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

Find cheap airline tickets from Seattle to Denver by date

  • any
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • any
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • price
  • month of departure
  • month of return
$123
outward: Sep 26, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Oct 4, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$133
outward: Sep 23, 2018
4:23a SEA » 7:07a DEN
Frontier Airlines direct (2h44m)
inbound: Sep 30, 2018
12:34a DEN » 3:33a SEA
Frontier Airlines direct (2h59m)
$136
outward: Sep 23, 2018
4:23a SEA » 7:07a DEN
Frontier Airlines direct (2h44m)
inbound: Sep 30, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$136
outward: Oct 24, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Oct 25, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$137
outward: Sep 23, 2018
4:23a SEA » 7:07a DEN
Frontier Airlines direct (2h44m)
inbound: Sep 30, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$139
outward: Oct 1, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Oct 7, 2018
12:32a DEN » 3:31a SEA
Frontier Airlines direct (2h59m)
$140
outward: Sep 22, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Sep 30, 2018
12:34a DEN » 3:33a SEA
Frontier Airlines direct (2h59m)
$140
outward: Aug 10, 2018
9:55a SEA » 12:35p DEN
Frontier Airlines direct (2h40m)
inbound: Aug 15, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$140
outward: Sep 22, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Sep 30, 2018
12:34a DEN » 3:33a SEA
Frontier Airlines direct (2h59m)
$141
outward: Sep 22, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Sep 30, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$141
outward: Sep 22, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Sep 30, 2018
12:34a DEN » 3:33a SEA
Frontier Airlines direct (2h59m)
$141
outward: Sep 22, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Sep 30, 2018
12:34a DEN » 3:33a SEA
Frontier Airlines direct (2h59m)
$143
outward: Oct 3, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Oct 10, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$143
outward: Aug 10, 2018
9:55a SEA » 12:35p DEN
Frontier Airlines direct (2h40m)
inbound: Aug 15, 2018
4:10a DEN » 7:05a SEA
Alaska Airlines direct (2h55m)
$143
outward: Aug 10, 2018
9:55a SEA » 12:35p DEN
Frontier Airlines direct (2h40m)
inbound: Aug 15, 2018
4:10a DEN » 7:05a SEA
Alaska Airlines direct (2h55m)
$143
outward: Aug 2, 2018
9:55a SEA » 12:35p DEN
Frontier Airlines direct (2h40m)
inbound: Aug 7, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$143
outward: Oct 22, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Oct 26, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$144
outward: Aug 16, 2018
9:55a SEA » 12:41p DEN
Frontier Airlines direct (2h46m)
inbound: Aug 21, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$144
outward: Sep 21, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Sep 24, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$144
outward: Aug 9, 2018
9:55a SEA » 12:35p DEN
Frontier Airlines direct (2h40m)
inbound: Aug 13, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$144
outward: Aug 16, 2018
9:55a SEA » 12:41p DEN
Frontier Airlines direct (2h46m)
inbound: Aug 21, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$144
outward: Aug 10, 2018
9:55a SEA » 12:35p DEN
Frontier Airlines direct (2h40m)
inbound: Aug 15, 2018
4:10a DEN » 7:05a SEA
Alaska Airlines direct (2h55m)
$146
outward: Sep 23, 2018
4:23a SEA » 7:07a DEN
Frontier Airlines direct (2h44m)
inbound: Sep 30, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$146
outward: Aug 2, 2018
9:55a SEA » 12:35p DEN
Frontier Airlines direct (2h40m)
inbound: Aug 8, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$146
outward: Jul 29, 2018
9:55a SEA » 12:35p DEN
Frontier Airlines direct (2h40m)
inbound: Aug 9, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$146
outward: Sep 22, 2018
9:55a SEA » 12:42p DEN
Frontier Airlines direct (2h47m)
inbound: Sep 30, 2018
6:07a DEN » 9:05a SEA
Frontier Airlines direct (2h58m)
$147
outward: Aug 10, 2018
9:55a SEA » 12:35p DEN
Frontier Airlines direct (2h40m)
inbound: Aug 15, 2018
4:10a DEN » 7:05a SEA
Alaska Airlines direct (2h55m)
$149
outward: Sep 7, 2018
2:31a SEA » 8:12a DEN
United Airlines 1 stop (5h41m)
inbound: Sep 11, 2018
6:34a DEN » 9:23a SEA
United Airlines direct (2h49m)
$149
outward: Sep 11, 2018
2:31a SEA » 8:12a DEN
United Airlines 1 stop (5h41m)
inbound: Sep 18, 2018
6:34a DEN » 9:23a SEA
United Airlines direct (2h49m)
$149
outward: Sep 7, 2018
2:31a SEA » 8:12a DEN
United Airlines 1 stop (5h41m)
inbound: Sep 11, 2018
6:34a DEN » 9:23a SEA
United Airlines direct (2h49m)
Return
Departure
27 July Jul Friday $retDate.dayShortName
28 July Jul Saturday $retDate.dayShortName
29 July Jul Sunday $retDate.dayShortName
30 July Jul Monday $retDate.dayShortName
31 July Jul Tuesday $retDate.dayShortName
01 August Aug Wednesday $retDate.dayShortName
02 August Aug Thursday $retDate.dayShortName
21 July Jul Saturday $outDate.dayShortName
$223
22 July Jul Sunday $outDate.dayShortName
23 July Jul Monday $outDate.dayShortName
24 July Jul Tuesday $outDate.dayShortName
$212 $276
25 July Jul Wednesday $outDate.dayShortName
$203 $216
26 July Jul Thursday $outDate.dayShortName
$245
27 July Jul Friday $outDate.dayShortName
$170
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
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • all
  • Alaska Airlines
  • Frontier Airlines
  • United Airlines
Frontier Airlines
outbound: Aug 16, 2018
Frontier Airlines direct
return: Aug 20, 2018
Frontier Airlines direct
Alaska Airlines
outbound: Aug 15, 2018
Alaska Airlines direct
return: Dec 12, 2018
Alaska Airlines direct
United Airlines
outbound: Aug 16, 2018
United Airlines direct
return: Aug 20, 2018
United Airlines 1 stop

Travel tips for flights Seattle - Denver

Average flight duration: 2h49m (direct flight)

  • Arrival city:
  • Denver, USA
  • Airport(s):
  • Centennial Airport (APA)
  • Rocky Mountain Metropolitan Airport (BJC)
  • Denver International Airport (DEN)
  • Local time:
  • Jul 20, 2018 1:06 AM, GMT-6
  • Weather:
  • min. 67ºF, max. 91ºF
  • Departure city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • Jul 20, 2018 12:06 AM, GMT-7
  • Weather:
  • min. 57ºF, max. 73ºF