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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Book cheap flights from Seattle/Tacoma Intl to Chicago

(Round-trip)
Depart: Tue May 9 2017 Return: Mon May 22 2017 Trip spans 14 days
Spirit Airlines
Spirit Airlines
SEA
ORD
13h 04m
1 stop
ORD
SEA
18h 42m
1 stop
Depart: Wed May 3 2017 Return: Sat May 6 2017 Trip spans 4 days
Frontier
Frontier
SEA
ORD
9h 37m
1 stop
ORD
SEA
7h 06m
1 stop
Depart: Tue Jun 20 2017 Return: Sat Jun 24 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 26m
nonstop
Depart: Wed Jun 21 2017 Return: Sun Jun 25 2017 Trip spans 5 days
Delta
Delta
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Fri Sep 8 2017 Return: Mon Sep 11 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
ORD
3h 42m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Fri Jun 9 2017 Return: Sun Jun 11 2017 Trip spans 3 days
Southwest
Southwest
SEA
MDW
3h 55m
nonstop
MDW
SEA
4h 30m
nonstop
Depart: Thu May 4 2017 Return: Mon May 8 2017 Trip spans 5 days
Frontier
Frontier
SEA
ORD
8h 39m
1 stop
ORD
SEA
7h 06m
1 stop
Depart: Fri Jun 23 2017 Return: Sun Jul 2 2017 Trip spans 10 days
Delta
Delta
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Sat Jul 15 2017 Return: Thu Jul 20 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
ORD
3h 57m
nonstop
ORD
SEA
4h 24m
nonstop
Depart: Fri Jun 30 2017 Return: Sun Jul 9 2017 Trip spans 10 days
Delta
Delta
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Tue Aug 1 2017 Return: Sat Aug 5 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
ORD
3h 47m
nonstop
ORD
SEA
4h 24m
nonstop
Depart: Sat Sep 2 2017 Return: Thu Sep 7 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
ORD
3h 42m
nonstop
ORD
SEA
4h 30m
nonstop
Depart: Mon Jul 3 2017 Return: Sat Jul 8 2017 Trip spans 6 days
Delta
Delta
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Mon Apr 10 2017 Return: Tue Apr 18 2017 Trip spans 9 days
Major Airline
Major Airline
SEA
ORD
12h 01m
nonstop
ORD
SEA
11h 55m
nonstop
Depart: Tue Jul 4 2017 Return: Wed Jul 12 2017 Trip spans 9 days
Delta
Delta
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Wed May 31 2017 Return: Thu Jul 6 2017 Trip spans 37 days
Major Airline
Major Airline
SEA
ORD
4h 03m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Fri Jul 21 2017 Return: Tue Aug 1 2017 Trip spans 12 days
Delta
Delta
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Tue Apr 11 2017 Return: Sun Apr 16 2017 Trip spans 6 days
Frontier
Frontier
SEA
ORD
13h 11m
1 stop
ORD
SEA
17h 13m
1 stop
Depart: Fri Aug 4 2017 Return: Sun Aug 6 2017 Trip spans 3 days
Delta
Delta
SEA
ORD
4h 05m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Fri Jul 21 2017 Return: Sat Jul 29 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
ORD
3h 47m
nonstop
ORD
SEA
4h 35m
nonstop
Direct flights SEA to CHI on American Airlines
Flight # Depart SEA Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
1097 8:00 am 2:11 pm Apr 4 - May 3
1097 8:00 am 2:11 pm Apr 6 - Apr 27
1097 8:00 am 2:11 pm May 4 - Jun 1
2261 9:55 am 4:05 pm Apr 4 - May 3
2261 9:55 am 4:05 pm Apr 6 - Apr 27
2261 9:55 am 4:05 pm May 4 - Jun 1
2573 2:30 pm 8:40 pm May 5 - May 10
2573 2:30 pm 8:40 pm May 6 - Jun 1
1624 11:59 pm 5:57 am Apr 4 - Jun 1
* 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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^ 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
$249
Destination

Chicago
only $249
only $476
Airlines Airline reviews

198 travelers who booked a flight from Seattle to Chicago rated their chosen airlines with an average of 7.2.

Overall
7.4
Boarding
7.5
Crew
8.0
Comfort
7.1
Food
6.2
Entertainment
5.9