A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Seattle to Denver:
Seattle airports overview
Denver airports overview
Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets from Seattle to Denver
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.
Alternative routes
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Cheapest one way flight
$74
Frontier Airlines
1 transfer
5h 40m
02/15/2025
The cheapest one-way flight from Seattle to Denver departs on 02/15/2025, is operated by Frontier Airlines and costs $74
Cheapest round trip flight
$65
Frontier Airlines
Direct flight
5h 55m
02/22/2025
The cheapest roundtrip flight from Seattle to Denver departs on 02/22/2025, is operated by Frontier Airlines and costs $65
The fastest flight
2h 42m
Fastest flight from Seattle to Denver takes 2h 42m
Direct flights
Several times a week
There are direct flights on this route 3 days a week: Mo, Th, and Sa
Earliest flight
5:00 AM
Latest flight
7:55 PM
Direct flights count
135
Distance
1641km
Timezone difference
1h
The distance between Seattle and Denver is 1641km (1017 miles).There are 135 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 7:55 PM.
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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.
Seattle — Denver
SEA — DEN
05/24/2025
Departure date
Direct flight
F93406
Starting at $171
Seattle — Denver
SEA — DEN
02/07/2025
Departure date
Direct flight
AS321
Starting at $266
How much is the cheapest flight ticket from Seattle to Denver?
The cheapest flight ticket from Seattle to Denver according to data for the last 48 hours costs $74
When is the best time to buy air tickets on the route Seattle — Denver?
Often the best time to buy tickets from Seattle to Denver is 2 months before departure.
How long does it take to fly from Seattle to Denver?
The fastest flights from Seattle to Denver start from 2 hours 42 minutes in the air.
Which airline can fly direct from Seattle to Denver?
The following airlines operate direct flights on the route Seattle — Denver: Frontier Airlines, 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 Seattle to Denver
Below you will find a list of airlines operating flights on the Seattle — Denver route and the starting prices for flights of each specific airline on it.
A direct 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.
