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Find Deals on Flights from Seattle/Tacoma Intl to Chicago O'Hare International (SEA - ORD)

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

Book cheap flights from Seattle/Tacoma Intl to Chicago O'Hare International

(Round-trip)
Depart: Wed Nov 4 2015 Return: Sat Nov 7 2015 Trip spans 4 days
Frontier
Frontier
SEA
5:25a
ORD
2:33p
9h 08m
1 stop
ORD
8:05a
SEA
3:33p
7h 28m
1 stop
Depart: Tue Nov 10 2015 Return: Sat Nov 14 2015 Trip spans 5 days
Frontier
Frontier
SEA
5:25a
ORD
3:29p
10h 04m
1 stop
ORD
8:05a
SEA
3:33p
7h 28m
1 stop
Depart: Sat Dec 5 2015 Return: Thu Dec 10 2015 Trip spans 6 days
Frontier
Frontier
SEA
5:45a
ORD
2:44p
8h 59m
1 stop
ORD
8:05a
SEA
3:40p
7h 35m
1 stop
Depart: Wed Oct 28 2015 Return: Tue Nov 3 2015 Trip spans 7 days
Frontier
Frontier
SEA
6:25a
ORD
3:33p
9h 08m
1 stop
ORD
8:05a
SEA
3:33p
7h 28m
1 stop
Depart: Sat Oct 31 2015 Return: Sat Nov 7 2015 Trip spans 8 days
Frontier
Frontier
SEA
6:25a
ORD
3:33p
9h 08m
1 stop
ORD
8:05a
SEA
3:33p
7h 28m
1 stop
Depart: Wed Nov 11 2015 Return: Sat Nov 14 2015 Trip spans 4 days
Frontier
Frontier
SEA
5:25a
ORD
2:33p
9h 08m
1 stop
ORD
8:05a
SEA
3:33p
7h 28m
1 stop
Depart: Tue Oct 27 2015 Return: Fri Oct 30 2015 Trip spans 4 days
Frontier
Frontier
SEA
6:25a
ORD
3:33p
9h 08m
1 stop
ORD
9:05a
SEA
4:33p
7h 28m
1 stop
Depart: Tue Sep 29 2015 Return: Tue Oct 6 2015 Trip spans 8 days
United
United
SEA
11:22a
ORD
5:36p
6h 14m
1 stop
ORD
1:30a
SEA
7:49a
6h 19m
1 stop
Depart: Thu Oct 29 2015 Return: Tue Nov 3 2015 Trip spans 6 days
Frontier
Frontier
SEA
6:25a
ORD
3:33p
9h 08m
1 stop
ORD
8:05a
SEA
3:33p
7h 28m
1 stop
Depart: Thu Dec 3 2015 Return: Sun Dec 6 2015 Trip spans 4 days
Frontier
Frontier
SEA
5:45a
ORD
2:44p
8h 59m
1 stop
ORD
8:05a
SEA
3:40p
7h 35m
1 stop
Depart: Fri Dec 4 2015 Return: Mon Dec 7 2015 Trip spans 4 days
Frontier
Frontier
SEA
5:45a
ORD
2:44p
8h 59m
1 stop
ORD
8:05a
SEA
3:40p
7h 35m
1 stop
Depart: Thu Dec 10 2015 Return: Sun Dec 13 2015 Trip spans 4 days
Frontier
Frontier
SEA
5:45a
ORD
2:44p
8h 59m
1 stop
ORD
8:05a
SEA
3:40p
7h 35m
1 stop
Depart: Thu Aug 27 2015 Return: Tue Sep 1 2015 Trip spans 6 days
United
United
SEA
7:14p
ORD
11:03p
3h 49m
nonstop
ORD
1:30a
SEA
7:59a
6h 29m
1 stop
Depart: Wed Sep 2 2015 Return: Wed Sep 9 2015 Trip spans 8 days
United
United
SEA
7:14p
ORD
11:03p
3h 49m
nonstop
ORD
1:30a
SEA
7:49a
6h 19m
1 stop
Depart: Sat Sep 5 2015 Return: Wed Sep 9 2015 Trip spans 5 days
United
United
SEA
7:14p
ORD
11:03p
3h 49m
nonstop
ORD
1:30a
SEA
7:49a
6h 19m
1 stop
Depart: Sat Sep 19 2015 Return: Wed Sep 23 2015 Trip spans 5 days
Virgin America
Virgin America
SEA
3:00a
ORD
11:00a
8h 00m
1 stop
ORD
11:00a
SEA
8:45p
9h 45m
1 stop
Depart: Sat Oct 24 2015 Return: Sat Oct 31 2015 Trip spans 8 days
American Airlines
American Airlines
SEA
6:50a
ORD
10:49a
3h 59m
nonstop
ORD
1:39p
SEA
8:15p
6h 36m
1 stop
Depart: Fri Sep 18 2015 Return: Sat Sep 19 2015 Trip spans 2 days
Delta
Delta
SEA
7:10p
ORD
3:04a
7h 54m
1 stop
ORD
8:00a
SEA
3:23p
7h 23m
1 stop
Depart: Sun Aug 30 2015 Return: Sat Sep 5 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
8:50p
ORD
12:46a
3h 56m
nonstop
ORD
3:50p
SEA
8:15p
4h 25m
nonstop
Depart: Mon Oct 12 2015 Return: Sat Oct 17 2015 Trip spans 6 days
US Airways
US Airways
SEA
1:35p
ORD
5:31p
3h 56m
nonstop
ORD
1:05p
SEA
5:42p
4h 37m
nonstop
Direct flights SEA to ORD on Delta
Flight # Depart SEA Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
9008 8:35 am 2:30 pm Aug 11 - Aug 20
9008 8:35 am 2:30 pm Aug 10 - Aug 10
9008 8:35 am 2:30 pm Aug 7 - Aug 14
9008 8:35 am 2:30 pm Aug 2 - Aug 8
9008 8:35 am 2:30 pm Aug 1 - Aug 1
9008 8:35 am 2:30 pm Jul 14 - Jul 31
7511 12:45 pm 6:40 pm Aug 14 - Aug 14
7511 12:45 pm 6:40 pm Aug 12 - Aug 19
7511 12:45 pm 6:40 pm Aug 9 - Aug 20
7511 12:45 pm 6:40 pm Aug 2 - Aug 2
7511 12:45 pm 6:40 pm Jul 23 - Aug 7
7511 12:45 pm 6:40 pm Jul 19 - Jul 26
7511 12:45 pm 6:40 pm Jul 13 - Jul 21
Airports
Origin

Seattle
$278
Destination

Chicago
$278