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Denver to Seattle Flight Time

How long is the Denver to Seattle flight time?

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS493

    Alaska Airlines

    3:25 PM

    DEN

    3.0h

    Nonstop

    5:27 PM

    SEA

    S M - - - - S
    Search

  2. AS682

    Alaska Airlines

    12:00 PM

    DEN

    3.0h

    Nonstop

    1:59 PM

    SEA

    S M T W T F S
    Search

  3. AS317

    Alaska Airlines

    7:03 AM

    DEN

    3.1h

    Nonstop

    9:07 AM

    SEA

    S M T W T F S
    Search

  4. F91175

    Frontier Airlines

    1:07 PM

    DEN

    3.1h

    Nonstop

    3:12 PM

    SEA

    S - T - T F -
    Search

  5. DL1731

    Delta Air Lines

    6:45 AM

    DEN

    3.2h

    Nonstop

    8:59 AM

    SEA

    S M T W T F S
    Search

  6. DL2544

    Delta Air Lines

    5:40 AM

    DEN

    1.6h

    Nonstop

    7:15 AM

    SLC

    S M T W T - S
    Search

  7. DL2874

    Delta Air Lines

    7:50 AM

    SLC

    2.6h

    Nonstop

    9:24 AM

    SEA

    S M T W T F S
    Search

  8. F92341

    Frontier Airlines

    2:22 PM

    DEN

    2.5h

    Nonstop

    3:55 PM

    LAX

    S M T W T F S
    Search

  9. F91177

    Frontier Airlines

    5:02 PM

    LAX

    3.0h

    Nonstop

    8:02 PM

    SEA

    S M T W T F S
    Search

  10. F9777

    Frontier Airlines

    10:44 PM

    DEN

    2.0h

    Nonstop

    11:43 PM

    LAS

    S M T W T F S
    Search

  11. F92407

    Frontier Airlines

    6:50 AM

    LAS

    2.9h

    Nonstop

    9:45 AM

    SEA

    S - T W T F S
    Search

  12. F94339

    Frontier Airlines

    10:55 PM

    DEN

    2.5h

    Nonstop

    12:23 AM

    LAX

    S M T W T F S
    Search

  13. F91177

    Frontier Airlines

    5:02 PM

    LAX

    3.0h

    Nonstop

    8:02 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 THB 3,565

Find Cheap Flights with Best Denver to Seattle Flight Time

  • One way
  • Round-trip
      • Cheapest nonstop
        DEN6:00 AM
        3h 12m
        Nonstop
        SEA8:12 AM
        Denver - Seattle|Sun, Nov 22|Delta Air Lines
        THB 2,620
        THB 11,820
        78% off
        Search
        78% off
        THB 11,820
        THB 2,620
      • DEN1:55 PM
        3h 13m
        Nonstop
        SEA4:08 PM
        Denver - Seattle|Sat, Nov 7|Delta Air Lines
        THB 5,270
        THB 11,820
        55% off
        Search
        55% off
        THB 11,820
        THB 5,270
      • DEN6:35 PM
        3h 7m
        Nonstop
        SEA8:42 PM
        Denver - Seattle|Mon, Nov 23|Delta Air Lines
        THB 5,500
        THB 11,820
        53% off
        Search
        53% off
        THB 11,820
        THB 5,500
      • DEN6:00 AM
        3h 10m
        Nonstop
        SEA8:10 AM
        Denver - Seattle|Fri, Nov 6|Delta Air Lines
        THB 6,560
        Search
        THB 6,560
      • DEN6:37 PM
        3h 4m
        Nonstop
        SEA8:41 PM
        Denver - Seattle|Wed, Nov 4|Alaska Airlines
        THB 7,150
        Search
        THB 7,150
      • DEN7:03 AM
        3h 4m
        Nonstop
        SEA9:07 AM
        Denver - Seattle|Mon, Nov 9|Alaska Airlines
        THB 7,180
        Search
        THB 7,180
      • DEN7:49 PM
        3h 9m
        Nonstop
        SEA9:58 PM
        Denver - Seattle|Sun, Nov 22|Alaska Airlines
        THB 7,450
        Search
        THB 7,450
      • DEN7:03 AM
        3h 4m
        Nonstop
        SEA9:07 AM
        Denver - Seattle|Sat, Nov 7|Alaska Airlines
        THB 8,740
        Search
        THB 8,740
      • DEN6:42 PM
        3h 6m
        Nonstop
        SEA8:48 PM
        Denver - Seattle|Mon, Nov 2|Delta Air Lines
        THB 9,060
        Search
        THB 9,060
      • DEN6:15 PM
        6h 42m
        1 stops
        SEA11:57 PM
        Denver - Seattle|Mon, Nov 9|Delta Air Lines
        THB 2,680
        Search
        THB 2,680
      • DEN7:09 AM
        9h 51m
        1 stops
        SEA4:00 PM
        Denver - Seattle|Sat, Nov 7|American Airlines
        THB 9,270
        Search
        THB 9,270
      • DEN7:09 AM
        9h 51m
        1 stops
        SEA4:00 PM
        Denver - Seattle|Mon, Nov 2|American Airlines
        THB 9,450
        Search
        THB 9,450
      • DEN13:00
        9h 51m
        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: Alaska Airlines Frontier 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 18 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 51 flight per week flying from Denver to Seattle. You can check the weekly schedule for popular airlines on this route below: Frontier Airlines: S/-/T/-/T/F/- -- F91175 (13:11) Delta Air Lines: S/M/T/W/T/F/S -- DL1731 (06:09)

  • 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 30, 2026 with Frontier Airlines, with prices starting at THB 1,000.

  • 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.