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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 May 12 2015 Return: Wed May 13 2015 Trip spans 2 days
Frontier
Frontier
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Wed May 13 2015 Return: Wed May 20 2015 Trip spans 8 days
Frontier
Frontier
DEN
3:45a
SEA
6:32a
2h 47m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Tue May 19 2015 Return: Sat May 23 2015 Trip spans 5 days
Frontier
Frontier
DEN
3:45a
SEA
6:32a
2h 47m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Wed May 20 2015 Return: Sat May 23 2015 Trip spans 4 days
Frontier
Frontier
DEN
3:45a
SEA
6:32a
2h 47m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Tue Sep 22 2015 Return: Wed Sep 23 2015 Trip spans 2 days
Frontier
Frontier
DEN
4:15p
SEA
7:07p
2h 52m
nonstop
SEA
3:35p
DEN
6:04p
2h 29m
nonstop
Depart: Tue Sep 29 2015 Return: Sat Oct 3 2015 Trip spans 5 days
Frontier
Frontier
DEN
3:54a
SEA
6:45a
2h 51m
nonstop
SEA
3:25p
DEN
5:54p
2h 29m
nonstop
Depart: Sat May 9 2015 Return: Tue May 12 2015 Trip spans 4 days
Frontier
Frontier
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Thu May 28 2015 Return: Sat May 30 2015 Trip spans 3 days
Frontier
Frontier
DEN
3:45a
SEA
6:32a
2h 47m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Sat Sep 12 2015 Return: Tue Sep 15 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: Wed Sep 16 2015 Return: Sat Sep 19 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 19 2015 Return: Mon Sep 21 2015 Trip spans 3 days
Frontier
Frontier
DEN
4:15p
SEA
7:07p
2h 52m
nonstop
SEA
3:35p
DEN
6:04p
2h 29m
nonstop
Depart: Wed Oct 14 2015 Return: Sun Oct 18 2015 Trip spans 5 days
Frontier
Frontier
DEN
3:54a
SEA
6:45a
2h 51m
nonstop
SEA
3:25p
DEN
5:54p
2h 29m
nonstop
Depart: Fri May 8 2015 Return: Tue May 12 2015 Trip spans 5 days
Frontier
Frontier
DEN
3:45a
SEA
6:32a
2h 47m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Thu May 14 2015 Return: Tue May 19 2015 Trip spans 6 days
Frontier
Frontier
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Fri May 15 2015 Return: Sat May 23 2015 Trip spans 9 days
Frontier
Frontier
DEN
3:45a
SEA
6:32a
2h 47m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Wed Jun 10 2015 Return: Tue Jun 16 2015 Trip spans 7 days
American Airlines
American Airlines
DEN
4:00a
SEA
6:49a
2h 49m
nonstop
SEA
4:30p
DEN
6:59p
2h 29m
nonstop
Depart: Wed Jun 24 2015 Return: Fri Jul 3 2015 Trip spans 10 days
Delta
Delta
DEN
8:00a
SEA
10:55a
2h 55m
nonstop
SEA
3:35p
DEN
6:22p
2h 47m
nonstop
Depart: Sat Aug 15 2015 Return: Tue Aug 18 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
DEN
2:50p
SEA
5:35p
2h 45m
nonstop
SEA
2:35a
DEN
5:10a
2h 35m
nonstop
Depart: Mon Aug 17 2015 Return: Tue Aug 18 2015 Trip spans 2 days
United
United
DEN
6:09p
SEA
8:57p
2h 48m
nonstop
SEA
1:50p
DEN
4:22p
2h 32m
nonstop
Depart: Tue Apr 28 2015 Return: Tue May 12 2015 Trip spans 15 days
US Airways
US Airways
DEN
8:17a
SEA
1:52p
5h 35m
1 stop
SEA
4:25a
DEN
10:03a
5h 38m
1 stop
Direct flights DEN to SEA on American Airlines
Flight # Depart DEN Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
6920 6:00 am 7:46 am Apr 7 - May 2
6920 6:00 am 7:43 am May 3 - Jun 6
6845 8:00 am 9:44 am May 3 - Jun 6
6845 8:00 am 9:45 am Apr 7 - May 2
6917 11:05 am 12:59 pm Apr 7 - May 2
6917 11:05 am 12:47 pm May 3 - Jun 6
7078 1:00 pm 2:43 pm May 3 - Jun 6
7078 1:00 pm 2:49 pm May 2 - May 2
6850 5:50 pm 7:44 pm Apr 7 - May 2
6850 5:50 pm 7:35 pm May 3 - Jun 6
Airports
Origin

Denver
$145
Destination

Seattle
$145