
Charts published by the FAA (public domain) and updated each 28-day cycle. Always fly the current, official chart. Full charts page.
Airspace in this area(3)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| SEATTLE CLASS B AREA H | Class B | Controlled | 3000 ft MSL | 10000 ft MSL |
| SEATTLE CLASS B AREA A | Class B | Controlled | GND | 10000 ft MSL |
| SEATTLE, BOEING FIELD/KING COUNTY INT. AIRPORT CLASS D | Class D | Controlled | GND | 2500 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Columbia Center | 938 ft | 82 ft | — |
| 1201 Third Avenue | 771 ft | 121 ft | — |
| Seattle Municipal Tower | 722 ft | 279 ft | — |
| F5 Tower | 659 ft | 115 ft | — |
| Safeco Plaza | 630 ft | 105 ft | — |
| Wells Fargo Center | 574 ft | 26 ft | — |
| 800 Fifth Avenue | 545 ft | 148 ft | — |
| Obstacle | 525 ft | 75 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Seattle–Tacoma International Airport.
Frequently asked questions
What is the ICAO code for Seattle–Tacoma International Airport?
The ICAO code for Seattle–Tacoma International Airport is KSEA, and its IATA code is SEA.
Where is Seattle–Tacoma International Airport located?
Seattle–Tacoma International Airport is large airport located in Seattle, United States, at an elevation of 433 ft (132 m).
How many runways does Seattle–Tacoma International Airport have?
Seattle–Tacoma International Airport has 4 runways, the longest being 11,901 ft / 3,627 m.
Which airlines fly to Seattle–Tacoma International Airport?
Airlines historically serving Seattle–Tacoma International Airport include AeroMéxico, Air Canada, Air France, AirTran Airways, Alaska Airlines, Alitalia, among 33 carriers (based on OpenFlights route data, which may be out of date).
How many destinations are served from Seattle–Tacoma International Airport?
Historical data lists 90 nonstop destinations from Seattle–Tacoma International Airport. Always check current schedules.
What time zone is Seattle–Tacoma International Airport in?
Seattle–Tacoma International Airport is in the America/Los Angeles time zone (UTC-07:00).
What is the magnetic variation at Seattle–Tacoma International Airport?
The magnetic variation (declination) at Seattle–Tacoma International Airport is approximately 14.9° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Seattle–Tacoma International Airport?
The nearest airport to Seattle–Tacoma International Airport is Renton Municipal Airport (RNT), about 4.7 nm to the ne, followed by King County International Airport - Boeing Field and Vashon Municipal Airport.
Is the information on this page suitable for flight planning?
No. Seattle–Tacoma International Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.