Browse Origins:
Browse Destinations:

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: Mon Jan 12 2015 Return: Sat Jan 17 2015 Trip spans 6 days
Frontier
Frontier
DEN
2:40a
SEA
5:33a
2h 53m
nonstop
SEA
2:55p
DEN
5:23p
2h 28m
nonstop
Depart: Sat Jan 17 2015 Return: Tue Jan 20 2015 Trip spans 4 days
Frontier
Frontier
DEN
12:22p
SEA
3:15p
2h 53m
nonstop
SEA
2:45p
DEN
5:13p
2h 28m
nonstop
Depart: Wed Jan 21 2015 Return: Sat Jan 24 2015 Trip spans 4 days
Frontier
Frontier
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
SEA
2:55p
DEN
5:23p
2h 28m
nonstop
Depart: Sat Jan 24 2015 Return: Tue Jan 27 2015 Trip spans 4 days
Frontier
Frontier
DEN
12:22p
SEA
3:15p
2h 53m
nonstop
SEA
2:50p
DEN
5:18p
2h 28m
nonstop
Depart: Tue Jan 27 2015 Return: Sat Jan 31 2015 Trip spans 5 days
Frontier
Frontier
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
SEA
2:55p
DEN
5:23p
2h 28m
nonstop
Depart: Wed Jan 28 2015 Return: Sat Jan 31 2015 Trip spans 4 days
Frontier
Frontier
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
SEA
2:55p
DEN
5:23p
2h 28m
nonstop
Depart: Sat Jan 31 2015 Return: Tue Feb 3 2015 Trip spans 4 days
Frontier
Frontier
DEN
12:22p
SEA
3:15p
2h 53m
nonstop
SEA
2:50p
DEN
5:18p
2h 28m
nonstop
Depart: Mon Feb 16 2015 Return: Sat Feb 21 2015 Trip spans 6 days
Frontier
Frontier
DEN
2:40a
SEA
5:33a
2h 53m
nonstop
SEA
2:55p
DEN
5:23p
2h 28m
nonstop
Depart: Wed Feb 18 2015 Return: Sat Feb 21 2015 Trip spans 4 days
Frontier
Frontier
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
SEA
2:55p
DEN
5:23p
2h 28m
nonstop
Depart: Mon Feb 23 2015 Return: Sat Feb 28 2015 Trip spans 6 days
Frontier
Frontier
DEN
2:40a
SEA
5:33a
2h 53m
nonstop
SEA
2:55p
DEN
5:23p
2h 28m
nonstop
Depart: Wed Feb 25 2015 Return: Sat Feb 28 2015 Trip spans 4 days
Frontier
Frontier
DEN
2:40a
SEA
5:33a
2h 53m
nonstop
SEA
2:55p
DEN
5:23p
2h 28m
nonstop
Depart: Mon Mar 2 2015 Return: Tue Mar 10 2015 Trip spans 8 days
Frontier
Frontier
DEN
2:49a
SEA
5:37a
2h 48m
nonstop
SEA
3:25p
DEN
5:53p
2h 28m
nonstop
Depart: Tue Mar 3 2015 Return: Tue Mar 10 2015 Trip spans 7 days
Frontier
Frontier
DEN
2:49a
SEA
5:37a
2h 48m
nonstop
SEA
3:25p
DEN
5:53p
2h 28m
nonstop
Depart: Wed Mar 4 2015 Return: Tue Mar 10 2015 Trip spans 6 days
Frontier
Frontier
DEN
11:50a
SEA
2:37p
2h 47m
nonstop
SEA
3:25p
DEN
5:53p
2h 28m
nonstop
Depart: Thu Mar 19 2015 Return: Tue Mar 24 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
DEN
7:05a
SEA
9:55a
2h 50m
nonstop
SEA
3:25p
DEN
5:53p
2h 28m
nonstop
Depart: Sat May 23 2015 Return: Sat May 30 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
DEN
1:50p
SEA
4:35p
2h 45m
nonstop
SEA
4:30a
DEN
7:08a
2h 38m
nonstop
Depart: Wed May 27 2015 Return: Sat May 30 2015 Trip spans 4 days
United
United
DEN
4:36a
SEA
7:39a
3h 03m
nonstop
SEA
1:45a
DEN
4:20a
2h 35m
nonstop
Depart: Thu Jun 4 2015 Return: Tue Jun 9 2015 Trip spans 6 days
Delta
Delta
DEN
8:35a
SEA
11:30a
2h 55m
nonstop
SEA
4:30a
DEN
7:05a
2h 35m
nonstop
Depart: Sun Jun 7 2015 Return: Tue Jun 16 2015 Trip spans 10 days
American Airlines
American Airlines
DEN
3:00a
SEA
5:55a
2h 55m
nonstop
SEA
4:25p
DEN
7:02p
2h 37m
nonstop
Depart: Tue Jun 30 2015 Return: Wed Jul 8 2015 Trip spans 9 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
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 8:10 am Jan 10 - Jan 10
7651 6:00 am 8:10 am Jan 2 - Jan 9
7651 6:00 am 8:10 am Dec 30 - Jan 6
7651 6:00 am 8:05 am Jan 11 - Jan 17
7651 6:00 am 8:05 am Jan 12 - Feb 5
7651 6:00 am 8:10 am Dec 22 - Dec 28
7651 6:00 am 8:10 am Dec 25 - Dec 31
7651 6:00 am 8:05 am Jan 24 - Jan 31
7631 8:00 am 10:05 am Jan 19 - Jan 22
7631 8:00 am 10:05 am Jan 23 - Jan 31
7631 8:00 am 10:05 am Jan 12 - Jan 18
7631 8:00 am 10:05 am Jan 11 - Jan 15
7631 8:00 am 10:11 am Jan 9 - Jan 10
7631 8:00 am 10:11 am Jan 1 - Jan 8
7631 8:00 am 10:11 am Dec 26 - Jan 5
7631 8:00 am 10:11 am Dec 24 - Dec 30
9222 12:00 pm 1:54 pm Jan 16 - Feb 5
9222 12:00 pm 1:54 pm Jan 6 - Jan 15
9222 12:00 pm 1:54 pm Jan 5 - Jan 10
9222 12:00 pm 1:54 pm Dec 15 - Dec 26
9222 12:00 pm 1:54 pm Dec 29 - Jan 2
9222 12:00 pm 1:54 pm Dec 24 - Jan 4
9222 12:00 pm 1:54 pm Jan 17 - Jan 31
7660 5:50 pm 7:50 pm Jan 24 - Feb 7
7660 5:50 pm 7:50 pm Jan 6 - Jan 12
7660 5:50 pm 7:50 pm Jan 5 - Jan 5
7660 5:50 pm 7:50 pm Jan 14 - Jan 23
7660 5:50 pm 7:50 pm Jan 13 - Jan 17
7660 6:00 pm 8:01 pm Dec 20 - Dec 27
7660 6:00 pm 8:01 pm Jan 3 - Jan 3
7660 6:00 pm 8:01 pm Jan 4 - Jan 4
7660 6:00 pm 8:01 pm Dec 18 - Jan 2
Airports
Origin

Denver
$145
Destination

Seattle
$145