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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: Mon Feb 2 2015 Return: Tue Feb 10 2015 Trip spans 9 days
Frontier
Frontier
SEA
2:50p
ORD
6:30a
15h 40m
1 stop
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
Depart: Tue Feb 3 2015 Return: Tue Feb 10 2015 Trip spans 8 days
Frontier
Frontier
SEA
2:50p
ORD
6:40a
15h 50m
1 stop
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
Depart: Tue Jan 20 2015 Return: Mon Jan 26 2015 Trip spans 7 days
Frontier
Frontier
SEA
2:45p
ORD
6:30a
15h 45m
1 stop
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
Depart: Wed Jan 14 2015 Return: Tue Jan 20 2015 Trip spans 7 days
Frontier
Frontier
SEA
5:15a
ORD
11:10a
5h 55m
1 stop
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
Depart: Wed Jan 21 2015 Return: Sat Jan 24 2015 Trip spans 4 days
Frontier
Frontier
SEA
5:15a
ORD
11:10a
5h 55m
1 stop
ORD
8:55a
SEA
4:15p
7h 20m
1 stop
Depart: Sat Jan 24 2015 Return: Tue Jan 27 2015 Trip spans 4 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: Mon Jan 12 2015 Return: Tue Jan 20 2015 Trip spans 9 days
Frontier
Frontier
SEA
2:45p
ORD
6:30a
15h 45m
1 stop
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
Depart: Mon Jan 26 2015 Return: Tue Jan 27 2015 Trip spans 2 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: Wed Jan 28 2015 Return: Wed Feb 4 2015 Trip spans 8 days
Frontier
Frontier
SEA
2:50p
ORD
6:30a
15h 40m
1 stop
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
Depart: Tue Feb 17 2015 Return: Tue Mar 3 2015 Trip spans 15 days
Frontier
Frontier
SEA
2:50p
ORD
6:40a
15h 50m
1 stop
ORD
8:55a
SEA
3:37p
6h 42m
1 stop
Depart: Fri Feb 6 2015 Return: Sun Feb 8 2015 Trip spans 3 days
Frontier
Frontier
SEA
2:55p
ORD
5:45a
14h 50m
1 stop
ORD
8:55a
SEA
4:15p
7h 20m
1 stop
Depart: Thu Jan 29 2015 Return: Sat Jan 31 2015 Trip spans 3 days
Frontier
Frontier
SEA
2:45p
ORD
5:40a
14h 55m
1 stop
ORD
8:55a
SEA
4:15p
7h 20m
1 stop
Depart: Tue Feb 10 2015 Return: Tue Feb 17 2015 Trip spans 8 days
Frontier
Frontier
SEA
2:50p
ORD
6:40a
15h 50m
1 stop
ORD
1:50p
SEA
6:33a
16h 43m
1 stop
Depart: Mon Jan 19 2015 Return: Tue Jan 20 2015 Trip spans 2 days
Multiple Airlines
Multiple Airlines
SEA
3:30a
ORD
7:25a
3h 55m
nonstop
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
Depart: Wed Feb 4 2015 Return: Sat Feb 7 2015 Trip spans 4 days
Frontier
Frontier
SEA
5:15a
ORD
11:10a
5h 55m
1 stop
ORD
8:55a
SEA
4:15p
7h 20m
1 stop
Depart: Tue Jan 27 2015 Return: Wed Jan 28 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
3:30a
ORD
7:25a
3h 55m
nonstop
ORD
2:30p
SEA
7:10p
4h 40m
nonstop
Depart: Tue Jan 6 2015 Return: Tue Jan 13 2015 Trip spans 8 days
United
United
SEA
9:01a
ORD
1:03p
4h 02m
nonstop
ORD
12:44p
SEA
5:20p
4h 36m
nonstop
Depart: Sun Jan 11 2015 Return: Tue Jan 13 2015 Trip spans 3 days
American Airlines
American Airlines
SEA
6:50a
ORD
10:50a
4h 00m
nonstop
ORD
3:50p
SEA
8:25p
4h 35m
nonstop
Depart: Sun Jan 4 2015 Return: Sat Jan 10 2015 Trip spans 7 days
Delta
Delta
SEA
7:55p
MDW
1:44a
5h 49m
1 stop
MDW
12:00p
SEA
6:36p
6h 36m
1 stop
Depart: Tue Mar 17 2015 Return: Mon Mar 23 2015 Trip spans 7 days
Delta
Delta
SEA
8:55p
ORD
4:35a
7h 40m
1 stop
ORD
9:45a
SEA
4:10p
6h 25m
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 2:25 pm Jan 24 - Jan 31
9008 8:30 am 2:25 pm Dec 31 - Jan 5
9008 8:30 am 2:25 pm Jan 16 - Jan 16
9008 8:30 am 2:25 pm Jan 14 - Jan 28
9008 8:30 am 2:25 pm Jan 17 - Jan 23
9008 8:30 am 2:25 pm Jan 26 - Feb 5
9008 8:30 am 2:25 pm Dec 19 - Dec 29
9008 8:30 am 2:25 pm Jan 3 - Jan 10
9008 8:30 am 2:25 pm Jan 2 - Jan 2
9008 8:30 am 2:25 pm Dec 30 - Dec 30
9008 8:30 am 2:25 pm Dec 18 - Jan 1
9008 8:30 am 2:25 pm Jan 8 - Jan 15
7511 12:35 pm 6:34 pm Jan 4 - Jan 4
7511 12:35 pm 6:34 pm Dec 26 - Jan 2
7511 12:35 pm 6:34 pm Dec 28 - Dec 31
7511 12:35 pm 6:34 pm Dec 29 - Jan 5
7511 12:35 pm 6:34 pm Jan 6 - Jan 6
7511 12:35 pm 6:32 pm Jan 16 - Feb 6
7511 12:35 pm 6:32 pm Jan 25 - Jan 26
7511 12:35 pm 6:34 pm Jan 7 - Jan 9
7511 12:35 pm 6:32 pm Jan 11 - Jan 18
7511 12:35 pm 6:32 pm Jan 13 - Jan 22
Airports
Origin

Seattle
$227
Destination

Chicago
only $227
only $355