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

Book cheap flights from Chicago to Seattle/Tacoma Intl

(Round-trip)
Depart: Thu Jun 2 2016 Return: Tue Jun 7 2016 Trip spans 6 days
Depart: Fri Jun 3 2016 Return: Wed Jun 8 2016 Trip spans 6 days
Depart: Sat Aug 27 2016 Return: Sat Sep 3 2016 Trip spans 8 days
Depart: Tue Jun 7 2016 Return: Fri Jun 10 2016 Trip spans 4 days
Depart: Fri Jun 17 2016 Return: Mon Jun 27 2016 Trip spans 11 days
Depart: Tue Nov 8 2016 Return: Tue Nov 15 2016 Trip spans 8 days
Depart: Sat Sep 24 2016 Return: Fri Sep 30 2016 Trip spans 7 days
Depart: Sat Aug 20 2016 Return: Mon Aug 29 2016 Trip spans 10 days
Depart: Sat Sep 17 2016 Return: Sat Sep 24 2016 Trip spans 8 days
Depart: Wed Sep 7 2016 Return: Tue Sep 13 2016 Trip spans 7 days
Depart: Tue Nov 22 2016 Return: Mon Nov 28 2016 Trip spans 7 days
Depart: Sat Jul 30 2016 Return: Sat Aug 20 2016 Trip spans 22 days
Depart: Tue Jul 26 2016 Return: Tue Aug 16 2016 Trip spans 22 days
Depart: Thu Jun 9 2016 Return: Wed Jun 15 2016 Trip spans 7 days
Depart: Thu Aug 25 2016 Return: Tue Aug 30 2016 Trip spans 6 days
Depart: Sat Oct 1 2016 Return: Sat Oct 8 2016 Trip spans 8 days
Depart: Mon Oct 3 2016 Return: Tue Oct 4 2016 Trip spans 2 days
Depart: Wed Sep 28 2016 Return: Fri Sep 30 2016 Trip spans 3 days
Depart: Sat Jul 23 2016 Return: Fri Jul 29 2016 Trip spans 7 days
Depart: Thu Sep 1 2016 Return: Tue Sep 6 2016 Trip spans 6 days
Direct flights CHI to SEA on Delta
Flight # Depart ORD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
9017 8:00 am 10:30 am Jun 27 - Jul 3
9017 8:00 am 10:30 am Jun 26 - Jun 28
9017 8:00 am 10:30 am Jul 4 - Jul 8
9017 8:00 am 10:30 am Jul 5 - Jul 6
9017 8:00 am 10:30 am Jul 7 - Jul 7
9020 8:00 am 10:30 am Jun 23 - Jun 23
9020 8:00 am 10:30 am Jun 21 - Jun 24
9020 8:00 am 10:30 am Jun 15 - Jun 22
9020 8:00 am 10:30 am Jun 13 - Jun 19
9020 8:00 am 10:30 am Jun 12 - Jun 14
9020 8:00 am 10:30 am Jun 7 - Jun 9
9020 8:00 am 10:30 am Jun 5 - Jun 10
8992 2:40 pm 5:14 pm Jul 2 - Jul 9
9020 2:40 pm 5:14 pm Jun 25 - Jul 1
9020 2:40 pm 5:14 pm Jun 27 - Jun 27
9020 2:40 pm 5:14 pm Jul 3 - Jul 8
9021 2:40 pm 5:14 pm Jun 9 - Jun 9
9021 2:40 pm 5:14 pm Jun 14 - Jun 14
9021 2:40 pm 5:14 pm Jun 16 - Jun 24
9021 2:40 pm 5:14 pm Jun 21 - Jun 21
9021 2:40 pm 5:14 pm Jun 5 - Jun 15
9021 2:40 pm 5:14 pm Jun 7 - Jun 10
* 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

Chicago
only $177
only $216
Destination

Seattle
$177