Flights operate between Denver (DEN) and SeaTac (SEA).
4 airlines operate this route with 8-20 flights daily flights.
Average flight time is 2h 50m - 3h 16m.
Route distance is 1028 miles (1654 km).
Route Distance
1028 miles (1654 km)
Average Duration
2h 50m - 3h 16m
Airlines Operating This Route
United Airlines, Delta Air Lines, Alaska Airlines, Southwest Airlines
Flight Frequency
Daily Flights
8-20 flights
Weekly Flights
106
Typical Departure Time Ranges
Earliest Departure
00:25
Latest Departure
22:35
Flight Schedule & Filters
Flight Schedule Calendar
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Direct (non-stop) flights from Denver (DEN) to SeaTac (SEA)
Direct (non-stop) flights operate between Denver (DEN) and SeaTac (SEA). This popular route is operated by 5 airlines, offering multiple daily departures.• Flight Duration: 2h 50m - 3h 16m (average flight time)• Distance: 1028 miles (1654 km) (air miles between airports)• Daily Flights: 8-20 flights (scheduled departures per day)
Denver (DEN)
US
SeaTac (SEA)
US
FLIGHT TIME
2h 50m - 3h 16m
FLIGHT DISTANCE
1028 miles (1654 km)
3h 0m - 3h 14m
00:25
22:35
1028 miles (1654 km)
March
5 (Show)
106
Flight Schedule
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Airlines with direct flights from Denver (DEN) to SeaTac (SEA)
Weather at SeaTac (SEA)
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Frequently Asked Questions
Do flights operate between DEN and SEA?
Yes. 18 direct flights operate between Denver (DEN) and Seattle (SEA).
Which airlines operate this route?
4 airlines operate this route: United Airlines, Delta Air Lines, Alaska Airlines, Southwest Airlines.
How many flights operate daily?
8-20 flights flights operate daily on this route.
What is the average flight duration?
The average flight duration is 2h 50m - 3h 16m.
Is this route operated year-round?
This route operates with 8-20 flights daily flights.
Route data verified regularly by Triposia Travel Research Team.