Distance From Seattle/Tacoma International Airport to Changi Airport (SEA - SIN Distance)
The flight distance from Seattle/Tacoma International Airport (SEA) to Changi Airport (SIN) is 8065 miles. This is equivalent to 12979 kilometers or 7004 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.
12979 kilometers is the distance from Seattle/Tacoma International Airport, United States to Changi Airport, Singapore.
Flight Duration between Seattle, United States and Singapore, Singapore
Estimated flight time from Seattle/Tacoma International Airport, Seattle, United States to Changi Airport, Singapore, Singapore is 16 hours 8 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.
Time Difference Between the Airports • SEA - SIN
Time difference between Seattle (United States) and Singapore (Singapore) is 14 Hours.
Current local time in Seattle is 2025-04-21, 00:47:59 MDT and time in Singapore is 2025-04-21, 14:47:59 +08.
Singapore time is 14 Hours ahead of Seattle.
Seattle/Tacoma International Airport to Changi Airport Flight Route Map - SEA to SIN Flight Path
Location of Seattle/Tacoma International Airport & Changi Airport is given below.Click the map to view Seattle to Singapore nonstop flight path and travel direction.
Click to see flight route on Google Map between Seattle, United States and Singapore, Singapore. .
Nonstop flight route between Seattle, United States and Singapore, Singapore.
Seattle/Tacoma International Airport |
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| City: | Seattle |
| Country: | United States  |
| IATA Code: | SEA |
| ICAO Code: | KSEA |
| GPS Coordinates: | Latitude: N 47° 26' 56.4'' Longitude: W 122° 18' 33.5'' |
| Current time: | 2025-04-21, 00:47:59 MDT |
| Current weather: |
Seattle/Tacoma International Airport 15 day weather forecast
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Changi Airport |
|
| City: | Singapore |
| Country: | Singapore  |
| IATA Code: | SIN |
| ICAO Code: | WSSS |
| GPS Coordinates: | Latitude: N 1° 21' 0.7'' Longitude: E 103° 59' 38.4'' |
| Current time: | 2025-04-21, 14:47:59 +08 |
| Current weather: |
Changi Airport 15 day weather forecast
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| Flights: |
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