DEN to SEA (Denver to Seattle) Flights

Last Minute Flights from DEN to SEA

Best airfare and ticket deals for DEN to SEA flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
DENSeattleApril 21 to April 25$117
*Prices include taxes and fees

Cheapest DEN to SEA Flights

Best airfare and ticket deals for DEN to SEA flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
DENSeattleMay 8 to May 14$76
DENSeattleApril 23 to April 30$136
DENSeattleMay 18 to May 21$139
DENEverettAugust 21 to September 3$464
*Prices include taxes and fees
DEN to SEA Flight Details
Origin airport
Denver Intl.
Origin airport IATA code
DEN
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Distance
1022 mi

Frequently asked questions

Which airlines with flights from DEN to Sea-Tac Airport allow free cancellation due to COVID-19?
Plenty of airlines now advertise airfares with more flexibility so you can plan your flight to Sea-Tac Airport with confidence. To figure out which carriers have these kinds of tickets, use our smart filter tool. Just check the “No change fee” box under the “Flexible change policies” heading. Also read the ticket’s terms and conditions so you’re familiar with what COVID-19 related changes are permitted.
What airlines fly direct from DEN to SEA?
Jetting from Denver to Seattle is as easy as taking just one flight. The following carriers all have nonstop fares from Denver, CO Airport (DEN-Denver Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.):
  • United Airlines (UA)
  • Southwest Airlines (WN)
  • Alaska Airlines (AS)
  • Delta (DL)
How many flights are there from DEN to SEA?
There are about 20 flights a day from Denver, CO Airport (DEN-Denver Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.), so you have plenty of ways to get to Seattle. Just decide on a date and time that works best for you and lock in your seat.
How long does it take to fly from Denver, CO Airport (DEN-Denver Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.)?
On average, it takes 3 hours and 2 minutes to get from Denver, CO Airport (DEN-Denver Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). That’s enough time to begin your travel journal, do some last-minute trip planning or read up about the fun things you can do in Seattle.
What is the flight distance from Denver, CO Airport (DEN-Denver Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.)?
Covering a distance of 1000 miles (1650 km), you’ll be in your seat for a while during this medium-haul journey. Need legroom? Find an aisle seat. Otherwise, take the window and enjoy the views between Denver and Seattle.
How many morning flights are there from DEN to SEA?
Those who prefer to rise early get to choose from 44 morning flights from DEN to SEA a week.
  • Fly away with Southwest Airlines (WN). It has 16 weekly flights that depart before midday. The earliest one takes off at 12:05PM.
  • Or else, grab a fare with United Airlines (UA) and take off as early as 2:00PM. This airline lists 14 morning flights per week between DEN and SEA.
How many afternoon flights are there from DEN to SEA?
With 99 afternoon and evening flights from DEN to SEA per week, you can forget all about dragging yourself out of bed at the crack of dawn.
  • United Airlines (UA) has 28 weekly flights that leave after midday. The earliest departs at 1:46AM.
  • You can also pick from the 25 afternoon and evening flights provided by Southwest Airlines (WN) each week. 1:25AM is the first scheduled time of departure.
  • Or else reserve a flight from 1:59AM onward with Delta (DL). This carrier provides 21 afternoon and evening flights each week.
What is the earliest departure time out of Denver to Seattle?
The earliest flight departs DEN at 6:05AM and hits the runway at SEA at 9:15AM. Make sure you allow yourself plenty of time in the morning to get to the check-in counter.
What is the latest departure time out of Denver to Seattle?
The last flight takes off from DEN at 9:55PM and comes in at SEA at 12:58AM. You’ll have ample time to prepare for this flight.
What is the average price from Denver to Seattle?
Round-trip tickets from DEN to SEA begin from around $76. Great fares get snapped up fast, so be prepared to hit “book” when you find the perfect price. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Denver to Seattle Flight Schedule