How long is the Denver to Seattle flight time?

Flight info.
Departure
Arrival
Weekly Schedule

  1. F91175

    Frontier Airlines

    1:07 PM

    DEN

    3.1h

    Nonstop

    3:12 PM

    SEA

    S M T W T F S
    Search

  2. DL1731

    Delta Air Lines

    6:45 AM

    DEN

    3.2h

    Nonstop

    8:59 AM

    SEA

    S M T W T F S
    Search

  3. F92341

    Frontier Airlines

    12:54 PM

    DEN

    2.6h

    Nonstop

    2:29 PM

    LAX

    S M T W T F S
    Search

  4. F91177

    Frontier Airlines

    5:38 PM

    LAX

    3.0h

    Nonstop

    8:38 PM

    SEA

    S M T W T F S
    Search

  5. DL1553

    Delta Air Lines

    12:45 PM

    DEN

    1.6h

    Nonstop

    2:18 PM

    SLC

    S M T W T F S
    Search

  6. DL871

    Delta Air Lines

    5:10 PM

    SLC

    2.3h

    Nonstop

    6:30 PM

    SEA

    S M T W T F S
    Search

  7. F93155

    Frontier Airlines

    9:10 AM

    DEN

    2.6h

    Nonstop

    10:47 AM

    LAX

    S M - W T F S
    Search

  8. F91177

    Frontier Airlines

    5:38 PM

    LAX

    3.0h

    Nonstop

    8:38 PM

    SEA

    S M T W T F S
    Search

  9. F94339

    Frontier Airlines

    10:55 PM

    DEN

    2.5h

    Nonstop

    12:23 AM

    LAX

    S M T W T F S
    Search

  10. F91177

    Frontier Airlines

    5:38 PM

    LAX

    3.0h

    Nonstop

    8:38 PM

    SEA

    S M T W T F S
    Search

  11. F94345

    Frontier Airlines

    10:44 PM

    DEN

    2.4h

    Nonstop

    12:10 AM

    LAX

    S - - - - - -
    Search

  12. F91177

    Frontier Airlines

    5:38 PM

    LAX

    3.0h

    Nonstop

    8:38 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 €130

Find Cheap Flights with Best Denver to Seattle Flight Time

  • One way
  • Round-trip
      • direct cheapest
        DEN7:07 AM
        3h 3m
        Nonstop
        SEA9:10 AM
        Denver - Seattle|Tue, Oct 20|Alaska Airlines
        €136
        €337
        60% off
        Search
        60% off
        €337
        €136
      • DEN5:57 PM
        3h 1m
        Nonstop
        SEA7:58 PM
        Denver - Seattle|Thu, Oct 15|Alaska Airlines
        €139
        €337
        59% off
        Search
        59% off
        €337
        €139
      • DEN6:00 AM
        3h 10m
        Nonstop
        SEA8:10 AM
        Denver - Seattle|Fri, Oct 16|Delta Air Lines
        €154
        €337
        54% off
        Search
        54% off
        €337
        €154
      • DEN6:00 AM
        3h 10m
        Nonstop
        SEA8:10 AM
        Denver - Seattle|Sun, Oct 11|Delta Air Lines
        €162
        Search
        €162
      • DEN6:00 AM
        3h 10m
        Nonstop
        SEA8:10 AM
        Denver - Seattle|Sun, Oct 25|Delta Air Lines
        €162
        Search
        €162
      • DEN5:57 PM
        3h 1m
        Nonstop
        SEA7:58 PM
        Denver - Seattle|Sat, Oct 24|Alaska Airlines
        €179
        Search
        €179
      • DEN6:00 AM
        3h 10m
        Nonstop
        SEA8:10 AM
        Denver - Seattle|Sat, Oct 24|Delta Air Lines
        €185
        Search
        €185
      • DEN6:42 PM
        3h 6m
        Nonstop
        SEA8:48 PM
        Denver - Seattle|Thu, Oct 15|Delta Air Lines
        €216
        Search
        €216
      • DEN5:57 PM
        3h 1m
        Nonstop
        SEA7:58 PM
        Denver - Seattle|Tue, Oct 13|Alaska Airlines
        €223
        Search
        €223
      • DEN5:57 PM
        3h 1m
        Nonstop
        SEA7:58 PM
        Denver - Seattle|Wed, Oct 14|Alaska Airlines
        €228
        Search
        €228
      • DEN6:00 AM
        3h 10m
        Nonstop
        SEA8:10 AM
        Denver - Seattle|Mon, Oct 12|Delta Air Lines
        €231
        Search
        €231
      • DEN7:07 AM
        3h 3m
        Nonstop
        SEA9:10 AM
        Denver - Seattle|Sun, Oct 25|Alaska Airlines
        €246
        Search
        €246
      • DEN13:00
        3h 3m
        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 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 17 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 59 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 (07:29) Delta Air Lines: S/M/T/W/T/F/S -- DL1731 (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 October flight calendar, it's currently cheapest to fly from Denver to Seattle on October 24, 2026 with Frontier Airlines, with prices starting at €21.

  • 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.