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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)
Verify
17 days ago
$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)
Verify
25 days ago
$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)
Verify
26 days ago
$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)
Verify
19 days ago
$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)
Verify
27 days ago
$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)
Verify
24 days ago
$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)
Verify
21 days ago
$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)
Verify
19 days ago
$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)
Verify
25 days ago
$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)
Verify
18 days ago
$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)
Verify
25 days ago
$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)
Verify
23 days ago
Return
Departure
Availability of fares is not guaranteed for offers found in the last 7 days.
Choose when you'd like to depart to Denver (USA):
*Best price per person, all taxes and surcharges included; found in the last 14 days on liligo.com
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
$143 Verify
5 days ago
United Airlines
outbound: Sep 29, 2018
United Airlines direct
return: Oct 1, 2018
United Airlines direct
$146 Verify
25 days ago
Alaska Airlines
outbound: Dec 3, 2018
Alaska Airlines direct
return: Dec 13, 2018
Alaska Airlines direct
$181 Verify
25 days ago
Delta Air Lines
outbound: Dec 3, 2018
Delta Air Lines 1 stop
return: Dec 13, 2018
Delta Air Lines direct
$231 Verify
25 days ago
Airline tickets Seattle - Denver found in the last 30 days.

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