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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 Apr 28 2015 Return: Fri May 1 2015 Trip spans 4 days
Frontier
Frontier
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Wed Apr 29 2015 Return: Fri May 1 2015 Trip spans 3 days
Frontier
Frontier
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Sat May 2 2015 Return: Tue May 5 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 Apr 2 2015 Return: Wed Apr 15 2015 Trip spans 14 days
Frontier
Frontier
DEN
12:29p
SEA
3:20p
2h 51m
nonstop
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
Depart: Tue Apr 21 2015 Return: Sat Apr 25 2015 Trip spans 5 days
Frontier
Frontier
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
Depart: Wed Apr 22 2015 Return: Sat Apr 25 2015 Trip spans 4 days
Frontier
Frontier
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
Depart: Sat Apr 25 2015 Return: Wed Apr 29 2015 Trip spans 5 days
Frontier
Frontier
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
Depart: Mon May 4 2015 Return: Tue May 5 2015 Trip spans 2 days
Frontier
Frontier
DEN
3:45a
SEA
6:32a
2h 47m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Tue May 5 2015 Return: Mon May 11 2015 Trip spans 7 days
Frontier
Frontier
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Sat May 9 2015 Return: Mon May 11 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: Mon May 11 2015 Return: Tue May 12 2015 Trip spans 2 days
Frontier
Frontier
DEN
3:45a
SEA
6:32a
2h 47m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Wed May 13 2015 Return: Tue May 19 2015 Trip spans 7 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: Wed May 27 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: Sat May 16 2015 Return: Tue May 19 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: Wed Apr 15 2015 Return: Sat Apr 25 2015 Trip spans 11 days
Frontier
Frontier
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
Depart: Thu Apr 30 2015 Return: Sat May 2 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
DEN
9:00a
SEA
11:49a
2h 49m
nonstop
SEA
4:30p
DEN
6:56p
2h 26m
nonstop
Depart: Wed Jun 3 2015 Return: Sat Jun 6 2015 Trip spans 4 days
United
United
DEN
6:04p
SEA
8:56p
2h 52m
nonstop
SEA
1:25a
DEN
3:59a
2h 34m
nonstop
Depart: Fri Jun 5 2015 Return: Mon Jun 8 2015 Trip spans 4 days
Delta
Delta
DEN
2:59p
SEA
5:52p
2h 53m
nonstop
SEA
6:50a
DEN
9:20a
2h 30m
nonstop
Depart: Tue Sep 8 2015 Return: Mon Sep 14 2015 Trip spans 7 days
American Airlines
American Airlines
DEN
9:10p
SEA
6:55a
9h 45m
1 stop
SEA
4:25p
DEN
7:02p
2h 37m
nonstop
Depart: Fri Sep 11 2015 Return: Tue Sep 15 2015 Trip spans 5 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 American Airlines
Flight # Depart DEN Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
6920 6:00 am 7:43 am May 3 - Jun 6
6920 6:00 am 7:46 am Apr 5 - May 2
6845 8:00 am 9:45 am Apr 5 - May 2
6845 8:00 am 9:44 am May 3 - Jun 6
6917 11:05 am 12:59 pm Apr 5 - May 2
6917 11:05 am 12:47 pm May 3 - Jun 6
7078 1:00 pm 2:49 pm Apr 5 - May 1
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 7:35 pm May 3 - Jun 6
6850 5:50 pm 7:44 pm Apr 5 - May 2
Airports
Origin

Denver
$138
Destination

Seattle
$138