Airlines operating on route
Starting at $101
Starting at $125
Helping travelers to find the best flight offers
Starting at $101
Starting at $125
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Denver to Seattle:
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Denver — Seattle
06/26/2025
Departure date
Direct flight
HA4866
Starting at $238
Denver — Seattle
07/17/2025
Departure date
Direct flight
AS615
Starting at $118
Denver — Seattle
07/20/2025
Departure date
Direct flight
F94545
Starting at $164
Denver — Seattle
07/31/2025
Departure date
Direct flight
AS643
Starting at $113
Unable to find information about the schedule of direct flights from
A direct flight is the most convenient and comfortable way to fly from Denver to Seattle, despite the fact that sometimes flights with transfers can cost significantly less.
Below you will find a list of airlines operating flights on the Denver — Seattle route and the starting prices for flights of each specific airline on it.
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Denver to Seattle. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
The cheapest flight ticket from Denver to Seattle according to data for the last 48 hours costs $66
Often the best time to buy tickets from Denver to Seattle is 2 months before departure.
The fastest flights from Denver to Seattle start from 2 hours 50 minutes in the air.
The following airlines operate direct flights on the route Denver — Seattle: Hawaiian Airlines, Alaska Airlines, Frontier Airlines
The cheapest one-way flight from Denver to Seattle departs on 07/20/2025, is operated by Frontier Airlines and costs $66
The cheapest roundtrip flight from Denver to Seattle departs on 07/08/2025, is operated by Alaska Airlines and costs $126
Fastest flight from Denver to Seattle takes 2h 50m
There are direct flights on this route 3 days a week: Su, Th, and Fr
The distance between Denver and Seattle is 1641km (1017 miles). There are 222 direct flights from Denver to Seattle. The time difference between Denver and Seattle is 1h . Flights from Denver begin at 6:00 AM. The latest flight from Denver departs at 10:50 PM.
We couldn't find any special offers for flights from Denver to Seattle
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Denver to Seattle
