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 May 10 2017 Return: Wed May 17 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
11:23a
ORD
12:27a
13h 04m
1 stop
ORD
10:50a
SEA
10:15p
11h 25m
1 stop
Depart: Sat Apr 29 2017 Return: Sat May 6 2017 Trip spans 8 days
Frontier
Frontier
SEA
7:00a
ORD
2:29p
7h 29m
1 stop
ORD
12:25p
SEA
7:31p
7h 06m
1 stop
Depart: Fri Apr 28 2017 Return: Tue May 2 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
11:35a
ORD
3:23a
15h 48m
1 stop
ORD
9:37a
SEA
2:42p
29h 05m
1 stop
Depart: Mon Jun 19 2017 Return: Wed Jun 28 2017 Trip spans 10 days
Delta
Delta
SEA
3:40a
ORD
7:45a
4h 05m
nonstop
ORD
3:30a
SEA
8:05a
4h 35m
nonstop
Depart: Sat Sep 2 2017 Return: Thu Sep 7 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:20a
3h 45m
nonstop
ORD
2:00a
SEA
6:30a
4h 30m
nonstop
Depart: Thu Apr 20 2017 Return: Tue Apr 25 2017 Trip spans 6 days
American Airlines
American Airlines
SEA
5:55a
ORD
10:05a
4h 10m
nonstop
ORD
1:25p
SEA
5:50p
4h 25m
nonstop
Depart: Sun May 14 2017 Return: Sun May 21 2017 Trip spans 8 days
United
United
SEA
7:15p
ORD
11:03p
3h 48m
nonstop
ORD
5:15a
SEA
9:35a
4h 20m
nonstop
Depart: Sun Sep 24 2017 Return: Mon Sep 25 2017 Trip spans 2 days
Virgin America
Virgin America
SEA
4:35a
ORD
11:55a
7h 20m
1 stop
ORD
5:15a
SEA
6:25p
13h 10m
1 stop
Depart: Wed May 31 2017 Return: Wed Jun 7 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
11:23a
ORD
12:25a
13h 02m
1 stop
ORD
10:51a
SEA
10:40p
11h 49m
1 stop
Depart: Sat May 6 2017 Return: Mon May 8 2017 Trip spans 3 days
Frontier
Frontier
SEA
7:00a
ORD
2:24p
7h 24m
1 stop
ORD
12:25p
SEA
7:31p
7h 06m
1 stop
Depart: Mon May 15 2017 Return: Wed May 17 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
SEA
11:23a
ORD
12:27a
13h 04m
1 stop
ORD
2:00a
SEA
7:14p
17h 14m
1 stop
Depart: Fri May 12 2017 Return: Mon May 15 2017 Trip spans 4 days
Major Airline
Major Airline
SEA
11:00p
ORD
4:46a
5h 46m
1 stop
ORD
10:55a
SEA
3:04a
16h 09m
1 stop
Depart: Wed Jun 21 2017 Return: Thu Jun 22 2017 Trip spans 2 days
Delta
Delta
SEA
1:00p
ORD
5:05p
4h 05m
nonstop
ORD
1:55p
SEA
6:30p
4h 35m
nonstop
Depart: Wed Apr 26 2017 Return: Fri Apr 28 2017 Trip spans 3 days
Frontier
Frontier
SEA
5:57a
ORD
3:34p
9h 37m
1 stop
ORD
12:40p
SEA
7:35p
6h 55m
1 stop
Depart: Wed May 17 2017 Return: Wed May 24 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
5:45a
ORD
5:29p
11h 44m
1 stop
ORD
10:50a
SEA
10:15p
11h 25m
1 stop
Depart: Tue Jun 20 2017 Return: Sun Jun 25 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
4:35p
ORD
8:32p
3h 57m
nonstop
ORD
10:00p
SEA
2:26a
4h 26m
nonstop
Depart: Thu Jun 22 2017 Return: Sun Jun 25 2017 Trip spans 4 days
Delta
Delta
SEA
1:00p
ORD
5:05p
4h 05m
nonstop
ORD
3:30a
SEA
8:05a
4h 35m
nonstop
Depart: Thu Sep 7 2017 Return: Mon Sep 11 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
2:00p
ORD
5:42p
3h 42m
nonstop
ORD
2:00a
SEA
6:30a
4h 30m
nonstop
Depart: Thu Apr 27 2017 Return: Fri Apr 28 2017 Trip spans 2 days
Frontier
Frontier
SEA
6:55a
ORD
3:34p
8h 39m
1 stop
ORD
12:40p
SEA
7:35p
6h 55m
1 stop
Depart: Sun Apr 23 2017 Return: Tue Apr 25 2017 Trip spans 3 days
American Airlines
American Airlines
SEA
7:59p
ORD
11:57p
3h 58m
nonstop
ORD
6:25a
SEA
10:49a
4h 24m
nonstop
* 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
$218
Destination

Chicago
$218
Airlines Airline reviews

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

Overall
7.2
Boarding
7.3
Crew
7.8
Comfort
6.7
Food
6.0
Entertainment
5.8