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Find Flight Deals from Seattle/Tacoma Intl to Chicago O'Hare International (SEA - ORD)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to Chicago O'Hare International

(Round-trip)
Depart: Tue Mar 3 2015 Return: Wed Mar 11 2015 Trip spans 8 days
Frontier
Frontier
SEA
5:17a
ORD
10:50a
5h 33m
1 stop
ORD
10:05a
SEA
4:20p
6h 15m
1 stop
Depart: Tue Mar 10 2015 Return: Tue Mar 24 2015 Trip spans 15 days
Frontier
Frontier
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
ORD
10:05a
SEA
4:20p
6h 15m
1 stop
Depart: Wed Feb 18 2015 Return: Wed Feb 25 2015 Trip spans 8 days
Frontier
Frontier
SEA
5:15a
ORD
11:10a
5h 55m
1 stop
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
Depart: Wed Feb 25 2015 Return: Wed Mar 4 2015 Trip spans 8 days
Frontier
Frontier
SEA
5:15a
ORD
11:10a
5h 55m
1 stop
ORD
8:55a
SEA
3:37p
6h 42m
1 stop
Depart: Mon Mar 9 2015 Return: Wed Mar 11 2015 Trip spans 3 days
Frontier
Frontier
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
ORD
10:05a
SEA
4:20p
6h 15m
1 stop
Depart: Wed Mar 18 2015 Return: Tue Mar 24 2015 Trip spans 7 days
Frontier
Frontier
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
ORD
10:05a
SEA
4:20p
6h 15m
1 stop
Depart: Tue Feb 10 2015 Return: Wed Feb 25 2015 Trip spans 16 days
Multiple Airlines
Multiple Airlines
SEA
6:50a
ORD
10:50a
4h 00m
nonstop
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
Depart: Sat Apr 25 2015 Return: Tue May 5 2015 Trip spans 11 days
Frontier
Frontier
SEA
3:20p
ORD
7:35a
16h 15m
1 stop
ORD
10:30a
SEA
9:01p
10h 31m
1 stop
Depart: Mon Mar 23 2015 Return: Tue Mar 24 2015 Trip spans 2 days
Frontier
Frontier
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
ORD
10:05a
SEA
4:20p
6h 15m
1 stop
Depart: Tue May 12 2015 Return: Mon May 18 2015 Trip spans 7 days
Frontier
Frontier
SEA
3:30p
ORD
3:55a
12h 25m
1 stop
ORD
10:30a
SEA
9:01p
10h 31m
1 stop
Depart: Wed Feb 11 2015 Return: Wed Feb 25 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
SEA
9:37a
ORD
1:30p
3h 53m
nonstop
ORD
8:55a
SEA
4:05p
7h 10m
1 stop
Depart: Thu Mar 19 2015 Return: Mon Mar 23 2015 Trip spans 5 days
Frontier
Frontier
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
ORD
2:55p
SEA
7:40a
16h 45m
1 stop
Depart: Mon May 4 2015 Return: Mon May 11 2015 Trip spans 8 days
Frontier
Frontier
SEA
3:30p
ORD
3:55a
12h 25m
1 stop
ORD
10:30a
SEA
9:01p
10h 31m
1 stop
Depart: Mon May 11 2015 Return: Mon May 18 2015 Trip spans 8 days
Frontier
Frontier
SEA
3:30p
ORD
3:55a
12h 25m
1 stop
ORD
10:30a
SEA
9:01p
10h 31m
1 stop
Depart: Sat Feb 14 2015 Return: Sat Feb 21 2015 Trip spans 8 days
American Airlines
American Airlines
SEA
9:37a
ORD
1:30p
3h 53m
nonstop
ORD
3:25a
SEA
8:00a
4h 35m
nonstop
Depart: Sat Feb 21 2015 Return: Tue Feb 24 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
3:30a
ORD
7:22a
3h 52m
nonstop
ORD
10:20a
SEA
2:55p
4h 35m
nonstop
Depart: Tue Apr 7 2015 Return: Wed Apr 8 2015 Trip spans 2 days
United
United
SEA
2:28a
ORD
6:30a
4h 02m
nonstop
ORD
3:03p
SEA
7:40p
4h 37m
nonstop
Depart: Mon Feb 16 2015 Return: Tue Feb 17 2015 Trip spans 2 days
Delta
Delta
SEA
7:50p
ORD
1:34a
5h 44m
1 stop
ORD
7:14a
SEA
1:12p
5h 58m
1 stop
Depart: Sat Jun 13 2015 Return: Sat Jun 27 2015 Trip spans 15 days
US Airways
US Airways
SEA
1:45p
ORD
9:08p
7h 23m
1 stop
ORD
4:05p
SEA
11:30p
7h 25m
1 stop
Depart: Thu Feb 5 2015 Return: Tue Feb 10 2015 Trip spans 6 days
Virgin America
Virgin America
SEA
2:00a
ORD
9:40a
7h 40m
1 stop
ORD
11:20a
SEA
7:45p
8h 25m
1 stop
Change your search
Direct flights SEA to ORD on Delta
Flight # Depart SEA Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
9008 8:30 am 2:22 pm Feb 28 - Mar 7
9008 8:30 am 2:22 pm Feb 24 - Mar 4
9008 8:30 am 2:22 pm Feb 19 - Feb 26
9008 8:30 am 2:22 pm Feb 8 - Feb 15
9008 8:30 am 2:22 pm Feb 16 - Feb 18
9008 8:30 am 2:25 pm Feb 4 - Feb 7
9008 8:30 am 2:22 pm Feb 9 - Feb 14
9008 8:30 am 2:25 pm Feb 6 - Feb 6
9008 8:30 am 2:25 pm Jan 29 - Feb 5
9008 8:30 am 2:27 pm Mar 8 - Mar 14
7511 12:35 pm 6:33 pm Feb 26 - Mar 5
7511 12:35 pm 6:33 pm Feb 10 - Mar 3
7511 12:35 pm 6:33 pm Feb 9 - Feb 23
7511 12:35 pm 6:33 pm Feb 8 - Feb 22
7511 12:35 pm 6:32 pm Feb 5 - Feb 5
7511 12:35 pm 6:32 pm Jan 30 - Feb 6
7511 12:35 pm 6:33 pm Mar 4 - Mar 4
7511 12:35 pm 6:33 pm Feb 27 - Mar 6
7511 12:40 pm 6:34 pm Mar 8 - Mar 13
Airports
Origin

Seattle
$288
Destination

Chicago
$288