DEN to SEA (Denver to Seattle) Flights

Last Minute Flights from DEN to SEA

Price found within the past 7 days for the specified period. Click for updated prices.

Cheapest DEN to SEA Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
DENSeattleApril 14 to April 17$56
DENSeattleApril 24 to April 27$117
DENSeattleApril 25 to April 28$117
DENSeattleApril 25 to April 28$117
DENSeattleApril 25 to April 28$137
*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

What airlines fly direct from DEN to Sea-Tac Airport?
Numerous airlines fly straight from Denver Airport to Sea-Tac Airport. Relax and enjoy one stress-free journey from Denver to SeaTac with any of the following:

  • United Airlines (UA)
  • Alaska Airlines (AS)
  • Delta Air Lines (DL)
  • Frontier Airlines (F9)

How many flights are there from DEN to SEA?
Around 18 a day. If you're in a big rush to visit SeaTac, see if you can find a fabulous last-minute deal from Denver, CO (DEN-Denver Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) and then book it straight away!
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
This flight from Denver, CO (DEN-Denver Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will take on average 3 hours and 1 minute. Use the time to dive into the novel that's been sitting on your bookcase for a long time or simply get some sleep.
What is the flight distance from Denver, CO (DEN-Denver Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A laptop loaded with fun stuff to watch will help get you through this medium-haul trip of 1,000 miles (1,650 1). While there may be entertainment options on board, there's nothing like having your favorite movies downloaded and ready to go.
How many morning flights are there from DEN to SEA?
With 53 morning flights from DEN to SEA each week, you have lots of options.

  • Buckle up and fly off with United Airlines (UA). It has 14 weekly flights that depart in the morning. The earliest service is 7:46AM.
  • Otherwise, grab an airfare with Alaska Airlines (AS) and leave the runway as early as 6:45AM. This company offers 14 morning flights per week between DEN and SEA.

How many afternoon flights are there from DEN to SEA?
Pick one of the 74 weekly afternoon and evening flights from DEN to SEA and catch a few more z's. Popular carrier United Airlines (UA) operates 25 of these flights taking off from 1:30PM.
What is the earliest departure time out of Denver to SeaTac?
The earliest flight departs DEN at 5:11AM and touches down at 8:20AM at SEA. Don't forget to allow yourself plenty of time in the morning to easily get to the check-in counter.
What is the latest departure time out of Denver to SeaTac?
Lock in a seat on the 10:20PM flight from DEN, landing at SEA at 1:10AM, and allow yourself time to deal with any last-minute vacation preparations. This is the latest flight you can get on this route.
What is the average price from Denver to SeaTac?
On average, the best price for round-trip flights from DEN to SEA is $56. Pick up your own hot deal by locking in your tickets early. 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 Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Denver to Seattle to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from DEN to SEA, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Denver to Seattle, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

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