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Cheap DEN to SEA Flights

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

Denver to Seattle route information

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

Cheap DEN to SEA Flights

  • How long is the flight from DEN to SEA?

    Alaska Airlines can get you there in two hours and 50 minutes. For example, if you were to leave Denver at 10:44 AM MDT, you would get to Seattle at 12:34 PM PDT. Giving you enough time to catch up on your work before you touch down. Don't forget the one-hour time change. So, synchronize your watches.
  • What is the cheapest day to fly?

    The cheapest day to fly from Denver to Seattle is on Tuesday. If you would like to save some money on your next trip look for flights on Tuesday.
  • How long does it take to fly from Denver to Seattle?

    Alaska Airlines currently holds the fastest travel time with two hours and 50 minutes. For example, you would arrive in Seattle at 12:34 PM PDT if you left Denver at 10:44 AM MDT. Remember, there is a one-hour time difference.
  • How many flights are there per day from Denver to Seattle?

    Depending on the day of the week, the number of flight times will change, but on average there are 46. Compared to the average route departing the United States with nine flight times, you'll have more choices than most.
  • How much is a plane ticket to Seattle (SEA) from Denver (DEN)?

    Prices vary from $107 to $379. Booking far in advance can usually help you get the cheapest price. Remember, booking ahead can save you money you can use to treat yourself to something special while on your vacation. And who doesn't like to treat themselves?
  • How much time do people spend in Seattle?

    The average time spent in Seattle by passengers from Denver is about one week.
  • Which airline has the least delays from Denver to Seattle?

    Booking with JetBlue Airways means you will arrive to Seattle around the time you were supposed to. In fact, this timely airline has a 100% on-time average. Of course, it never hurts to be prepared. If you're on Hawaiian Airlines, be sure to sign up for the delay notifications to stay up to date with your flight's status.

Denver to Seattle 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 Denver to Seattle 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 Seattle.

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 DEN to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Denver 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 SEA 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 15, 2019

I will try to fly Delta everytime now. Hopefully my future flights will be just as great.

Sep 7, 2019

Delta airline then best

Sep 5, 2019

I wish i could have selected a window seat.

Sep 5, 2019

Seats to narrow!!!!

Sep 1, 2019

Landed early but had to wait to get to the gate so flight was on time.

Aug 27, 2019

Alaska Air has wonderful service.

Aug 26, 2019

Just a tad more room. Middle seat had me squished and I have an average build.

Aug 24, 2019

TSA lines too long and slow

Aug 24, 2019

My luggage got lost but you were able to get it to me to me in time for my cruise. Thank you! 🥰

Aug 20, 2019

I got my boarding pass sent to my phone, instead of a print-out (a first for me), Still feels a bit disconcerting not to get a seat assignment until the moment you are boarding. But the process was smooth, and staff member was reassuring when I asked at the gate.