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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: Tue Mar 24 2015 Trip spans 7 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: Mon Mar 30 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
8:40p
ORD
12:30a
3h 50m
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: Sun Mar 22 2015 Return: Tue Mar 31 2015 Trip spans 10 days
American Airlines
American Airlines
ORD
4:25a
SEA
9:00a
4h 35m
nonstop
SEA
10:40a
ORD
2:46p
4h 06m
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: 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 Mar 28 2015 Return: Wed Apr 8 2015 Trip spans 12 days
United
United
ORD
3:07p
SEA
7:44p
4h 37m
nonstop
SEA
6:58p
ORD
10:57p
3h 59m
nonstop
Depart: Tue Mar 31 2015 Return: Wed Apr 1 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: Mon Mar 30 2015 Return: Tue Mar 31 2015 Trip spans 2 days
American Airlines
American Airlines
ORD
1:45p
SEA
10:05p
8h 20m
1 stop
SEA
7:20a
ORD
11:27a
4h 07m
nonstop
Depart: Fri Mar 13 2015 Return: Mon Apr 13 2015 Trip spans 32 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
SEA
8:35p
ORD
12:30a
3h 55m
nonstop
Depart: Wed Apr 8 2015 Return: Sat Apr 11 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
ORD
3:30a
SEA
8:05a
4h 35m
nonstop
SEA
1:00a
ORD
5:05a
4h 05m
nonstop
Depart: Mon Mar 16 2015 Return: Thu Mar 26 2015 Trip spans 11 days
United
United
ORD
1:25a
SEA
8:02a
6h 37m
1 stop
SEA
9:51a
ORD
1:48p
3h 57m
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: Fri Apr 17 2015 Return: Sat Apr 18 2015 Trip spans 2 days
US Airways
US Airways
ORD
1:03p
SEA
5:48p
4h 45m
nonstop
SEA
10:40a
ORD
2:46p
4h 06m
nonstop
Depart: Sat Jun 6 2015 Return: Tue Jun 9 2015 Trip spans 4 days
Delta
Delta
MDW
1:10p
SEA
7:10p
6h 00m
1 stop
SEA
8:55p
MDW
4:30a
7h 35m
1 stop
Depart: Tue Jun 9 2015 Return: Wed Jun 10 2015 Trip spans 2 days
Delta
Delta
ORD
2:30p
SEA
8:55p
6h 25m
1 stop
SEA
6:15a
ORD
11:47a
5h 32m
1 stop
Depart: Mon Jul 6 2015 Return: Thu Jul 9 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 10:27 am Apr 5 - Apr 19
9015 8:00 am 10:30 am Mar 31 - Apr 3
9015 8:00 am 10:27 am Apr 6 - Apr 23
9015 8:00 am 10:30 am Mar 11 - Mar 18
9015 8:00 am 10:30 am Mar 24 - Mar 24
9015 8:00 am 10:30 am Mar 19 - Mar 30
9015 8:00 am 10:30 am Mar 17 - Mar 17
9015 8:00 am 10:30 am Mar 10 - Mar 10
9015 8:00 am 10:30 am Mar 9 - Mar 16
9015 8:00 am 10:30 am Mar 25 - Apr 1
9015 8:15 am 10:45 am Mar 8 - Mar 8
8992 3:25 pm 5:50 pm Apr 6 - Apr 14
8992 3:25 pm 5:50 pm Apr 4 - Apr 4
8992 3:25 pm 5:50 pm Mar 27 - Apr 2
8992 3:25 pm 5:50 pm Mar 23 - Mar 29
8992 3:25 pm 5:50 pm Apr 3 - Apr 9
8992 3:25 pm 5:50 pm Mar 25 - Mar 28
8992 3:25 pm 5:50 pm Mar 8 - Mar 14
8992 3:25 pm 5:50 pm Mar 12 - Mar 19
8992 3:25 pm 5:50 pm Mar 15 - Mar 22
8992 3:25 pm 5:50 pm Mar 16 - Mar 20
Airports
Origin

Chicago
only $247
only $342
Destination

Seattle
$247