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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: Thu Mar 12 2015 Return: Tue Mar 17 2015 Trip spans 6 days
Frontier
Frontier
DEN
12:29p
SEA
3:20p
2h 51m
nonstop
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
Depart: Mon Mar 30 2015 Return: Tue Apr 7 2015 Trip spans 9 days
Frontier
Frontier
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
Depart: Wed Apr 1 2015 Return: Tue Apr 7 2015 Trip spans 7 days
Frontier
Frontier
DEN
12:29p
SEA
3:20p
2h 51m
nonstop
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
Depart: Sat May 2 2015 Return: Mon May 4 2015 Trip spans 3 days
Frontier
Frontier
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Tue May 5 2015 Return: Tue May 12 2015 Trip spans 8 days
Frontier
Frontier
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Wed May 6 2015 Return: Sat May 9 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: 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: Tue May 12 2015 Return: Wed May 13 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: Mon May 18 2015 Trip spans 6 days
Frontier
Frontier
DEN
3:45a
SEA
6:32a
2h 47m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Tue Apr 7 2015 Return: Mon Apr 13 2015 Trip spans 7 days
Frontier
Frontier
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
Depart: Wed Apr 8 2015 Return: Tue Apr 14 2015 Trip spans 7 days
Frontier
Frontier
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
Depart: Mon Apr 13 2015 Return: Sat Apr 18 2015 Trip spans 6 days
Frontier
Frontier
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
Depart: Tue Apr 14 2015 Return: Tue May 12 2015 Trip spans 29 days
Frontier
Frontier
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
SEA
3:40p
DEN
6:10p
2h 30m
nonstop
Depart: Wed Apr 15 2015 Return: Wed Apr 22 2015 Trip spans 8 days
Frontier
Frontier
DEN
1:09p
SEA
4:00p
2h 51m
nonstop
SEA
3:45p
DEN
6:10p
2h 25m
nonstop
Depart: Wed Mar 18 2015 Return: Tue Mar 24 2015 Trip spans 7 days
United
United
DEN
7:14a
SEA
10:13a
2h 59m
nonstop
SEA
1:25a
DEN
4:02a
2h 37m
nonstop
Depart: Sat Mar 28 2015 Return: Tue Mar 31 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
DEN
2:00a
SEA
4:58a
2h 58m
nonstop
SEA
2:40a
DEN
5:14a
2h 34m
nonstop
Depart: Mon May 18 2015 Return: Sat May 23 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
DEN
4:30p
SEA
7:19p
2h 49m
nonstop
SEA
1:24a
DEN
4:00a
2h 36m
nonstop
Depart: Thu Jun 4 2015 Return: Mon Jun 8 2015 Trip spans 5 days
Delta
Delta
DEN
6:30a
SEA
9:25a
2h 55m
nonstop
SEA
1:15p
DEN
3:50p
2h 35m
nonstop
Depart: Sat Jul 11 2015 Return: Sun Jul 12 2015 Trip spans 2 days
American Airlines
American Airlines
DEN
4:00a
SEA
6:49a
2h 49m
nonstop
SEA
4:30p
DEN
6:59p
2h 29m
nonstop
Depart: Sun Apr 26 2015 Return: Mon May 4 2015 Trip spans 9 days
US Airways
US Airways
DEN
9:25p
SEA
7:08a
9h 43m
1 stop
SEA
4:25a
DEN
10:03a
5h 38m
1 stop
Change your search
Direct flights DEN to SEA on American Airlines
Flight # Depart DEN Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
6917 6:00 am 8:09 am Mar 5 - Mar 7
6920 6:00 am 7:46 am Apr 5 - May 2
6920 6:00 am 7:58 am Mar 8 - Apr 4
6845 8:00 am 9:59 am Mar 8 - Apr 4
6845 8:00 am 9:45 am Apr 5 - May 2
6920 8:00 am 10:09 am Mar 5 - Mar 7
6917 11:05 am 12:55 pm Mar 8 - Apr 4
6917 11:05 am 12:59 pm Apr 5 - May 2
7078 12:00 pm 1:57 pm Mar 5 - Mar 7
7078 1:00 pm 2:49 pm Apr 5 - May 1
7078 1:00 pm 2:53 pm Mar 8 - Apr 3
6850 5:50 pm 7:44 pm Apr 5 - May 2
6850 5:50 pm 7:45 pm Mar 8 - Apr 4
6850 5:50 pm 7:57 pm Mar 5 - Mar 7
Airports
Origin

Denver
$145
Destination

Seattle
$145