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 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • June 2020
  • any
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • June 2020
  • price
  • month of departure
  • month of return
$139
Alaska Airlines outward: Aug 20, 2019
2:30p DEN » 5:30p SEA
Alaska Airlines direct (3h)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$139
Alaska Airlines outward: Aug 20, 2019
2:30p DEN » 5:30p SEA
Alaska Airlines direct (3h)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$140
Alaska Airlines outward: Aug 20, 2019
2:30p DEN » 5:30p SEA
Alaska Airlines direct (3h)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$142
Alaska Airlines outward: Aug 20, 2019
2:30p DEN » 5:30p SEA
Alaska Airlines direct (3h)
Frontier Airlines inbound: Aug 27, 2019
10:05p SEA » 1:02a DEN
Frontier Airlines direct (2h57m)
$142
Alaska Airlines outward: Aug 20, 2019
2:30p DEN » 5:30p SEA
Alaska Airlines direct (3h)
Frontier Airlines inbound: Aug 27, 2019
2:30p SEA » 5:19p DEN
Frontier Airlines direct (2h49m)
$145
Alaska Airlines outward: Aug 20, 2019
2:30p DEN » 5:30p SEA
Alaska Airlines direct (3h)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$145
Alaska Airlines outward: Aug 20, 2019
2:30p DEN » 5:30p SEA
Alaska Airlines direct (3h)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$145
Alaska Airlines outward: Aug 20, 2019
2:30p DEN » 5:30p SEA
Alaska Airlines direct (3h)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$145
Alaska Airlines outward: Aug 20, 2019
2:30p DEN » 5:30p SEA
Alaska Airlines direct (3h)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$146
Alaska Airlines outward: Aug 20, 2019
2:30p DEN » 5:30p SEA
Alaska Airlines direct (3h)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$146
Alaska Airlines outward: Aug 20, 2019
2:30p DEN » 5:30p SEA
Alaska Airlines direct (3h)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$147
Frontier Airlines outward: Aug 20, 2019
6:09p DEN » 9:14p SEA
Frontier Airlines direct (3h05m)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$151
Frontier Airlines outward: Aug 20, 2019
6:09p DEN » 9:14p SEA
Frontier Airlines direct (3h05m)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$152
Frontier Airlines outward: Aug 20, 2019
6:09p DEN » 9:14p SEA
Frontier Airlines direct (3h05m)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$152
Frontier Airlines outward: Aug 20, 2019
6:09p DEN » 9:14p SEA
Frontier Airlines direct (3h05m)
Alaska Airlines inbound: Aug 28, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$156
Frontier Airlines outward: Aug 20, 2019
6:09p DEN » 9:14p SEA
Frontier Airlines direct (3h05m)
Frontier Airlines inbound: Aug 27, 2019
10:05p SEA » 1:02a DEN
Frontier Airlines direct (2h57m)
$160
Frontier Airlines outward: Aug 6, 2019
2:10p DEN » 5:12p SEA
Frontier Airlines direct (3h02m)
Alaska Airlines inbound: Aug 21, 2019
2:55a SEA » 5:35a DEN
Alaska Airlines direct (2h40m)
$161
Frontier Airlines outward: Aug 15, 2019
2:54a DEN » 6:00a SEA
Frontier Airlines direct (3h06m)
Frontier Airlines inbound: Aug 21, 2019
2:30p SEA » 5:19p DEN
Frontier Airlines direct (2h49m)
$165
Frontier Airlines outward: Aug 25, 2019
6:09p DEN » 9:11p SEA
Frontier Airlines direct (3h02m)
Alaska Airlines inbound: Sep 1, 2019
