Compare airlines, prices, and flight durations for your trip
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 Seattle to Denver. 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 Seattle to Denver, despite the fact that sometimes flights with transfers can cost significantly less.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Seattle to Denver:
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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.
Unable to find information about the schedule of direct flights from
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 Seattle to Denver
Seattle — Denver
01/10/2026
Departure
Direct flight
UA757
starting at $155
Seattle — Denver
01/13/2026
Departure
Direct flight
UA1505
starting at $369
Seattle — Denver
02/05/2026
Departure
Direct flight
F93406
starting at $29
Seattle — Denver
10/19/2026
Departure
Direct flight
AS682
starting at $190
starting at $155
starting at $29
starting at $66
starting at $164
starting at $1,356
The Seattle — Denver route is served by a wide range of airlines: 5 in total, including United Airlines, Frontier Airlines, Alaska Airlines, Hawaiian Airlines, and Air Canada. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $29. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
The cheapest flight ticket from Seattle to Denver according to data for the last 48 hours costs $29
Often the best time to buy tickets from Seattle to Denver is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Seattle to Denver can be found flying in these months: January.
The fastest flights from Seattle to Denver start from 2 hours 41 minutes in the air.
The following airlines operate direct flights on the route Seattle — Denver: United Airlines, Frontier Airlines, Alaska Airlines
The cheapest one-way flight from Seattle to Denver departs on 02/05/2026, is operated by Frontier Airlines and costs $29
There is no information about the cheapest roundtrip flight from Seattle to Denver
Fastest flight from Seattle to Denver takes 2h 41m
There are direct flights on this route 4 days a week: Mo, Tu, Th, and Sa
The distance between Seattle and Denver is 1641km (1017 miles). There are 142 direct flights from Seattle to Denver. The time difference between Seattle and Denver is 1h. Flights from Seattle begin at 5:00 AM. The latest flight from Seattle departs at 8:14 PM
We couldn't find any special offers for flights from Seattle to Denver