starting at $204
starting at $98
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.
A non-stop 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.
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Answers to questions about the route that travelers are most interested in.
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.
The Denver — Seattle route is served by multiple airlines, including Alaska Airlines and Frontier Airlines. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $98, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
starting at $204
starting at $98
Denver — Seattle
01/03/2027
Departure
Direct flight
AS682
starting at $302
Denver — Seattle
08/27/2026
Departure
Direct flight
AS615
starting at $205
There are most likely no direct flights on the Denver — Seattle route
The cheapest one-way flight from Denver to Seattle departs on 08/26/2026, is operated by Frontier Airlines and costs $98
The cheapest roundtrip flight from Denver to Seattle departs on 06/23/2026, is operated by United Airlines and costs $270
Fastest flight from Denver to Seattle takes
There are direct flights on this route 2 days a week: Su and Th
The distance between Denver and Seattle is 1641km (1017 miles). There are 12 direct flights from Denver to Seattle. The time difference between Denver and Seattle is 1h. Flights from Denver begin at 7:00 AM. The latest flight from Denver departs at 8:55 PM
The cheapest flight ticket from Denver to Seattle according to data for the last 48 hours costs $98
Often the best time to buy tickets from Denver to Seattle is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Denver to Seattle can be found flying in these months: July.
The fastest flights from Denver to Seattle start from 3 hours 4 minutes in the air.
The following airlines operate direct flights on the route Denver — Seattle: Alaska Airlines
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
We couldn't find any special offers for flights from Denver to Seattle