Direct flights from Denver to Seattle

  • Usually $232 round trip
  • ~17 flights a day
  • 7 airlines

🔔 Track this route

We check DEN → SEA every day and email you when the price drops.

Free · one-click unsubscribe

When the nonstops leave

Typical weekly schedule · 116 flights per week (~17 per day) · Updated 102d ago

Morning before noon 42 a week
6:02 AM 8:40 AM 9:00 AM
6:30 AM
7:45 AM
11:21 AM
Afternoon noon – 6 PM 43 a week
12:20 PM 12:55 PM 1:34 PMTue 2:57 PM 4:36 PM
12:14 PM
1:15 PM
Evening after 6 PM 31 a week
6:15 PM 7:21 PM
6:41 PM 7:30 PMMon
7:10 PM4 days a week 9:10 PM5 days a week
Alaska Airlines
Delta Air Lines
Frontier Airlines
United Airlines

More nonstops from Denver

DEN → SLC Salt Lake City 7 airlines DEN → CVG Cincinnati 5 airlines DEN → PHL Philadelphia 5 airlines DEN → PHX Phoenix 5 airlines DEN → ATL Atlanta 4 airlines DEN → DSM Des Moines 4 airlines DEN → ICT Wichita 4 airlines DEN → IND Indianapolis 4 airlines SEA → DEN The return trip DEN All nonstops from Denver SEA All nonstops from Seattle

Frequently asked questions

Is there a direct flight from Denver to Seattle?

Yes. Alaska Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines and American Airlines fly nonstop from Denver (DEN) to Seattle (SEA), several times daily. The flight takes about 2h 37m and covers 1,022 miles (1,645 km). Schedule data from 8 July 2026.

Which airlines fly direct from Denver to Seattle?

Alaska Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines, American Airlines operate nonstop flights from Denver to Seattle.

How long is the flight from Denver to Seattle?

The nonstop flight from Denver to Seattle takes ~2h 37m (approximately 1645 km).

How often do direct flights operate from Denver to Seattle?

Nonstop flights from Denver to Seattle operate several times daily — 116 flights per week (~17 per day).

What days of the week are there direct flights from Denver to Seattle?

Direct flights from Denver to Seattle operate every day of the week. Alaska Airlines flies daily, Delta Air Lines flies daily, Frontier Airlines flies daily, and United Airlines flies daily.