How long is the Denver to Seattle flight time?

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS317

    Alaska Airlines

    8:22 AM

    DEN

    3.0h

    Nonstop

    10:22 AM

    SEA

    S M T W T F S
    Search

  2. F91175

    Frontier Airlines

    1:07 PM

    DEN

    3.1h

    Nonstop

    3:12 PM

    SEA

    S M T W T F S
    Search

  3. DL2543

    Delta Air Lines

    6:28 PM

    DEN

    3.2h

    Nonstop

    8:40 PM

    SEA

    S M T W T F S
    Search

  4. DL1731

    Delta Air Lines

    6:45 AM

    DEN

    3.2h

    Nonstop

    8:59 AM

    SEA

    S M T W T F S
    Search

  5. F94345

    Frontier Airlines

    10:29 PM

    DEN

    2.5h

    Nonstop

    12:02 AM

    LAX

    S M T W T F S
    Search

  6. F91177

    Frontier Airlines

    5:47 PM

    LAX

    3.0h

    Nonstop

    8:48 PM

    SEA

    S M T W T F S
    Search
Download App for Current Flight Status

Info of Denver to Seattle Flight Time & Flight Schedules

Flight Time 3 hours 20 minutes
Earliest Flight  05:30⇒07:33
Latest Flight 21:30⇒23:29
Cheapest Flight Price AU$52

Find Cheap Flights with Best Denver to Seattle Flight Time

  • One way
  • Round-trip
      • direct cheapest
        DEN6:42 PM
        3h 6m
        Nonstop
        SEA8:48 PM
        Denver - Seattle|Thu, Oct 15|Delta Air Lines
        AU$110
        AU$358
        69% off
        Search
        69% off
        AU$358
        AU$110
      • DEN6:00 AM
        3h 10m
        Nonstop
        SEA8:10 AM
        Denver - Seattle|Wed, Oct 7|Delta Air Lines
        AU$137
        AU$358
        62% off
        Search
        62% off
        AU$358
        AU$137
      • DEN5:57 PM
        3h 1m
        Nonstop
        SEA7:58 PM
        Denver - Seattle|Wed, Oct 14|Alaska Airlines
        AU$168
        AU$358
        53% off
        Search
        53% off
        AU$358
        AU$168
      • DEN8:22 AM
        3h 2m
        Nonstop
        SEA10:24 AM
        Denver - Seattle|Thu, Oct 1|Alaska Airlines
        AU$168
        Search
        AU$168
      • DEN5:57 PM
        3h 1m
        Nonstop
        SEA7:58 PM
        Denver - Seattle|Thu, Oct 15|Alaska Airlines
        AU$169
        Search
        AU$169
      • DEN6:28 PM
        3h 12m
        Nonstop
        SEA8:40 PM
        Denver - Seattle|Sat, Oct 3|Delta Air Lines
        AU$173
        Search
        AU$173
      • DEN5:57 PM
        3h 1m
        Nonstop
        SEA7:58 PM
        Denver - Seattle|Tue, Oct 13|Alaska Airlines
        AU$211
        Search
        AU$211
      • DEN6:00 AM
        3h 10m
        Nonstop
        SEA8:10 AM
        Denver - Seattle|Mon, Oct 12|Delta Air Lines
        AU$212
        Search
        AU$212
      • DEN6:00 AM
        3h 10m
        Nonstop
        SEA8:10 AM
        Denver - Seattle|Sun, Oct 11|Delta Air Lines
        AU$240
        Search
        AU$240
      • DEN3:30 PM
        2h 59m
        Nonstop
        SEA5:29 PM
        Denver - Seattle|Sat, Oct 3|Alaska Airlines
        AU$282
        Search
        AU$282
      • DEN5:41 PM
        3h
        Nonstop
        SEA7:41 PM
        Denver - Seattle|Fri, Oct 2|Alaska Airlines
        AU$283
        Search
        AU$283
      • DEN6:00 AM
        2h 59m
        Nonstop
        SEA7:59 AM
        Denver - Seattle|Fri, Oct 2|Delta Air Lines
        AU$293
        Search
        AU$293
      • DEN13:00
        2h 59m
        Nonstop
        SEA14:00
        Denver - Seattle|Mon, Sep 6|Normal Airline
        Find more flights
        Find more flights

Denver to Seattle Flight Time of Top Airlines

Frontier Airlines
Frontier Airlines
10.0
Alaska Airlines
Alaska Airlines
9.4
Delta Air Lines
Delta Air Lines
8.3
United Airlines
United Airlines
8.1

FAQ of Denver to Seattle Flight Time

  • Which airlines offer direct flights from Denver to Seattle?

    At the moment, you can catch a nonstop flight from Denver to Seattle with the following airlines, including: Frontier Airlines Alaska Airlines United Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

  • How long does it take to fly from Denver (DEN) to Seattle (SEA) and what is the distance?

    It takes around 3 hours 2 minutes to fly from Denver (DEN) to Seattle (SEA).

  • When is the best time to book flights from Denver to Seattle?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Denver to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

  • How many flights are there per week from Denver to Seattle?

    Based on Trip.com data in the past 4 weeks, there is 72 flight per week flying from Denver to Seattle. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS317 (08:31) United Airlines: S/M/T/W/T/F/S -- UA2271 (08:23)

  • When are flight tickets from Denver (DEN) to Seattle (SEA) the cheapest?

    The cheapest months to fly from Denver to Seattle is October, when demand for travel is lower.

  • Which upcoming date is cheapest to fly from Denver to Seattle on?

    After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Denver to Seattle on September 16, 2026 with Frontier Airlines, with prices starting at AU$43.

  • Which airports can I fly into Seattle from Denver?

    You can arrive at any of the following airports in Seattle: Seattle-Tacoma International Airport (SEA), King County (Boeing Field) International Airport (BFI), and Kenmore Air Harbor Seaplane Base (LKE). Flights from Denver International Airport to Seattle-Tacoma International Airport (DEN-SEA) are by far the most popular option for this route.

  • Is there any time difference between Denver and Seattle?

    The time difference between Seattle and Denver is 1h.

  • How do I change or cancel my ticket from Denver to Seattle?

    Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.