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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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: Tue Aug 25 2015 Return: Wed Aug 26 2015 Trip spans 2 days
Frontier
Frontier
SEA
11:15a
DEN
1:50p
2h 35m
nonstop
DEN
8:40a
SEA
11:21a
2h 41m
nonstop
Depart: Wed Aug 26 2015 Return: Tue Sep 1 2015 Trip spans 7 days
Frontier
Frontier
SEA
11:15a
DEN
1:50p
2h 35m
nonstop
DEN
4:30p
SEA
7:15p
2h 45m
nonstop
Depart: Tue Sep 1 2015 Return: Tue Sep 8 2015 Trip spans 8 days
Frontier
Frontier
SEA
3:45p
DEN
6:16p
2h 31m
nonstop
DEN
4:15p
SEA
7:09p
2h 54m
nonstop
Depart: Wed Sep 2 2015 Return: Tue Sep 8 2015 Trip spans 7 days
Frontier
Frontier
SEA
3:35p
DEN
6:04p
2h 29m
nonstop
DEN
4:15p
SEA
7:09p
2h 54m
nonstop
Depart: Wed Sep 9 2015 Return: Tue Sep 15 2015 Trip spans 7 days
Frontier
Frontier
SEA
3:35p
DEN
6:06p
2h 31m
nonstop
DEN
4:15p
SEA
7:09p
2h 54m
nonstop
Depart: Tue Sep 15 2015 Return: Wed Sep 16 2015 Trip spans 2 days
Frontier
Frontier
SEA
6:30a
DEN
9:05a
2h 35m
nonstop
DEN
4:15p
SEA
7:09p
2h 54m
nonstop
Depart: Wed Sep 16 2015 Return: Tue Sep 22 2015 Trip spans 7 days
Frontier
Frontier
SEA
3:35p
DEN
6:06p
2h 31m
nonstop
DEN
3:55a
SEA
6:48a
2h 53m
nonstop
Depart: Tue Sep 22 2015 Return: Wed Sep 23 2015 Trip spans 2 days
Frontier
Frontier
SEA
6:30a
DEN
9:05a
2h 35m
nonstop
DEN
4:15p
SEA
7:09p
2h 54m
nonstop
Depart: Wed Sep 23 2015 Return: Tue Sep 29 2015 Trip spans 7 days
Frontier
Frontier
SEA
6:30a
DEN
9:05a
2h 35m
nonstop
DEN
12:45p
SEA
3:40p
2h 55m
nonstop
Depart: Tue Sep 29 2015 Return: Tue Oct 6 2015 Trip spans 8 days
Frontier
Frontier
SEA
9:05a
DEN
11:39a
2h 34m
nonstop
DEN
12:45p
SEA
3:40p
2h 55m
nonstop
Depart: Wed Sep 30 2015 Return: Tue Oct 6 2015 Trip spans 7 days
Frontier
Frontier
SEA
3:25p
DEN
5:56p
2h 31m
nonstop
DEN
6:25a
SEA
9:22a
2h 57m
nonstop
Depart: Wed Oct 7 2015 Return: Tue Oct 13 2015 Trip spans 7 days
Frontier
Frontier
SEA
3:25p
DEN
5:56p
2h 31m
nonstop
DEN
3:55a
SEA
6:48a
2h 53m
nonstop
Depart: Tue Oct 13 2015 Return: Tue Oct 20 2015 Trip spans 8 days
Frontier
Frontier
SEA
6:35a
DEN
9:10a
2h 35m
nonstop
DEN
3:55a
SEA
6:48a
2h 53m
nonstop
Depart: Tue Oct 20 2015 Return: Wed Oct 21 2015 Trip spans 2 days
Frontier
Frontier
SEA
6:35a
DEN
9:10a
2h 35m
nonstop
DEN
6:25a
SEA
9:22a
2h 57m
nonstop
Depart: Wed Oct 21 2015 Return: Tue Oct 27 2015 Trip spans 7 days
Frontier
Frontier
SEA
3:25p
DEN
5:56p
2h 31m
nonstop
DEN
12:40p
SEA
3:35p
2h 55m
nonstop
Depart: Thu Sep 24 2015 Return: Mon Sep 28 2015 Trip spans 5 days
United
United
SEA
2:13p
DEN
4:46p
2h 33m
nonstop
DEN
3:55a
SEA
6:49a
2h 54m
nonstop
Depart: Sat Sep 26 2015 Return: Mon Sep 28 2015 Trip spans 3 days
Delta
Delta
SEA
3:45a
DEN
6:27a
2h 42m
nonstop
DEN
8:00a
SEA
10:55a
2h 55m
nonstop
Depart: Sat Oct 10 2015 Return: Sat Oct 17 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
10:10a
DEN
12:50p
2h 40m
nonstop
DEN
2:45p
SEA
5:30p
2h 45m
nonstop
Depart: Wed Aug 5 2015 Return: Tue Aug 25 2015 Trip spans 21 days
American Airlines
American Airlines
SEA
4:25a
DEN
10:04a
5h 39m
1 stop
DEN
10:45a
SEA
4:25p
5h 40m
1 stop
Depart: Wed Aug 12 2015 Return: Wed Aug 26 2015 Trip spans 15 days
US Airways
US Airways
SEA
2:00p
DEN
7:38p
5h 38m
1 stop
DEN
10:45a
SEA
4:25p
5h 40m
1 stop
Direct flights SEA to DEN on Delta
Flight # Depart SEA Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
5680 7:45 am 11:30 am Aug 18 - Aug 31
5785 7:45 am 11:27 am Sep 1 - Sep 11
5785 7:45 am 11:27 am Sep 5 - Sep 12
5680 7:50 am 11:35 am Aug 2 - Aug 17
5680 7:50 am 11:35 am Aug 1 - Aug 15
4595 10:35 am 2:19 pm Sep 6 - Sep 6
5735 10:35 am 2:20 pm Aug 3 - Aug 17
5735 10:40 am 2:24 pm Sep 1 - Sep 12
4470 10:50 am 2:37 pm Aug 15 - Aug 15
5735 10:50 am 2:20 pm Aug 18 - Aug 28
5735 10:50 am 2:20 pm Aug 29 - Aug 29
5735 10:50 am 2:20 pm Aug 30 - Aug 31
5761 1:35 pm 5:17 pm Sep 1 - Sep 8
4636 1:50 pm 5:35 pm Aug 1 - Aug 15
5761 1:50 pm 5:39 pm Aug 2 - Aug 17
5761 1:55 pm 5:25 pm Aug 18 - Aug 31
5778 5:15 pm 9:01 pm Aug 18 - Aug 31
5778 5:15 pm 8:56 pm Sep 1 - Sep 8
5778 5:15 pm 8:56 pm Sep 6 - Sep 11
5778 5:15 pm 9:01 pm Aug 2 - Aug 17
5778 5:15 pm 9:01 pm Aug 1 - Aug 15
5783 6:55 pm 10:39 pm Sep 1 - Sep 12
5783 7:05 pm 10:47 pm Sep 6 - Sep 6
4588 7:35 pm 11:21 pm Aug 2 - Aug 17
5783 7:35 pm 11:22 pm Aug 1 - Aug 15
4637 7:40 pm 11:26 pm Aug 18 - Aug 31
5783 7:40 pm 11:27 pm Aug 22 - Aug 29
Airports
Origin

Seattle
$158
Destination

Denver
$158