Direct (nonstop) flights from Dallas to Seattle
1 airline flys nonstop from Dallas Love Fld (DAL) to Seattle Tacoma International (SEA). It's 1,669 miles (2,686 km), about 4h 15m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Dallas to Seattle with one stop · direct emits 282 kg CO₂ per passenger
Looking for the return flight?
SEA → DAL: 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 (DAL) to Seattle (SEA) takes approximately 4 hours and 15 minutes. The distance is 1,669 miles (2,686 km).
Which airlines fly nonstop from Dallas to Seattle?
Just Southwest Airlines.
Is there a nonstop flight from Dallas to Seattle?
Yes. 1 airline: Southwest Airlines.
How far is Dallas from Seattle?
The flight distance from Dallas to Seattle is 1,669 miles (2,686 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Dallas to Seattle?
At 4h 15m, 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 282 kg CO2 per passenger one-way. That's about the same as driving 1,410 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 Love Fld for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.