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

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

Book cheap flights from Seattle/Tacoma Intl to Chicago

(Round-trip)
Depart: Sun May 10 2015 Return: Tue May 12 2015 Trip spans 3 days
United
United
SEA
8:50p
ORD
12:51a
4h 01m
nonstop
ORD
6:25p
SEA
11:00p
4h 35m
nonstop
Depart: Tue May 12 2015 Return: Wed May 13 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
ORD
5:59p
3h 54m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Sat May 23 2015 Return: Fri May 29 2015 Trip spans 7 days
US Airways
US Airways
SEA
10:40a
ORD
2:46p
4h 06m
nonstop
ORD
4:25p
SEA
9:04p
4h 39m
nonstop
Depart: Mon May 11 2015 Return: Tue May 12 2015 Trip spans 2 days
United
United
SEA
8:46p
ORD
12:49a
4h 03m
nonstop
ORD
6:25p
SEA
11:00p
4h 35m
nonstop
Depart: Sat May 16 2015 Return: Fri May 29 2015 Trip spans 14 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:32a
3h 57m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Sun May 17 2015 Return: Thu May 28 2015 Trip spans 12 days
United
United
SEA
8:50p
ORD
12:51a
4h 01m
nonstop
ORD
6:25p
SEA
11:00p
4h 35m
nonstop
Depart: Mon May 18 2015 Return: Fri May 29 2015 Trip spans 12 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:32a
3h 57m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Tue May 19 2015 Return: Thu May 28 2015 Trip spans 10 days
United
United
SEA
8:46p
ORD
12:49a
4h 03m
nonstop
ORD
6:25p
SEA
11:00p
4h 35m
nonstop
Depart: Mon May 25 2015 Return: Fri May 29 2015 Trip spans 5 days
US Airways
US Airways
SEA
1:00a
ORD
5:05a
4h 05m
nonstop
ORD
4:25p
SEA
9:04p
4h 39m
nonstop
Depart: Fri May 29 2015 Return: Tue Jun 2 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
ORD
5:59p
3h 54m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Sun May 31 2015 Return: Tue Jun 2 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:32a
3h 57m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Mon Jun 1 2015 Return: Tue Jun 2 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
ORD
5:59p
3h 54m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Tue Jun 2 2015 Return: Thu Jun 4 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:32a
3h 57m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Wed Jun 3 2015 Return: Thu Jun 4 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
ORD
5:59p
3h 54m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Wed May 13 2015 Return: Tue Jun 2 2015 Trip spans 21 days
American Airlines
American Airlines
SEA
1:00a
ORD
5:05a
4h 05m
nonstop
ORD
1:00a
SEA
8:39a
7h 39m
1 stop
Depart: Fri May 15 2015 Return: Thu Jun 4 2015 Trip spans 21 days
American Airlines
American Airlines
SEA
10:40a
ORD
2:46p
4h 06m
nonstop
ORD
1:10a
SEA
8:31a
7h 21m
1 stop
Depart: Sun Jun 7 2015 Return: Sat Jun 13 2015 Trip spans 7 days
Delta
Delta
SEA
8:50p
MDW
2:33a
5h 43m
1 stop
MDW
11:04a
SEA
5:17p
6h 13m
1 stop
Depart: Thu Jun 11 2015 Return: Tue Jun 16 2015 Trip spans 6 days
Delta
Delta
SEA
3:15a
ORD
11:51a
8h 36m
1 stop
ORD
8:15a
SEA
5:20p
9h 05m
1 stop
Depart: Thu Apr 30 2015 Return: Mon Jun 1 2015 Trip spans 33 days
Sun Country Air
Sun Country Air
SEA
6:20a
MDW
11:45a
5h 25m
1 stop
MDW
4:00a
SEA
10:15a
6h 15m
1 stop
Depart: Wed Apr 22 2015 Return: Sat Apr 25 2015 Trip spans 4 days
Virgin America
Virgin America
SEA
3:05a
ORD
10:10a
7h 05m
1 stop
ORD
12:40p
SEA
8:50p
8h 10m
1 stop
Direct flights SEA to CHI on Delta
Flight # Depart SEA Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
9008 8:30 am 2:30 pm May 15 - Jun 6
9008 8:30 am 2:30 pm May 4 - May 14
9008 8:30 am 2:30 pm May 3 - May 8
9008 8:30 am 2:26 pm Apr 26 - May 2
9008 8:30 am 2:26 pm Apr 30 - Apr 30
7511 12:40 pm 6:40 pm May 7 - May 7
7511 12:40 pm 6:40 pm Apr 24 - Apr 30
7511 12:40 pm 6:40 pm Apr 26 - May 4
7511 12:40 pm 6:40 pm May 5 - May 5
7511 12:40 pm 6:40 pm May 6 - May 13
7511 12:40 pm 6:40 pm May 25 - Jun 5
7511 12:40 pm 6:40 pm May 24 - May 31
7511 12:40 pm 6:40 pm May 14 - May 22
Airports
Origin

Seattle
$237
Destination

Chicago
only $237
only $342