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: Wed May 3 2017 Return: Tue May 9 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
ORD
SEA
8h 38m
1 stop
SEA
ORD
15h 30m
1 stop
Depart: Mon Jun 19 2017 Return: Fri Jun 23 2017 Trip spans 5 days
Delta
Delta
ORD
SEA
4h 35m
nonstop
SEA
ORD
4h 05m
nonstop
Depart: Tue May 2 2017 Return: Sat May 6 2017 Trip spans 5 days
Frontier
Frontier
ORD
SEA
19h 35m
1 stop
SEA
ORD
7h 24m
1 stop
Depart: Tue May 2 2017 Return: Tue May 9 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 27m
nonstop
SEA
ORD
3h 57m
nonstop
Depart: Tue Apr 18 2017 Return: Mon Apr 24 2017 Trip spans 7 days
Major Airline
Major Airline
ORD
SEA
4h 23m
nonstop
SEA
ORD
4h 05m
nonstop
Depart: Thu May 11 2017 Return: Mon May 15 2017 Trip spans 5 days
Southwest
Southwest
MDW
SEA
4h 25m
nonstop
SEA
MDW
4h 05m
nonstop
Depart: Wed May 17 2017 Return: Mon May 22 2017 Trip spans 6 days
Spirit Airlines
Spirit Airlines
ORD
SEA
11h 25m
1 stop
SEA
ORD
13h 04m
1 stop
Depart: Tue Jun 20 2017 Return: Mon Jun 26 2017 Trip spans 7 days
Delta
Delta
ORD
SEA
4h 35m
nonstop
SEA
ORD
4h 05m
nonstop
Depart: Fri Jun 23 2017 Return: Sun Jun 25 2017 Trip spans 3 days
Delta
Delta
ORD
SEA
4h 35m
nonstop
SEA
ORD
4h 05m
nonstop
Depart: Tue Apr 25 2017 Return: Sat Apr 29 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 27m
nonstop
SEA
ORD
3h 52m
nonstop
Depart: Thu Apr 27 2017 Return: Sun Apr 30 2017 Trip spans 4 days
Major Airline
Major Airline
ORD
SEA
4h 30m
nonstop
SEA
ORD
4h 05m
nonstop
Depart: Tue Apr 4 2017 Return: Wed Apr 5 2017 Trip spans 2 days
Frontier
Frontier
ORD
SEA
11h 43m
1 stop
SEA
ORD
11h 02m
1 stop
Depart: Sun Jul 2 2017 Return: Mon Jul 10 2017 Trip spans 9 days
Delta
Delta
ORD
SEA
4h 35m
nonstop
SEA
ORD
4h 05m
nonstop
Depart: Thu Sep 21 2017 Return: Mon Sep 25 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 28m
nonstop
SEA
ORD
3h 42m
nonstop
Depart: Mon Jul 3 2017 Return: Sun Jul 9 2017 Trip spans 7 days
Delta
Delta
ORD
SEA
4h 35m
nonstop
SEA
ORD
4h 05m
nonstop
Depart: Wed Jul 12 2017 Return: Wed Jul 19 2017 Trip spans 8 days
Frontier
Frontier
ORD
SEA
7h 06m
1 stop
SEA
ORD
7h 25m
1 stop
Depart: Sat Sep 2 2017 Return: Sun Sep 10 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
ORD
SEA
4h 35m
nonstop
SEA
ORD
3h 45m
nonstop
Depart: Thu Jul 13 2017 Return: Mon Jul 17 2017 Trip spans 5 days
Delta
Delta
ORD
SEA
4h 35m
nonstop
SEA
ORD
4h 05m
nonstop
Depart: Tue Jun 13 2017 Return: Sun Jun 18 2017 Trip spans 6 days
Major Airline
Major Airline
ORD
SEA
4h 26m
nonstop
SEA
ORD
4h 13m
nonstop
Depart: Thu Jul 27 2017 Return: Fri Aug 4 2017 Trip spans 9 days
Delta
Delta
ORD
SEA
4h 35m
nonstop
SEA
ORD
4h 05m
nonstop
Direct flights CHI to SEA on American Airlines
Flight # Depart ORD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
1239 10:25 am 12:49 pm Apr 4 - May 5
1239 10:25 am 12:49 pm Apr 8 - Apr 29
1239 10:25 am 12:49 pm May 6 - Jun 1
1438 1:50 pm 4:16 pm Apr 4 - May 31
1085 5:25 pm 7:50 pm Apr 4 - May 4
1085 5:47 pm 8:09 pm May 5 - Jun 1
2419 8:05 pm 10:33 pm May 5 - May 31
2419 8:05 pm 10:33 pm May 6 - Jun 1
1438 8:15 pm 10:43 pm Apr 9 - Apr 23
1438 8:15 pm 10:43 pm Apr 30 - Apr 30
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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 $215
only $402
Destination

Seattle
$215
Airlines Airline reviews

183 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
6.5
Food
5.7
Entertainment
5.5