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Denver International Airport to Seattle Tacoma Intl. Airport flight

Search for flights from Denver to Seattle and check out affordable one-way and round-trip options.

      • Cheapest nonstop
        DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Wed, Aug 26 | Frontier Airlines
        SEA 7:06 PM
        2h 52m
        Nonstop
        DEN 10:58 PM
        Seattle - Denver | Fri, Aug 28 | Frontier Airlines
        JPY 12,690 JPY 26,580
        52% off
        52% off
        JPY 26,580 JPY 12,690
      • DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Sun, Aug 23 | Frontier Airlines
        SEA 7:06 PM
        2h 52m
        Nonstop
        DEN 10:58 PM
        Seattle - Denver | Sat, Aug 29 | Frontier Airlines
        JPY 14,100 JPY 26,580
        47% off
        47% off
        JPY 26,580 JPY 14,100
      • DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Mon, Aug 24 | Frontier Airlines
        SEA 7:06 PM
        2h 52m
        Nonstop
        DEN 10:58 PM
        Seattle - Denver | Wed, Aug 26 | Frontier Airlines
        JPY 14,100 JPY 26,580
        47% off
        47% off
        JPY 26,580 JPY 14,100
      • DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Wed, Aug 19 | Frontier Airlines
        SEA 2:37 PM
        2h 56m
        Nonstop
        DEN 6:33 PM
        Seattle - Denver | Tue, Aug 25 | Frontier Airlines
        JPY 14,130
        47% off
        JPY 26,580 JPY 14,130
      • DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Wed, Sep 2 | Frontier Airlines
        SEA 2:37 PM
        2h 56m
        Nonstop
        DEN 6:33 PM
        Seattle - Denver | Sat, Sep 5 | Frontier Airlines
        JPY 15,040
        43% off
        JPY 26,580 JPY 15,040
      • DEN 7:00 AM
        3h 4m
        Nonstop
        SEA 9:04 AM
        Denver - Seattle | Fri, Aug 14 | Frontier Airlines
        SEA 7:06 PM
        2h 52m
        Nonstop
        DEN 10:58 PM
        Seattle - Denver | Tue, Aug 18 | Frontier Airlines
        JPY 18,130
        32% off
        JPY 26,580 JPY 18,130
      • DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Fri, Aug 21 | Frontier Airlines
        SEA 7:06 PM
        2h 52m
        Nonstop
        DEN 10:58 PM
        Seattle - Denver | Tue, Aug 25 | Frontier Airlines
        JPY 18,150
        32% off
        JPY 26,580 JPY 18,150
      • DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Sun, Aug 30 | Frontier Airlines
        SEA 7:07 PM
        2h 52m
        Nonstop
        DEN 10:59 PM
        Seattle - Denver | Tue, Sep 1 | Frontier Airlines
        JPY 19,120
        28% off
        JPY 26,580 JPY 19,120
      • DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Sat, Aug 22 | Frontier Airlines
        SEA 1:35 PM
        2h 59m
        Nonstop
        DEN 5:34 PM
        Seattle - Denver | Mon, Aug 24 | Frontier Airlines
        JPY 19,350
        27% off
        JPY 26,580 JPY 19,350
      • DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Tue, Sep 8 | Frontier Airlines
        SEA 4:27 PM
        2h 54m
        Nonstop
        DEN 8:21 PM
        Seattle - Denver | Mon, Sep 14 | Frontier Airlines
        JPY 21,260
        20% off
        JPY 26,580 JPY 21,260
      • DEN 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Denver - Seattle | Tue, Aug 4 | Normal Airline
        SEA 3:00 PM
        6h
        Nonstop
        DEN 4:00 PM
        Seattle - Denver | Thu, Aug 6 | Normal Airline
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      • Cheapest nonstop
        DEN 10:29 PM
        2h 58m
        Nonstop
        SEA 12:27 AM
        Denver - Seattle | Wed, Sep 30 | Frontier Airlines
        JPY 3,580 JPY 13,720
        74% off
        74% off
        JPY 13,720 JPY 3,580
      • DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Mon, Aug 24 | Frontier Airlines
        JPY 7,070 JPY 13,720
        48% off
        48% off
        JPY 13,720 JPY 7,070
      • DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Sun, Aug 30 | Frontier Airlines
        JPY 7,070 JPY 13,720
        48% off
        48% off
        JPY 13,720 JPY 7,070
      • DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Sun, Aug 23 | Frontier Airlines
        JPY 7,110
        48% off
        JPY 13,720 JPY 7,110
      • DEN 11:05 AM
        3h 17m
        Nonstop
        SEA 1:22 PM
        Denver - Seattle | Tue, Aug 25 | Frontier Airlines
        JPY 7,250
        47% off
        JPY 13,720 JPY 7,250
      • DEN 7:30 PM
        3h
        Nonstop
        SEA 9:30 PM
        Denver - Seattle | Thu, Aug 27 | Alaska Airlines
        JPY 9,540
        30% off
        JPY 13,720 JPY 9,540
      • DEN 6:43 PM
        3h 2m
        Nonstop
        SEA 8:45 PM
        Denver - Seattle | Thu, Aug 27 | Delta Air Lines
        JPY 9,940
        28% off
        JPY 13,720 JPY 9,940
      • DEN 10:29 PM
        2h 58m
        Nonstop
        SEA 12:27 AM
        Denver - Seattle | Wed, Sep 9 | Frontier Airlines
        JPY 10,290
        25% off
        JPY 13,720 JPY 10,290
      • DEN 1:07 PM
        3h 1m
        Nonstop
        SEA 3:08 PM
        Denver - Seattle | Tue, Sep 15 | Frontier Airlines
        JPY 10,500
        23% off
        JPY 13,720 JPY 10,500
      • DEN 7:15 AM
        3h 4m
        Nonstop
        SEA 9:19 AM
        Denver - Seattle | Sat, Aug 29 | Frontier Airlines
        JPY 10,970
        20% off
        JPY 13,720 JPY 10,970
      • DEN 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Denver - Seattle | Tue, Aug 4 | Normal Airline
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Trip.com Price Insights: Flights from Denver International Airport to Seattle Tacoma Intl. Airport

