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Flights from Denver to Seattle
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Book flight tickets from Denver to Seattle starting at ₹ 1,644

Discover our range of affordable one-way and round-trip flights from Denver to Seattle and kick-start your next adventure today!

  • One way
  • Round-trip
      • Cheapest nonstop
        DEN13:30
        3h 5m
        Nonstop
        SEA15:35
        Thu, Jan 16|Denver - Seattle|Frontier Airlines
        ₹ 1,644₹ 4,529
        64% OFF
        64% OFF
        ₹ 4,529₹ 1,644

        Choose Frontier Airlines flights from Denver to Seattle. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Thu, Jan 16, arriving at Seattle-Tacoma International Airport. One-way ticket prices start from ₹ 1,644 including taxes and charges.

      • DEN12:20
        3h 5m
        Nonstop
        SEA14:25
        Fri, Jan 17|Denver - Seattle|Frontier Airlines
        ₹ 1,644₹ 4,529
        64% OFF
        64% OFF
        ₹ 4,529₹ 1,644

        Choose Frontier Airlines flights from Denver to Seattle. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Fri, Jan 17, arriving at Seattle-Tacoma International Airport. One-way ticket prices start from ₹ 1,644 including taxes and charges.

      • DEN13:40
        3h 5m
        Nonstop
        SEA15:45
        Sun, Jan 19|Denver - Seattle|Frontier Airlines
        ₹ 1,679₹ 4,529
        63% OFF
        63% OFF
        ₹ 4,529₹ 1,679

        Choose Frontier Airlines flights from Denver to Seattle. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Sun, Jan 19, arriving at Seattle-Tacoma International Airport. One-way ticket prices start from ₹ 1,679 including taxes and charges.

      • DEN12:20
        3h 5m
        Nonstop
        SEA14:25
        Fri, Jan 24|Denver - Seattle|Frontier Airlines
        ₹ 1,679
        ₹ 1,679

        Choose Frontier Airlines flights from Denver to Seattle. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Fri, Jan 24, arriving at Seattle-Tacoma International Airport. One-way ticket prices start from ₹ 1,679 including taxes and charges.

      • DEN13:30
        3h 5m
        Nonstop
        SEA15:35
        Thu, Jan 30|Denver - Seattle|Frontier Airlines
        ₹ 1,690
        ₹ 1,690

        Choose Frontier Airlines flights from Denver to Seattle. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Thu, Jan 30, arriving at Seattle-Tacoma International Airport. One-way ticket prices start from ₹ 1,690 including taxes and charges.

      • DEN12:20
        3h 5m
        Nonstop
        SEA14:25
        Fri, Jan 31|Denver - Seattle|Frontier Airlines
        ₹ 1,760
        ₹ 1,760

        Choose Frontier Airlines flights from Denver to Seattle. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Fri, Jan 31, arriving at Seattle-Tacoma International Airport. One-way ticket prices start from ₹ 1,760 including taxes and charges.

      • DEN13:30
        3h 11m
        Nonstop
        SEA15:41
        Thu, Jan 9|Denver - Seattle|Frontier Airlines
        ₹ 1,889
        ₹ 1,889

        Choose Frontier Airlines flights from Denver to Seattle. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Thu, Jan 9, arriving at Seattle-Tacoma International Airport. One-way ticket prices start from ₹ 1,889 including taxes and charges.

      • DEN10:30
        3h 6m
        Nonstop
        SEA12:36
        Wed, Feb 12|Denver - Seattle|Frontier Airlines
        ₹ 2,238
        ₹ 2,238

        Choose Frontier Airlines flights from Denver to Seattle. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Wed, Feb 12, arriving at Seattle-Tacoma International Airport. One-way ticket prices start from ₹ 2,238 including taxes and charges.

      • DEN10:30
        3h 6m
        Nonstop
        SEA12:36
        Wed, Feb 19|Denver - Seattle|Frontier Airlines
        ₹ 2,320
        ₹ 2,320

        Choose Frontier Airlines flights from Denver to Seattle. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Wed, Feb 19, arriving at Seattle-Tacoma International Airport. One-way ticket prices start from ₹ 2,320 including taxes and charges.

      • DEN06:35
        3h 2m
        Nonstop
        SEA08:37
        Wed, Dec 18|Denver - Seattle|Frontier Airlines
        ₹ 2,436
        ₹ 2,436

        Choose Frontier Airlines flights from Denver to Seattle. The one-way direct flight with Frontier Airlines departs from Denver International Airport on Wed, Dec 18, arriving at Seattle-Tacoma International Airport. One-way ticket prices start from ₹ 2,436 including taxes and charges.

      • DEN01:00 pm
        3h 5m
        Nonstop
        SEA02:00 pm
        Tue, Dec 24|Denver - Seattle|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Denver to Seattle

Explore the best time to buy affordable tickets to Seattle with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Denver to Seattle

Compare prices from various providers below to understand which option best suits your travel needs, before enjoying a comfortable journey with a trusted airline from Denver to Seattle.

Frontier Airlines
From ₹ 1,644
Alaska Airlines
From ₹ 3,614
Delta Air Lines
From ₹ 4,465
United Airlines
From ₹ 6,668
Southwest Airlines
From ₹ 7,869
American Airlines
From ₹ 8,347
Sun Country Airlines
From ₹ 12,322

Find more flights and airlines

Alternative Routes from Denver to Seattle

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Seattle from Denver which could help you save money and time.

  • Cheapest
    Frontier Airlines
    DEN
    13:30
    3h 5m
    Nonstop
    SEA
    15:35
    Denver International Airport - Seattle-Tacoma International Airport
    Thu, Jan 16Frontier Airlines
    ₹ 1,644
  • Frontier Airlines
    DEN
    13:30
    3h 5m
    Nonstop
    SEA
    15:35
    Denver International Airport - Seattle-Tacoma International Airport
    Thu, Jan 16Frontier Airlines
    ₹ 1,644
    Find More Flights

FAQ

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

    Airlines adjust prices for flights from Denver to Seattle based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Denver (DEN) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around ₹ 13,301.

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

    It takes around 3 hours 5 minutes to fly from Denver (DEN) to Seattle (SEA).

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
    • The distance from Lake Union Sea Plane Base to downtown is about 2 km. It takes about 20 minutes by taxi.

  • What are the most popular airlines that fly from Denver (DEN) to Seattle (SEA)?

    Airlines with flights from Denver (DEN) to Seattle (SEA): Southwest Airlines, United Airlines, WestJet, All Nippon Airways, Qatar Airways, Volaris, Delta Air Lines and Hawaiian Airlines.

How to find a cheap flight from Denver to Seattle

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Denver to Seattle

Cheapest nonstop flight price₹ 1,643
Cheapest round-trip ticket price₹ 3,147
Off-season for travelJanuary
Peak season for travelSeptember
Flight distance1,644.78 km
Average flight time3 hours 5 minutes
Popular airlineAlaska Airlines

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