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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: Fri May 1 2015 Return: Tue May 5 2015 Trip spans 5 days
Sun Country Air
Sun Country Air
MDW
4:00a
SEA
2:25p
10h 25m
1 stop
SEA
9:05a
MDW
2:45p
5h 40m
1 stop
Depart: Mon May 4 2015 Return: Tue May 5 2015 Trip spans 2 days
Sun Country Air
Sun Country Air
MDW
4:00a
SEA
10:15a
6h 15m
1 stop
SEA
9:05a
MDW
2:45p
5h 40m
1 stop
Depart: Tue May 5 2015 Return: Sun May 10 2015 Trip spans 6 days
Sun Country Air
Sun Country Air
MDW
4:00a
SEA
10:15a
6h 15m
1 stop
SEA
9:05a
MDW
2:45p
5h 40m
1 stop
Depart: Thu May 7 2015 Return: Fri May 8 2015 Trip spans 2 days
Sun Country Air
Sun Country Air
MDW
4:00a
SEA
2:25p
10h 25m
1 stop
SEA
9:05a
MDW
2:45p
5h 40m
1 stop
Depart: Fri May 8 2015 Return: Sun May 10 2015 Trip spans 3 days
Sun Country Air
Sun Country Air
MDW
4:00a
SEA
2:25p
10h 25m
1 stop
SEA
9:05a
MDW
2:45p
5h 40m
1 stop
Depart: Mon May 11 2015 Return: Tue May 12 2015 Trip spans 2 days
Sun Country Air
Sun Country Air
MDW
4:00a
SEA
10:15a
6h 15m
1 stop
SEA
9:05a
MDW
2:45p
5h 40m
1 stop
Depart: Tue Apr 14 2015 Return: Wed Apr 15 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
2:05p
ORD
5:48p
3h 43m
nonstop
Depart: Tue Apr 21 2015 Return: Wed Apr 22 2015 Trip spans 2 days
United
United
ORD
12:05p
SEA
4:34p
4h 29m
nonstop
SEA
6:25a
ORD
10:28a
4h 03m
nonstop
Depart: Wed Apr 15 2015 Return: Sat Apr 18 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ORD
4:00a
SEA
8:27a
4h 27m
nonstop
SEA
2:05p
ORD
5:48p
3h 43m
nonstop
Depart: Sat Apr 18 2015 Return: Wed Apr 29 2015 Trip spans 12 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
2:05p
ORD
5:48p
3h 43m
nonstop
Depart: Wed Apr 22 2015 Return: Fri Apr 24 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
8:35p
ORD
12:30a
3h 55m
nonstop
Depart: Sat Apr 25 2015 Return: Mon Apr 27 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
8:35p
ORD
12:30a
3h 55m
nonstop
Depart: Tue Apr 28 2015 Return: Sat May 2 2015 Trip spans 5 days
United
United
ORD
12:05p
SEA
4:32p
4h 27m
nonstop
SEA
6:58p
ORD
10:57p
3h 59m
nonstop
Depart: Wed Apr 29 2015 Return: Sat May 2 2015 Trip spans 4 days
United
United
ORD
8:20a
SEA
12:47p
4h 27m
nonstop
SEA
6:25a
ORD
10:30a
4h 05m
nonstop
Depart: Sat May 2 2015 Return: Mon May 4 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
8:35p
ORD
12:32a
3h 57m
nonstop
Depart: Sun May 3 2015 Return: Mon May 4 2015 Trip spans 2 days
Delta
Delta
MDW
2:45a
SEA
8:31a
5h 46m
1 stop
SEA
8:35p
MDW
2:38a
6h 03m
1 stop
Depart: Fri Apr 17 2015 Return: Wed Apr 29 2015 Trip spans 13 days
American Airlines
American Airlines
ORD
3:00a
SEA
11:32a
8h 32m
1 stop
SEA
10:40a
ORD
2:46p
4h 06m
nonstop
Depart: Tue May 19 2015 Return: Wed May 20 2015 Trip spans 2 days
Delta
Delta
ORD
2:35p
SEA
9:08p
6h 33m
1 stop
SEA
4:55a
ORD
12:53p
7h 58m
1 stop
Depart: Sat May 23 2015 Return: Wed May 27 2015 Trip spans 5 days
US Airways
US Airways
ORD
12:59p
SEA
9:07p
8h 08m
1 stop
SEA
1:00a
ORD
5:05a
4h 05m
nonstop
Depart: Sat Apr 4 2015 Return: Wed Apr 8 2015 Trip spans 5 days
Frontier
Frontier
ORD
10:05a
SEA
4:20p
6h 15m
1 stop
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
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 10:25 am May 4 - May 12
9015 8:00 am 10:25 am May 3 - May 10
9015 8:00 am 10:27 am Apr 26 - May 1
9015 8:00 am 10:27 am Apr 24 - Apr 24
9015 8:00 am 10:27 am Apr 6 - Apr 23
9015 8:00 am 10:27 am Apr 5 - Apr 19
8992 3:25 pm 5:50 pm Apr 30 - Apr 30
8992 3:25 pm 5:50 pm Apr 3 - Apr 9
8992 3:25 pm 5:50 pm Apr 6 - Apr 14
8992 3:25 pm 5:50 pm Apr 12 - Apr 12
8992 3:25 pm 5:50 pm Apr 15 - Apr 19
8992 3:25 pm 5:50 pm Apr 16 - Apr 25
8992 3:25 pm 5:50 pm Apr 26 - May 2
8992 3:25 pm 5:48 pm May 4 - May 14
8992 3:25 pm 5:48 pm May 3 - May 8
Airports
Origin

Chicago
only $277
only $258
Destination

Seattle
$258