Browse Origins:
Browse Destinations:

Find Flight Deals from Chicago to Seattle/Tacoma Intl (CHI - SEA)

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: Tue Mar 17 2015 Return: Wed Mar 18 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
2:15p
ORD
5:56p
3h 41m
nonstop
Depart: Wed Mar 18 2015 Return: Wed Mar 25 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
2:15p
ORD
5:56p
3h 41m
nonstop
Depart: Tue Mar 24 2015 Return: Wed Mar 25 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
2:15p
ORD
5:56p
3h 41m
nonstop
Depart: Wed Mar 25 2015 Return: Mon Mar 30 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
8:40p
ORD
12:30a
3h 50m
nonstop
Depart: Sat Mar 14 2015 Return: Tue Mar 17 2015 Trip spans 4 days
United
United
ORD
3:06p
SEA
7:43p
4h 37m
nonstop
SEA
6:45a
ORD
3:20p
8h 35m
1 stop
Depart: Tue Mar 10 2015 Return: Thu Mar 12 2015 Trip spans 3 days
American Airlines
American Airlines
ORD
4:50p
SEA
9:25p
4h 35m
nonstop
SEA
4:51a
ORD
8:47a
3h 56m
nonstop
Depart: Wed Mar 11 2015 Return: Thu Mar 12 2015 Trip spans 2 days
American Airlines
American Airlines
ORD
4:50p
SEA
9:25p
4h 35m
nonstop
SEA
4:51a
ORD
8:47a
3h 56m
nonstop
Depart: Thu Mar 12 2015 Return: Tue Mar 17 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
2:15p
ORD
5:56p
3h 41m
nonstop
Depart: Fri Mar 13 2015 Return: Tue Mar 17 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
2:15p
ORD
5:56p
3h 41m
nonstop
Depart: Sun Mar 15 2015 Return: Wed Mar 18 2015 Trip spans 4 days
American Airlines
American Airlines
ORD
4:25a
SEA
9:00a
4h 35m
nonstop
SEA
10:37a
ORD
2:30p
3h 53m
nonstop
Depart: Mon Mar 16 2015 Return: Wed Mar 18 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
2:15p
ORD
5:56p
3h 41m
nonstop
Depart: Thu Mar 19 2015 Return: Tue Mar 24 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
2:15p
ORD
5:56p
3h 41m
nonstop
Depart: Mon Mar 23 2015 Return: Tue Mar 24 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
2:15p
ORD
5:56p
3h 41m
nonstop
Depart: Thu Mar 26 2015 Return: Mon Mar 30 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
8:40p
ORD
12:30a
3h 50m
nonstop
Depart: Sat May 2 2015 Return: Tue May 12 2015 Trip spans 11 days
Frontier
Frontier
ORD
11:25a
SEA
8:19p
8h 54m
1 stop
SEA
6:20a
ORD
5:30p
11h 10m
1 stop
Depart: Tue Apr 28 2015 Return: Fri May 1 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
ORD
4:00a
SEA
8:27a
4h 27m
nonstop
SEA
3:15a
ORD
9:04a
5h 49m
1 stop
Depart: Fri Apr 24 2015 Return: Wed Apr 29 2015 Trip spans 6 days
Delta
Delta
MDW
8:55a
SEA
4:56p
8h 01m
1 stop
SEA
5:20a
MDW
10:35a
5h 15m
1 stop
Depart: Mon Apr 6 2015 Return: Thu Apr 9 2015 Trip spans 4 days
Delta
Delta
ORD
2:38p
SEA
9:00p
6h 22m
1 stop
SEA
9:10a
ORD
6:04p
8h 54m
1 stop
Depart: Sat May 23 2015 Return: Tue Jun 2 2015 Trip spans 11 days
US Airways
US Airways
ORD
1:05p
SEA
9:13p
8h 08m
1 stop
SEA
10:00a
ORD
2:01p
4h 01m
nonstop
Depart: Thu Aug 13 2015 Return: Sun Aug 16 2015 Trip spans 4 days
Sun Country Air
Sun Country Air
MDW
4:00a
SEA
10:09a
6h 09m
1 stop
SEA
9:05a
MDW
2:45p
5h 40m
1 stop
Change your search
Direct flights CHI to SEA on Delta
Flight # Depart ORD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
9015 8:00 am 10:30 am Mar 9 - Mar 16
9015 8:00 am 10:30 am Mar 10 - Mar 10
9015 8:00 am 10:30 am Mar 17 - Mar 17
9015 8:00 am 10:30 am Mar 11 - Mar 18
9015 8:00 am 10:27 am Apr 5 - Apr 19
9015 8:00 am 10:30 am Mar 31 - Apr 3
9015 8:00 am 10:30 am Mar 25 - Apr 1
9015 8:00 am 10:30 am Mar 24 - Mar 24
9015 8:00 am 10:30 am Mar 19 - Mar 30
9015 8:15 am 10:45 am Mar 8 - Mar 8
8992 3:20 pm 5:55 pm Mar 5 - Mar 7
8992 3:25 pm 5:50 pm Mar 25 - Mar 28
8992 3:25 pm 5:50 pm Mar 23 - Mar 29
8992 3:25 pm 5:50 pm Mar 16 - Mar 20
8992 3:25 pm 5:50 pm Mar 15 - Mar 22
8992 3:25 pm 5:50 pm Apr 3 - Apr 9
8992 3:25 pm 5:50 pm Mar 12 - Mar 19
8992 3:25 pm 5:50 pm Mar 8 - Mar 14
8992 3:25 pm 5:50 pm Mar 27 - Apr 2
8992 3:25 pm 5:50 pm Apr 4 - Apr 4
Airports
Origin

Chicago
only $247
only $284
Destination

Seattle
$247