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/Tacoma Intl to Chicago O'Hare International

(Round-trip)
Depart: Tue Aug 29 2017 Return: Wed Sep 6 2017 Trip spans 9 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
ORD
4:21p
16h 21m
1 stop
ORD
12:00a
SEA
4:43p
16h 43m
1 stop
Depart: Wed Aug 30 2017 Return: Wed Sep 6 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
ORD
11:40a
11h 40m
1 stop
ORD
12:00a
SEA
9:13a
9h 13m
1 stop
Depart: Wed Sep 6 2017 Return: Sat Sep 16 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
ORD
3:45a
3h 45m
nonstop
ORD
12:00a
SEA
4:32a
4h 32m
nonstop
Depart: Tue Sep 5 2017 Return: Wed Sep 6 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
12:00a
ORD
3:50a
3h 50m
nonstop
ORD
12:00a
SEA
4:33a
4h 33m
nonstop
Depart: Tue Aug 29 2017 Return: Tue Sep 12 2017 Trip spans 15 days
Frontier
Frontier
SEA
12:00a
ORD
8:53a
8h 53m
1 stop
ORD
12:00a
SEA
7:32p
19h 32m
1 stop
Depart: Tue Sep 5 2017 Return: Sun Sep 24 2017 Trip spans 20 days
United
United
SEA
12:00a
ORD
8:19a
8h 19m
1 stop
ORD
12:00a
SEA
4:30a
4h 30m
nonstop
Depart: Tue Aug 29 2017 Return: Tue Sep 12 2017 Trip spans 15 days
Virgin America
Virgin America
SEA
12:00a
ORD
2:00p
14h 00m
1 stop
ORD
12:00a
SEA
8:22a
8h 22m
1 stop
Depart: Wed Aug 30 2017 Return: Wed Sep 13 2017 Trip spans 15 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
ORD
11:40a
11h 40m
1 stop
ORD
12:00a
SEA
6:55p
18h 55m
1 stop
Depart: Tue Aug 29 2017 Return: Wed Aug 30 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
ORD
11:40a
11h 40m
1 stop
ORD
12:00a
SEA
11:49a
11h 49m
1 stop
Depart: Sat Aug 26 2017 Return: Sat Sep 16 2017 Trip spans 22 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
ORD
6:19a
30h 19m
1 stop
ORD
12:00a
SEA
7:07a
7h 07m
1 stop
Depart: Wed Aug 30 2017 Return: Tue Sep 12 2017 Trip spans 14 days
Frontier
Frontier
SEA
12:00a
ORD
8:53a
8h 53m
1 stop
ORD
12:00a
SEA
7:32p
19h 32m
1 stop
Depart: Wed Sep 6 2017 Return: Fri Sep 8 2017 Trip spans 3 days
United
United
SEA
12:00a
ORD
7:49a
7h 49m
1 stop
ORD
12:00a
SEA
10:42a
10h 42m
1 stop
Depart: Tue Aug 29 2017 Return: Sun Sep 3 2017 Trip spans 6 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
ORD
11:40a
11h 40m
1 stop
ORD
12:00a
SEA
4:13p
16h 13m
1 stop
Depart: Tue Aug 29 2017 Return: Sun Sep 17 2017 Trip spans 20 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
ORD
11:40a
11h 40m
1 stop
ORD
12:00a
SEA
4:25a
4h 25m
nonstop
Depart: Thu Aug 31 2017 Return: Tue Sep 12 2017 Trip spans 13 days
Frontier
Frontier
SEA
12:00a
ORD
8:53a
8h 53m
1 stop
ORD
12:00a
SEA
7:32p
19h 32m
1 stop
Depart: Tue Sep 5 2017 Return: Thu Sep 7 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
ORD
3:55a
3h 55m
nonstop
ORD
12:00a
SEA
8:22a
8h 22m
1 stop
Depart: Wed Aug 30 2017 Return: Sun Sep 3 2017 Trip spans 5 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
ORD
11:40a
11h 40m
1 stop
ORD
12:00a
SEA
4:13p
16h 13m
1 stop
Depart: Thu Aug 31 2017 Return: Sat Sep 9 2017 Trip spans 10 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
ORD
1:15p
13h 15m
1 stop
ORD
12:00a
SEA
7:07a
7h 07m
1 stop
Depart: Sun Sep 3 2017 Return: Sat Sep 23 2017 Trip spans 21 days
Frontier
Frontier
SEA
12:00a
ORD
8:53a
8h 53m
1 stop
ORD
12:00a
SEA
7:07a
7h 07m
1 stop
Depart: Tue Sep 5 2017 Return: Mon Sep 11 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
ORD
3:55a
3h 55m
nonstop
ORD
12:00a
SEA
8:22a
8h 22m
1 stop
Direct flights SEA to ORD on American Airlines
Flight # Depart SEA Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
1097 7:00 am 1:03 pm Aug 22 - Oct 11
2261 9:56 am 4:05 pm Aug 22 - Sep 30
2573 2:35 pm 8:34 pm Aug 22 - Sep 5
2573 2:35 pm 8:34 pm Aug 24 - Sep 4
2573 2:36 pm 8:35 pm Sep 6 - Oct 25
2573 2:36 pm 8:35 pm Sep 7 - Oct 27
2631 5:25 pm 11:23 pm Aug 27 - Sep 2
2631 5:25 pm 11:23 pm Sep 3 - Sep 3
2631 5:25 pm 11:23 pm Sep 4 - Oct 3
1624 11:59 pm 5:49 am Aug 22 - Oct 6
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Airports
Origin

Seattle
$244
Destination

Chicago
$244
Airlines Airline reviews

395 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