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.
Compare vs. KAYAK all | none
✓ I am a student   change
Browse Origins:
Browse Destinations:

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: Fri Oct 21 2016 Return: Sat Oct 29 2016 Trip spans 9 days
Major Airline
Major Airline
ORD
SEA
4h 25m
nonstop
SEA
ORD
3h 46m
nonstop
Depart: Wed Nov 9 2016 Return: Tue Nov 15 2016 Trip spans 7 days
United
United
ORD
SEA
4h 33m
nonstop
SEA
ORD
3h 54m
nonstop
Depart: Wed Dec 7 2016 Return: Tue Dec 13 2016 Trip spans 7 days
American Airlines
American Airlines
ORD
SEA
4h 36m
nonstop
SEA
ORD
3h 59m
nonstop
Depart: Fri Sep 30 2016 Return: Sat Oct 15 2016 Trip spans 16 days
Frontier
Frontier
ORD
SEA
4h 30m
nonstop
SEA
ORD
4h 01m
nonstop
Depart: Thu Sep 29 2016 Return: Sun Oct 2 2016 Trip spans 4 days
Southwest
Southwest
MDW
SEA
4h 25m
nonstop
SEA
MDW
4h 05m
nonstop
Depart: Tue Jan 10 2017 Return: Wed Jan 11 2017 Trip spans 2 days
Major Airline
Major Airline
ORD
SEA
4h 45m
nonstop
SEA
ORD
4h 00m
nonstop
Depart: Sat Oct 8 2016 Return: Sat Oct 15 2016 Trip spans 8 days
Delta
Delta
MDW
SEA
6h 21m
1 stop
SEA
MDW
6h 00m
1 stop
Depart: Wed Nov 30 2016 Return: Wed Dec 7 2016 Trip spans 8 days
United
United
ORD
SEA
7h 41m
1 stop
SEA
ORD
7h 21m
1 stop
Depart: Wed Feb 1 2017 Return: Tue Feb 7 2017 Trip spans 7 days
Major Airline
Major Airline
ORD
SEA
4h 40m
nonstop
SEA
ORD
3h 58m
nonstop
Depart: Wed Oct 5 2016 Return: Sun Oct 9 2016 Trip spans 5 days
Frontier
Frontier
ORD
SEA
4h 31m
nonstop
SEA
ORD
4h 01m
nonstop
Depart: Wed Mar 1 2017 Return: Tue Mar 7 2017 Trip spans 7 days
Major Airline
Major Airline
ORD
SEA
4h 40m
nonstop
SEA
ORD
3h 54m
nonstop
Depart: Fri Sep 30 2016 Return: Sat Oct 15 2016 Trip spans 16 days
Major Airline
Major Airline
ORD
SEA
4h 20m
nonstop
SEA
ORD
4h 01m
nonstop
Depart: Tue Dec 6 2016 Return: Tue Dec 13 2016 Trip spans 8 days
Major Airline
Major Airline
MDW
SEA
4h 35m
nonstop
SEA
MDW
4h 00m
nonstop
Depart: Fri Sep 30 2016 Return: Sun Oct 2 2016 Trip spans 3 days
American Airlines
American Airlines
ORD
SEA
4h 32m
nonstop
SEA
ORD
3h 52m
nonstop
Depart: Tue Jan 10 2017 Return: Tue Jan 17 2017 Trip spans 8 days
Major Airline
Major Airline
MDW
SEA
4h 35m
nonstop
SEA
MDW
4h 00m
nonstop
Depart: Tue Oct 11 2016 Return: Sun Oct 16 2016 Trip spans 6 days
American Airlines
American Airlines
ORD
SEA
9h 42m
1 stop
SEA
ORD
4h 01m
nonstop
Depart: Tue Feb 28 2017 Return: Tue Mar 7 2017 Trip spans 8 days
Major Airline
Major Airline
MDW
SEA
4h 45m
nonstop
SEA
MDW
4h 00m
nonstop
Depart: Fri Oct 28 2016 Return: Tue Nov 1 2016 Trip spans 5 days
Major Airline
Major Airline
MDW
SEA
4h 30m
nonstop
SEA
MDW
4h 05m
nonstop
Depart: Tue Mar 7 2017 Return: Tue Mar 14 2017 Trip spans 7 days
Delta
Delta
ORD
SEA
8h 55m
1 stop
SEA
ORD
6h 01m
1 stop
Depart: Sat Feb 18 2017 Return: Wed Feb 22 2017 Trip spans 5 days
Delta
Delta
MDW
SEA
7h 05m
1 stop
SEA
MDW
7h 49m
1 stop
Direct flights CHI to SEA on Delta
Flight # Depart ORD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
9130 8:00 am 10:29 am Oct 21 - Oct 21
9130 8:00 am 10:29 am Oct 23 - Nov 4
9130 8:00 am 10:29 am Oct 3 - Oct 20
9131 2:40 pm 5:10 pm Nov 5 - Nov 5
9131 2:40 pm 5:10 pm Oct 3 - Nov 4
* 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.

We compile tonnes 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 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,
please send us an email and someone from our team will get back to you promptly.

^ 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
only $95
only $144
Destination

Seattle
$95
Airlines Airline reviews

158 travelers who booked a flight from Chicago to Seattle rated their chosen airlines with an average of 5.8.

Overall
6.0
Boarding
6.2
Crew
7.1
Comfort
5.6
Food
4.9
Entertainment
5.0