Take off on cheap flights from Denver to Seattle, your adventure starts now!

Find cheap airline tickets from Denver to Seattle by date

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  • month of departure
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$78
Frontier Airlines outward: Nov 5, 2021
4:50a DEN » 7:59a SEA
Frontier Airlines direct (3h09m)
Frontier Airlines inbound: Nov 8, 2021
3:14p SEA » 5:58p DEN
Frontier Airlines direct (2h44m)
$84
Frontier Airlines outward: Nov 5, 2021
4:50a DEN » 7:59a SEA
Frontier Airlines direct (3h09m)
Frontier Airlines inbound: Nov 8, 2021
3:14p SEA » 5:58p DEN
Frontier Airlines direct (2h44m)
Return
Departure
Find the cheapest Denver Seattle flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for Denver - Seattle with these new dates, click on an offer. Want to depart from another city? Choose:

Airlines operating flights from Denver to Seattle

  • any
  • September 2021
  • October 2021
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  • all
  • Alaska Airlines
  • Frontier Airlines
  • United Airlines
Frontier Airlines
outbound: Nov 4, 2021
Frontier Airlines direct
return: Nov 8, 2021
Frontier Airlines direct
Alaska Airlines
outbound: Nov 4, 2021
Alaska Airlines direct
return: Nov 8, 2021
Frontier Airlines direct
United Airlines
outbound: Nov 4, 2021
United Airlines direct
return: Nov 8, 2021
United Airlines direct

Travel tips for flights Denver - Seattle

Average flight duration: 2h56m (direct flight)

  • Arrival city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • Sep 24, 2021 4:26 AM, GMT-7
  • Weather:
  • min. 49ºF, max. 77ºF
  • Departure city:
  • Denver, USA
  • Airport(s):
  • Centennial Airport (APA)
  • Rocky Mountain Metropolitan Airport (BJC)
  • Denver International Airport (DEN)
  • Local time:
  • Sep 24, 2021 5:26 AM, GMT-6
  • Weather:
  • min. 58ºF, max. 84ºF