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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: Mon Apr 13 2015 Return: Tue Apr 14 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:30a
3h 55m
nonstop
ORD
4:00a
SEA
8:27a
4h 27m
nonstop
Depart: Tue Apr 14 2015 Return: Wed Apr 15 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:30a
3h 55m
nonstop
ORD
4:00a
SEA
8:27a
4h 27m
nonstop
Depart: Mon Apr 27 2015 Return: Tue Apr 28 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:30a
3h 55m
nonstop
ORD
4:00a
SEA
8:27a
4h 27m
nonstop
Depart: Tue Apr 28 2015 Return: Wed Apr 29 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:30a
3h 55m
nonstop
ORD
4:00a
SEA
8:27a
4h 27m
nonstop
Depart: Sat May 2 2015 Return: Tue May 5 2015 Trip spans 4 days
United
United
SEA
6:58p
ORD
10:57p
3h 59m
nonstop
ORD
6:25p
SEA
11:00p
4h 35m
nonstop
Depart: Wed Apr 15 2015 Return: Sat Apr 18 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
ORD
5:48p
3h 43m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Sat Apr 18 2015 Return: Tue Apr 21 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
ORD
5:48p
3h 43m
nonstop
ORD
4:00a
SEA
8:27a
4h 27m
nonstop
Depart: Mon Apr 20 2015 Return: Sat Apr 25 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:30a
3h 55m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Tue Apr 21 2015 Return: Wed Apr 22 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
ORD
5:48p
3h 43m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Wed Apr 22 2015 Return: Sat Apr 25 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
ORD
5:48p
3h 43m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Fri Apr 24 2015 Return: Tue Apr 28 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:30a
3h 55m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Sat Apr 25 2015 Return: Tue Apr 28 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
ORD
5:48p
3h 43m
nonstop
ORD
4:00a
SEA
8:27a
4h 27m
nonstop
Depart: Wed Apr 29 2015 Return: Sat May 2 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
ORD
5:48p
3h 43m
nonstop
ORD
2:00a
SEA
6:25a
4h 25m
nonstop
Depart: Mon May 4 2015 Return: Tue May 5 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
ORD
12:32a
3h 57m
nonstop
ORD
3:35p
SEA
8:02p
4h 27m
nonstop
Depart: Tue May 5 2015 Return: Wed May 6 2015 Trip spans 2 days
United
United
SEA
8:46p
ORD
12:49a
4h 03m
nonstop
ORD
6:25p
SEA
11:00p
4h 35m
nonstop
Depart: Wed May 6 2015 Return: Sat May 9 2015 Trip spans 4 days
United
United
SEA
7:18p
ORD
11:10p
3h 52m
nonstop
ORD
3:23p
SEA
7:58p
4h 35m
nonstop
Depart: Thu Apr 23 2015 Return: Fri Apr 24 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
1:00a
ORD
5:05a
4h 05m
nonstop
ORD
3:30a
SEA
8:05a
4h 35m
nonstop
Depart: Fri May 15 2015 Return: Tue May 19 2015 Trip spans 5 days
Delta
Delta
SEA
8:35p
ORD
2:49a
6h 14m
1 stop
ORD
12:30p
SEA
9:08p
8h 38m
1 stop
Depart: Mon Apr 6 2015 Return: Tue Apr 28 2015 Trip spans 23 days
Frontier
Frontier
SEA
6:20a
ORD
12:10p
5h 50m
1 stop
ORD
10:25a
SEA
5:00p
6h 35m
1 stop
Depart: Wed Jul 1 2015 Return: Sat Jul 4 2015 Trip spans 4 days
US Airways
US Airways
SEA
1:15a
ORD
9:59a
8h 44m
1 stop
ORD
7:15a
SEA
5:31p
10h 16m
1 stop
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 2:27 pm Apr 3 - Apr 3
9008 8:30 am 2:26 pm Apr 5 - Apr 12
9008 8:30 am 2:26 pm Apr 6 - Apr 14
9008 8:30 am 2:26 pm Apr 15 - Apr 19
9008 8:30 am 2:26 pm Apr 16 - Apr 25
9008 8:30 am 2:26 pm Apr 30 - Apr 30
9008 8:30 am 2:30 pm May 3 - May 8
9008 8:30 am 2:27 pm Mar 28 - Apr 4
9008 8:30 am 2:26 pm Apr 26 - May 2
9008 8:30 am 2:30 pm May 4 - May 14
7511 12:40 pm 6:40 pm Apr 24 - Apr 30
7511 12:40 pm 6:34 pm Mar 27 - Apr 3
7511 12:40 pm 6:40 pm Apr 26 - May 4
7511 12:40 pm 6:40 pm Apr 5 - Apr 5
7511 12:40 pm 6:40 pm Apr 6 - Apr 12
7511 12:40 pm 6:40 pm Apr 7 - Apr 14
7511 12:40 pm 6:40 pm Apr 15 - Apr 21
7511 12:40 pm 6:40 pm Apr 16 - Apr 23
Airports
Origin

Seattle
$271
Destination

Chicago
$271