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

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: Tue Sep 1 2015 Return: Tue Sep 8 2015 Trip spans 8 days
Frontier
Frontier
DEN
4:30p
SEA
7:15p
2h 45m
nonstop
SEA
3:35p
DEN
6:04p
2h 29m
nonstop
Depart: Wed Sep 2 2015 Return: Tue Sep 8 2015 Trip spans 7 days
Frontier
Frontier
DEN
4:15p
SEA
7:07p
2h 52m
nonstop
SEA
3:35p
DEN
6:04p
2h 29m
nonstop
Depart: Tue Sep 8 2015 Return: Sat Sep 12 2015 Trip spans 5 days
Frontier
Frontier
DEN
4:15p
SEA
7:07p
2h 52m
nonstop
SEA
3:35p
DEN
6:04p
2h 29m
nonstop
Depart: Wed Sep 9 2015 Return: Sat Sep 12 2015 Trip spans 4 days
Frontier
Frontier
DEN
4:15p
SEA
7:07p
2h 52m
nonstop
SEA
3:35p
DEN
6:04p
2h 29m
nonstop
Depart: Sat Sep 12 2015 Return: Tue Sep 15 2015 Trip spans 4 days
Frontier
Frontier
DEN
3:54a
SEA
6:45a
2h 51m
nonstop
SEA
3:35p
DEN
6:04p
2h 29m
nonstop
Depart: Wed Sep 16 2015 Return: Tue Sep 22 2015 Trip spans 7 days
Frontier
Frontier
DEN
4:15p
SEA
7:07p
2h 52m
nonstop
SEA
6:30a
DEN
9:03a
2h 33m
nonstop
Depart: Tue Sep 22 2015 Return: Sat Sep 26 2015 Trip spans 5 days
Frontier
Frontier
DEN
4:15p
SEA
7:07p
2h 52m
nonstop
SEA
3:35p
DEN
6:04p
2h 29m
nonstop
Depart: Wed Sep 23 2015 Return: Sat Sep 26 2015 Trip spans 4 days
Frontier
Frontier
DEN
4:15p
SEA
7:07p
2h 52m
nonstop
SEA
6:30a
DEN
9:03a
2h 33m
nonstop
Depart: Sat Sep 26 2015 Return: Tue Sep 29 2015 Trip spans 4 days
Frontier
Frontier
DEN
3:54a
SEA
6:45a
2h 51m
nonstop
SEA
3:25p
DEN
5:54p
2h 29m
nonstop
Depart: Wed Sep 30 2015 Return: Sat Oct 3 2015 Trip spans 4 days
Frontier
Frontier
DEN
6:15a
SEA
9:08a
2h 53m
nonstop
SEA
8:48a
DEN
11:20a
2h 32m
nonstop
Depart: Sat Oct 3 2015 Return: Tue Oct 6 2015 Trip spans 4 days
Frontier
Frontier
DEN
3:54a
SEA
6:45a
2h 51m
nonstop
SEA
3:25p
DEN
5:54p
2h 29m
nonstop
Depart: Wed Oct 7 2015 Return: Sat Oct 10 2015 Trip spans 4 days
Frontier
Frontier
DEN
6:15a
SEA
9:08a
2h 53m
nonstop
SEA
6:30a
DEN
9:03a
2h 33m
nonstop
Depart: Tue Oct 13 2015 Return: Sat Oct 17 2015 Trip spans 5 days
Frontier
Frontier
DEN
3:54a
SEA
6:45a
2h 51m
nonstop
SEA
6:30a
DEN
9:03a
2h 33m
nonstop
Depart: Wed Oct 14 2015 Return: Sat Oct 17 2015 Trip spans 4 days
Frontier
Frontier
DEN
6:15a
SEA
9:08a
2h 53m
nonstop
SEA
6:30a
DEN
9:03a
2h 33m
nonstop
Depart: Sat Oct 17 2015 Return: Tue Oct 20 2015 Trip spans 4 days
Frontier
Frontier
DEN
6:15a
SEA
9:08a
2h 53m
nonstop
SEA
3:25p
DEN
5:54p
2h 29m
nonstop
Depart: Wed Jun 17 2015 Return: Wed Jul 8 2015 Trip spans 22 days
Delta
Delta
DEN
8:00a
SEA
10:55a
2h 55m
nonstop
SEA
1:15p
DEN
4:01p
2h 46m
nonstop
Depart: Tue Jun 23 2015 Return: Fri Jul 3 2015 Trip spans 11 days
Alaska Airlines
Alaska Airlines
DEN
2:00a
SEA
4:40a
2h 40m
nonstop
SEA
4:30p
DEN
6:59p
2h 29m
nonstop
Depart: Tue Jul 14 2015 Return: Wed Jul 22 2015 Trip spans 9 days
American Airlines
American Airlines
DEN
2:00a
SEA
4:40a
2h 40m
nonstop
SEA
4:30p
DEN
6:59p
2h 29m
nonstop
Depart: Fri Jul 24 2015 Return: Sat Jul 25 2015 Trip spans 2 days
United
United
DEN
1:30a
SEA
6:43a
5h 13m
1 stop
SEA
1:25a
DEN
3:58a
2h 33m
nonstop
Depart: Tue Sep 15 2015 Return: Tue Sep 22 2015 Trip spans 8 days
US Airways
US Airways
DEN
9:10p
SEA
6:55a
9h 45m
1 stop
SEA
1:15a
DEN
6:26a
5h 11m
1 stop
Direct flights DEN to SEA on Delta
Flight # Depart DEN Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
5682 8:00 am 9:53 am Jun 5 - Jun 26
5682 8:00 am 9:53 am Jun 30 - Jun 30
5682 8:00 am 9:53 am Jun 29 - Jun 29
4562 8:15 am 10:07 am Jun 28 - Jun 28
4562 8:15 am 10:07 am Jun 4 - Jun 4
4562 8:15 am 10:07 am Jun 6 - Jun 27
5682 8:15 am 10:08 am Jul 1 - Jul 10
5751 10:30 am 12:25 pm Jun 4 - Jul 3
5680 12:00 pm 1:55 pm Jun 4 - Jun 27
5680 12:05 pm 2:00 pm Jul 1 - Jul 9
5680 1:00 pm 2:54 pm Jul 3 - Jul 3
4483 1:10 pm 3:03 pm Jun 29 - Jun 29
4483 4:59 pm 6:54 pm Jun 30 - Jun 30
4483 4:59 pm 6:54 pm Jun 4 - Jun 28
4501 4:59 pm 6:54 pm Jul 1 - Jul 9
5838 6:59 pm 8:52 pm Jun 4 - Jun 30
5840 6:59 pm 8:52 pm Jul 1 - Jul 10
Airports
Origin

Denver
$178
Destination

Seattle
$178