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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 Mar 10 2015 Return: Wed Mar 11 2015 Trip spans 2 days
Frontier
Frontier
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
ORD
10:05a
SEA
4:20p
6h 15m
1 stop
Depart: Tue Feb 17 2015 Return: Wed Feb 25 2015 Trip spans 9 days
Multiple Airlines
Multiple Airlines
SEA
6:50a
ORD
10:50a
4h 00m
nonstop
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
Depart: Sun Feb 15 2015 Return: Tue Feb 17 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
7:35a
ORD
11:33a
3h 58m
nonstop
ORD
2:30p
SEA
7:07p
4h 37m
nonstop
Depart: Mon Feb 23 2015 Return: Tue Feb 24 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
3:51a
ORD
7:47a
3h 56m
nonstop
ORD
3:50p
SEA
8:25p
4h 35m
nonstop
Depart: Sun Mar 1 2015 Return: Mon Mar 2 2015 Trip spans 2 days
United
United
SEA
5:51p
ORD
9:51p
4h 00m
nonstop
ORD
12:12p
SEA
4:43p
4h 31m
nonstop
Depart: Wed Jun 3 2015 Return: Mon Jun 8 2015 Trip spans 6 days
Delta
Delta
SEA
8:55p
MDW
5:31a
8h 36m
1 stop
MDW
8:40a
SEA
5:20p
8h 40m
1 stop
Depart: Sun Apr 26 2015 Return: Fri May 1 2015 Trip spans 6 days
Delta
Delta
SEA
3:15a
ORD
9:04a
5h 49m
1 stop
ORD
2:30p
SEA
8:55p
6h 25m
1 stop
Depart: Fri Feb 13 2015 Return: Mon Feb 16 2015 Trip spans 4 days
Virgin America
Virgin America
SEA
2:00a
ORD
9:40a
7h 40m
1 stop
ORD
11:20a
SEA
7:05a
19h 45m
1 stop
Depart: Fri Jul 3 2015 Return: Mon Jul 6 2015 Trip spans 4 days
US Airways
US Airways
SEA
10:40a
ORD
6:01p
7h 21m
1 stop
ORD
1:00a
SEA
8:31a
7h 31m
1 stop
Depart: Sun Jul 5 2015 Return: Sat Jul 11 2015 Trip spans 7 days
Sun Country Air
Sun Country Air
SEA
9:05a
MDW
2:45p
5h 40m
1 stop
MDW
4:10a
SEA
10:09a
5h 59m
1 stop
Change your search
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 2:22 pm Feb 24 - Mar 4
9008 8:30 am 2:22 pm Feb 8 - Feb 15
9008 8:30 am 2:22 pm Feb 9 - Feb 14
9008 8:30 am 2:27 pm Mar 8 - Mar 14
9008 8:30 am 2:22 pm Feb 16 - Feb 18
9008 8:30 am 2:22 pm Feb 28 - Mar 7
9008 8:30 am 2:22 pm Feb 19 - Feb 26
9008 8:30 am 2:25 pm Feb 7 - Feb 7
7511 12:35 pm 6:33 pm Feb 8 - Feb 22
7511 12:35 pm 6:33 pm Feb 10 - Mar 3
7511 12:35 pm 6:33 pm Feb 9 - Feb 23
7511 12:35 pm 6:33 pm Mar 4 - Mar 4
7511 12:35 pm 6:33 pm Feb 27 - Mar 6
7511 12:35 pm 6:33 pm Feb 26 - Mar 5
7511 12:40 pm 6:34 pm Mar 8 - Mar 13
7511 12:40 pm 6:34 pm Mar 10 - Mar 10
7511 12:40 pm 6:34 pm Mar 9 - Mar 15
Airports
Origin

Seattle
$277
Destination

Chicago
only $277
only $342