Nonstop flight route between SeaTac (near Seattle and Tacoma), Washington, United States and Hat Yai, Songkhla Province, Thailand:
Departure Airport:

Arrival Airport:

Distance from SEA to HDY:
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- About this route
- SEA Airport Information
- HDY Airport Information
- Facts about SEA
- Facts about HDY
- Map of Nearest Airports to SEA
- List of Nearest Airports to SEA
- Map of Furthest Airports from SEA
- List of Furthest Airports from SEA
- Map of Nearest Airports to HDY
- List of Nearest Airports to HDY
- Map of Furthest Airports from HDY
- List of Furthest Airports from HDY
About this route:
A direct, nonstop flight between Seattle–Tacoma International Airport (SEA), SeaTac (near Seattle and Tacoma), Washington, United States and Hat Yai International Airport (HDY), Hat Yai, Songkhla Province, Thailand would travel a Great Circle distance of 7,867 miles (or 12,660 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 Seattle–Tacoma International Airport and Hat Yai 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 Seattle–Tacoma International Airport and Hat Yai 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: | 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 |
Arrival Airport Information:
IATA / ICAO Codes: | HDY / VTSS |
Airport Names: |
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Location: | Hat Yai, Songkhla Province, Thailand |
GPS Coordinates: | 6°55'59"N by 100°23'34"E |
Operator/Owner: | Airports of Thailand |
Airport Type: | Public |
Elevation: | 90 feet (27 meters) |
# of Runways: | 1 |
View all routes: | Routes from HDY |
More Information: | HDY Maps & Info |
Facts about Seattle–Tacoma International Airport (SEA):
- 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.
- 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.
- 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.
- In addition to being known as "Seattle–Tacoma International Airport", another name for SEA is "Sea–Tac Airport".
- The new 3rd runway opened on November 20, 2008, with a total construction cost of $1.1 billion.
- 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.
- Seattle's Central Link light-rail line serves the airport at the SeaTac/Airport Station, which opened on December 19, 2009.
- Citing increased landing fees and other costs due to the aforementioned work at the airport, Southwest Airlines threatened in 2005 to move to nearby Boeing Field.
- 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.
- Seattle–Tacoma International Airport (SEA) has 3 runways.
Facts about Hat Yai International Airport (HDY):
- In addition to being known as "Hat Yai International Airport", another name for HDY is "ท่าอากาศยานหาดใหญ่".
- The runway can handle 30 flights per hour and its durability is rated at PCN 60/F/C/X/T.
- Hat Yai International Airport (HDY) currently has only 1 runway.
- Because of Hat Yai International Airport's relatively low elevation of 90 feet, planes can take off or land at Hat Yai 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 closest airport to Hat Yai International Airport (HDY) is Sultan Abdul Halim Airport (AOR), which is located 51 miles (82 kilometers) S of HDY.
- The furthest airport from Hat Yai International Airport (HDY) is Cap. FAP José A. Quiñones González International Airport (CIX), which is nearly antipodal to Hat Yai International Airport (meaning Hat Yai International Airport is almost on the exact opposite side of the Earth from Cap. FAP José A. Quiñones González International Airport), and is located 12,419 miles (19,986 kilometers) away in Chiclayo, Peru.
- Hat Yai International Airport handled 2,465,370 passengers last year.