Seattle to Dallas flights – the most comfortable way to fly

2 airlines fly nonstop between Seattle and Dallas, about 28 flights a week. The flight takes 3h 55m and covers 2,668 km. The most comfortable economy seat is on Delta's Airbus A321neo. There's no lie-flat business class on this route.

Flight time3h 55m
Distance2,668 km
Nonstop flights / week28

Most comfortable economy

Delta · Airbus A321neo
Economy · 3-3
5.3Okay
  • 31″ legroom
  • 18.0″ wide seat
  • Cabin altitude 8,000 ft
  • Wi-Fi
  • Power

Most comfortable business

Delta · Boeing 737-800
Recliner (domestic first) · 2-2
7.4Very comfortable
  • 38″ legroom
  • 21.0″ wide seat
  • No middle seats
  • Cabin altitude 8,000 ft
  • Wi-Fi

Nonstop flights from Seattle to Dallas

FlightDepartsDurationAircraftEconomyBusinessDays
Delta DL772
SEA → DFW
08:05 3h 55m 737-800
Narrow-body
3.8Cramped 7.4Very comfortable MTWTFSS
American Airlines AA2130
SEA → DFW
09:00 3h 55m 737 MAX 8
Narrow-body
4.5Okay 7.4Very comfortable MTWTFSS
Delta DL3208
SEA → DFW
15:55 3h 55m A321neo
Narrow-body
5.3Okay 7.4Very comfortable MTWTFSS
American Airlines AA1860
SEA → DFW
16:45 3h 55m A320
Narrow-body
4.8Okay 7.4Very comfortable MTWTFSS

Frequently asked questions

How long is the flight from Seattle to Dallas?

A nonstop flight from Seattle to Dallas takes about 3 h 55 min and covers 2,668 km.

Which airlines fly nonstop from Seattle to Dallas?

American Airlines and Delta fly nonstop, with about 28 flights a week.

What is the most comfortable economy seat from Seattle to Dallas?

Delta on the Airbus A321neo: 3-3 layout, 31″ legroom and 18.0″ wide seats – comfort score 5.3/10 (okay).

Is there lie-flat business class from Seattle to Dallas?

No – business class on this route is recliner (domestic first) (2-2). The best is Delta on the Boeing 737-800, comfort score 7.4/10.

Can I fly with my dog from Seattle to Dallas?

Yes – American Airlines and Delta take small dogs in the cabin (usually up to 9 kg including the bag).

Is business class worth it from Seattle to Dallas?

Business is a wide recliner with more legroom for about 233% more than economy on Delta – SkyBuddy's upgrade score: 1.5/10 (not worth it).

Which aircraft fly from Seattle to Dallas?

Airbus A321neo, Airbus A320, Boeing 737-800, and Boeing 737 MAX 8.

Schedules, seat details and fares are indicative estimates from SkyBuddy's airline model. Check the live price before you book.