Distance From Seattle/Tacoma International Airport to Logan International Airport (SEA - BOS Distance)
The flight distance from Seattle/Tacoma International Airport (SEA) to Logan International Airport (BOS) is 2489 miles. This is equivalent to 4006 kilometers or 2162 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.
4006 kilometers is the distance from Seattle/Tacoma International Airport, United States to Logan International Airport, United States.
Flight Duration between Seattle, United States and Boston, United States
Estimated flight time from Seattle/Tacoma International Airport, Seattle, United States to Logan International Airport, Boston, United States is 4 hours 58 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 - BOS
Time difference between Seattle (United States) and Boston (United States) is 2 Hours.
Current local time in Seattle is 2025-08-11, 04:54:18 MDT and time in Boston is 2025-08-11, 06:54:18 EDT.
Boston time is 2 Hours ahead of Seattle.
Seattle/Tacoma International Airport to Logan International Airport Flight Route Map - SEA to BOS Flight Path
Location of Seattle/Tacoma International Airport & Logan International Airport is given below.Click the map to view Seattle to Boston nonstop flight path and travel direction.
















Click to see flight route on Google Map between Seattle, United States and Boston, United States. .
Nonstop flight route between Seattle, United States and Boston, United States.
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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: | 2025-08-11, 04:54:18 MDT |
Current weather: |
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City: | Boston |
Country: | United States ![]() |
IATA Code: | BOS |
ICAO Code: | KBOS |
GPS Coordinates: | Latitude: N 42° 21' 51.6'' Longitude: W 71° 0' 18.7'' |
Current time: | 2025-08-11, 06:54:18 EDT |
Current weather: |
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