Direct (nonstop) flights from Seattle to Dallas
1 airline flys nonstop from Seattle Tacoma International (SEA) to Dallas Love Fld (DAL). It's 1,669 miles (2,686 km), about 3h 55m 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 Seattle to Dallas with one stop · direct emits 282 kg CO₂ per passenger
Looking for the return flight?
DAL → SEA: Flights from Dallas to SeattleOther direct flights from Seattle
Direct flights from Dallas (DAL)
Frequently Asked Questions
How long is the direct flight from Seattle to Dallas?
A nonstop flight from Seattle (SEA) to Dallas (DAL) takes approximately 3 hours and 55 minutes. The distance is 1,669 miles (2,686 km).
Which airlines fly nonstop from Seattle to Dallas?
Just Southwest Airlines.
Is there a nonstop flight from Seattle to Dallas?
Yes. 1 airline: Southwest Airlines.
How far is Seattle from Dallas?
The flight distance from Seattle to Dallas is 1,669 miles (2,686 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Seattle to Dallas?
At 3h 55m, 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 Seattle to Dallas?
Roughly 282 kg CO2 per passenger one-way. That's about the same as driving 1,410 km.
Is the return flight from Dallas to Seattle 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 Seattle to Dallas?
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 Seattle Tacoma International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.