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

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 Chicago to Seattle/Tacoma Intl

(Round-trip)
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
ORD
SEA
7h 29m
1 stop
SEA
ORD
8h 54m
1 stop
Depart: Wed Oct 11 2017 Return: Tue Oct 17 2017 Trip spans 7 days
Frontier
Frontier
ORD
SEA
12h 18m
1 stop
SEA
ORD
17h 24m
1 stop
Depart: Sun Dec 17 2017 Return: Sat Jan 6 2018 Trip spans 21 days
Spirit Airlines
Spirit Airlines
ORD
SEA
19h 25m
1 stop
SEA
ORD
15h 53m
1 stop
Depart: Tue Oct 17 2017 Return: Tue Oct 24 2017 Trip spans 8 days
Frontier
Frontier
ORD
SEA
9h 37m
1 stop
SEA
ORD
17h 24m
1 stop
Depart: Wed Oct 18 2017 Return: Tue Oct 24 2017 Trip spans 7 days
Frontier
Frontier
ORD
SEA
12h 18m
1 stop
SEA
ORD
17h 24m
1 stop
Depart: Tue Oct 24 2017 Return: Mon Nov 6 2017 Trip spans 14 days
Frontier
Frontier
ORD
SEA
9h 37m
1 stop
SEA
ORD
19h 15m
1 stop
Depart: Mon Oct 16 2017 Return: Tue Oct 24 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
ORD
SEA
4h 50m
nonstop
SEA
ORD
15h 05m
1 stop
Depart: Tue Oct 31 2017 Return: Fri Nov 10 2017 Trip spans 11 days
Frontier
Frontier
ORD
SEA
9h 37m
1 stop
SEA
ORD
22h 29m
1 stop
Depart: Thu Oct 19 2017 Return: Tue Oct 24 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ORD
SEA
4h 27m
nonstop
SEA
ORD
15h 05m
1 stop
Depart: Wed Nov 1 2017 Return: Tue Nov 7 2017 Trip spans 7 days
Frontier
Frontier
ORD
SEA
7h 29m
1 stop
SEA
ORD
16h 25m
1 stop
Depart: Sun Nov 5 2017 Return: Tue Nov 7 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
ORD
SEA
4h 38m
nonstop
SEA
ORD
15h 05m
1 stop
Depart: Sat Nov 4 2017 Return: Tue Nov 7 2017 Trip spans 4 days
Frontier
Frontier
ORD
SEA
22h 42m
1 stop
SEA
ORD
16h 25m
1 stop
Depart: Thu Oct 12 2017 Return: Tue Oct 17 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ORD
SEA
4h 30m
nonstop
SEA
ORD
15h 05m
1 stop
Depart: Tue Nov 7 2017 Return: Wed Nov 8 2017 Trip spans 2 days
Frontier
Frontier
ORD
SEA
17h 15m
1 stop
SEA
ORD
19h 15m
1 stop
Depart: Thu Oct 26 2017 Return: Wed Nov 1 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
ORD
SEA
9h 37m
1 stop
SEA
ORD
15h 05m
1 stop
Depart: Wed Nov 8 2017 Return: Tue Nov 14 2017 Trip spans 7 days
Frontier
Frontier
ORD
SEA
7h 29m
1 stop
SEA
ORD
16h 25m
1 stop
Depart: Sat Nov 11 2017 Return: Tue Nov 14 2017 Trip spans 4 days
Frontier
Frontier
ORD
SEA
21h 42m
1 stop
SEA
ORD
16h 25m
1 stop
Depart: Tue Dec 5 2017 Return: Tue Dec 12 2017 Trip spans 8 days
Frontier
Frontier
ORD
SEA
10h 02m
1 stop
SEA
ORD
16h 28m
1 stop
Depart: Tue Oct 17 2017 Return: Tue Oct 24 2017 Trip spans 8 days
Frontier
Frontier
ORD
SEA
9h 37m
1 stop
SEA
ORD
17h 24m
1 stop
Depart: Wed Oct 18 2017 Return: Tue Oct 24 2017 Trip spans 7 days
Frontier
Frontier
ORD
SEA
12h 18m
1 stop
SEA
ORD
17h 24m
1 stop
Direct flights CHI to SEA on American Airlines
Flight # Depart ORD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
2554 7:04 am 9:35 am Oct 5 - Nov 4
2554 7:10 am 9:41 am Sep 2 - Oct 4
1239 10:25 am 12:56 pm Oct 5 - Nov 4
1239 10:29 am 1:00 pm Sep 2 - Oct 4
1438 1:44 pm 4:17 pm Sep 10 - Oct 3
1438 1:44 pm 4:17 pm Oct 4 - Oct 4
1438 1:44 pm 4:17 pm Oct 5 - Oct 28
1438 1:44 pm 4:17 pm Oct 29 - Nov 4
1085 5:00 pm 7:33 pm Sep 2 - Nov 4
2419 8:10 pm 10:39 pm Sep 2 - Oct 6
2419 8:10 pm 10:39 pm Sep 5 - Oct 4
2419 8:10 pm 10:39 pm Oct 8 - Oct 23
2419 8:10 pm 10:39 pm Oct 11 - Oct 25
2419 8:10 pm 10:39 pm Oct 12 - Oct 19
2419 8:10 pm 10:39 pm Oct 26 - Oct 27
2419 8:10 pm 10:39 pm Oct 29 - Nov 3
* 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

Chicago
$209
Destination

Seattle
$209
Airlines Airline reviews

84 travelers who booked a flight from Chicago to Seattle rated their chosen airlines with an average of 4.5.

Overall
4.4
Boarding
5.1
Crew
6.5
Comfort
4.1
Food
3.3
Entertainment
2.9