Dallas to Seattle flights – the most comfortable way to fly
2 airlines fly nonstop between Dallas and Seattle, about 28 flights a week. The flight takes 3h 55m and covers 2,668 km. The most comfortable economy seat is on American Airlines's Airbus A321neo. There's no lie-flat business class on this route.
Most comfortable economy
- 31″ legroom
- 18.0″ wide seat
- Cabin altitude 8,000 ft
- Wi-Fi
- Power
Most comfortable business
- 38″ legroom
- 21.0″ wide seat
- No middle seats
- Cabin altitude 8,000 ft
- Wi-Fi
Nonstop flights from Dallas to Seattle
| Flight | Departs | Duration | Aircraft | Economy | Business | Days |
|---|---|---|---|---|---|---|
| Delta DL4350 DFW → SEA |
08:30 | 3h 55m | 737-800 Narrow-body |
3.8Cramped | 7.4Very comfortable | MTWTFSS |
| American Airlines AA6781 DFW → SEA |
08:50 | 3h 55m | A321neo Narrow-body |
5.3Okay | 7.4Very comfortable | MTWTFSS |
| Delta DL7869 DFW → SEA |
16:15 | 3h 55m | A321neo Narrow-body |
5.3Okay | 7.4Very comfortable | MTWTFSS |
| American Airlines AA5427 DFW → SEA |
16:35 | 3h 55m | 737 MAX 8 Narrow-body |
4.5Okay | 7.4Very comfortable | MTWTFSS |
Frequently asked questions
How long is the flight from Dallas to Seattle?
A nonstop flight from Dallas to Seattle takes about 3 h 55 min and covers 2,668 km.
Which airlines fly nonstop from Dallas to Seattle?
American Airlines and Delta fly nonstop, with about 28 flights a week.
What is the most comfortable economy seat from Dallas to Seattle?
American Airlines 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 Dallas to Seattle?
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 Dallas to Seattle?
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 Dallas to Seattle?
Business is a wide recliner with more legroom for about 132% more than economy on Delta – SkyBuddy's upgrade score: 2.6/10 (not worth it).
Which aircraft fly from Dallas to Seattle?
Airbus A321neo, 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.