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
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 Apr 26 2017 Return: Sat Apr 29 2017 Trip spans 4 days
Frontier
Frontier
SEA
7:00a
ORD
2:29p
7h 29m
1 stop
ORD
12:40p
SEA
7:35p
6h 55m
1 stop
Depart: Tue Mar 7 2017 Return: Wed Mar 8 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
SEA
4:35a
ORD
4:56p
12h 21m
1 stop
ORD
1:00a
SEA
5:30p
16h 30m
1 stop
Depart: Mon Apr 17 2017 Return: Fri Apr 28 2017 Trip spans 12 days
Major Airline
Major Airline
SEA
11:05p
ORD
1:00p
13h 55m
1 stop
ORD
1:15a
SEA
10:57a
9h 42m
1 stop
Depart: Sat Apr 29 2017 Return: Tue May 2 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
8:30a
ORD
5:19p
8h 49m
1 stop
ORD
11:40a
SEA
4:10p
4h 30m
nonstop
Depart: Wed Mar 29 2017 Return: Tue Apr 4 2017 Trip spans 7 days
United
United
SEA
5:45a
ORD
9:48a
4h 03m
nonstop
ORD
12:08p
SEA
4:37p
4h 29m
nonstop
Depart: Fri Mar 24 2017 Return: Tue Mar 28 2017 Trip spans 5 days
American Airlines
American Airlines
SEA
7:55p
ORD
11:47p
3h 52m
nonstop
ORD
1:55p
SEA
6:29p
4h 34m
nonstop
Depart: Wed Aug 23 2017 Return: Sun Sep 3 2017 Trip spans 12 days
Delta
Delta
SEA
6:45p
ORD
1:37a
6h 52m
1 stop
ORD
1:25a
SEA
8:42a
7h 17m
1 stop
Depart: Sat Apr 22 2017 Return: Wed Apr 26 2017 Trip spans 5 days
Frontier
Frontier
SEA
5:57a
ORD
3:34p
9h 37m
1 stop
ORD
12:40p
SEA
7:35p
6h 55m
1 stop
Depart: Thu Apr 20 2017 Return: Wed Apr 26 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
11:00p
ORD
4:43a
5h 43m
1 stop
ORD
6:20a
SEA
4:40p
10h 20m
1 stop
Depart: Tue Feb 28 2017 Return: Wed Mar 8 2017 Trip spans 9 days
Spirit Airlines
Spirit Airlines
SEA
4:40a
ORD
4:56p
12h 16m
1 stop
ORD
1:00a
SEA
5:30p
16h 30m
1 stop
Depart: Tue Apr 25 2017 Return: Sat Apr 29 2017 Trip spans 5 days
Frontier
Frontier
SEA
6:55a
ORD
3:34p
8h 39m
1 stop
ORD
12:40p
SEA
7:35p
6h 55m
1 stop
Depart: Tue Mar 21 2017 Return: Tue Mar 28 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
9:00p
ORD
7:00a
10h 00m
1 stop
ORD
8:45a
SEA
2:04a
17h 19m
1 stop
Depart: Sat Mar 4 2017 Return: Wed Mar 8 2017 Trip spans 5 days
Spirit Airlines
Spirit Airlines
SEA
4:35a
ORD
4:56p
12h 21m
1 stop
ORD
1:00a
SEA
5:30p
16h 30m
1 stop
Depart: Wed Mar 8 2017 Return: Wed Mar 15 2017 Trip spans 7 days
Frontier
Frontier
SEA
4:55a
ORD
3:26p
10h 31m
1 stop
ORD
4:00a
SEA
3:43p
11h 43m
1 stop
Depart: Mon Mar 6 2017 Return: Wed Mar 8 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
SEA
4:20p
ORD
8:52a
16h 32m
1 stop
ORD
1:00a
SEA
5:30p
16h 30m
1 stop
Depart: Fri Apr 28 2017 Return: Sun Apr 30 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
5:25p
ORD
5:19p
23h 54m
1 stop
ORD
2:00a
SEA
6:27a
4h 27m
nonstop
Depart: Fri Mar 3 2017 Return: Wed Mar 8 2017 Trip spans 6 days
Frontier
Frontier
SEA
5:10a
ORD
2:58p
9h 48m
1 stop
ORD
3:00a
SEA
2:43p
11h 43m
1 stop
Depart: Sat Apr 1 2017 Return: Wed Apr 5 2017 Trip spans 5 days
United
United
SEA
7:05p
ORD
10:52p
3h 47m
nonstop
ORD
3:45p
SEA
8:15p
4h 30m
nonstop
Depart: Thu Mar 9 2017 Return: Wed Mar 15 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
7:00p
ORD
5:20a
10h 20m
1 stop
ORD
12:00a
SEA
11:43a
11h 43m
1 stop
Depart: Wed May 3 2017 Return: Fri May 5 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
6:15a
ORD
10:11a
3h 56m
nonstop
ORD
1:37p
SEA
10:32p
8h 55m
1 stop
* 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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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
$207
Destination

Chicago
$207
Airlines Airline reviews

306 travelers who booked a flight from Seattle to Chicago rated their chosen airlines with an average of 6.9.

Overall
7.1
Boarding
7.2
Crew
7.7
Comfort
6.6
Food
5.9
Entertainment
5.8