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
Students
under 26
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: Tue Feb 7 2017 Return: Thu Feb 9 2017 Trip spans 3 days
Frontier
Frontier
ORD
SEA
10h 44m
1 stop
SEA
ORD
13h 08m
1 stop
Depart: Sat Jun 3 2017 Return: Wed Jun 7 2017 Trip spans 5 days
Major Airline
Major Airline
ORD
SEA
8h 15m
1 stop
SEA
ORD
13h 10m
1 stop
Depart: Sat Jan 21 2017 Return: Mon Jan 23 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 45m
nonstop
SEA
ORD
3h 59m
nonstop
Depart: Wed Feb 22 2017 Return: Sat Feb 25 2017 Trip spans 4 days
Delta
Delta
MDW
SEA
8h 34m
1 stop
SEA
MDW
6h 32m
1 stop
Depart: Wed Feb 8 2017 Return: Fri Feb 10 2017 Trip spans 3 days
Frontier
Frontier
ORD
SEA
10h 44m
1 stop
SEA
ORD
13h 58m
1 stop
Depart: Wed Mar 15 2017 Return: Wed Mar 29 2017 Trip spans 15 days
Frontier
Frontier
ORD
SEA
11h 43m
1 stop
SEA
ORD
11h 01m
1 stop
Depart: Wed Apr 26 2017 Return: Sat Apr 29 2017 Trip spans 4 days
Frontier
Frontier
ORD
SEA
6h 49m
1 stop
SEA
ORD
9h 30m
1 stop
Depart: Tue Jan 31 2017 Return: Tue Feb 14 2017 Trip spans 15 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 45m
nonstop
SEA
ORD
3h 58m
nonstop
Depart: Wed May 10 2017 Return: Tue May 16 2017 Trip spans 7 days
Frontier
Frontier
ORD
SEA
6h 49m
1 stop
SEA
ORD
8h 25m
1 stop
Depart: Fri Feb 10 2017 Return: Tue Feb 14 2017 Trip spans 5 days
Major Airline
Major Airline
ORD
SEA
4h 40m
nonstop
SEA
ORD
3h 54m
nonstop
Depart: Wed Apr 5 2017 Return: Tue Apr 11 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 30m
nonstop
SEA
ORD
3h 47m
nonstop
Depart: Tue Feb 28 2017 Return: Wed Mar 8 2017 Trip spans 9 days
Delta
Delta
MDW
SEA
7h 29m
1 stop
SEA
MDW
8h 06m
1 stop
Depart: Fri Feb 24 2017 Return: Sat Mar 4 2017 Trip spans 9 days
Major Airline
Major Airline
ORD
SEA
4h 40m
nonstop
SEA
ORD
3h 54m
nonstop
Depart: Wed Mar 1 2017 Return: Wed Mar 8 2017 Trip spans 8 days
Delta
Delta
MDW
SEA
6h 33m
1 stop
SEA
MDW
8h 06m
1 stop
Depart: Mon Mar 20 2017 Return: Mon Mar 27 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 36m
nonstop
SEA
ORD
3h 41m
nonstop
Depart: Thu Mar 16 2017 Return: Sun Mar 19 2017 Trip spans 4 days
Major Airline
Major Airline
ORD
SEA
4h 36m
nonstop
SEA
ORD
3h 51m
nonstop
Depart: Fri May 12 2017 Return: Sat May 20 2017 Trip spans 9 days
Frontier
Frontier
ORD
SEA
6h 49m
1 stop
SEA
ORD
9h 30m
1 stop
Depart: Thu May 4 2017 Return: Sat May 6 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 27m
nonstop
SEA
ORD
3h 52m
nonstop
Depart: Fri Feb 10 2017 Return: Wed Feb 15 2017 Trip spans 6 days
Delta
Delta
MDW
SEA
8h 24m
1 stop
SEA
MDW
6h 09m
1 stop
Depart: Mon Mar 20 2017 Return: Sun Mar 26 2017 Trip spans 7 days
Major Airline
Major Airline
ORD
SEA
4h 33m
nonstop
SEA
ORD
3h 54m
nonstop
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 10:45 am Jan 19 - Jan 30
9130 8:00 am 10:40 am Feb 17 - Feb 23
9130 8:00 am 10:40 am Feb 24 - Feb 27
9130 8:00 am 10:40 am Feb 25 - Mar 8
9130 8:00 am 10:40 am Feb 16 - Feb 22
9130 8:00 am 10:40 am Feb 6 - Feb 12
9130 8:00 am 10:40 am Feb 7 - Feb 15
9130 8:00 am 10:45 am Feb 1 - Feb 5
9130 8:00 am 10:45 am Jan 22 - Jan 31
9131 2:05 pm 4:45 pm Feb 6 - Mar 2
9131 2:05 pm 4:50 pm Jan 27 - Jan 27
9131 2:05 pm 4:45 pm Feb 11 - Feb 25
9131 2:05 pm 4:50 pm Jan 28 - Feb 5
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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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Airports
Origin

Chicago
only $191
only $314
Destination

Seattle
$191
Airlines Airline reviews

175 travelers who booked a flight from Chicago to Seattle rated their chosen airlines with an average of 6.6.

Overall
6.6
Boarding
7.0
Crew
7.7
Comfort
6.4
Food
5.5
Entertainment
5.4