DenverSeattleNonstop Flight TimeDEN–SEA
Denver (Denver International Airport) to Seattle (Seattle-Tacoma International Airport).
The nonstop flight from Denver (DEN) to Seattle (SEA) takes 2h 18m on average, covering about 1,022 miles. Across 8 flights we tracked, the fastest was 2h 12m and the slowest 2h 25m. The current schedule below is the better source for planned airline frequency.
Plan this routeAt a glance
| Avg flight time | Distance | Route type | Fastest tracked | Airlines |
|---|---|---|---|---|
| 2h 18m | 1,022 mi | Nonstop | 2h 12m | 3 |
Airlines on this route
Nonstop airlines from Denver to Seattle
United Airlines, Alaska Airlines, and Southwest Airlines operate 21-22/day flights from DEN to SEA.
- First departure
- 06:00
- Last departure
- 22:20
- Cadence
- ~every 30 min
- Scheduled departure times
- 40
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 6-7/day | Airbus A320 family, Boeing 737 · Seat map | 06:00 |
Aircraft we tracked
Methodology: figures are aggregated from 8 real flights on this route, sourced from live flight data. Updated daily as new flights are observed.
Route FAQ
How long is the flight from Denver to Seattle?
The nonstop flight from Denver (DEN) to Seattle (SEA) takes 2h 18m on average. The fastest flight we have tracked took 2h 12m and the slowest 2h 25m.
How far is Denver from Seattle?
Denver (DEN) to Seattle (SEA) is about 1,022 miles by air.
Are there nonstop flights from Denver to Seattle?
Yes. United Airlines, Alaska Airlines, and Southwest Airlines fly nonstop from Denver (DEN) to Seattle (SEA), with 21-22/day departures.
Which airlines fly from Denver to Seattle?
United Airlines, Alaska Airlines, Southwest Airlines, Delta Air Lines, and Frontier Airlines fly nonstop from Denver (DEN) to Seattle (SEA).
What aircraft fly from Denver to Seattle?
The DEN–SEA route is flown with Airbus A220, Airbus A320 family, Boeing 737.