Nonstop flight route between Duluth, Minnesota, United States and SeaTac (near Seattle and Tacoma), Washington, United States:
Departure Airport:

Arrival Airport:

Distance from DLH to SEA:
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- About this route
- DLH Airport Information
- SEA Airport Information
- Facts about DLH
- Facts about SEA
- Map of Nearest Airports to DLH
- List of Nearest Airports to DLH
- Map of Furthest Airports from DLH
- List of Furthest Airports from DLH
- Map of Nearest Airports to SEA
- List of Nearest Airports to SEA
- Map of Furthest Airports from SEA
- List of Furthest Airports from SEA
About this route:
A direct, nonstop flight between Duluth International Airport (DLH), Duluth, Minnesota, United States and Seattle–Tacoma International Airport (SEA), SeaTac (near Seattle and Tacoma), Washington, United States would travel a Great Circle distance of 1,407 miles (or 2,264 kilometers).
A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the relatively short distance between Duluth International Airport and Seattle–Tacoma International Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | DLH / KDLH |
Airport Name: | Duluth International Airport |
Location: | Duluth, Minnesota, United States |
GPS Coordinates: | 46°50'31"N by 92°11'36"W |
Area Served: | Duluth, Minnesota and Superior, Wisconsin (Twin Ports) |
Operator/Owner: | City of Duluth, Minnesota |
Airport Type: | Public |
Elevation: | 1428 feet (435 meters) |
# of Runways: | 2 |
View all routes: | Routes from DLH |
More Information: | DLH Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | SEA / KSEA |
Airport Names: |
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Location: | SeaTac (near Seattle and Tacoma), Washington, United States |
GPS Coordinates: | 47°26'56"N by 122°18'33"W |
Area Served: | Seattle; Tacoma, Washington, US |
Airport Type: | Public |
Elevation: | 433 feet (132 meters) |
# of Runways: | 3 |
View all routes: | Routes from SEA |
More Information: | SEA Maps & Info |
Facts about Duluth International Airport (DLH):
- Duluth International Airport handled 312,000 passengers last year.
- In 2013, a new passenger terminal was built directly in front of the 1973 terminal.
- The original terminal building was built in 1954, south of Runway 9–27, on the west side of Runway 3–21 and served the airport for nearly 20 years.
- The closest airport to Duluth International Airport (DLH) is Richard I. Bong Airport (SUW), which is located only 12 miles (19 kilometers) SSE of DLH.
- Duluth International Airport covers an area of 3,020 acres at an elevation of 1,428 feet above mean sea level.
- The furthest airport from Duluth International Airport (DLH) is Margaret River Airport (MGV), which is located 10,759 miles (17,315 kilometers) away in Margaret River, Western Australia, Australia.
- Duluth International Airport (DLH) has 2 runways.
Facts about Seattle–Tacoma International Airport (SEA):
- Interstate 5 and its offshoot Interstate 405 intersect very close to the airport, and most people use private vehicles to arrive at the airport.
- The North Satellite Terminal has only received limited upgrades and is in need of modernization.
- The closest airport to Seattle–Tacoma International Airport (SEA) is Renton Municipal Airport (RNT), which is located only 5 miles (9 kilometers) NE of SEA.
- The April 1957 OAG shows 216 departures a week on United, 80 Northwest, 35 Western, 21 Trans-Canada, 20 Pan Am, 20 Pacific Northern, and 10 Alaska.
- Seattle–Tacoma International Airport handled 34,776,666 passengers last year.
- In addition to being known as "Seattle–Tacoma International Airport", another name for SEA is "Sea–Tac Airport".
- The furthest airport from Seattle–Tacoma International Airport (SEA) is Tôlanaro Airport (FTU), which is located 10,781 miles (17,350 kilometers) away in Tôlanaro, Madagascar.
- The airport has service to destinations throughout North America, Europe, the Middle East, and East Asia.
- Starting in the late 1980s, the Port of Seattle and a council representing local county governments considered the future of air traffic in the region and predicted that airport could reach capacity by 2000.
- Because of Seattle–Tacoma International Airport's relatively low elevation of 433 feet, planes can take off or land at Seattle–Tacoma International Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
- In 2013, the airport served over 34.7 million passengers, making it the 15th-busiest airport in the United States.
- The three parallel runways run nearly north–south, west of the passenger terminal, and are 8,500 to 11,900 feet long.
- Seattle–Tacoma International Airport (SEA) has 3 runways.