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Cheap SEA to DEN Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Seattle to Denver route information

Origin Airport Seattle - Tacoma Intl.
Destination Airport Denver Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, United
Flight Price $107
Distance 1,022 mi

Cheap SEA to DEN Flights

  • How long do most people stay in Denver?

    Of course, you are not most people, but if you were, you'd stay roughly four days.
  • Do some days of the week have more flight times than others?

    With 48 total flight time options, Wednesday provides the most flexibility from SEA to DEN. Thursday currently offers the least amount of flight times with only 41 options.
  • How much is a plane ticket to Denver (DEN) from Seattle (SEA)?

    Cost can range from $107 to $452, prices for SEA to DEN change less than most routes in the United States. Prices are usually less the further out you book.
  • Can I change the date of my flight?

    You sure can switch your departure date and you may save yourself some money by doing it. The cheapest day to fly in October is Saturday. If you like to go with the flow, you may just find that you can pocket some extra cash that you can use for future trips.
  • How many flights are there per day from Seattle to Denver?

    Of course, the day matters, but on average, 44 different flight times exist when you fly from SEA to DEN. Compared to the average route departing the United States with nine flight times, you'll have more options than most.
  • What is the cheapest day to fly to Denver?

    As of Sep 16th, the cheapest day to fly from Seattle to Denver is Sep 20th. Tickets are presently $107, which is 32% less than the average price for this route.
  • How long is the flight from SEA to DEN?

    Alaska Airlines can get you there in two hours and 25 minutes. For example, if you were to leave Seattle at 7:40 PM PDT, you would get to Denver at 11:05 PM MDT. Just enough time for you to catch up on your television shows before your plane lands (remember, there is a one-hour time difference).

Seattle to Denver Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to Denver will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Denver.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at, we’ll pair you up with SEA to DEN flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to DEN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Sep 20, 2019

Everything went very smoothly

Sep 20, 2019

Need more room. You have squeezed us as far as to can!!

Sep 19, 2019

However, Our connection to Jackson WY is over an hour late

Sep 17, 2019

Smooth take off and landing

Sep 13, 2019

I will admit though there wasn't any information where to pick up my bag. It was a little confusing

Sep 10, 2019

The DIA Baggage Claim announcement boards said to get our luggage on carousel 1 but it was actually on carousel 5.

Sep 9, 2019

so much better than the others

Sep 1, 2019

I loved everything.

Aug 28, 2019

seats were not comfortable

Aug 27, 2019

This was my first Alaskan Air Flight. Great Staff, Nice Plane, TV Entertainment was top notch

Package Disclaimer

*Savings amount equal to 100% when flight + hotel are booked together. Prices based on searches conducted by fellow shoppers within the past 24 hours. There is no guarantee that these prices will be in effect at the time of your search. Vacation package savings are based on comparison to prices on of the same components booked separately. Savings vary based on origin/destination, length of trip, stay dates and travel partners, and aren't available on all packages.