DEN to SEA Route Guide
Denver, United States → Seattle, United States
Quick answer
KDEN (Denver, United States) to KSEA (Seattle, United States) is a 888 NM (1,645 km / 1,022 mi) great-circle route with an initial bearing of 307° (NW). Typical cruise altitude FL350, expected flight time 2h 23m, common aircraft: Boeing 737-800, Airbus A320neo, Airbus A321neo.
Distance
888 NM
1,645 km / 1,022 mi
Initial Bearing
307° (NW)
True heading at departure
Typical Cruise
FL350
35,000 ft
Block Time
2h 23m
Typical jet, no wind correction
Fuel Estimate
4,164 kg
Single-aisle equivalent + reserve
Departure Elevation
5,431 ft
KDEN
Arrival Elevation
433 ft
KSEA
What aircraft fly this route?
For a 888 NM mission, operators typically deploy:
- Boeing 737-800
- Airbus A320neo
- Airbus A321neo
- Boeing 737 MAX 8
Weather considerations
Pilots flying DEN-SEA should brief METARs and TAFs at both ends, plus any en-route SIGMETs. KDEN is a high-elevation airport — brief density altitude on departure.
Frequently asked questions
What is the distance between DEN and SEA?
888 nautical miles (1,645 km / 1,022 statute miles) great-circle.
How long is the flight from Denver to Seattle?
Approximately 2h 23m block-to-block for a typical commercial jet, depending on aircraft type and winds.
What aircraft typically fly DEN-SEA?
Common types include Boeing 737-800, Airbus A320neo, Airbus A321neo, Boeing 737 MAX 8 depending on operator and demand.
What altitude do flights cruise at?
Most flights at this distance cruise around FL350 (35,000 ft), though winds and traffic affect filed altitude.
What initial heading is the route?
307° true (NW). Track varies along the route due to great-circle curvature.
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