4:50p SEA » 7:35p DEN
Alaska Airlines direct (2h45m)
$166
Frontier Airlines outward: Aug 8, 2019
2:10p DEN » 5:12p SEA
Frontier Airlines direct (3h02m)
Frontier Airlines inbound: Aug 12, 2019
2:30p SEA » 5:19p DEN
Frontier Airlines direct (2h49m)
$180
Frontier Airlines outward: Sep 13, 2019
7:00p DEN » 10:06p SEA
Frontier Airlines direct (3h06m)
Alaska Airlines inbound: Sep 15, 2019
3:05p SEA » 5:50p DEN
Alaska Airlines direct (2h45m)
$181
Frontier Airlines outward: Aug 13, 2019
6:09a DEN » 9:11a SEA
Frontier Airlines direct (3h02m)
Alaska Airlines inbound: Aug 14, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$198
Frontier Airlines outward: Aug 8, 2019
2:10p DEN » 5:12p SEA
Frontier Airlines direct (3h02m)
Alaska Airlines inbound: Aug 13, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$205
Frontier Airlines outward: Aug 4, 2019
2:55a DEN » 5:58a SEA
Frontier Airlines direct (3h03m)
Delta Air Lines inbound: Aug 15, 2019
4:41a SEA » 7:15a DEN
Delta Air Lines direct (2h34m)
$206
Frontier Airlines outward: Aug 8, 2019
2:10p DEN » 5:12p SEA
Frontier Airlines direct (3h02m)
Spirit Airlines inbound: Aug 12, 2019
4:25p SEA » 6:56p DEN
Spirit Airlines 1 stop (26h31m)
$206
Frontier Airlines outward: Aug 8, 2019
2:10p DEN » 5:12p SEA
Frontier Airlines direct (3h02m)
Spirit Airlines inbound: Aug 13, 2019
5:12a SEA » 6:56p DEN
Spirit Airlines 1 stop (13h44m)
$206
Frontier Airlines outward: Aug 8, 2019
2:10p DEN » 5:12p SEA
Frontier Airlines direct (3h02m)
United Airlines inbound: Aug 13, 2019
12:59a SEA » 6:10a DEN
United Airlines 1 stop (5h11m)
$206
Frontier Airlines outward: Aug 8, 2019
2:10p DEN » 5:12p SEA
Frontier Airlines direct (3h02m)
Spirit Airlines inbound: Aug 12, 2019
4:25p SEA » 6:56p DEN
Spirit Airlines 1 stop (26h31m)
$206
Frontier Airlines outward: Aug 8, 2019
2:10p DEN » 5:12p SEA
Frontier Airlines direct (3h02m)
Alaska Airlines inbound: Aug 13, 2019
4:50a SEA » 7:30a DEN
Alaska Airlines direct (2h40m)
$207
Frontier Airlines outward: Aug 8, 2019
2:10p DEN » 5:12p SEA
Frontier Airlines direct (3h02m)
Spirit Airlines inbound: Aug 12, 2019
4:25p SEA » 6:56p DEN
Spirit Airlines 1 stop (26h31m)
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 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • June 2020
  • all
  • Alaska Airlines
  • Delta Air Lines
  • Frontier Airlines
  • United Airlines
Alaska Airlines
outbound: Dec 4, 2019
Alaska Airlines direct
return: Dec 9, 2019
Alaska Airlines direct
Frontier Airlines
outbound: Aug 25, 2019
Frontier Airlines direct
return: Sep 1, 2019
Alaska Airlines direct
Delta Air Lines
outbound: Dec 4, 2019
Delta Air Lines direct
return: Dec 9, 2019
Alaska Airlines direct
United Airlines
outbound: Dec 4, 2019
United Airlines direct
return: Dec 9, 2019
United Airlines 1 stop

Travel tips for flights Denver - Seattle

Average flight duration: 2h50m (direct flight)

  • Arrival city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • Jul 18, 2019 12:17 PM, GMT-7
  • Weather:
  • min. 56ºF, max. 71ºF
  • Departure city:
  • Denver, USA
  • Airport(s):
  • Centennial Airport (APA)
  • Rocky Mountain Metropolitan Airport (BJC)
  • Denver International Airport (DEN)
  • Local time:
  • Jul 18, 2019 1:17 PM, GMT-6
  • Weather:
  • min. 77ºF, max. 97ºF