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

Find cheap airline tickets from Seattle to Denver by date

  • any
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • any
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • price
  • month of departure
  • month of return
$130
outward: Oct 14, 2018
4:21a SEA » 7:01a DEN
Frontier Airlines direct (2h40m)
inbound: Oct 17, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$141
outward: Sep 30, 2018
4:23a SEA » 7:07a DEN
Frontier Airlines direct (2h44m)
inbound: Oct 2, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$146
outward: Nov 9, 2018
9:55a SEA » 12:37p DEN
Frontier Airlines direct (2h42m)
inbound: Nov 13, 2018
6:05a DEN » 9:10a SEA
Frontier Airlines direct (3h05m)
$153
outward: Sep 27, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Oct 2, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$154
outward: Sep 24, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Sep 28, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$169
outward: Oct 4, 2018
9:55a SEA » 12:30p DEN
Frontier Airlines direct (2h35m)
inbound: Oct 7, 2018
2:39p DEN » 5:52p SEA
Delta Air Lines direct (3h13m)
$174
outward: Sep 25, 2018
6:20a SEA » 9:02a DEN
Alaska Airlines direct (2h42m)
inbound: Sep 30, 2018
2:00p DEN » 6:35p SEA
Delta Air Lines 1 stop (4h35m)
$177
outward: Sep 27, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Sep 30, 2018
2:00p DEN » 6:35p SEA
Delta Air Lines 1 stop (4h35m)
$181
outward: Dec 4, 2018
4:55a SEA » 7:26a DEN
Alaska Airlines direct (2h31m)
inbound: Dec 13, 2018
4:45p DEN » 8:00p SEA
Alaska Airlines direct (3h15m)
$183
outward: Oct 19, 2018
9:55a SEA » 12:30p DEN
Frontier Airlines direct (2h35m)
inbound: Oct 22, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$184
outward: Nov 16, 2018
10:54p SEA » 1:39a DEN
Frontier Airlines direct (2h45m)
inbound: Nov 19, 2018
6:45p DEN » 9:54p SEA
Frontier Airlines direct (3h09m)
$242
outward: Dec 13, 2018
9:59a SEA » 12:39p DEN
Frontier Airlines direct (2h40m)
inbound: Dec 22, 2018
6:50p DEN » 10:02p SEA
Frontier Airlines direct (3h12m)
Return
Departure
Choose when you'd like to depart to Denver (USA):
Find the cheapest Seattle Denver flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for Seattle - Denver with these new dates, click on an offer. Want to depart from another city? Choose: Las Vegas - Denver New York - Denver London - Denver Miami - Denver Chicago - Denver San Francisco - Denver See more routes

Airlines operating flights from Seattle to Denver

  • any
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • all
  • Alaska Airlines
  • Delta Air Lines
  • Frontier Airlines
  • United Airlines
Frontier Airlines
outbound: Nov 28, 2018
Frontier Airlines direct
return: Dec 1, 2018
Frontier Airlines direct
United Airlines
outbound: Sep 29, 2018
United Airlines direct
return: Oct 1, 2018
United Airlines direct
Alaska Airlines
outbound: Dec 3, 2018
Alaska Airlines direct
return: Dec 13, 2018
Alaska Airlines direct
Delta Air Lines
outbound: Dec 3, 2018
Delta Air Lines 1 stop
return: Dec 13, 2018
Delta Air Lines direct

Travel tips for flights Seattle - Denver

Average flight duration: 2h50m (direct flight)

  • Arrival city:
  • Denver, USA
  • Airport(s):
  • Centennial Airport (APA)
  • Rocky Mountain Metropolitan Airport (BJC)
  • Denver International Airport (DEN)
  • Local time:
  • Sep 23, 2018 12:29 AM, GMT-6
  • Weather:
  • min. 54ºF, max. 76ºF
  • Departure city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • Sep 22, 2018 11:29 PM, GMT-7
  • Weather:
  • min. 51ºF, max. 62ºF