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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: Sat May 2 2015 Return: Mon May 4 2015 Trip spans 3 days
Frontier
Frontier
ORD
10:30a
SEA
9:01p
10h 31m
1 stop
SEA
3:30p
ORD
3:55a
12h 25m
1 stop
Depart: Tue Feb 24 2015 Return: Tue Mar 3 2015 Trip spans 8 days
Frontier
Frontier
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
SEA
2:25p
ORD
6:35a
16h 10m
1 stop
Depart: Wed Mar 4 2015 Return: Tue Mar 10 2015 Trip spans 6 days
Frontier
Frontier
ORD
8:55a
SEA
3:37p
6h 42m
1 stop
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
Depart: Wed Feb 25 2015 Return: Wed Mar 4 2015 Trip spans 8 days
Frontier
Frontier
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
SEA
5:17a
ORD
10:50a
5h 33m
1 stop
Depart: Wed Mar 11 2015 Return: Tue Mar 17 2015 Trip spans 7 days
Frontier
Frontier
ORD
10:05a
SEA
4:20p
6h 15m
1 stop
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
Depart: Tue Mar 24 2015 Return: Mon Mar 30 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
ORD
10:05a
SEA
4:20p
6h 15m
1 stop
SEA
8:40p
ORD
12:30a
3h 50m
nonstop
Depart: Thu Apr 23 2015 Return: Wed Apr 29 2015 Trip spans 7 days
Frontier
Frontier
ORD
9:55a
SEA
4:35p
6h 40m
1 stop
SEA
3:20p
ORD
3:55a
12h 35m
1 stop
Depart: Wed Apr 29 2015 Return: Mon May 4 2015 Trip spans 6 days
Frontier
Frontier
ORD
9:55a
SEA
4:35p
6h 40m
1 stop
SEA
3:30p
ORD
3:55a
12h 25m
1 stop
Depart: Tue Mar 3 2015 Return: Tue Mar 10 2015 Trip spans 7 days
Frontier
Frontier
ORD
8:55a
SEA
3:37p
6h 42m
1 stop
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
Depart: Tue Mar 17 2015 Return: Wed Mar 25 2015 Trip spans 9 days
Frontier
Frontier
ORD
2:55p
SEA
7:40a
16h 45m
1 stop
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
Depart: Wed May 6 2015 Return: Thu May 14 2015 Trip spans 9 days
Frontier
Frontier
ORD
10:30a
SEA
9:01p
10h 31m
1 stop
SEA
7:15a
ORD
5:40p
10h 25m
1 stop
Depart: Sat May 9 2015 Return: Sat May 16 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
ORD
10:30a
SEA
9:01p
10h 31m
1 stop
SEA
4:30a
ORD
8:30a
4h 00m
nonstop
Depart: Tue Feb 10 2015 Return: Tue Mar 17 2015 Trip spans 35 days
Frontier
Frontier
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
Depart: Wed Feb 11 2015 Return: Wed Feb 18 2015 Trip spans 8 days
Frontier
Frontier
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
SEA
5:15a
ORD
11:10a
5h 55m
1 stop
Depart: Sat Feb 14 2015 Return: Tue Feb 17 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ORD
10:20a
SEA
2:55p
4h 35m
nonstop
SEA
3:30a
ORD
7:22a
3h 52m
nonstop
Depart: Sat Feb 21 2015 Return: Tue Feb 24 2015 Trip spans 4 days
American Airlines
American Airlines
ORD
3:25a
SEA
8:00a
4h 35m
nonstop
SEA
3:51a
ORD
7:47a
3h 56m
nonstop
Depart: Wed Apr 22 2015 Return: Fri May 15 2015 Trip spans 24 days
United
United
ORD
4:49a
SEA
9:16a
4h 27m
nonstop
SEA
8:45p
ORD
12:48a
4h 03m
nonstop
Depart: Mon Feb 16 2015 Return: Mon Feb 23 2015 Trip spans 8 days
Delta
Delta
ORD
1:35p
SEA
8:28p
6h 53m
1 stop
SEA
7:50p
ORD
1:34a
5h 44m
1 stop
Depart: Mon Apr 13 2015 Return: Mon Apr 20 2015 Trip spans 8 days
Delta
Delta
MDW
5:15a
SEA
3:15p
10h 00m
1 stop
SEA
7:30a
MDW
2:53p
7h 23m
1 stop
Depart: Wed Jul 15 2015 Return: Wed Jul 22 2015 Trip spans 8 days
US Airways
US Airways
ORD
1:05p
SEA
9:13p
8h 08m
1 stop
SEA
10:40a
ORD
6:01p
7h 21m
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
8992 3:20 pm 5:55 pm Feb 9 - Feb 14
8992 3:20 pm 5:55 pm Feb 28 - Mar 7
8992 3:20 pm 5:55 pm Feb 24 - Mar 4
8992 3:20 pm 5:55 pm Feb 19 - Feb 26
8992 3:20 pm 5:55 pm Feb 16 - Feb 18
8992 3:20 pm 5:55 pm Feb 8 - Feb 15
8992 3:20 pm 6:04 pm Feb 3 - Feb 6
8992 3:20 pm 6:04 pm Feb 1 - Feb 7
8992 3:20 pm 6:04 pm Jan 26 - Feb 5
Airports
Origin

Chicago
only $268
only $366
Destination

Seattle
$268