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 Apr 19 2016 Return: Tue Apr 26 2016 Trip spans 8 days
Frontier
Frontier
SEA
ORD
4h 11m
nonstop
ORD
SEA
4h 40m
nonstop
Depart: Mon Apr 18 2016 Return: Tue May 3 2016 Trip spans 16 days
Alaska Airlines
Alaska Airlines
SEA
ORD
3h 52m
nonstop
ORD
SEA
4h 20m
nonstop
Depart: Tue Apr 26 2016 Return: Tue May 3 2016 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
ORD
3h 55m
nonstop
ORD
SEA
4h 24m
nonstop
Depart: Thu May 12 2016 Return: Tue May 17 2016 Trip spans 6 days
Frontier
Frontier
SEA
ORD
4h 11m
nonstop
ORD
SEA
4h 40m
nonstop
Depart: Thu May 19 2016 Return: Tue May 24 2016 Trip spans 6 days
Frontier
Frontier
SEA
ORD
4h 11m
nonstop
ORD
SEA
4h 40m
nonstop
Depart: Thu Jul 28 2016 Return: Tue Aug 2 2016 Trip spans 6 days
Frontier
Frontier
SEA
ORD
3h 55m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Tue Mar 1 2016 Return: Wed Mar 2 2016 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
ORD
3h 59m
nonstop
ORD
SEA
4h 40m
nonstop
Depart: Tue Mar 8 2016 Return: Wed Mar 9 2016 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
ORD
3h 59m
nonstop
ORD
SEA
4h 40m
nonstop
Depart: Thu Aug 4 2016 Return: Wed Aug 10 2016 Trip spans 7 days
Frontier
Frontier
SEA
ORD
3h 55m
nonstop
ORD
SEA
9h 35m
1 stop
Depart: Thu Apr 28 2016 Return: Sun May 1 2016 Trip spans 4 days
Frontier
Frontier
SEA
ORD
6h 11m
1 stop
ORD
SEA
4h 40m
nonstop
Depart: Thu Jun 9 2016 Return: Thu Jun 16 2016 Trip spans 8 days
Frontier
Frontier
SEA
ORD
4h 11m
nonstop
ORD
SEA
4h 40m
nonstop
Depart: Sun Jun 19 2016 Return: Thu Jun 30 2016 Trip spans 12 days
Frontier
Frontier
SEA
ORD
4h 11m
nonstop
ORD
SEA
4h 40m
nonstop
Depart: Thu May 5 2016 Return: Sun May 8 2016 Trip spans 4 days
United
United
SEA
ORD
3h 44m
nonstop
ORD
SEA
7h 56m
1 stop
Depart: Thu Apr 14 2016 Return: Mon Apr 18 2016 Trip spans 5 days
Frontier
Frontier
SEA
ORD
13h 32m
1 stop
ORD
SEA
9h 50m
1 stop
Depart: Tue Jun 7 2016 Return: Sun Jun 12 2016 Trip spans 6 days
Frontier
Frontier
SEA
ORD
4h 11m
nonstop
ORD
SEA
4h 40m
nonstop
Depart: Tue Jul 12 2016 Return: Sun Jul 17 2016 Trip spans 6 days
Frontier
Frontier
SEA
ORD
3h 55m
nonstop
ORD
SEA
4h 35m
nonstop
Depart: Wed Aug 24 2016 Return: Wed Sep 7 2016 Trip spans 15 days
Spirit Airlines
Spirit Airlines
SEA
ORD
13h 08m
1 stop
ORD
SEA
11h 41m
1 stop
Depart: Sun Feb 28 2016 Return: Mon Feb 29 2016 Trip spans 2 days
American Airlines
American Airlines
SEA
ORD
4h 02m
nonstop
ORD
SEA
4h 38m
nonstop
Depart: Tue Apr 12 2016 Return: Tue Apr 19 2016 Trip spans 8 days
Delta
Delta
SEA
MDW
8h 56m
2 stops
MDW
SEA
8h 41m
1 stop
Depart: Wed Jun 22 2016 Return: Wed Jul 6 2016 Trip spans 15 days
Southwest
Southwest
SEA
MDW
3h 50m
nonstop
MDW
SEA
4h 25m
nonstop
Direct flights SEA to CHI on Delta
Flight # Depart SEA Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
9008 8:30 am 2:24 pm Mar 14 - Mar 14
9008 8:30 am 2:28 pm Mar 9 - Mar 11
9008 8:30 am 2:28 pm Mar 8 - Mar 12
9008 8:30 am 2:28 pm Mar 1 - Mar 6
9008 8:30 am 2:28 pm Feb 29 - Feb 29
9008 8:30 am 2:28 pm Mar 7 - Mar 7
9008 8:30 am 2:28 pm Feb 22 - Feb 28
9008 8:30 am 2:28 pm Feb 21 - Feb 23
9008 8:30 am 2:28 pm Feb 14 - Feb 20
9008 8:30 am 2:24 pm Mar 13 - Mar 20
9008 8:30 am 2:24 pm Mar 15 - Mar 23
9115 12:35 pm 6:25 pm Mar 14 - Mar 15
9115 12:35 pm 6:25 pm Mar 13 - Mar 20
9039 12:40 pm 6:38 pm Feb 25 - Mar 3
9039 12:40 pm 6:38 pm Feb 14 - Feb 23
9039 12:40 pm 6:38 pm Mar 11 - Mar 11
9039 12:40 pm 6:38 pm Mar 6 - Mar 10
9039 12:40 pm 6:38 pm Mar 4 - Mar 4
9039 12:40 pm 6:38 pm Feb 24 - Feb 29
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

Here's why:

We’re not the seller
At KAYAK we don’t set prices, so it’s not possible for us to guarantee what other companies are selling.

We aggregate tons of data for you
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 don'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.

More questions or if you have a bad price to report to us
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Airports
Origin

Seattle
$208
Destination

Chicago
only $208
only $381