Find Cheap Flights to Chicago O'Hare International

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Seattle to Chicago O'Hare International

(Round-trip)
Depart: Wed Sep 13 2017 Return: Sat Sep 23 2017 Trip spans 11 days
Frontier
Frontier
SEA
6:50a
ORD
3:35p
8h 45m
1 stop
ORD
12:30p
SEA
7:37p
7h 07m
1 stop
Depart: Tue Aug 29 2017 Return: Wed Sep 6 2017 Trip spans 9 days
Spirit Airlines
Spirit Airlines
SEA
5:23p
ORD
9:44a
16h 21m
1 stop
ORD
2:00a
SEA
6:43p
16h 43m
1 stop
Depart: Tue Jan 9 2018 Return: Wed Jan 10 2018 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
7:00a
ORD
4:28p
9h 28m
1 stop
ORD
4:05a
SEA
2:01p
9h 56m
1 stop
Depart: Tue Sep 12 2017 Return: Wed Sep 13 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
1:25p
ORD
5:23p
3h 58m
nonstop
ORD
1:00p
SEA
5:33p
4h 33m
nonstop
Depart: Tue Sep 19 2017 Return: Tue Sep 26 2017 Trip spans 8 days
Delta
Delta
SEA
1:12p
ORD
5:11p
3h 59m
nonstop
ORD
3:30a
SEA
8:08a
4h 38m
nonstop
Depart: Fri Feb 23 2018 Return: Mon Feb 26 2018 Trip spans 4 days
United
United
SEA
8:45a
ORD
12:29p
3h 44m
nonstop
ORD
2:30a
SEA
7:03a
4h 33m
nonstop
Depart: Mon Oct 9 2017 Return: Wed Oct 11 2017 Trip spans 3 days
Frontier
Frontier
SEA
1:35p
ORD
4:29a
14h 54m
1 stop
ORD
2:30a
SEA
2:48p
12h 18m
1 stop
Depart: Mon Oct 16 2017 Return: Tue Oct 24 2017 Trip spans 9 days
Frontier
Frontier
SEA
1:35p
ORD
4:29a
14h 54m
1 stop
ORD
2:30a
SEA
12:07p
9h 37m
1 stop
Depart: Wed Sep 6 2017 Return: Sat Sep 9 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
SEA
5:49a
ORD
5:29p
11h 40m
1 stop
ORD
2:00a
SEA
6:55p
16h 55m
1 stop
Depart: Tue Oct 17 2017 Return: Tue Oct 24 2017 Trip spans 8 days
Frontier
Frontier
SEA
11:05a
ORD
4:29a
17h 24m
1 stop
ORD
2:30a
SEA
12:07p
9h 37m
1 stop
Depart: Tue Sep 5 2017 Return: Mon Sep 11 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
SEA
11:15a
ORD
12:30a
13h 15m
1 stop
ORD
5:25p
SEA
12:20p
18h 55m
1 stop
Depart: Sat Sep 23 2017 Return: Tue Sep 26 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
6:30a
ORD
2:25p
7h 55m
1 stop
ORD
5:15a
SEA
7:55p
14h 40m
1 stop
Depart: Tue Dec 5 2017 Return: Sat Dec 9 2017 Trip spans 5 days
Frontier
Frontier
SEA
10:35a
ORD
3:00a
16h 25m
1 stop
ORD
1:50p
SEA
11:39a
21h 49m
1 stop
Depart: Sat Oct 7 2017 Return: Sat Oct 14 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
5:35a
ORD
5:16p
11h 41m
1 stop
ORD
11:34a
SEA
6:50a
19h 16m
1 stop
Depart: Thu Sep 21 2017 Return: Sat Sep 23 2017 Trip spans 3 days
American Airlines
American Airlines
SEA
1:25p
ORD
5:23p
3h 58m
nonstop
ORD
4:10p
SEA
8:39p
4h 29m
nonstop
Depart: Wed Nov 8 2017 Return: Sun Nov 12 2017 Trip spans 5 days
Delta
Delta
SEA
6:15a
ORD
10:20a
4h 05m
nonstop
ORD
2:30a
SEA
7:05a
4h 35m
nonstop
Depart: Wed Dec 6 2017 Return: Sat Dec 9 2017 Trip spans 4 days
Frontier
Frontier
SEA
6:00a
ORD
3:00a
21h 00m
1 stop
ORD
1:50p
SEA
11:39a
21h 49m
1 stop
Depart: Sun Feb 18 2018 Return: Fri Feb 23 2018 Trip spans 6 days
United
United
SEA
1:20p
ORD
10:02p
8h 42m
1 stop
ORD
2:30a
SEA
7:03a
4h 33m
nonstop
Depart: Thu Sep 28 2017 Return: Tue Oct 3 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
8:05a
ORD
4:30p
8h 25m
1 stop
ORD
1:35p
SEA
9:57p
8h 22m
1 stop
Depart: Fri Nov 10 2017 Return: Mon Nov 13 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
SEA
4:42a
ORD
4:28p
11h 46m
1 stop
ORD
1:00a
SEA
5:24p
16h 24m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Seattle
$214
Destination

Chicago
$214
Airlines Airline reviews

396 travelers who booked a flight from Seattle to Chicago rated their chosen airlines with an average of 7.2.

Overall
7.4
Boarding
7.5
Crew
8.0
Comfort
6.9
Food
6.3
Entertainment
6.1