Flight Route · Domestic
Denver → Seattle
DEN to SEA
Denver International Airport to Seattle–Tacoma International Airport: 1,022 miles (1,645 km), about 2h 33m airborne, −1h time-zone shift on arrival.
Distance
1,022 mi
1,645 km
Flight time
2h 33m
block time, approx
Time-zone shift
−1h
Denver → Los_Angeles
International?
No (domestic)
United States
Airlines serving both airports
These carriers operate scheduled service from both DEN and SEA. Direct service on this specific route depends on season and equipment — confirm with your booking source.
DEN–SEA questions, answered
How long is the flight from Denver to Seattle?
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A direct flight from Denver International Airport (DEN) to Seattle–Tacoma International Airport (SEA) takes approximately 2h 33m. Actual block time varies with aircraft type, winds, and routing.
What is the distance from DEN to SEA?
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The great-circle distance from Denver International Airport to Seattle–Tacoma International Airport is approximately 1022 miles (1645 kilometers). Actual flown distance varies slightly with the routing assigned by air traffic control.
What is the time difference between Denver and Seattle?
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Seattle is −1h relative to Denver. America/Denver → America/Los_Angeles.
Which airlines fly from DEN to SEA?
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Carriers serving both endpoints include UA, WN. Direct service depends on the specific carrier and season — confirm with your booking source for current schedules.
Is this an international flight?
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No — both Denver and Seattle are in United States, so this is a domestic flight.
Can I track DEN–SEA flights on TripDesk365?
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Yes. TripDesk365 imports your booking confirmations from your inbox, identifies the route, and shows real-time status — gate changes, delays, and live aircraft position. Free for 14 days.
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