starting at $126
starting at $131
starting at $114
starting at $86
Compare airlines, prices, and flight durations for your trip
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Denver to Seattle:
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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.
Looking for cheap flights from Denver to Seattle? Look no further! Our air ticket search website offers unbeatable deals on flights between these two vibrant cities. Whether you're planning a business trip or a weekend getaway, we've got you covered. With a simple search, you can compare prices from multiple airlines to find the best fares available. Say goodbye to the hassle of multiple websites – we've gathered all the information you need in one place. Our user-friendly interface allows you to filter results based on your preferences, making it easy to find the perfect flight. By booking with us, you can save both time and money. Don't miss out on exploring the stunning landscapes of Seattle or experiencing the thriving arts and culture scene. Start your adventure today by finding affordable air tickets from Denver to Seattle on our website. Don't wait, book now and let us take care of the rest!
The route Denver — Seattle is served by many carriers — 4 in total, including United Airlines, Southwest Airlines, Alaska Airlines, and Frontier Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $86) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
starting at $126
starting at $131
starting at $114
starting at $86
Looking for direct flights from Denver to Seattle? Look no further! You can fly directly from Denver, United States to Seattle, United States. Hop on board and enjoy a convenient and time-saving journey. With numerous reputable airlines operating this route, finding a direct flight is a breeze. Choose from a range of options and find the perfect departure time to suit your schedule. Whether you're heading to Seattle for business or pleasure, a direct flight offers the quickest and most efficient way to reach your destination. If, however, direct flights are not available, don't worry! You can still easily reach Seattle with a short layover. Consider alternative routes with transfers in major cities like San Francisco, Los Angeles, or Salt Lake City. These routes provide a great opportunity to explore more of the United States during your journey. Start your search now and find the best airfare options for your trip from Denver to Seattle. Happy travels!
Denver — Seattle
02/02/2026
Departure
Direct flight
UA2271
starting at $126
Denver — Seattle
02/14/2026
Departure
Direct flight
WN1601
starting at $131
Denver — Seattle
02/16/2026
Departure
Direct flight
UA2013
starting at $261
Denver — Seattle
11/27/2026
Departure
Direct flight
AS643
starting at $173
Denver — Seattle
12/13/2026
Departure
Direct flight
AS682
starting at $138
Denver — Seattle
12/17/2026
Departure
Direct flight
AS609
starting at $115
Unable to find information about the schedule of direct flights from
We couldn't find any special offers for flights from Denver to Seattle
The cheapest one-way flight from Denver to Seattle departs on 02/16/2026, is operated by Frontier Airlines and costs $86
The cheapest roundtrip flight from Denver to Seattle departs on 05/01/2026, is operated by Frontier Airlines and costs $86
Fastest flight from Denver to Seattle takes 3h 1m
There are direct flights on this route 5 days a week: Su, Mo, Th, Fr, and Sa
The distance between Denver and Seattle is 1641km (1017 miles). There are 149 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 10:45 PM
The cheapest flight ticket from Denver to Seattle according to data for the last 48 hours costs $86
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: February, November, December.
The fastest flights from Denver to Seattle start from 3 hours 1 minute in the air.
The following airlines operate direct flights on the route Denver — Seattle: United Airlines, Southwest Airlines, Alaska Airlines
In different months, ticket prices from Denver to Seattle vary: minimum — $86 (February 2026), maximum — $138 (December 2026). Typically, the flight costs $113–$252.