Dallas-Fort Worth to Seattle is 1,660 miles (2,672 km), a flight of about 3 hours 15 minutes.
The right side benefits from the Rocky Mountain terrain of Colorado and Wyoming during cruise and the dramatic Puget Sound and Olympic Mountains approach into BFI, giving it more consistent visual interest than the left side's flatter, plains-dominated view.
Flight Path
Rocky Mountain foothills and high plains of eastern Colorado and Wyoming, including the Front Range near Cheyenne, followed by the Wyoming Basin and Snake River Plain approaching Idaho.
Great circle distance and headings ›Phase by phase

Takeoff from DFW
LEFTDFW departures in prevailing wind conditions climb southward before turning northwest, and the initial turn puts downtown Dallas's skyline and the Trinity River on the left side of the aircraft. It's a brief urban highlight before the route flattens into the Great Plains.

Landing at BFI
RIGHTOn approach to BFI with southerly winds favoring runway 14, aircraft descend from the north over Puget Sound, giving the right side sweeping views of the water, the Olympic Mountains on the horizon, and the Seattle skyline near Elliott Bay just before touchdown.
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About This Route
Which side of the plane should I sit on flying from Dallas Fort Worth International (DFW) to Boeing Fld King Co International (BFI)?
Sit on the Right side of the plane for the best views on flights from Dallas-Fort Worth to Seattle. The right side benefits from the Rocky Mountain terrain of Colorado and Wyoming during cruise and the dramatic Puget Sound and Olympic Mountains approach into BFI, giving it more consistent visual interest than the left side's flatter, plains-dominated view.
What can I see during takeoff from Dallas Fort Worth International in Dallas-Fort Worth?
During takeoff from Dallas Fort Worth International (DFW), sit on the Left side for the best views. DFW departures in prevailing wind conditions climb southward before turning northwest, and the initial turn puts downtown Dallas's skyline and the Trinity River on the left side of the aircraft. It's a brief urban highlight before the route flattens into the Great Plains. Notable sights include: Downtown Dallas skyline, Trinity River, DFW airport complex.
What can I see when landing at Boeing Fld King Co International in Seattle?
When landing at Boeing Fld King Co International (BFI), sit on the Right side for the best views. On approach to BFI with southerly winds favoring runway 14, aircraft descend from the north over Puget Sound, giving the right side sweeping views of the water, the Olympic Mountains on the horizon, and the Seattle skyline near Elliott Bay just before touchdown. Notable sights include: Puget Sound, Olympic Mountains, Seattle skyline, Elliott Bay.
How long is the flight from Dallas-Fort Worth to Seattle?
The flight from Dallas Fort Worth International (DFW) to Boeing Fld King Co International (BFI) takes about 3 hours 15 minutes. The shortest flight path between them is 1,660 miles (2,672 km); winds and air traffic control usually add a few percent.
What does the Dallas-Fort Worth to Seattle flight path pass over?
Rocky Mountain foothills and high plains of eastern Colorado and Wyoming, including the Front Range near Cheyenne, followed by the Wyoming Basin and Snake River Plain approaching Idaho.