What is the cheapest month for one-way flights from Denver International Airport to Seattle Tacoma Intl. Airport?

Data is based on average one-way flight prices from Denver International Airport to Seattle Tacoma Intl. Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Denver International Airport to Seattle Tacoma Intl. Airport, the best time to buy is in April, with an average price of JPY 18,980. You’ll want to avoid June, when the average price can reach as high as JPY 29,970.

JPY 29,970
JPY 24,475
JPY 18,980
JPY 13,485
    Cheapest
  • JPY 24,880
    Jul
  • JPY 20,280
    Aug
  • JPY 25,020
    Sep
  • JPY 21,500
    Oct
  • JPY 20,940
    Nov
  • JPY 23,450
    Dec
  • JPY 21,190
    Jan
  • JPY 22,530
    Feb
  • JPY 23,440
    Mar
  • JPY 18,980
    Apr
  • JPY 25,150
    May
  • JPY 29,970
    Jun

What is the cheapest day of the week to fly from Denver International Airport to Seattle Tacoma Intl. Airport?

The data is based on the past 12 months and shows the average ticket prices from Denver International Airport to Seattle Tacoma Intl. Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Denver International Airport to Seattle Tacoma Intl. Airport is Tuesday, with average fares typically lower than other days. You’ll want to avoid flying on Sunday, as ticket prices are usually the highest that day.

JPY 26,590
JPY 23,025
JPY 19,460
JPY 15,895
  • JPY 23,240
    Mon
  • JPY 19,460
    Tue
  • JPY 19,830
    Wed
  • JPY 24,530
    Thu
  • JPY 24,680
    Fri
  • JPY 24,630
    Sat
  • JPY 26,590
    Sun

Selected Airlines from Denver International Airport to Seattle Tacoma Intl. Airport

See which airlines fly from Denver to Seattle. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From JPY 3,580
Alaska Airlines
From JPY 9,540
Delta Air Lines
From JPY 9,940
United Airlines
From JPY 16,270
American Airlines
From JPY 20,250
Hahn Air
From JPY 22,010
Sun Country Airlines
From JPY 36,580
Qatar Airways
From JPY 73,670

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Flight Schedule from Denver International Airport to Seattle Tacoma Intl. Airport

Check the schedule for flights from Denver to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F91175

    Denver International Airport

    1:07 PM

    DEN

    3h 1m

    3:08 PM

    SEA

    S M T W T F S
    Search

  2. AS615

    Denver International Airport

    7:08 PM

    DEN

    3h

    9:08 PM

    SEA

    - - T - - - -
    Search

  3. DL2543

    Denver International Airport

    6:39 PM

    DEN

    3h 2m

    8:41 PM

    SEA

    S M T W T F S
    Search

  4. F94545

    Denver International Airport

    7:45 AM

    DEN

    3h 6m

    9:51 AM

    SEA

    S M T W T F S
    Search

  5. F94345

    Denver International Airport

    10:29 PM

    DEN

    2h 34m

    Nonstop

    12:03 AM

    LAX

    S M T W T F S
    Search

  6. F91177

    Los Angeles Intl. Airport

    3:35 PM

    LAX

    3h 1m

    Nonstop

    6:36 PM

    SEA

    S M T W T F S
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Denver International Airport to Seattle Tacoma Intl. Airport Flights Info

Flight distance 1,646.85 km
Cheapest one-way ticket price JPY 3,580
Cheapest return ticket price JPY 12,690

FAQs for Denver International Airport to Seattle Tacoma Intl. Airport Flights

  • How long is a flight from Denver International Airport to Seattle Tacoma Intl. Airport?

    It takes around 3 hours 17 minutes to fly from Denver International Airport (den) to Seattle Tacoma Intl. Airport (sea).
  • There are around 17 daily flights from Denver International Airport (DEN) to Seattle Tacoma Intl. Airport (SEA).
  • Tickets cost around JPY 22,030 in September, making it the cheapest month to book. Denver International Airport (DEN) to Seattle Tacoma Intl. Airport (SEA) is a popular route, so don't forget to book your tickets in advance.
  • The route from Denver International Airport (DEN) to Seattle Tacoma Intl. Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around JPY 29,680 in August, the most expensive month to book this route.
  • The earliest flight departs from Denver International Airport (DEN) at 05:30 and arrives in Seattle Tacoma Intl. Airport (SEA) at 07:33.
  • The latest flight departs from Denver International Airport (DEN) at 21:30 and arrives in Seattle Tacoma Intl. Airport (SEA) at 23:29.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
  • Frontier Airlines is a very popular airline operating an average of 4518 flights per month.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.