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Find Flight Deals from Chicago to Seattle/Tacoma Intl (CHI - SEA)

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

Book cheap flights from Chicago to Seattle/Tacoma Intl

(Round-trip)
Depart: Tue Jan 27 2015 Return: Tue Feb 3 2015 Trip spans 8 days
Frontier
Frontier
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
SEA
2:50p
ORD
6:40a
15h 50m
1 stop
Depart: Tue Feb 3 2015 Return: Tue Feb 10 2015 Trip spans 8 days
Frontier
Frontier
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
SEA
2:50p
ORD
6:40a
15h 50m
1 stop
Depart: Tue Feb 10 2015 Return: Tue Feb 17 2015 Trip spans 8 days
Frontier
Frontier
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
SEA
2:50p
ORD
6:40a
15h 50m
1 stop
Depart: Tue Jan 13 2015 Return: Tue Jan 20 2015 Trip spans 8 days
Frontier
Frontier
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
SEA
2:45p
ORD
6:30a
15h 45m
1 stop
Depart: Wed Jan 14 2015 Return: Tue Jan 20 2015 Trip spans 7 days
Frontier
Frontier
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
SEA
2:45p
ORD
6:30a
15h 45m
1 stop
Depart: Mon Jan 26 2015 Return: Mon Feb 2 2015 Trip spans 8 days
Frontier
Frontier
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
SEA
2:50p
ORD
6:30a
15h 40m
1 stop
Depart: Wed Jan 21 2015 Return: Wed Jan 28 2015 Trip spans 8 days
Frontier
Frontier
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
SEA
5:15a
ORD
11:10a
5h 55m
1 stop
Depart: Wed Mar 4 2015 Return: Tue Mar 10 2015 Trip spans 6 days
Frontier
Frontier
ORD
8:55a
SEA
3:37p
6h 42m
1 stop
SEA
6:17a
ORD
11:50a
5h 33m
1 stop
Depart: Tue Jan 20 2015 Return: Wed Jan 28 2015 Trip spans 9 days
Frontier
Frontier
ORD
1:50p
SEA
6:33a
16h 43m
1 stop
SEA
5:15a
ORD
11:10a
5h 55m
1 stop
Depart: Sat Jan 24 2015 Return: Mon Jan 26 2015 Trip spans 3 days
Frontier
Frontier
ORD
8:55a
SEA
4:15p
7h 20m
1 stop
SEA
2:50p
ORD
6:30a
15h 40m
1 stop
Depart: Fri Jan 30 2015 Return: Mon Feb 2 2015 Trip spans 4 days
Frontier
Frontier
ORD
8:55a
SEA
4:15p
7h 20m
1 stop
SEA
2:50p
ORD
6:30a
15h 40m
1 stop
Depart: Mon Jan 12 2015 Return: Wed Jan 14 2015 Trip spans 3 days
Frontier
Frontier
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
SEA
5:15a
ORD
11:10a
5h 55m
1 stop
Depart: Sat Jan 10 2015 Return: Wed Jan 14 2015 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ORD
6:10a
SEA
10:47a
4h 37m
nonstop
SEA
5:15a
ORD
11:10a
5h 55m
1 stop
Depart: Fri Feb 13 2015 Return: Sun Feb 15 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ORD
10:20a
SEA
2:55p
4h 35m
nonstop
SEA
7:35a
ORD
11:33a
3h 58m
nonstop
Depart: Thu Feb 19 2015 Return: Sat Feb 21 2015 Trip spans 3 days
American Airlines
American Airlines
ORD
3:25a
SEA
8:00a
4h 35m
nonstop
SEA
3:51a
ORD
7:47a
3h 56m
nonstop
Depart: Sat Feb 21 2015 Return: Sat Feb 28 2015 Trip spans 8 days
United
United
ORD
7:55a
SEA
12:31p
4h 36m
nonstop
SEA
1:03a
ORD
4:58a
3h 55m
nonstop
Depart: Sun Apr 5 2015 Return: Wed Apr 8 2015 Trip spans 4 days
Delta
Delta
MDW
9:15a
SEA
5:02p
7h 47m
1 stop
SEA
8:55p
MDW
2:33a
5h 38m
1 stop
Depart: Mon Mar 16 2015 Return: Wed Mar 25 2015 Trip spans 10 days
Delta
Delta
ORD
2:30p
SEA
9:05p
6h 35m
1 stop
SEA
2:45a
ORD
10:31a
7h 46m
1 stop
Depart: Thu Mar 19 2015 Return: Sat Mar 21 2015 Trip spans 3 days
US Airways
US Airways
ORD
4:05p
SEA
11:52p
7h 47m
1 stop
SEA
11:00a
ORD
6:02p
7h 02m
1 stop
Depart: Mon Jun 15 2015 Return: Thu Jun 18 2015 Trip spans 4 days
Sun Country Air
Sun Country Air
MDW
4:00a
SEA
10:15a
6h 15m
1 stop
SEA
6:20a
MDW
2:45p
8h 25m
1 stop
Change your search
Direct flights CHI to SEA on Delta
Flight # Depart ORD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
9015 8:00 am 10:39 am Jan 4 - Jan 4
9015 8:00 am 10:39 am Jan 1 - Jan 2
8992 3:20 pm 6:04 pm Jan 29 - Feb 5
8992 3:20 pm 6:04 pm Jan 24 - Jan 31
8992 3:20 pm 6:05 pm Jan 8 - Jan 9
8992 3:20 pm 6:05 pm Jan 3 - Jan 10
8992 3:20 pm 6:05 pm Jan 2 - Jan 2
8992 3:20 pm 6:04 pm Jan 16 - Jan 16
8992 3:20 pm 6:05 pm Dec 31 - Jan 5
8992 3:20 pm 6:04 pm Jan 14 - Jan 28
8992 3:20 pm 6:04 pm Jan 11 - Jan 17
8992 3:20 pm 6:04 pm Jan 19 - Jan 26
Airports
Origin

Chicago
only $277
only $372
Destination

Seattle
$277