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

Find cheap airline tickets from Denver to Seattle by date

  • any
  • July 2020
  • August 2020
  • September 2020
  • October 2020
  • November 2020
  • December 2020
  • January 2021
  • February 2021
  • March 2021
  • April 2021
  • May 2021
  • June 2021
  • any
  • July 2020
  • August 2020
  • September 2020
  • October 2020
  • November 2020
  • December 2020
  • January 2021
  • February 2021
  • March 2021
  • April 2021
  • May 2021
  • June 2021
  • price
  • month of departure
  • month of return
$108
Frontier Airlines outward: Jul 11, 2020
4:20p DEN » 7:15p SEA
Frontier Airlines direct (2h55m)
Frontier Airlines inbound: Jul 15, 2020
8:05p SEA » 10:47p DEN
Frontier Airlines direct (2h42m)
$115
Frontier Airlines outward: Jul 11, 2020
4:20p DEN » 7:15p SEA
Frontier Airlines direct (2h55m)
Frontier Airlines inbound: Jul 15, 2020
8:05p SEA » 10:47p DEN
Frontier Airlines direct (2h42m)
$115
Frontier Airlines outward: Jul 11, 2020
4:20p DEN » 7:15p SEA
Frontier Airlines direct (2h55m)
Frontier Airlines inbound: Jul 15, 2020
8:05p SEA » 10:47p DEN
Frontier Airlines direct (2h42m)
$124
Frontier Airlines outward: Jul 15, 2020
4:20p DEN » 7:15p SEA
Frontier Airlines direct (2h55m)
Spirit Airlines inbound: Jul 21, 2020
5:14a SEA » 3:41a DEN
Spirit Airlines 1 stop (22h27m)
$128
Spirit Airlines outward: Jul 16, 2020
2:50a DEN » 9:56p SEA
Spirit Airlines 2 stops (19h06m)
Spirit Airlines inbound: Jul 19, 2020
11:00p SEA » 12:33a DEN
Spirit Airlines 2 stops (25h33m)
$135
Frontier Airlines outward: Jul 10, 2020
4:20p DEN » 7:15p SEA
Frontier Airlines direct (2h55m)
Frontier Airlines inbound: Jul 15, 2020
8:05p SEA » 10:47p DEN
Frontier Airlines direct (2h42m)
$135
Frontier Airlines outward: Jul 10, 2020
4:20p DEN » 7:15p SEA
Frontier Airlines direct (2h55m)
Frontier Airlines inbound: Jul 15, 2020
8:05p SEA » 10:47p DEN
Frontier Airlines direct (2h42m)
$171
Alaska Airlines outward: Jul 23, 2020
4:00p DEN » 6:54p SEA
Alaska Airlines direct (2h54m)
Frontier Airlines inbound: Jul 26, 2020
8:00p SEA » 10:42p DEN
Frontier Airlines direct (2h42m)
Return
Departure
Choose when you'd like to depart to Seattle (USA):
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
  • July 2020
  • August 2020
  • September 2020
  • October 2020
  • November 2020
  • December 2020
  • January 2021
  • February 2021
  • March 2021
  • April 2021
  • May 2021
  • June 2021
  • all
  • Alaska Airlines
  • Frontier Airlines
  • Spirit Airlines
Spirit Airlines
outbound: Jul 15, 2020
Spirit Airlines 2 stops
return: Jul 19, 2020
Spirit Airlines 2 stops
Frontier Airlines
outbound: Jul 11, 2020
Frontier Airlines direct
return: Jul 15, 2020
Frontier Airlines direct
Alaska Airlines
outbound: Jul 11, 2020
Alaska Airlines direct
return: Jul 15, 2020
Frontier Airlines direct

Travel tips for flights Denver - Seattle

Average flight duration: 2h55m (direct flight)

  • Arrival city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • Jul 4, 2020 1:34 PM, GMT-7
  • Weather:
  • min. 51ºF, max. 77ºF
  • Departure city:
  • Denver, USA
  • Airport(s):
  • Centennial Airport (APA)
  • Rocky Mountain Metropolitan Airport (BJC)
  • Denver International Airport (DEN)
  • Local time:
  • Jul 4, 2020 2:34 PM, GMT-6
  • Weather:
  • min. 69ºF, max. 85ºF