The flight distance from Seattle-Tacoma International Airport (SEA) in Seattle, United States to Deer Lake Airport (YDF) in Deer Lake, Canada is 4,652 kilometers (2,891 miles / 2,512 nautical miles). The estimated flight time for this route is approximately 6h, flying east northeast at a heading of 63°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting United States with Canada. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 18:21 in Seattle, it's 22:51 in Deer Lake. The 4.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Deer Lake (YDF) to Seattle (SEA) follows a heading of 293° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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