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: Sat May 7 2016 Return: Wed May 18 2016 Trip spans 12 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 24m
nonstop
SEA
ORD
4h 00m
nonstop
Depart: Wed May 11 2016 Return: Sat May 14 2016 Trip spans 4 days
Major Airline
Major Airline
ORD
SEA
4h 23m
nonstop
SEA
ORD
4h 00m
nonstop
Depart: Tue May 17 2016 Return: Tue May 24 2016 Trip spans 8 days
Delta
Delta
MDW
SEA
9h 27m
1 stop
SEA
MDW
8h 13m
1 stop
Depart: Tue Oct 11 2016 Return: Tue Oct 25 2016 Trip spans 15 days
Frontier
Frontier
ORD
SEA
14h 27m
1 stop
SEA
ORD
14h 01m
1 stop
Depart: Fri Jun 10 2016 Return: Mon Jun 20 2016 Trip spans 11 days
United
United
ORD
SEA
4h 31m
nonstop
SEA
ORD
6h 03m
1 stop
Depart: Fri May 13 2016 Return: Mon May 16 2016 Trip spans 4 days
Southwest
Southwest
MDW
SEA
4h 25m
nonstop
SEA
MDW
4h 05m
nonstop
Depart: Sat Jul 9 2016 Return: Sat Jul 16 2016 Trip spans 8 days
American Airlines
American Airlines
ORD
SEA
4h 28m
nonstop
SEA
ORD
3h 49m
nonstop
Depart: Thu May 19 2016 Return: Wed May 25 2016 Trip spans 7 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 25m
nonstop
SEA
ORD
3h 54m
nonstop
Depart: Wed Jun 1 2016 Return: Tue Jun 7 2016 Trip spans 7 days
Major Airline
Major Airline
ORD
SEA
4h 25m
nonstop
SEA
ORD
4h 01m
nonstop
Depart: Mon Jun 13 2016 Return: Tue Jun 14 2016 Trip spans 2 days
Major Airline
Major Airline
ORD
SEA
4h 28m
nonstop
SEA
ORD
3h 59m
nonstop
Depart: Wed Jun 15 2016 Return: Mon Jun 27 2016 Trip spans 13 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 23m
nonstop
SEA
ORD
3h 59m
nonstop
Depart: Thu Jun 9 2016 Return: Tue Jun 14 2016 Trip spans 6 days
Frontier
Frontier
ORD
SEA
4h 36m
nonstop
SEA
ORD
4h 11m
nonstop
Depart: Thu Aug 18 2016 Return: Tue Aug 23 2016 Trip spans 6 days
Delta
Delta
ORD
SEA
6h 55m
1 stop
SEA
ORD
8h 33m
1 stop
Depart: Wed Oct 5 2016 Return: Sun Oct 9 2016 Trip spans 5 days
Frontier
Frontier
ORD
SEA
7h 52m
1 stop
SEA
ORD
14h 01m
1 stop
Depart: Sat Jun 11 2016 Return: Sun Jun 19 2016 Trip spans 9 days
United
United
ORD
SEA
4h 29m
nonstop
SEA
ORD
3h 54m
nonstop
Depart: Tue Jun 14 2016 Return: Tue Jun 21 2016 Trip spans 8 days
Southwest
Southwest
MDW
SEA
4h 25m
nonstop
SEA
MDW
3h 50m
nonstop
Depart: Fri Sep 30 2016 Return: Sun Oct 30 2016 Trip spans 31 days
Delta
Delta
MDW
SEA
8h 48m
1 stop
SEA
MDW
7h 46m
1 stop
Depart: Tue May 10 2016 Return: Fri May 20 2016 Trip spans 11 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 25m
nonstop
SEA
ORD
3h 58m
nonstop
Depart: Sat Jul 30 2016 Return: Mon Aug 8 2016 Trip spans 10 days
United
United
ORD
SEA
4h 31m
nonstop
SEA
ORD
3h 59m
nonstop
Depart: Mon May 9 2016 Return: Wed May 11 2016 Trip spans 3 days
Southwest
Southwest
MDW
SEA
4h 20m
nonstop
SEA
MDW
4h 00m
nonstop
Direct flights CHI to SEA on Delta
Flight # Depart ORD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
9014 8:00 am 10:25 am May 30 - May 30
9014 8:00 am 10:25 am May 31 - May 31
9020 8:00 am 10:25 am Jun 1 - Jun 2
9020 8:00 am 10:25 am May 22 - May 26
9020 8:00 am 10:25 am May 23 - May 27
9020 8:00 am 10:30 am Jun 7 - Jun 9
9020 8:00 am 10:30 am Jun 5 - Jun 10
9020 8:00 am 10:25 am Jun 3 - Jun 3
9022 8:00 am 10:25 am May 20 - May 20
9022 8:00 am 10:25 am May 15 - May 19
9024 8:00 am 10:25 am May 10 - May 13
9021 2:40 pm 5:14 pm Jun 9 - Jun 9
9021 2:40 pm 5:14 pm Jun 7 - Jun 10
9021 2:40 pm 5:14 pm Jun 5 - Jun 15
8992 3:30 pm 5:55 pm May 21 - May 21
9021 3:30 pm 5:55 pm Jun 1 - Jun 3
9021 3:30 pm 5:50 pm Jun 4 - Jun 4
9022 3:30 pm 5:55 pm May 30 - May 30
9022 3:30 pm 5:55 pm May 31 - May 31
9022 3:30 pm 5:55 pm May 22 - May 29
9022 3:30 pm 5:55 pm May 23 - May 28
9023 3:30 pm 5:55 pm May 14 - May 20
9023 3:30 pm 5:55 pm May 17 - May 17
9023 3:30 pm 5:55 pm May 18 - May 18
9025 3:30 pm 5:55 pm May 9 - May 12
9025 3:30 pm 5:55 pm May 8 - May 13
* 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 $197
only $214
Destination

Seattle
$197