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.

DFW
Dallas Fort Worth International
🇺🇸 Dallas, USA
SEA
Seattle Tacoma International
🇺🇸 Seattle, USA
Flight Time
4h 26m
Distance
1,659 mi
2,670 km
CO₂/pax
280 kg
−34 kg vs. layover
Airlines
3
American Airlines +2
Time Diff
-2h
Operated by American Airlines American Airlines Alaska Airlines Alaska Airlines Delta Air Lines Delta Air Lines

Route data last updated: May 29, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
DFW → SEA
Flight Time
4h 26m
Distance
1,659 mi
Alaska Airlines AS Alaska Airlines
Route
DFW → SEA
Flight Time
4h 26m
Distance
1,659 mi
Delta Air Lines DL Delta Air Lines
Route
DFW → SEA
Flight Time
4h 26m
Distance
1,659 mi

Alternative Routes

Other ways to fly from Dallas to Seattle with one stop · direct emits 280 kg CO₂ per passenger

DFW BOI (Boise) SEA
Leg 1: 3h 23m (1,272 mi) Leg 2: 1h 42m (398 mi) Total: ~5h 5m 🍃 314 kg CO₂ (+12% vs. direct)
Leg 1
DFW → BOI
3h 23m · 1,272 mi
View DFW to BOI flights →
Leg 2
BOI → SEA
1h 42m · 398 mi
View BOI to SEA flights →
DFW GEG (Spokane) SEA
Leg 1: 3h 48m (1,476 mi) Leg 2: 1h 17m (223 mi) Total: ~5h 5m 🍃 315 kg CO₂ (+13% vs. direct)
Leg 1
DFW → GEG
3h 48m · 1,476 mi
View DFW to GEG flights →
Leg 2
GEG → SEA
1h 17m · 223 mi
View GEG to SEA flights →
DFW IDA (Idaho Falls) SEA
Leg 1: 3h 10m (1,094 mi) Leg 2: 1h 57m (565 mi) Total: ~5h 7m 🍃 315 kg CO₂ (+13% vs. direct)
Leg 1
DFW → IDA
3h 10m · 1,094 mi
View DFW to IDA flights →
Leg 2
IDA → SEA
1h 57m · 565 mi
View IDA to SEA flights →
DFW OKC (Oklahoma City) SEA
Leg 1: 1h 5m (175 mi) Leg 2: 4h 4m (1,519 mi) Total: ~5h 9m 🍃 314 kg CO₂ (+12% vs. direct)
Leg 1
DFW → OKC
1h 5m · 175 mi
View DFW to OKC flights →
Leg 2
OKC → SEA
4h 4m · 1,519 mi
View OKC to SEA flights →
DFW BIL (Billings) SEA
Leg 1: 3h 1m (1,080 mi) Leg 2: 2h 10m (664 mi) Total: ~5h 11m 🍃 330 kg CO₂ (+18% vs. direct)
Leg 1
DFW → BIL
3h 1m · 1,080 mi
View DFW to BIL flights →
Leg 2
BIL → SEA
2h 10m · 664 mi
View BIL to SEA flights →

Looking for the return flight?

SEA → DFW: Flights from Seattle to Dallas

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.