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DEN–SEA · Nonstop
Denver (Denver International Airport) to Seattle (Seattle-Tacoma International Airport).
The nonstop flight from Denver (DEN) to Seattle (SEA) takes 2h 26m on average, covering about 1,022 miles. Across 11 flights we tracked, the fastest was 2h 21m and the slowest 2h 36m. The current schedule below is the better source for planned airline frequency.
Plan this route| Avg flight time | Distance | Route type | Fastest tracked | Airlines |
|---|---|---|---|---|
| 2h 26m | 1,022 mi | Nonstop | 2h 21m | 5 |
United Airlines, Alaska Airlines, Southwest Airlines and 2 more operate 22-23/day flights from DEN to SEA.
| Airline | Captured frequency | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 6-7/day | Airbus A320 family, Boeing 737 · Seat map | 06:0008:0108:0209:4511:2111:2313:5514:0014:1815:4515:5019:1019:1419:3021:0321:10 |
| Alaska Airlines | 6/day | Boeing 737, Embraer E-Jet · Seat map | 06:0208:4008:4512:3012:5515:3316:3618:1518:1818:2121:08 |
| Southwest Airlines | 4-5/day | Boeing 737 · Seat map | 06:3007:2508:4509:0509:1511:1511:2511:4013:0015:4016:1516:2016:4518:5019:3519:5020:5521:05 |
| Delta Air Lines | 3-4/day | Airbus A220, Boeing 737 | 06:2013:2114:2016:5718:43 |
| Frontier Airlines | 2-3/day | Airbus A320 family · Seat map | 07:0008:4711:00 |
Airlines seen among the 11 flights we have tracked on DEN to SEA. The sample is too small to rank carriers by share; the scheduled departures above show who flies this route most.
Flight times usually differ by direction — jet-stream winds make eastbound crossings faster than westbound ones.
Methodology: figures are aggregated from 11 real flights on this route, sourced from live flight data. Updated daily as new flights are observed.
The nonstop flight from Denver (DEN) to Seattle (SEA) takes 2h 26m on average. The fastest flight we have tracked took 2h 21m and the slowest 2h 36m.
Denver (DEN) to Seattle (SEA) is about 1,022 miles by air.
Yes. United Airlines, Alaska Airlines, Southwest Airlines and 2 more fly nonstop from Denver (DEN) to Seattle (SEA), with 22-23/day departures.
United Airlines, Alaska Airlines, Southwest Airlines, Delta Air Lines, and Frontier Airlines fly nonstop from Denver (DEN) to Seattle (SEA).
The DEN–SEA route is flown with Airbus A220, Airbus A320 family, Boeing 737, Embraer E-Jet.