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

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 Denver International to Seattle/Tacoma Intl

(Round-trip)
Depart: Sat Sep 12 2015 Return: Thu Sep 17 2015 Trip spans 6 days
Frontier
Frontier
DEN
4:15p
SEA
7:09p
2h 54m
nonstop
SEA
3:35p
DEN
6:06p
2h 31m
nonstop
Depart: Mon Sep 14 2015 Return: Thu Oct 22 2015 Trip spans 39 days
Frontier
Frontier
DEN
3:55a
SEA
6:48a
2h 53m
nonstop
SEA
9:12a
DEN
11:46a
2h 34m
nonstop
Depart: Thu Sep 17 2015 Return: Mon Sep 28 2015 Trip spans 12 days
Frontier
Frontier
DEN
4:15p
SEA
7:09p
2h 54m
nonstop
SEA
3:25p
DEN
5:56p
2h 31m
nonstop
Depart: Sat Sep 19 2015 Return: Mon Sep 28 2015 Trip spans 10 days
Frontier
Frontier
DEN
4:15p
SEA
7:09p
2h 54m
nonstop
SEA
3:25p
DEN
5:56p
2h 31m
nonstop
Depart: Tue Sep 22 2015 Return: Wed Sep 23 2015 Trip spans 2 days
Frontier
Frontier
DEN
4:15p
SEA
7:09p
2h 54m
nonstop
SEA
3:35p
DEN
6:06p
2h 31m
nonstop
Depart: Wed Sep 23 2015 Return: Sat Sep 26 2015 Trip spans 4 days
Frontier
Frontier
DEN
3:55a
SEA
6:48a
2h 53m
nonstop
SEA
3:35p
DEN
6:06p
2h 31m
nonstop
Depart: Sat Sep 26 2015 Return: Tue Oct 6 2015 Trip spans 11 days
Frontier
Frontier
DEN
3:55a
SEA
6:48a
2h 53m
nonstop
SEA
3:25p
DEN
5:56p
2h 31m
nonstop
Depart: Mon Sep 28 2015 Return: Sat Oct 3 2015 Trip spans 6 days
Frontier
Frontier
DEN
6:25a
SEA
9:22a
2h 57m
nonstop
SEA
9:05a
DEN
11:39a
2h 34m
nonstop
Depart: Tue Sep 29 2015 Return: Mon Oct 5 2015 Trip spans 7 days
Frontier
Frontier
DEN
6:25a
SEA
9:22a
2h 57m
nonstop
SEA
3:25p
DEN
5:56p
2h 31m
nonstop
Depart: Wed Sep 30 2015 Return: Tue Oct 6 2015 Trip spans 7 days
Frontier
Frontier
DEN
12:45p
SEA
3:40p
2h 55m
nonstop
SEA
9:12a
DEN
11:46a
2h 34m
nonstop
Depart: Thu Oct 1 2015 Return: Wed Oct 7 2015 Trip spans 7 days
Frontier
Frontier
DEN
6:25a
SEA
9:22a
2h 57m
nonstop
SEA
9:12a
DEN
11:46a
2h 34m
nonstop
Depart: Tue Oct 6 2015 Return: Sat Oct 10 2015 Trip spans 5 days
Frontier
Frontier
DEN
12:45p
SEA
3:40p
2h 55m
nonstop
SEA
3:25p
DEN
5:56p
2h 31m
nonstop
Depart: Wed Oct 7 2015 Return: Sat Oct 10 2015 Trip spans 4 days
Frontier
Frontier
DEN
12:45p
SEA
3:40p
2h 55m
nonstop
SEA
3:25p
DEN
5:56p
2h 31m
nonstop
Depart: Thu Oct 8 2015 Return: Tue Oct 13 2015 Trip spans 6 days
Frontier
Frontier
DEN
3:55a
SEA
6:48a
2h 53m
nonstop
SEA
6:35a
DEN
9:10a
2h 35m
nonstop
Depart: Sat Oct 24 2015 Return: Mon Oct 26 2015 Trip spans 3 days
Frontier
Frontier
DEN
12:45p
SEA
3:40p
2h 55m
nonstop
SEA
3:25p
DEN
5:52p
2h 27m
nonstop
Depart: Mon Nov 16 2015 Return: Thu Nov 19 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
DEN
10:55a
SEA
1:59p
3h 04m
nonstop
SEA
2:55p
DEN
5:17p
2h 22m
nonstop
Depart: Tue Nov 17 2015 Return: Mon Nov 23 2015 Trip spans 7 days
Delta
Delta
DEN
5:30a
SEA
8:36a
3h 06m
nonstop
SEA
1:25p
DEN
4:00p
2h 35m
nonstop
Depart: Tue Dec 15 2015 Return: Thu Dec 31 2015 Trip spans 17 days
United
United
DEN
1:45p
SEA
8:45p
7h 00m
1 stop
SEA
12:45a
DEN
3:20a
2h 35m
nonstop
Depart: Thu Sep 3 2015 Return: Wed Sep 23 2015 Trip spans 21 days
American Airlines
American Airlines
DEN
10:45a
SEA
4:25p
5h 40m
1 stop
SEA
2:00p
DEN
7:34p
5h 34m
1 stop
Depart: Fri Sep 4 2015 Return: Sat Sep 26 2015 Trip spans 23 days
US Airways
US Airways
DEN
4:00a
SEA
10:24a
6h 24m
1 stop
SEA
4:25a
DEN
10:02a
5h 37m
1 stop
Direct flights DEN to SEA on Delta
Flight # Depart DEN Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
4703 8:00 am 9:58 am Oct 2 - Oct 22
5682 8:00 am 9:58 am Oct 1 - Oct 1
5682 8:10 am 10:04 am Sep 2 - Sep 30
5751 10:30 am 12:28 pm Oct 1 - Oct 18
4592 10:32 am 12:28 pm Oct 3 - Oct 10
4684 10:32 am 12:28 pm Oct 7 - Oct 13
4684 10:32 am 12:28 pm Oct 6 - Oct 6
4684 10:32 am 12:28 pm Oct 2 - Oct 16
5751 10:33 am 12:30 pm Sep 1 - Sep 30
5743 12:00 pm 1:55 pm Oct 6 - Oct 6
5743 12:00 pm 1:55 pm Oct 1 - Oct 12
5785 12:00 pm 1:55 pm Sep 19 - Sep 19
5785 12:00 pm 1:55 pm Sep 13 - Sep 25
5785 12:00 pm 1:55 pm Sep 5 - Sep 12
5785 12:00 pm 1:55 pm Sep 1 - Sep 11
5785 12:00 pm 1:55 pm Sep 26 - Sep 30
5779 4:54 pm 6:50 pm Oct 1 - Oct 20
5779 4:59 pm 6:53 pm Sep 12 - Sep 30
5779 4:59 pm 6:53 pm Sep 1 - Sep 8
5770 7:10 pm 9:06 pm Oct 1 - Oct 28
5848 7:20 pm 9:15 pm Sep 13 - Sep 30
5848 7:20 pm 9:15 pm Sep 1 - Sep 12
Airports
Origin

Denver
$98
Destination

Seattle
$98