Direct (nonstop) flights from Dallas to Seattle
3 airlines fly nonstop from Dallas Fort Worth International (DFW) to Seattle Tacoma International (SEA). It's 1,659 miles (2,670 km), about 4h 26m in the air. Operated by American Airlines, Alaska Airlines, Delta Air Lines.
Route data last updated: May 29, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Dallas to Seattle with one stop · direct emits 280 kg CO₂ per passenger
Looking for the return flight?
SEA → DFW: Flights from Seattle to DallasOther direct flights from Dallas
Direct flights from Seattle (SEA)
Frequently Asked Questions
How long is the direct flight from Dallas to Seattle?
A nonstop flight from Dallas (DFW) to Seattle (SEA) takes approximately 4 hours and 26 minutes. The distance is 1,659 miles (2,670 km).
Which airlines fly nonstop from Dallas to Seattle?
3 airlines: American Airlines, Alaska Airlines, Delta Air Lines.
Is there a nonstop flight from Dallas to Seattle?
Yes. 3 airlines: American Airlines, Alaska Airlines, Delta Air Lines.
How far is Dallas from Seattle?
The flight distance from Dallas to Seattle is 1,659 miles (2,670 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Dallas to Seattle?
At 4h 26m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Dallas to Seattle?
Roughly 280 kg CO2 per passenger one-way. That's about the same as driving 1,400 km.
Is the return flight from Seattle to Dallas also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Dallas to Seattle?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Dallas Fort Worth International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.