Nonstop flight route between Shannon (County Clare), Ireland and SeaTac (near Seattle and Tacoma), Washington, United States:
Departure Airport:

Arrival Airport:

Distance from SNN to SEA:
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- About this route
- SNN Airport Information
- SEA Airport Information
- Facts about SNN
- Facts about SEA
- Map of Nearest Airports to SNN
- List of Nearest Airports to SNN
- Map of Furthest Airports from SNN
- List of Furthest Airports from SNN
- 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 Shannon Airport (SNN), Shannon (County Clare), Ireland and Seattle–Tacoma International Airport (SEA), SeaTac (near Seattle and Tacoma), Washington, United States would travel a Great Circle distance of 4,488 miles (or 7,222 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 Shannon 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 Shannon 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: | SNN / EINN |
Airport Names: |
|
Location: | Shannon (County Clare), Ireland |
GPS Coordinates: | 52°42'6"N by 8°55'28"W |
Area Served: | Limerick City, Ireland |
Operator/Owner: | Government of Ireland |
Airport Type: | Commercial |
Elevation: | 46 feet (14 meters) |
# of Runways: | 1 |
View all routes: | Routes from SNN |
More Information: | SNN Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | SEA / KSEA |
Airport Names: |
|
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 Shannon Airport (SNN):
- Shannon Airport (SNN) currently has only 1 runway.
- The furthest airport from Shannon Airport (SNN) is Ryan's Creek Aerodrome (SZS), which is nearly antipodal to Shannon Airport (meaning Shannon Airport is almost on the exact opposite side of the Earth from Ryan's Creek Aerodrome), and is located 12,015 miles (19,336 kilometers) away in Stewart Island, New Zealand.
- Aer Lingus announced on 15 June 2010 that it would be suspending services from Shannon to Boston and New York for 11 weeks from January 2011.
- In addition to being known as "Shannon Airport", another name for SNN is "Aerfort na Sionainne".
- In the late 1930s, transatlantic air traffic was dominated by flying boats, and a flying boat terminal was located at Foynes on the south side of the Shannon Estuary.
- In March 2013, the new company appointed Neil Pakey as its first CEO.
- The closest airport to Shannon Airport (SNN) is Inisheer Aerodrome (INQ), which is located 35 miles (56 kilometers) NW of SNN.
- During the 1990s, the airport began to struggle.
- Shannon Airport handled 1,400,032 passengers last year.
- The last quarter of 2012 saw a resurgence for Shannon, with new services announced for Philadelphia and Chicago, a return of Aer Lingus to JFK and Boston, and Delta to JFK, giving Shannon direct services to five US airports for 2013.
- The number of international carriers rose sharply in succeeding years as Shannon became well known as the gateway between Europe and the Americas.
- Because of Shannon Airport's relatively low elevation of 46 feet, planes can take off or land at Shannon 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.
Facts about Seattle–Tacoma International Airport (SEA):
- The airport is also served both by the King County Metro bus system and Sound Transit regional express buses.
- Seattle–Tacoma International Airport (SEA) has 3 runways.
- 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 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.
- In addition to being known as "Seattle–Tacoma International Airport", another name for SEA is "Sea–Tac Airport".
- A new control tower was built beginning in 2001 and opened November 2004, at a cost of $26 million.
- The new 3rd runway opened on November 20, 2008, with a total construction cost of $1.1 billion.
- 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.
- 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.