How long is the Denver to Seattle flight time?

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA1482

    United Airlines

    6:00 AM

    DEN

    2.9h

    Nonstop

    7:55 AM

    SEA

    S M T W T F S
    Search

  2. AS493

    Alaska Airlines

    9:05 PM

    DEN

    3.1h

    Nonstop

    11:09 PM

    SEA

    - - - W - - -
    Search

  3. AS643

    Alaska Airlines

    6:02 AM

    DEN

    3.0h

    Nonstop

    8:05 AM

    SEA

    S M T W T F S
    Search

  4. F94545

    Frontier Airlines

    7:15 AM

    DEN

    3.1h

    Nonstop

    9:19 AM

    SEA

    S M T W T F S
    Search

  5. DL1358

    Delta Air Lines

    1:15 PM

    DEN

    3.1h

    Nonstop

    3:23 PM

    SEA

    S M T W T F S
    Search

  6. F91175

    Frontier Airlines

    11:05 AM

    DEN

    3.3h

    Nonstop

    1:22 PM

    SEA

    S M T W T F S
    Search

  7. F93155

    Frontier Airlines

    7:00 AM

    DEN

    2.5h

    Nonstop

    8:30 AM

    LAX

    S M T W T F S
    Search

  8. F91177

    Frontier Airlines

    3:04 PM

    LAX

    2.8h

    Nonstop

    5:51 PM

    SEA

    S M T W T F S
    Search

  9. F9777

    Frontier Airlines

    10:29 PM

    DEN

    2.0h

    Nonstop

    11:27 PM

    LAS

    S M T W T F S
    Search

  10. F92407

    Frontier Airlines

    8:13 AM

    LAS

    2.9h

    Nonstop

    11:04 AM

    SEA

    S M T W T F S
    Search

  11. F91261

    Frontier Airlines

    10:29 PM

    DEN

    2.3h

    Nonstop

    11:49 PM

    ONT

    S M T W T F S
    Search

  12. F92275

    Frontier Airlines

    4:03 PM

    ONT

    2.9h

    Nonstop

    6:57 PM

    SEA

    S M T W T F S
    Search
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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 £27

Find Cheap Flights with Best Denver to Seattle Flight Time

  • One way
  • Round-trip
      • direct cheapest
        DEN6:02 AM
        3h 3m
        Nonstop
        SEA8:05 AM
        Denver - Seattle|Sat, Jul 18|Alaska Airlines
        £89
        £204
        56% off
        Search
        56% off
        £204
        £89
      • DEN6:39 PM
        3h 2m
        Nonstop
        SEA8:41 PM
        Denver - Seattle|Tue, Jul 21|Delta Air Lines
        £91
        £204
        55% off
        Search
        55% off
        £204
        £91
      • DEN6:30 AM
        2h 56m
        Nonstop
        SEA8:26 AM
        Denver - Seattle|Wed, Jul 15|Delta Air Lines
        £91
        £204
        55% off
        Search
        55% off
        £204
        £91
      • DEN6:30 AM
        2h 56m
        Nonstop
        SEA8:26 AM
        Denver - Seattle|Sat, Jul 25|Delta Air Lines
        £91
        Search
        £91
      • DEN6:02 AM
        3h 3m
        Nonstop
        SEA8:05 AM
        Denver - Seattle|Sat, Jul 25|Alaska Airlines
        £109
        Search
        £109
      • DEN6:02 AM
        3h 3m
        Nonstop
        SEA8:05 AM
        Denver - Seattle|Tue, Jul 14|Alaska Airlines
        £115
        Search
        £115
      • DEN6:39 PM
        3h 2m
        Nonstop
        SEA8:41 PM
        Denver - Seattle|Tue, Jul 14|Delta Air Lines
        £117
        Search
        £117
      • DEN6:39 PM
        3h 2m
        Nonstop
        SEA8:41 PM
        Denver - Seattle|Wed, Jul 22|Delta Air Lines
        £118
        Search
        £118
      • DEN6:02 AM
        3h 3m
        Nonstop
        SEA8:05 AM
        Denver - Seattle|Mon, Jul 20|Alaska Airlines
        £132
        Search
        £132
      • DEN6:02 AM
        3h 3m
        Nonstop
        SEA8:05 AM
        Denver - Seattle|Sat, Jul 11|Alaska Airlines
        £188
        Search
        £188
      • DEN4:36 PM
        3h 2m
        Nonstop
        SEA6:38 PM
        Denver - Seattle|Wed, Jul 15|Alaska Airlines
        £189
        Search
        £189
      • DEN8:40 AM
        3h 2m
        Nonstop
        SEA10:42 AM
        Denver - Seattle|Tue, Jul 7|Alaska Airlines
        £191
        Search
        £191
      • DEN13:00
        3h 2m
        Nonstop
        SEA14:00
        Denver - Seattle|Mon, Sep 6|Normal Airline
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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 United Airlines Alaska Airlines 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 3 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 93 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 -- AS643 (06:18)

  • 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 June flight calendar, it's currently cheapest to fly from Denver to Seattle on June 29, 2026 with Frontier Airlines, with prices starting at £130.

  • Which airports can I fly to for Seattle from Denver?

    You can land at any one of the following hubs in Seattle, with Denver International Airport to Seattle-Tacoma International Airport (DEN-SEA) is by far the most common option on this route: Seattle-Tacoma International Airport (SEA) King County (Boeing Field) International Airport (BFI) Kenmore Air Harbor Seaplane Base (LKE).

  • 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.