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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: Tue Apr 14 2015 Return: Thu Apr 16 2015 Trip spans 3 days
United
United
BWI
2:03a
ONT
12:36p
10h 33m
1 stop
ONT
3:18p
BWI
12:04a
8h 46m
1 stop
Depart: Wed Apr 15 2015 Return: Sat Apr 18 2015 Trip spans 4 days
American Airlines
American Airlines
BWI
1:15p
ONT
8:06p
6h 51m
1 stop
ONT
2:30a
BWI
9:15a
6h 45m
1 stop
Depart: Sat Apr 18 2015 Return: Mon Apr 20 2015 Trip spans 3 days
United
United
BWI
2:03a
ONT
12:34p
10h 31m
1 stop
ONT
3:18p
BWI
12:04a
8h 46m
1 stop
Depart: Wed Apr 22 2015 Return: Mon Apr 27 2015 Trip spans 6 days
United
United
BWI
2:03a
ONT
12:36p
10h 33m
1 stop
ONT
3:18p
BWI
12:04a
8h 46m
1 stop
Depart: Sat Apr 25 2015 Return: Mon Apr 27 2015 Trip spans 3 days
United
United
BWI
2:03a
ONT
12:34p
10h 31m
1 stop
ONT
4:39p
BWI
12:04a
7h 25m
1 stop
Depart: Mon Apr 27 2015 Return: Wed May 6 2015 Trip spans 10 days
American Airlines
American Airlines
BWI
1:15p
ONT
8:06p
6h 51m
1 stop
ONT
8:59p
BWI
4:11a
7h 12m
1 stop
Depart: Tue Apr 28 2015 Return: Wed May 6 2015 Trip spans 9 days
American Airlines
American Airlines
BWI
1:30a
ONT
9:07a
7h 37m
1 stop
ONT
8:59p
BWI
4:11a
7h 12m
1 stop
Depart: Wed Apr 29 2015 Return: Mon May 4 2015 Trip spans 6 days
United
United
BWI
3:20p
ONT
10:24p
7h 04m
1 stop
ONT
4:39p
BWI
12:04a
7h 25m
1 stop
Depart: Sat May 2 2015 Return: Wed May 6 2015 Trip spans 5 days
American Airlines
American Airlines
BWI
2:55a
ONT
10:33a
7h 38m
1 stop
ONT
10:20a
BWI
5:10p
6h 50m
1 stop
Depart: Sun Apr 19 2015 Return: Sat Apr 25 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
BWI
4:10p
ONT
10:53p
6h 43m
1 stop
ONT
2:15a
BWI
8:46a
6h 31m
1 stop
Depart: Wed Mar 4 2015 Return: Wed Apr 15 2015 Trip spans 42 days
US Airways
US Airways
BWI
9:06a
ONT
4:53p
7h 47m
1 stop
ONT
10:20a
BWI
5:10p
6h 50m
1 stop
Depart: Tue Mar 31 2015 Return: Tue Apr 14 2015 Trip spans 15 days
US Airways
US Airways
BWI
3:05a
ONT
12:38p
9h 33m
1 stop
ONT
8:35a
BWI
4:24p
7h 49m
1 stop
Depart: Sat Apr 11 2015 Return: Tue Apr 14 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
BWI
1:30a
ONT
9:07a
7h 37m
1 stop
ONT
4:39p
BWI
12:04a
7h 25m
1 stop
Depart: Tue Apr 7 2015 Return: Tue Apr 14 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
BWI
1:30a
ONT
9:07a
7h 37m
1 stop
ONT
4:39p
BWI
12:04a
7h 25m
1 stop
Depart: Fri Apr 24 2015 Return: Mon Apr 27 2015 Trip spans 4 days
United
United
BWI
2:03a
ONT
12:36p
10h 33m
1 stop
ONT
4:39p
BWI
12:04a
7h 25m
1 stop
Depart: Thu Apr 30 2015 Return: Mon May 4 2015 Trip spans 5 days
United
United
BWI
2:03a
ONT
12:36p
10h 33m
1 stop
ONT
1:53p
BWI
12:04a
10h 11m
1 stop
Depart: Fri May 8 2015 Return: Mon May 11 2015 Trip spans 4 days
United
United
BWI
2:10a
ONT
11:17a
9h 07m
1 stop
ONT
3:17p
BWI
12:18a
9h 01m
1 stop
Depart: Thu May 28 2015 Return: Tue Jun 2 2015 Trip spans 6 days
United
United
BWI
2:10a
ONT
11:17a
9h 07m
1 stop
ONT
4:39p
BWI
12:18a
7h 39m
1 stop
Depart: Fri May 29 2015 Return: Mon Jun 1 2015 Trip spans 4 days
United
United
BWI
2:10a
ONT
11:17a
9h 07m
1 stop
ONT
3:17p
BWI
12:18a
9h 01m
1 stop
Depart: Tue Mar 24 2015 Return: Tue Apr 14 2015 Trip spans 22 days
Delta
Delta
BWI
12:28p
ONT
9:34p
9h 06m
1 stop
ONT
2:15a
BWI
8:49a
6h 34m
1 stop
Change your search
Airports
Origin

Baltimore
$311
Destination

Ontario
$311