Find Cheap 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
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

(Round-trip)
Depart: Wed Jul 26 2017 Return: Mon Aug 14 2017 Trip spans 20 days
Delta
Delta
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Wed Sep 13 2017 Return: Wed Sep 20 2017 Trip spans 8 days
Frontier
Frontier
SEA
ORD
8h 55m
1 stop
ORD
SEA
6h 47m
1 stop
Depart: Thu Jun 1 2017 Return: Mon Jun 5 2017 Trip spans 5 days
Spirit Airlines
Spirit Airlines
SEA
ORD
11h 55m
1 stop
ORD
SEA
8h 15m
1 stop
Depart: Fri Sep 1 2017 Return: Sun Sep 3 2017 Trip spans 3 days
Major Airline
Major Airline
SEA
ORD
3h 54m
nonstop
ORD
SEA
4h 30m
nonstop
Depart: Sun Apr 30 2017 Return: Mon May 1 2017 Trip spans 2 days
United
United
SEA
ORD
3h 51m
nonstop
ORD
SEA
9h 19m
1 stop
Depart: Wed Aug 9 2017 Return: Mon Aug 14 2017 Trip spans 6 days
Delta
Delta
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Wed Oct 4 2017 Return: Sat Oct 14 2017 Trip spans 11 days
Frontier
Frontier
SEA
ORD
8h 55m
1 stop
ORD
SEA
6h 47m
1 stop
Depart: Thu Sep 28 2017 Return: Mon Oct 16 2017 Trip spans 19 days
Major Airline
Major Airline
SEA
ORD
14h 03m
nonstop
ORD
SEA
10h 55m
nonstop
Depart: Mon Aug 7 2017 Return: Sun Aug 27 2017 Trip spans 21 days
Delta
Delta
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Wed Jun 21 2017 Return: Tue Jun 27 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
SEA
ORD
11h 50m
1 stop
ORD
SEA
11h 49m
1 stop
Depart: Tue Oct 3 2017 Return: Tue Oct 10 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
ORD
3h 42m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Sat Jul 22 2017 Return: Sat Jul 29 2017 Trip spans 8 days
United
United
SEA
ORD
7h 43m
1 stop
ORD
SEA
8h 03m
1 stop
Depart: Tue Oct 3 2017 Return: Sun Oct 8 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
ORD
3h 42m
nonstop
ORD
SEA
4h 30m
nonstop
Depart: Sat Jun 3 2017 Return: Sat Jun 10 2017 Trip spans 8 days
Delta
Delta
SEA
MDW
8h 40m
1 stop
MDW
SEA
5h 57m
1 stop
Depart: Sat May 6 2017 Return: Wed May 10 2017 Trip spans 5 days
Spirit Airlines
Spirit Airlines
SEA
ORD
11h 44m
1 stop
ORD
SEA
10h 54m
2 stops
Depart: Sun Jun 4 2017 Return: Sat Jun 10 2017 Trip spans 7 days
Delta
Delta
SEA
MDW
7h 49m
1 stop
MDW
SEA
5h 57m
1 stop
Depart: Tue May 30 2017 Return: Wed Jun 7 2017 Trip spans 9 days
Major Airline
Major Airline
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 43m
nonstop
Depart: Sun Sep 3 2017 Return: Sat Sep 9 2017 Trip spans 7 days
Delta
Delta
SEA
MDW
7h 49m
1 stop
MDW
SEA
9h 59m
1 stop
Depart: Tue Oct 3 2017 Return: Tue Oct 10 2017 Trip spans 8 days
Delta
Delta
SEA
MDW
7h 40m
1 stop
MDW
SEA
6h 07m
1 stop
Depart: Fri Sep 1 2017 Return: Mon Sep 4 2017 Trip spans 4 days
Frontier
Frontier
SEA
ORD
8h 43m
1 stop
ORD
SEA
19h 27m
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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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
$267
Destination

Chicago
only $267
only $334
Airlines Airline reviews

160 travelers who booked a flight from Seattle to Chicago rated their chosen airlines with an average of 5.7.

Overall
6.0
Boarding
6.1
Crew
6.9
Comfort
5.3
Food
4.8
Entertainment
4.8