Nonstop flight route between Cancún, Quintana Roo, Mexico and SeaTac (near Seattle and Tacoma), Washington, United States:
Departure Airport:

Arrival Airport:

Distance from CUN to SEA:
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- About this route
- CUN Airport Information
- SEA Airport Information
- Facts about CUN
- Facts about SEA
- Map of Nearest Airports to CUN
- List of Nearest Airports to CUN
- Map of Furthest Airports from CUN
- List of Furthest Airports from CUN
- 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 Cancún International Airport (CUN), Cancún, Quintana Roo, Mexico and Seattle–Tacoma International Airport (SEA), SeaTac (near Seattle and Tacoma), Washington, United States would travel a Great Circle distance of 2,685 miles (or 4,321 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 large distance between Cancún International Airport and Seattle–Tacoma International Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Cancún International Airport and Seattle–Tacoma International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | CUN / MMUN |
Airport Names: |
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Location: | Cancún, Quintana Roo, Mexico |
GPS Coordinates: | 21°2'12"N by 86°52'36"W |
Area Served: | Cancún |
Operator/Owner: | Grupo Aeroportuario del Sureste |
Airport Type: | Public |
Elevation: | 20 feet (6 meters) |
# of Runways: | 1 |
View all routes: | Routes from CUN |
More Information: | CUN 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 Cancún International Airport (CUN):
- The closest airport to Cancún International Airport (CUN) is Cozumel International Airport (CZM), which is located 36 miles (58 kilometers) S of CUN.
- In addition to being known as "Cancún International Airport", another name for CUN is "Aeropuerto Internacional de Cancún".
- Cancún International Airport (CUN) currently has only 1 runway.
- Cancún International Airport is located in Cancún, Quintana Roo, on the Caribbean coast of Mexico's Yucatán Peninsula.
- The airport has three terminals, two of which are currently in use, with Terminal 1 scheduled for remodeling.
- Because of Cancún International Airport's relatively low elevation of 20 feet, planes can take off or land at Cancún 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.
- The furthest airport from Cancún International Airport (CUN) is Cocos (Keeling) Island Airport (CCK), which is located 11,778 miles (18,955 kilometers) away in Cocos Islands, Australia.
- The airport has been expanding as it has become one of the most important international airports in the country.
Facts about Seattle–Tacoma International Airport (SEA):
- Seattle–Tacoma International Airport (SEA) has 3 runways.
- 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.
- 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.
- The facility was originally scheduled to open in Spring 2011.
- In addition to being known as "Seattle–Tacoma International Airport", another name for SEA is "Sea–Tac Airport".
- Seattle–Tacoma International Airport handled 34,776,666 passengers last year.
- The two-story North Concourse added four new gate positions and a new wing 600 feet long and 30 feet wide.
- 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 new 3rd runway opened on November 20, 2008, with a total construction cost of $1.1 billion.
- Interstate 5 and its offshoot Interstate 405 intersect very close to the airport, and most people use private vehicles to arrive at the airport.
- In 2013, the airport served over 34.7 million passengers, making it the 15th-busiest airport in the United States.