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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: Wed Feb 11 2015 Return: Tue Feb 17 2015 Trip spans 7 days
Frontier
Frontier
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
SEA
2:50p
DEN
5:18p
2h 28m
nonstop
Depart: Wed Feb 18 2015 Return: Tue Mar 24 2015 Trip spans 34 days
Frontier
Frontier
DEN
2:40a
SEA
5:33a
2h 53m
nonstop
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
Depart: Wed Mar 18 2015 Return: Tue Mar 24 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: Tue Mar 24 2015 Return: Tue Mar 31 2015 Trip spans 8 days
Frontier
Frontier
DEN
12:29p
SEA
3:20p
2h 51m
nonstop
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
Depart: Wed Mar 25 2015 Return: Tue Mar 31 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: Tue Mar 31 2015 Return: Wed Apr 1 2015 Trip spans 2 days
Frontier
Frontier
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
Depart: Sat Mar 7 2015 Return: Tue Mar 10 2015 Trip spans 3 days
Frontier
Frontier
DEN
11:29a
SEA
2:20p
2h 51m
nonstop
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
Depart: Sat May 2 2015 Return: Sun May 10 2015 Trip spans 9 days
Frontier
Frontier
DEN
5:15p
SEA
8:01p
2h 46m
nonstop
SEA
3:30p
DEN
5:58p
2h 28m
nonstop
Depart: Wed May 6 2015 Return: Mon May 18 2015 Trip spans 13 days
Frontier
Frontier
DEN
5:15p
SEA
8:01p
2h 46m
nonstop
SEA
3:30p
DEN
5:58p
2h 28m
nonstop
Depart: Wed May 13 2015 Return: Sat May 16 2015 Trip spans 4 days
Frontier
Frontier
DEN
3:55a
SEA
6:43a
2h 48m
nonstop
SEA
3:30p
DEN
5:58p
2h 28m
nonstop
Depart: Tue Mar 3 2015 Return: Wed Mar 4 2015 Trip spans 2 days
Frontier
Frontier
DEN
11:50a
SEA
2:37p
2h 47m
nonstop
SEA
2:25p
DEN
4:53p
2h 28m
nonstop
Depart: Wed Mar 4 2015 Return: Sat Mar 7 2015 Trip spans 4 days
Frontier
Frontier
DEN
2:49a
SEA
5:37a
2h 48m
nonstop
SEA
2:05p
DEN
4:30p
2h 25m
nonstop
Depart: Tue Mar 10 2015 Return: Wed Mar 11 2015 Trip spans 2 days
Frontier
Frontier
DEN
3:49a
SEA
6:40a
2h 51m
nonstop
SEA
3:05p
DEN
5:30p
2h 25m
nonstop
Depart: Tue May 5 2015 Return: Wed May 6 2015 Trip spans 2 days
Frontier
Frontier
DEN
5:15p
SEA
8:01p
2h 46m
nonstop
SEA
3:30p
DEN
5:58p
2h 28m
nonstop
Depart: Sat May 9 2015 Return: Sun May 10 2015 Trip spans 2 days
Frontier
Frontier
DEN
5:15p
SEA
8:01p
2h 46m
nonstop
SEA
3:30p
DEN
5:58p
2h 28m
nonstop
Depart: Sat Feb 21 2015 Return: Mon Feb 23 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
DEN
3:00a
SEA
6:09a
3h 09m
nonstop
SEA
2:50p
DEN
5:18p
2h 28m
nonstop
Depart: Sun Feb 8 2015 Return: Wed Feb 11 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
DEN
1:00a
SEA
4:09a
3h 09m
nonstop
SEA
3:35p
DEN
5:58p
2h 23m
nonstop
Depart: Thu Jun 4 2015 Return: Sat Jun 6 2015 Trip spans 3 days
Delta
Delta
DEN
12:59p
SEA
3:55p
2h 56m
nonstop
SEA
6:50a
DEN
9:25a
2h 35m
nonstop
Depart: Sat May 23 2015 Return: Mon May 25 2015 Trip spans 3 days
American Airlines
American Airlines
DEN
1:50p
SEA
4:35p
2h 45m
nonstop
SEA
9:20a
DEN
12:00p
2h 40m
nonstop
Depart: Fri May 22 2015 Return: Mon May 25 2015 Trip spans 4 days
United
United
DEN
5:55p
SEA
8:42p
2h 47m
nonstop
SEA
11:03a
DEN
1:33p
2h 30m
nonstop
Change your search
Direct flights DEN to SEA on Delta
Flight # Depart DEN Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
7651 6:00 am 8:05 am Jan 25 - Feb 5
7651 6:00 am 8:09 am Feb 21 - Feb 28
7651 6:00 am 8:09 am Feb 18 - Feb 18
7651 6:00 am 8:09 am Feb 9 - Feb 20
7651 6:00 am 8:05 am Feb 7 - Feb 7
7651 6:00 am 8:05 am Feb 6 - Feb 6
7651 6:00 am 8:09 am Feb 8 - Feb 14
7631 8:00 am 10:09 am Feb 13 - Feb 27
7631 8:00 am 10:05 am Jan 27 - Feb 5
7631 8:00 am 10:05 am Feb 6 - Feb 6
7631 8:00 am 10:05 am Feb 7 - Feb 7
7631 8:00 am 10:09 am Feb 8 - Feb 28
9222 12:00 pm 1:57 pm Feb 9 - Feb 27
9222 12:00 pm 1:57 pm Feb 8 - Feb 28
9222 12:00 pm 1:54 pm Jan 25 - Feb 6
9222 12:00 pm 1:54 pm Jan 24 - Feb 7
7660 5:50 pm 7:50 pm Jan 24 - Feb 6
7660 5:50 pm 7:50 pm Feb 7 - Feb 7
7660 5:50 pm 7:57 pm Feb 9 - Feb 27
7660 5:50 pm 7:57 pm Feb 8 - Feb 28
Airports
Origin

Denver
$138
Destination

Seattle
$138