Find Cheap 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 Oct 24 2017 Return: Tue Oct 31 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
ORD
8h 54m
1 stop
ORD
SEA
11h 04m
1 stop
Depart: Wed Dec 6 2017 Return: Sat Dec 9 2017 Trip spans 4 days
Frontier
Frontier
SEA
ORD
21h 10m
1 stop
ORD
SEA
21h 49m
1 stop
Depart: Mon Nov 13 2017 Return: Tue Nov 14 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
SEA
ORD
14h 30m
1 stop
ORD
SEA
11h 45m
1 stop
Depart: Sat Nov 4 2017 Return: Tue Nov 7 2017 Trip spans 4 days
Delta
Delta
SEA
ORD
4h 06m
nonstop
ORD
SEA
4h 49m
nonstop
Depart: Tue Oct 31 2017 Return: Tue Nov 7 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
ORD
6h 36m
1 stop
ORD
SEA
8h 30m
1 stop
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
ORD
6h 36m
1 stop
ORD
SEA
8h 30m
1 stop
Depart: Sat Dec 9 2017 Return: Tue Dec 12 2017 Trip spans 4 days
Frontier
Frontier
SEA
ORD
21h 03m
1 stop
ORD
SEA
16h 57m
1 stop
Depart: Tue Nov 7 2017 Return: Tue Nov 14 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
ORD
6h 36m
1 stop
ORD
SEA
7h 26m
1 stop
Depart: Wed Nov 1 2017 Return: Tue Nov 7 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
SEA
ORD
3h 54m
nonstop
ORD
SEA
17h 15m
1 stop
Depart: Wed Nov 8 2017 Return: Wed Nov 15 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
ORD
6h 36m
1 stop
ORD
SEA
7h 26m
1 stop
Depart: Thu Nov 30 2017 Return: Mon Dec 4 2017 Trip spans 5 days
Frontier
Frontier
SEA
ORD
16h 25m
1 stop
ORD
SEA
21h 42m
1 stop
Depart: Sat Nov 11 2017 Return: Sat Nov 18 2017 Trip spans 8 days
Delta
Delta
SEA
ORD
4h 08m
nonstop
ORD
SEA
4h 41m
nonstop
Depart: Tue Dec 5 2017 Return: Wed Dec 6 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
SEA
ORD
6h 30m
1 stop
ORD
SEA
11h 45m
1 stop
Depart: Mon Dec 4 2017 Return: Mon Dec 11 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
SEA
ORD
3h 51m
nonstop
ORD
SEA
21h 44m
1 stop
Depart: Sat Nov 18 2017 Return: Tue Nov 21 2017 Trip spans 4 days
Delta
Delta
SEA
ORD
4h 02m
nonstop
ORD
SEA
4h 42m
nonstop
Depart: Sat Nov 4 2017 Return: Sat Nov 11 2017 Trip spans 8 days
Frontier
Frontier
SEA
ORD
21h 40m
1 stop
ORD
SEA
12h 08m
1 stop
Depart: Sat Dec 9 2017 Return: Sun Dec 10 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
SEA
ORD
3h 56m
nonstop
ORD
SEA
10h 10m
1 stop
Depart: Sun Nov 5 2017 Return: Tue Nov 14 2017 Trip spans 10 days
Frontier
Frontier
SEA
ORD
16h 25m
1 stop
ORD
SEA
17h 15m
1 stop
Depart: Tue Oct 31 2017 Return: Fri Nov 3 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
SEA
ORD
6h 36m
1 stop
ORD
SEA
10h 20m
2 stops
Depart: Wed Nov 1 2017 Return: Thu Nov 30 2017 Trip spans 30 days
Delta
Delta
SEA
ORD
4h 04m
nonstop
ORD
SEA
4h 54m
nonstop
Direct flights SEA to CHI on American Airlines
Flight # Depart SEA Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
1097 7:00 am 1:03 pm Oct 13 - Oct 25
1097 7:00 am 1:03 pm Oct 26 - Oct 27
1097 7:00 am 1:03 pm Oct 28 - Oct 28
1097 7:00 am 1:03 pm Oct 29 - Nov 3
1097 7:00 am 1:03 pm Oct 31 - Nov 4
1097 7:00 am 1:05 pm Nov 5 - Nov 6
1097 7:00 am 1:05 pm Nov 7 - Nov 7
1097 7:00 am 1:05 pm Nov 8 - Nov 15
1097 7:00 am 1:05 pm Nov 9 - Nov 16
1097 7:00 am 1:05 pm Nov 10 - Nov 17
1097 7:00 am 1:05 pm Nov 18 - Dec 11
1097 7:00 am 1:05 pm Nov 21 - Nov 28
1097 7:00 am 1:05 pm Nov 22 - Nov 22
2261 10:02 am 4:05 pm Oct 13 - Oct 25
2261 10:02 am 4:05 pm Oct 26 - Oct 27
2261 10:02 am 4:05 pm Oct 28 - Oct 28
2261 10:02 am 4:05 pm Oct 29 - Nov 3
2261 10:02 am 4:05 pm Oct 31 - Nov 4
2261 10:11 am 4:09 pm Nov 5 - Nov 6
2261 10:11 am 4:09 pm Nov 7 - Nov 7
2261 10:11 am 4:09 pm Nov 9 - Nov 21
2261 10:11 am 4:09 pm Nov 10 - Dec 11
2261 10:13 am 4:11 pm Nov 11 - Nov 11
2261 10:13 am 4:11 pm Nov 18 - Dec 9
2573 2:36 pm 8:35 pm Oct 12 - Oct 27
2573 2:36 pm 8:35 pm Oct 17 - Oct 25
2573 2:36 pm 8:35 pm Oct 28 - Oct 28
2573 2:36 pm 8:35 pm Oct 29 - Nov 3
2573 2:36 pm 8:35 pm Nov 4 - Nov 4
2573 2:36 pm 8:33 pm Nov 5 - Nov 7
2573 2:36 pm 8:33 pm Nov 8 - Nov 20
2573 2:36 pm 8:33 pm Nov 21 - Nov 22
2631 4:00 pm 10:02 pm Oct 28 - Nov 4
2631 5:25 pm 11:23 pm Oct 12 - Nov 3
1624 11:59 pm 5:49 am Oct 8 - Oct 27
1624 11:59 pm 5:49 am Oct 29 - Nov 3
1624 11:59 pm 5:53 am Nov 5 - Nov 17
1624 11:59 pm 5:53 am Nov 19 - Nov 26
* 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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Seattle
$145
Destination

Chicago
$145
Airlines Airline reviews

73 travelers who booked a flight from Seattle to Chicago rated their chosen airlines with an average of 4.9.

Overall
5.0
Boarding
5.3
Crew
6.3
Comfort
4.5
Food
3.7
Entertainment
3.7