Find Deals on Flights from Seattle 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
Students
under 26
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: Tue Jan 10 2017 Return: Sat Jan 14 2017 Trip spans 5 days
Frontier
Frontier
SEA
1:50p
ORD
2:54a
13h 04m
1 stop
ORD
10:45a
SEA
6:25a
19h 40m
1 stop
Depart: Fri Jan 13 2017 Return: Tue Jan 17 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
11:00p
ORD
4:44a
5h 44m
1 stop
ORD
5:45a
SEA
12:20a
18h 35m
1 stop
Depart: Tue Jan 17 2017 Return: Wed Jan 18 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
1:30a
ORD
5:27a
3h 57m
nonstop
ORD
12:25p
SEA
5:03p
4h 38m
nonstop
Depart: Sun Feb 26 2017 Return: Sun Mar 5 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
2:05a
ORD
5:59a
3h 54m
nonstop
ORD
3:00a
SEA
7:35a
4h 35m
nonstop
Depart: Wed Dec 14 2016 Return: Sat Dec 17 2016 Trip spans 4 days
Delta
Delta
SEA
1:45a
ORD
7:45a
6h 00m
1 stop
ORD
3:50a
SEA
11:29a
7h 39m
1 stop
Depart: Sat May 6 2017 Return: Sat May 13 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
11:15a
ORD
12:25a
13h 10m
1 stop
ORD
4:00a
SEA
12:30p
8h 30m
1 stop
Depart: Wed Jan 11 2017 Return: Sat Jan 14 2017 Trip spans 4 days
Frontier
Frontier
SEA
1:50p
ORD
2:54a
13h 04m
1 stop
ORD
10:45a
SEA
6:25a
19h 40m
1 stop
Depart: Fri Jan 20 2017 Return: Fri Jan 27 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
11:00p
ORD
4:44a
5h 44m
1 stop
ORD
11:15p
SEA
9:15a
10h 00m
1 stop
Depart: Wed Feb 1 2017 Return: Sat Feb 4 2017 Trip spans 4 days
American Airlines
American Airlines
SEA
6:20a
ORD
10:21a
4h 01m
nonstop
ORD
12:25p
SEA
5:03p
4h 38m
nonstop
Depart: Sat Jan 14 2017 Return: Tue Jan 17 2017 Trip spans 4 days
Frontier
Frontier
SEA
1:50p
ORD
2:54a
13h 04m
1 stop
ORD
10:45a
SEA
5:20a
18h 35m
1 stop
Depart: Fri Feb 3 2017 Return: Tue Feb 7 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
12:45a
ORD
5:20a
28h 35m
1 stop
ORD
6:35a
SEA
2:50p
8h 15m
1 stop
Depart: Fri Mar 10 2017 Return: Mon Mar 13 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
12:55p
ORD
4:53p
3h 58m
nonstop
ORD
2:00a
SEA
6:33a
4h 33m
nonstop
Depart: Wed Jan 18 2017 Return: Tue Jan 24 2017 Trip spans 7 days
Frontier
Frontier
SEA
1:50p
ORD
2:54a
13h 04m
1 stop
ORD
4:20a
SEA
3:02p
10h 42m
1 stop
Depart: Tue Feb 7 2017 Return: Fri Feb 10 2017 Trip spans 4 days
Major Airline
Major Airline
SEA
12:45a
ORD
5:20a
28h 35m
1 stop
ORD
11:15p
SEA
9:15a
10h 00m
1 stop
Depart: Sat Jan 21 2017 Return: Tue Jan 24 2017 Trip spans 4 days
Frontier
Frontier
SEA
1:50p
ORD
2:54a
13h 04m
1 stop
ORD
10:45a
SEA
5:20a
18h 35m
1 stop
Depart: Fri Feb 24 2017 Return: Sat Mar 4 2017 Trip spans 9 days
Major Airline
Major Airline
SEA
11:00p
ORD
4:44a
5h 44m
1 stop
ORD
7:45a
SEA
2:17p
6h 32m
1 stop
Depart: Fri Dec 9 2016 Return: Fri Dec 16 2016 Trip spans 8 days
American Airlines
American Airlines
SEA
6:20a
ORD
10:25a
4h 05m
nonstop
ORD
7:00a
SEA
11:36a
4h 36m
nonstop
Depart: Sun Dec 11 2016 Return: Tue Dec 13 2016 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
12:55p
ORD
4:41p
3h 46m
nonstop
ORD
1:00a
SEA
5:40a
4h 40m
nonstop
Depart: Wed Jan 25 2017 Return: Tue Jan 31 2017 Trip spans 7 days
Frontier
Frontier
SEA
1:50p
ORD
2:54a
13h 04m
1 stop
ORD
4:20a
SEA
3:02p
10h 42m
1 stop
Depart: Fri Jan 6 2017 Return: Wed Jan 11 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
11:40p
ORD
11:58a
12h 18m
1 stop
ORD
6:35a
SEA
2:50p
8h 15m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
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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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Seattle
$224
Destination

Chicago
$224
Airlines Airline reviews

194 travelers who booked a flight from Seattle to Chicago rated their chosen airlines with an average of 6.8.

Overall
7.0
Boarding
7.1
Crew
7.7
Comfort
6.6
Food
5.8
Entertainment
5.5