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Find Flight Deals from Colorado Springs to Seattle/Tacoma Intl (COS - SEA)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Colorado Springs to Seattle/Tacoma Intl

(Round-trip)
Depart: Wed Feb 11 2015 Return: Thu Feb 26 2015 Trip spans 16 days
Delta
Delta
COS
1:20p
SEA
6:04p
4h 44m
1 stop
SEA
5:20a
COS
11:08a
5h 48m
1 stop
Depart: Thu Mar 5 2015 Return: Mon Mar 9 2015 Trip spans 4 days
Delta
Delta
COS
12:34p
SEA
7:00p
6h 26m
1 stop
SEA
12:21p
COS
4:37p
4h 16m
1 stop
Depart: Wed Feb 18 2015 Return: Sat Feb 21 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Sat Feb 21 2015 Return: Tue Feb 24 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Tue Feb 24 2015 Return: Tue Mar 3 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Wed Feb 25 2015 Return: Tue Mar 3 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Sat Feb 28 2015 Return: Tue Mar 3 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Tue Feb 17 2015 Return: Tue Mar 3 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
COS
12:35p
SEA
7:28p
6h 53m
1 stop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Sun Feb 15 2015 Return: Tue Feb 17 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Thu Feb 19 2015 Return: Sat Feb 21 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Fri Feb 20 2015 Return: Sat Feb 21 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Sun Feb 22 2015 Return: Tue Feb 24 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Mon Feb 23 2015 Return: Wed Feb 25 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Thu Feb 26 2015 Return: Tue Mar 3 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Fri Feb 27 2015 Return: Tue Mar 3 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Sun Mar 1 2015 Return: Tue Mar 3 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:25p
COS
5:00p
2h 35m
nonstop
Depart: Sat Feb 14 2015 Return: Tue Feb 17 2015 Trip spans 4 days
United
United
COS
12:20p
SEA
5:03p
4h 43m
1 stop
SEA
12:18p
COS
4:42p
4h 24m
1 stop
Depart: Tue Mar 3 2015 Return: Mon Mar 9 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
COS
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
9:20a
COS
4:37p
7h 17m
1 stop
Depart: Wed Mar 4 2015 Return: Tue Mar 10 2015 Trip spans 6 days
United
United
COS
4:30a
SEA
9:15a
4h 45m
1 stop
SEA
6:45a
COS
12:20p
5h 35m
1 stop
Depart: Wed Mar 11 2015 Return: Wed Mar 25 2015 Trip spans 15 days
United
United
COS
12:28p
SEA
5:45p
5h 17m
1 stop
SEA
1:39p
COS
5:52p
4h 13m
1 stop
Change your search
Direct flights COS to SEA on Alaska Airlines
Flight # Depart COS Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
3497 8:00 am 10:05 am Jan 29 - Mar 7
3497 12:10 pm 2:15 pm Mar 8 - Apr 4
Airports
Origin

Colorado Springs
$196
Destination

Seattle
$196