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Find Flight Deals from Baltimore/Washington to Ontario (BWI - ONT)

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

Book cheap flights from Baltimore/Washington to Ontario

(Round-trip)
Depart: Sat Feb 14 2015 Return: Wed Feb 18 2015 Trip spans 5 days
US Airways
US Airways
BWI
12:05p
ONT
7:11p
7h 06m
1 stop
ONT
7:40a
BWI
3:08p
7h 28m
1 stop
Depart: Mon Feb 23 2015 Return: Thu Feb 26 2015 Trip spans 4 days
American Airlines
American Airlines
BWI
11:01a
ONT
9:16p
10h 15m
1 stop
ONT
1:00a
BWI
10:31a
9h 31m
1 stop
Depart: Tue Feb 17 2015 Return: Wed Feb 18 2015 Trip spans 2 days
US Airways
US Airways
BWI
12:05p
ONT
7:11p
7h 06m
1 stop
ONT
7:40a
BWI
3:08p
7h 28m
1 stop
Depart: Wed Feb 18 2015 Return: Thu Feb 19 2015 Trip spans 2 days
US Airways
US Airways
BWI
12:05p
ONT
7:11p
7h 06m
1 stop
ONT
7:40a
BWI
3:08p
7h 28m
1 stop
Depart: Sat Feb 21 2015 Return: Tue Feb 24 2015 Trip spans 4 days
US Airways
US Airways
BWI
12:05p
ONT
7:11p
7h 06m
1 stop
ONT
7:40a
BWI
3:08p
7h 28m
1 stop
Depart: Tue Feb 24 2015 Return: Thu Feb 26 2015 Trip spans 3 days
American Airlines
American Airlines
BWI
3:31a
ONT
12:14p
8h 43m
1 stop
ONT
1:00a
BWI
10:31a
9h 31m
1 stop
Depart: Sat Feb 28 2015 Return: Tue Mar 3 2015 Trip spans 4 days
US Airways
US Airways
BWI
12:05p
ONT
7:11p
7h 06m
1 stop
ONT
1:30a
BWI
8:11a
6h 41m
1 stop
Depart: Mon Mar 2 2015 Return: Wed Mar 4 2015 Trip spans 3 days
US Airways
US Airways
BWI
12:05p
ONT
7:11p
7h 06m
1 stop
ONT
1:30a
BWI
8:11a
6h 41m
1 stop
Depart: Tue Mar 3 2015 Return: Tue Mar 10 2015 Trip spans 7 days
US Airways
US Airways
BWI
12:05p
ONT
7:11p
7h 06m
1 stop
ONT
8:40a
BWI
4:08p
7h 28m
1 stop
Depart: Wed Mar 4 2015 Return: Tue Mar 10 2015 Trip spans 6 days
US Airways
US Airways
BWI
12:05p
ONT
7:11p
7h 06m
1 stop
ONT
8:40a
BWI
4:08p
7h 28m
1 stop
Depart: Tue Mar 17 2015 Return: Tue Mar 24 2015 Trip spans 8 days
US Airways
US Airways
BWI
2:50a
ONT
10:34a
7h 44m
1 stop
ONT
8:40a
BWI
4:08p
7h 28m
1 stop
Depart: Sun Feb 15 2015 Return: Tue Feb 24 2015 Trip spans 10 days
United
United
BWI
1:00a
ONT
9:05a
8h 05m
1 stop
ONT
12:33p
BWI
10:39p
10h 06m
1 stop
Depart: Sun Feb 22 2015 Return: Tue Mar 3 2015 Trip spans 10 days
Delta
Delta
BWI
11:26a
ONT
8:59p
9h 33m
1 stop
ONT
1:15a
BWI
7:48a
6h 33m
1 stop
Depart: Mon Feb 16 2015 Return: Tue Feb 24 2015 Trip spans 9 days
United
United
BWI
1:00a
ONT
9:05a
8h 05m
1 stop
ONT
12:33p
BWI
10:39p
10h 06m
1 stop
Depart: Thu Feb 19 2015 Return: Tue Feb 24 2015 Trip spans 6 days
United
United
BWI
1:00a
ONT
9:05a
8h 05m
1 stop
ONT
12:33p
BWI
10:39p
10h 06m
1 stop
Depart: Fri Feb 20 2015 Return: Tue Feb 24 2015 Trip spans 5 days
United
United
BWI
1:00a
ONT
9:05a
8h 05m
1 stop
ONT
12:33p
BWI
10:39p
10h 06m
1 stop
Depart: Wed Feb 25 2015 Return: Sat Feb 28 2015 Trip spans 4 days
United
United
BWI
1:00a
ONT
9:05a
8h 05m
1 stop
ONT
12:30p
BWI
10:39p
10h 09m
1 stop
Depart: Sun Feb 1 2015 Return: Wed Feb 18 2015 Trip spans 18 days
US Airways
US Airways
BWI
12:05p
ONT
7:11p
7h 06m
1 stop
ONT
1:30a
BWI
8:11a
6h 41m
1 stop
Depart: Fri Apr 17 2015 Return: Tue May 5 2015 Trip spans 19 days
Multiple Airlines
Multiple Airlines
BWI
8:00a
ONT
8:06p
12h 06m
2 stops
ONT
4:39p
BWI
12:04a
7h 25m
1 stop
Depart: Fri May 22 2015 Return: Tue May 26 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
BWI
1:25p
ONT
7:18p
29h 53m
1 stop
ONT
6:30a
BWI
9:22a
26h 52m
1 stop
Change your search
Airports
Origin

Baltimore
$311
Destination

Ontario
$311