The flight distance from Johnson County Airport (BYG) in Buffalo, United States to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 1,251 kilometers (777 miles / 675 nautical miles). The estimated flight time for this route is approximately 2h, flying west northwest at a heading of 291°.

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 1-hour time difference between the two cities.

Time zone information: When it's 15:46 in Buffalo, it's 14:46 in Seattle.

There is a significant elevation difference of 4,538 feet between the two airports. Seattle-Tacoma International Airport sits lower than Johnson County Airport.

The return flight from Seattle (SEA) to Buffalo (BYG) follows a heading of 100° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Johnson County Airport (BYG) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.