✈ DFW → SEA
DALLAS → SEATTLE IN 3H 56M. PACK SNACKS. PACK PATIENCE.
Flight from Dallas to Seattle
From Dallas/Fort Worth (DFW), USA North America → Sea-Tac (SEA), USA North America
How long is the flight from Dallas to Seattle?
A nonstop flight from Dallas (DFW) to Seattle (SEA) takes about 3 hours 56 minutes, covering a great-circle distance of 1,658 miles (2,668 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
3h 56m
Nonstop, scheduled
Distance
1,658 mi
2,668 km · great-circle
Avg speed
680 km/h
Door-to-door including taxi
Time zones & jet lag
Dallas timezone
UTC-5
America/Chicago
Seattle timezone
UTC-7
America/Los_Angeles
Time difference
-2h
2 hours behind
Jet lag (rough)
~1.4d
Westward — easier
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3× the CO₂ of an equivalent train trip and 0.7× a car driven alone over the same distance.