Find Deals on Flights from Seattle to Chicago

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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle to Chicago

(Round-trip)
Depart: Sat Jan 14 2017 Return: Sat Jan 21 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
ORD
13h 04m
1 stop
ORD
SEA
19h 40m
1 stop
Depart: Wed Jan 25 2017 Return: Tue Jan 31 2017 Trip spans 7 days
Delta
Delta
SEA
MDW
6h 51m
1 stop
MDW
SEA
6h 30m
1 stop
Depart: Sat Apr 8 2017 Return: Sat Apr 15 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
ORD
3h 51m
nonstop
ORD
SEA
4h 27m
nonstop
Depart: Fri Jan 6 2017 Return: Tue Jan 10 2017 Trip spans 5 days
Southwest
Southwest
SEA
MDW
4h 00m
nonstop
MDW
SEA
4h 35m
nonstop
Depart: Sat Jan 21 2017 Return: Sat Jan 28 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
ORD
28h 35m
1 stop
ORD
SEA
28h 20m
1 stop
Depart: Fri Dec 16 2016 Return: Mon Dec 19 2016 Trip spans 4 days
American Airlines
American Airlines
SEA
ORD
3h 59m
nonstop
ORD
SEA
4h 36m
nonstop
Depart: Tue Feb 7 2017 Return: Fri Feb 10 2017 Trip spans 4 days
Major Airline
Major Airline
SEA
ORD
18h 00m
1 stop
ORD
SEA
9h 16m
1 stop
Depart: Tue Feb 7 2017 Return: Sat Feb 11 2017 Trip spans 5 days
Delta
Delta
SEA
MDW
6h 31m
1 stop
MDW
SEA
7h 35m
1 stop
Depart: Wed Feb 8 2017 Return: Fri Feb 10 2017 Trip spans 3 days
Major Airline
Major Airline
SEA
ORD
21h 25m
1 stop
ORD
SEA
10h 00m
1 stop
Depart: Tue Feb 21 2017 Return: Sun Feb 26 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
ORD
3h 58m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Wed Feb 15 2017 Return: Tue Feb 21 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
ORD
18h 00m
1 stop
ORD
SEA
18h 25m
1 stop
Depart: Sat Dec 31 2016 Return: Sat Jan 14 2017 Trip spans 15 days
Delta
Delta
SEA
MDW
8h 31m
1 stop
MDW
SEA
8h 25m
1 stop
Depart: Mon Mar 27 2017 Return: Fri Mar 31 2017 Trip spans 5 days
Southwest
Southwest
SEA
MDW
4h 00m
nonstop
MDW
SEA
4h 25m
nonstop
Depart: Thu Mar 2 2017 Return: Mon Mar 6 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
ORD
12h 59m
1 stop
ORD
SEA
11h 59m
1 stop
Depart: Tue May 2 2017 Return: Sun May 7 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
ORD
3h 52m
nonstop
ORD
SEA
4h 27m
nonstop
Depart: Wed May 3 2017 Return: Sun May 7 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 27m
nonstop
Depart: Wed Mar 1 2017 Return: Thu Mar 9 2017 Trip spans 9 days
Delta
Delta
SEA
MDW
5h 55m
1 stop
MDW
SEA
10h 49m
1 stop
Depart: Wed Feb 22 2017 Return: Mon Feb 27 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
MDW
7h 36m
nonstop
MDW
SEA
8h 40m
nonstop
Depart: Tue Apr 18 2017 Return: Sat Apr 22 2017 Trip spans 5 days
Delta
Delta
SEA
MDW
5h 41m
1 stop
MDW
SEA
8h 40m
1 stop
Depart: Thu Dec 8 2016 Return: Tue Dec 13 2016 Trip spans 6 days
Major Airline
Major Airline
SEA
ORD
6h 43m
1 stop
ORD
SEA
10h 36m
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
only $224
only $244
Airlines Airline reviews

132 travelers who booked a flight from Seattle to Chicago rated their chosen airlines with an average of 7.9.

Overall
8.2
Boarding
8.2
Crew
8.6
Comfort
7.9
Food
7.2
Entertainment
6.7