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Flight distance & time
Denver International Airport → Seattle Tacoma International Airport
DENSEA
- Distance
- 1,644 km · 1,021 mi
- Flight time
- 02h 48m
- CO₂ per passenger
- 147 kg
This Denver International Airport → Seattle Tacoma International Airport route is 1,644 km (1,021 mi) end to end. The estimated flight time is 02h 48m, and a passenger's share of CO₂ works out at roughly 147 kg.
See the reverse route: Seattle Tacoma International Airport → Denver International Airport
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Your route
- FromDENDenver International AirportDenver, Colorado
- ToSEASeattle Tacoma International AirportSeattle, Washington
Flight map
Track your lifetime distance flown across every trip.
Route service
We don't have scheduled-service data for this route — it may be operated by non-commercial or charter flights only.
Common questions
Denver International Airport to Seattle Tacoma International Airport FAQ
How far is Denver International Airport from Seattle Tacoma International Airport?
Denver International Airport (DEN) and Seattle Tacoma International Airport (SEA) are 1,644 km (1,021 mi) apart, measured along the great-circle route.
How long is the flight from Denver International Airport to Seattle Tacoma International Airport?
A direct DEN–SEA flight covers the distance in about 02h 48m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Denver International Airport to Seattle Tacoma International Airport produce?
A passenger's share of CO₂ on the DEN–SEA route is roughly 147 kg.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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