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Find Flight Deals from Seattle/Tacoma Intl to Denver International (SEA - DEN)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to Denver International

(Round-trip)
Depart: Sat Apr 25 2015 Return: Tue Apr 28 2015 Trip spans 4 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
Depart: Wed Apr 29 2015 Return: Tue May 5 2015 Trip spans 7 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
Depart: Fri May 1 2015 Return: Sat May 2 2015 Trip spans 2 days
Frontier
Frontier
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
Depart: Sat May 2 2015 Return: Tue May 5 2015 Trip spans 4 days
Frontier
Frontier
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
Depart: Tue May 5 2015 Return: Sat May 9 2015 Trip spans 5 days
Frontier
Frontier
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
Depart: Wed May 6 2015 Return: Sat May 9 2015 Trip spans 4 days
Frontier
Frontier
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
DEN
3:45a
SEA
6:32a
2h 47m
nonstop
Depart: Fri May 8 2015 Return: Tue May 12 2015 Trip spans 5 days
Frontier
Frontier
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
Depart: Tue Apr 14 2015 Return: Sat May 9 2015 Trip spans 26 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
Depart: Wed Apr 15 2015 Return: Tue Apr 21 2015 Trip spans 7 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
Depart: Sat Apr 18 2015 Return: Wed Apr 22 2015 Trip spans 5 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
Depart: Tue Apr 21 2015 Return: Wed Apr 29 2015 Trip spans 9 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
Depart: Thu Apr 23 2015 Return: Sat Apr 25 2015 Trip spans 3 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
Depart: Mon May 4 2015 Return: Mon May 11 2015 Trip spans 8 days
Frontier
Frontier
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
DEN
3:45a
SEA
6:32a
2h 47m
nonstop
Depart: Mon Apr 27 2015 Return: Tue Apr 28 2015 Trip spans 2 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
Depart: Tue Apr 28 2015 Return: Wed Apr 29 2015 Trip spans 2 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
Depart: Wed Jun 3 2015 Return: Mon Jun 15 2015 Trip spans 13 days
Alaska Airlines
Alaska Airlines
SEA
4:30a
DEN
7:08a
2h 38m
nonstop
DEN
2:50p
SEA
5:35p
2h 45m
nonstop
Depart: Fri Jun 5 2015 Return: Sun Jun 7 2015 Trip spans 3 days
Delta
Delta
SEA
3:35p
DEN
6:21p
2h 46m
nonstop
DEN
6:30a
SEA
9:25a
2h 55m
nonstop
Depart: Thu Sep 24 2015 Return: Sun Sep 27 2015 Trip spans 4 days
United
United
SEA
1:45a
DEN
4:20a
2h 35m
nonstop
DEN
5:55p
SEA
8:42p
2h 47m
nonstop
Depart: Sun Jun 21 2015 Return: Sun Jun 28 2015 Trip spans 8 days
American Airlines
American Airlines
SEA
2:35a
DEN
5:10a
2h 35m
nonstop
DEN
4:00a
SEA
6:49a
2h 49m
nonstop
Depart: Wed Apr 1 2015 Return: Wed Apr 15 2015 Trip spans 15 days
US Airways
US Airways
SEA
2:00p
DEN
7:35p
5h 35m
1 stop
DEN
8:17a
SEA
1:52p
5h 35m
1 stop
Direct flights SEA to DEN on American Airlines
Flight # Depart SEA Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
6830 6:40 am 10:11 am Apr 5 - May 2
6830 6:40 am 10:15 am May 3 - Jun 6
6932 8:30 am 12:08 pm May 3 - Jun 6
6932 8:35 am 12:10 pm Apr 2 - May 1
6932 8:35 am 12:10 pm May 2 - May 2
6934 1:20 pm 4:52 pm Apr 5 - May 2
6934 1:20 pm 5:00 pm May 3 - Jun 6
7053 6:55 pm 10:23 pm Apr 27 - May 2
7053 6:55 pm 10:25 pm May 3 - Jun 6
7053 7:20 pm 10:46 pm Apr 5 - Apr 26
6987 8:30 pm 11:56 pm Apr 5 - May 2
6987 8:30 pm 11:58 pm May 3 - Jun 6
Airports
Origin

Seattle
$138
Destination

Denver
$138