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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: Tue Apr 7 2015 Return: Tue Apr 14 2015 Trip spans 8 days
Frontier
Frontier
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
ORD
10:25a
SEA
5:00p
6h 35m
1 stop
Depart: Mon Apr 27 2015 Return: Tue Apr 28 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:30a
3h 55m
nonstop
ORD
4:00a
SEA
8:27a
4h 27m
nonstop
Depart: Tue Mar 31 2015 Return: Wed Apr 1 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
10:40a
ORD
2:46p
4h 06m
nonstop
ORD
3:30a
SEA
8:05a
4h 35m
nonstop
Depart: Sat Apr 18 2015 Return: Tue Apr 21 2015 Trip spans 4 days
US Airways
US Airways
SEA
10:40a
ORD
2:46p
4h 06m
nonstop
ORD
4:20p
SEA
8:59p
4h 39m
nonstop
Depart: Tue Mar 24 2015 Return: Wed Mar 25 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
2:15p
ORD
5:56p
3h 41m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Wed Mar 25 2015 Return: Tue Mar 31 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
2:15p
ORD
5:56p
3h 41m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Mon Mar 30 2015 Return: Sat Apr 11 2015 Trip spans 13 days
Alaska Airlines
Alaska Airlines
SEA
8:40p
ORD
12:30a
3h 50m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Wed Apr 1 2015 Return: Sat Apr 4 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
1:00a
ORD
5:05a
4h 05m
nonstop
ORD
4:20p
SEA
8:59p
4h 39m
nonstop
Depart: Wed Apr 8 2015 Return: Sat Apr 11 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
ORD
5:48p
3h 43m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Sat Apr 11 2015 Return: Wed Apr 15 2015 Trip spans 5 days
American Airlines
American Airlines
SEA
1:00a
ORD
5:05a
4h 05m
nonstop
ORD
4:20p
SEA
8:59p
4h 39m
nonstop
Depart: Mon Apr 13 2015 Return: Tue Apr 21 2015 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:30a
3h 55m
nonstop
ORD
3:35p
SEA
8:02p
4h 27m
nonstop
Depart: Tue Apr 14 2015 Return: Tue Apr 21 2015 Trip spans 8 days
American Airlines
American Airlines
SEA
1:00a
ORD
5:05a
4h 05m
nonstop
ORD
3:30a
SEA
8:05a
4h 35m
nonstop
Depart: Tue Apr 21 2015 Return: Wed Apr 22 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
3:10a
ORD
7:17a
4h 07m
nonstop
ORD
3:30a
SEA
8:05a
4h 35m
nonstop
Depart: Wed Apr 22 2015 Return: Sat Apr 25 2015 Trip spans 4 days
US Airways
US Airways
SEA
1:00a
ORD
5:05a
4h 05m
nonstop
ORD
3:30a
SEA
8:05a
4h 35m
nonstop
Depart: Sat Apr 25 2015 Return: Tue Apr 28 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
ORD
5:48p
3h 43m
nonstop
ORD
3:35p
SEA
8:02p
4h 27m
nonstop
Depart: Thu Apr 30 2015 Return: Fri May 1 2015 Trip spans 2 days
United
United
SEA
6:25a
ORD
10:28a
4h 03m
nonstop
ORD
3:10p
SEA
7:45p
4h 35m
nonstop
Depart: Sun May 24 2015 Return: Thu May 28 2015 Trip spans 5 days
Multiple Airlines
Multiple Airlines
SEA
2:00a
ORD
7:54a
5h 54m
1 stop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Fri May 29 2015 Return: Tue Jun 2 2015 Trip spans 5 days
Delta
Delta
SEA
7:00p
MDW
3:22a
8h 22m
1 stop
MDW
11:12a
SEA
5:07p
5h 55m
1 stop
Depart: Wed May 20 2015 Return: Tue May 26 2015 Trip spans 7 days
Delta
Delta
SEA
9:00a
ORD
3:04p
6h 04m
1 stop
ORD
2:35p
SEA
9:08p
6h 33m
1 stop
Depart: Fri Jun 26 2015 Return: Sun Jun 28 2015 Trip spans 3 days
Sun Country Air
Sun Country Air
SEA
6:20a
MDW
2:45p
8h 25m
1 stop
MDW
4:00a
SEA
10:15a
6h 15m
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 2:27 pm Mar 16 - Mar 20
9008 8:30 am 2:27 pm Mar 8 - Mar 14
9008 8:30 am 2:26 pm Apr 6 - Apr 14
9008 8:30 am 2:26 pm Apr 5 - Apr 12
9008 8:30 am 2:27 pm Apr 4 - Apr 4
9008 8:30 am 2:27 pm Apr 3 - Apr 3
9008 8:30 am 2:27 pm Mar 15 - Mar 22
9008 8:30 am 2:27 pm Mar 25 - Mar 28
9008 8:30 am 2:27 pm Mar 23 - Mar 29
9008 8:30 am 2:27 pm Mar 27 - Apr 2
9008 8:30 am 2:27 pm Mar 12 - Mar 19
7511 12:40 pm 6:34 pm Mar 31 - Mar 31
7511 12:40 pm 6:40 pm Apr 5 - Apr 5
7511 12:40 pm 6:40 pm Apr 6 - Apr 12
7511 12:40 pm 6:40 pm Apr 7 - Apr 14
7511 12:40 pm 6:34 pm Mar 8 - Mar 13
7511 12:40 pm 6:34 pm Mar 9 - Mar 15
7511 12:40 pm 6:34 pm Mar 12 - Mar 18
7511 12:40 pm 6:34 pm Mar 16 - Mar 24
7511 12:40 pm 6:34 pm Mar 25 - Apr 3
7511 12:40 pm 6:34 pm Mar 26 - Apr 2
Airports
Origin

Seattle
$248
Destination

Chicago
only $248
only $332