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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: Mon Mar 9 2015 Return: Tue Mar 17 2015 Trip spans 9 days
Frontier
Frontier
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
DEN
12:29p
SEA
3:20p
2h 51m
nonstop
Depart: Tue Mar 10 2015 Return: Tue Mar 17 2015 Trip spans 8 days
Frontier
Frontier
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
DEN
12:29p
SEA
3:20p
2h 51m
nonstop
Depart: Wed Mar 11 2015 Return: Tue Mar 24 2015 Trip spans 14 days
Frontier
Frontier
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
DEN
12:29p
SEA
3:20p
2h 51m
nonstop
Depart: Wed Mar 18 2015 Return: Tue Mar 24 2015 Trip spans 7 days
Frontier
Frontier
SEA
6:20a
DEN
8:51a
2h 31m
nonstop
DEN
12:29p
SEA
3:20p
2h 51m
nonstop
Depart: Tue Mar 31 2015 Return: Tue Apr 14 2015 Trip spans 15 days
Frontier
Frontier
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
Depart: Tue Apr 7 2015 Return: Tue Apr 14 2015 Trip spans 8 days
Frontier
Frontier
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
Depart: Wed Apr 8 2015 Return: Tue Apr 14 2015 Trip spans 7 days
Frontier
Frontier
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
Depart: Tue Apr 14 2015 Return: Tue Apr 21 2015 Trip spans 8 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
Depart: Wed Apr 15 2015 Return: Wed Apr 22 2015 Trip spans 8 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
Depart: Tue Apr 21 2015 Return: Tue Apr 28 2015 Trip spans 8 days
Frontier
Frontier
SEA
6:20a
DEN
8:51a
2h 31m
nonstop
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
Depart: Wed Apr 22 2015 Return: Mon Apr 27 2015 Trip spans 6 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
1:09p
SEA
4:00p
2h 51m
nonstop
Depart: Sat Apr 18 2015 Return: Tue Apr 21 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: Sat Apr 25 2015 Return: Mon Apr 27 2015 Trip spans 3 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
Depart: Wed Apr 29 2015 Return: Wed May 6 2015 Trip spans 8 days
Frontier
Frontier
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
DEN
3:45a
SEA
6:32a
2h 47m
nonstop
Depart: Sat Apr 11 2015 Return: Tue Apr 14 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
SEA
3:20p
DEN
5:46p
2h 26m
nonstop
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
Depart: Thu Apr 2 2015 Return: Sat Apr 4 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
4:35p
DEN
6:59p
2h 24m
nonstop
DEN
2:00a
SEA
4:58a
2h 58m
nonstop
Depart: Tue May 19 2015 Return: Tue May 26 2015 Trip spans 8 days
United
United
SEA
1:24a
DEN
4:00a
2h 36m
nonstop
DEN
6:04p
SEA
8:56p
2h 52m
nonstop
Depart: Thu Jun 4 2015 Return: Mon Jun 8 2015 Trip spans 5 days
Delta
Delta
SEA
3:30p
DEN
6:05p
2h 35m
nonstop
DEN
2:59p
SEA
5:54p
2h 55m
nonstop
Depart: Sun Jul 19 2015 Return: Sun Jul 26 2015 Trip spans 8 days
American Airlines
American Airlines
SEA
4:30p
DEN
6:59p
2h 29m
nonstop
DEN
2:00a
SEA
4:40a
2h 40m
nonstop
Change your search
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 10:14 am Mar 8 - Apr 3
6932 6:40 am 10:14 am Apr 4 - Apr 4
6932 8:35 am 12:10 pm Mar 8 - May 1
6934 1:20 pm 4:52 pm Apr 5 - May 2
6934 1:20 pm 4:55 pm Mar 8 - Apr 4
7053 7:20 pm 10:45 pm Mar 8 - Apr 4
7053 7:20 pm 10:46 pm Apr 5 - Apr 26
6987 8:30 pm 11:56 pm Apr 5 - May 2
6987 8:35 pm 11:59 pm Mar 8 - Apr 4
Airports
Origin

Seattle
$98
Destination

Denver
$98