Find Deals on Flights from Seattle/Tacoma Intl to Chicago (SEA - CHI)

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

Book cheap flights from Seattle/Tacoma Intl to Chicago

(Round-trip)
Depart: Tue Sep 27 2016 Return: Wed Sep 28 2016 Trip spans 2 days
Frontier
Frontier
SEA
ORD
4h 00m
nonstop
ORD
SEA
4h 30m
nonstop
Depart: Mon Oct 3 2016 Return: Tue Oct 4 2016 Trip spans 2 days
Major Airline
Major Airline
SEA
ORD
4h 00m
nonstop
ORD
SEA
4h 30m
nonstop
Depart: Wed Sep 28 2016 Return: Sat Oct 1 2016 Trip spans 4 days
Frontier
Frontier
SEA
ORD
4h 00m
nonstop
ORD
SEA
4h 30m
nonstop
Depart: Wed Oct 12 2016 Return: Wed Oct 19 2016 Trip spans 8 days
Major Airline
Major Airline
SEA
ORD
3h 46m
nonstop
ORD
SEA
4h 31m
nonstop
Depart: Wed Oct 19 2016 Return: Sat Oct 29 2016 Trip spans 11 days
Frontier
Frontier
SEA
ORD
4h 01m
nonstop
ORD
SEA
4h 31m
nonstop
Depart: Fri Oct 21 2016 Return: Fri Oct 28 2016 Trip spans 8 days
Major Airline
Major Airline
SEA
ORD
3h 58m
nonstop
ORD
SEA
4h 31m
nonstop
Depart: Mon Oct 3 2016 Return: Thu Oct 20 2016 Trip spans 18 days
Southwest
Southwest
SEA
MDW
4h 05m
nonstop
MDW
SEA
4h 40m
nonstop
Depart: Sat Oct 8 2016 Return: Wed Oct 12 2016 Trip spans 5 days
Frontier
Frontier
SEA
ORD
4h 01m
nonstop
ORD
SEA
4h 31m
nonstop
Depart: Tue Nov 8 2016 Return: Tue Nov 15 2016 Trip spans 8 days
Delta
Delta
SEA
MDW
6h 14m
1 stop
MDW
SEA
8h 18m
1 stop
Depart: Fri Dec 2 2016 Return: Sun Dec 4 2016 Trip spans 3 days
American Airlines
American Airlines
SEA
ORD
7h 40m
1 stop
ORD
SEA
8h 47m
1 stop
Depart: Wed Mar 29 2017 Return: Sun Apr 2 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
ORD
3h 45m
nonstop
ORD
SEA
4h 30m
nonstop
Depart: Tue Oct 25 2016 Return: Wed Oct 26 2016 Trip spans 2 days
Major Airline
Major Airline
SEA
MDW
4h 05m
nonstop
MDW
SEA
4h 40m
nonstop
Depart: Sat Oct 15 2016 Return: Sun Oct 23 2016 Trip spans 9 days
Frontier
Frontier
SEA
ORD
4h 01m
nonstop
ORD
SEA
4h 31m
nonstop
Depart: Sat Dec 10 2016 Return: Mon Dec 12 2016 Trip spans 3 days
American Airlines
American Airlines
SEA
ORD
8h 42m
1 stop
ORD
SEA
4h 37m
nonstop
Depart: Thu Mar 9 2017 Return: Mon Mar 13 2017 Trip spans 4 days
Delta
Delta
SEA
ORD
7h 21m
1 stop
ORD
SEA
7h 00m
1 stop
Depart: Fri Nov 4 2016 Return: Sun Nov 6 2016 Trip spans 3 days
Major Airline
Major Airline
SEA
ORD
3h 56m
nonstop
ORD
SEA
4h 39m
nonstop
Depart: Wed Mar 15 2017 Return: Mon Mar 20 2017 Trip spans 6 days
Delta
Delta
SEA
ORD
7h 21m
1 stop
ORD
SEA
8h 55m
1 stop
Depart: Wed Dec 7 2016 Return: Sat Dec 10 2016 Trip spans 4 days
Major Airline
Major Airline
SEA
ORD
4h 03m
nonstop
ORD
SEA
4h 34m
nonstop
Depart: Mon Nov 28 2016 Return: Mon Dec 5 2016 Trip spans 8 days
Major Airline
Major Airline
SEA
ORD
3h 53m
nonstop
ORD
SEA
4h 40m
nonstop
Depart: Wed Jan 25 2017 Return: Wed Feb 15 2017 Trip spans 22 days
Major Airline
Major Airline
SEA
ORD
4h 00m
nonstop
ORD
SEA
4h 35m
nonstop
Direct flights SEA to CHI on Delta
Flight # Depart SEA Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
9133 7:40 am 1:38 pm Oct 3 - Nov 4
9133 7:40 am 1:35 pm Sep 20 - Oct 2
9132 12:35 pm 6:35 pm Oct 3 - Oct 17
9132 12:35 pm 6:35 pm Oct 24 - Oct 26
9132 12:35 pm 6:35 pm Oct 27 - Nov 4
9132 12:35 pm 6:35 pm Oct 23 - Oct 30
9132 12:35 pm 6:35 pm Oct 19 - Oct 25
9132 12:35 pm 6:35 pm Oct 4 - Oct 18
9132 12:35 pm 6:43 pm Sep 30 - Sep 30
9132 12:35 pm 6:43 pm Sep 21 - Oct 2
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Seattle
$63
Destination

Chicago
only $63
only $198
Airlines Airline reviews

156 travelers who booked a flight from Seattle to Chicago rated their chosen airlines with an average of 6.6.

Overall
6.9
Boarding
7.0
Crew
7.5
Comfort
6.4
Food
5.9
Entertainment
5.5