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Search Cheap Flights from Denver to Seattle

Book your flights from Denver to Seattle and on airfares. Surrounded with the beautiful Cascade Mountains and Olympic mountains, Seattle is a major seaport in the US state of Washington. Decorated with beautiful museums, heritage architecture and vibrant markets, Seattle also offers the much needed dose of adventure. Visit the Discovery Park to enjoy nature trails and beautiful beaches and also appreciate magnificent architecture of Seattle City Hall.

There are numerous airlines that operate flights from Denver to Seattle including Frontier Airlines, US Airways and Super Saver Fare. It takes about two hours and fifty minutes to cover a distance of about 1021 miles on flights between Denver and Seattle excluding the layover time. While the carriers offer plenty of in-flight entertainment options, having a good company doesn’t hurt either.

Denver to Seattle Flight Route Facts

  • When does the earliest flight depart DEN?

    7:00AM - 8:00AM

  • When does the last flight depart SEA?

    10:00PM - 11:00PM

  • Which is the busiest month to travel from Denver to Seattle?


  • Which is the least-busy month to travel from DEN to SEA?


  • What is the travel distance between Denver and Seattle?

    1,023 Miles

  • What are the top airlines offering flights from DEN to SEA?

    Frontier Airlines, United Airlines, Alaska Airlines

  • How many weekly flights operate between DEN and SEA?

    There are 404 weekly flights between DEN and SEA.

  • How many daily flights fly between Denver and Seattle?

    There are 53 daily flights between DEN and SEA

  • Which is the busiest day in terms of passengers flying from DEN to SEA?


  • What percentage of Denver to Seattle travelers booked First or Business Class?

    6% of Seattle travelers booked First or Business Class.

  • What percentage of Denver to Seattle travelers traveled with their kids under 14?

    7% traveled with their kids under 14.

  • What percentage of Denver to Seattle travelers were millennials?

    40% of Seattle travelers were millenials.

  • What percentage of Denver to Seattle travelers were female?

    48% of Seattle travelers were female.

  • What percentage of Denver to Seattle travelers were over the age of 60?

    15% of Seattle travelers were over the age of 60.

  • What was the average flight duration of flights from Denver to Seattle?

    16.04 Hours

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