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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 May 30 2015 Return: Tue Jun 2 2015 Trip spans 4 days
United
United
BWI
2:20a
ONT
11:17a
8h 57m
1 stop
ONT
3:17p
BWI
12:18a
9h 01m
1 stop
Depart: Wed May 6 2015 Return: Sun May 10 2015 Trip spans 5 days
United
United
BWI
2:20a
ONT
11:27a
9h 07m
1 stop
ONT
3:17p
BWI
12:13a
8h 56m
1 stop
Depart: Fri May 29 2015 Return: Tue Jun 2 2015 Trip spans 5 days
United
United
BWI
2:20a
ONT
11:17a
8h 57m
1 stop
ONT
1:47p
BWI
12:18a
10h 31m
1 stop
Depart: Mon Apr 27 2015 Return: Wed May 13 2015 Trip spans 17 days
US Airways
US Airways
BWI
1:15p
ONT
8:06p
6h 51m
1 stop
ONT
8:35a
BWI
4:24p
7h 49m
1 stop
Depart: Thu Jun 4 2015 Return: Sat Jun 6 2015 Trip spans 3 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
2:25a
BWI
9:27a
7h 02m
1 stop
Depart: Sat Apr 18 2015 Return: Tue Apr 21 2015 Trip spans 4 days
American Airlines
American Airlines
BWI
1:30a
ONT
9:07a
7h 37m
1 stop
ONT
10:20a
BWI
5:10p
6h 50m
1 stop
Depart: Sat Apr 11 2015 Return: Tue Apr 21 2015 Trip spans 11 days
American Airlines
American Airlines
BWI
1:15p
ONT
8:06p
6h 51m
1 stop
ONT
10:20a
BWI
5:10p
6h 50m
1 stop
Depart: Tue Apr 21 2015 Return: Tue May 5 2015 Trip spans 15 days
US Airways
US Airways
BWI
1:30a
ONT
9:07a
7h 37m
1 stop
ONT
6:55a
BWI
5:10p
10h 15m
1 stop
Depart: Wed Apr 22 2015 Return: Tue May 5 2015 Trip spans 14 days
US Airways
US Airways
BWI
2:30p
ONT
10:20p
7h 50m
1 stop
ONT
6:55a
BWI
3:45p
8h 50m
1 stop
Depart: Sat Apr 25 2015 Return: Tue May 5 2015 Trip spans 11 days
US Airways
US Airways
BWI
1:30a
ONT
9:07a
7h 37m
1 stop
ONT
6:55a
BWI
5:10p
10h 15m
1 stop
Depart: Sun Apr 26 2015 Return: Tue May 5 2015 Trip spans 10 days
US Airways
US Airways
BWI
1:30a
ONT
9:07a
7h 37m
1 stop
ONT
6:55a
BWI
3:45p
8h 50m
1 stop
Depart: Tue Apr 28 2015 Return: Tue May 12 2015 Trip spans 15 days
US Airways
US Airways
BWI
2:55a
ONT
10:33a
7h 38m
1 stop
ONT
10:20a
BWI
5:10p
6h 50m
1 stop
Depart: Wed Apr 29 2015 Return: Tue May 5 2015 Trip spans 7 days
US Airways
US Airways
BWI
1:15p
ONT
8:06p
6h 51m
1 stop
ONT
6:55a
BWI
3:45p
8h 50m
1 stop
Depart: Sat May 2 2015 Return: Tue May 5 2015 Trip spans 4 days
US Airways
US Airways
BWI
1:30a
ONT
9:07a
7h 37m
1 stop
ONT
6:55a
BWI
3:45p
8h 50m
1 stop
Depart: Sat May 9 2015 Return: Tue May 19 2015 Trip spans 11 days
American Airlines
American Airlines
BWI
2:55a
ONT
10:33a
7h 38m
1 stop
ONT
6:55a
BWI
5:10p
10h 15m
1 stop
Depart: Sun May 10 2015 Return: Tue May 19 2015 Trip spans 10 days
American Airlines
American Airlines
BWI
1:30a
ONT
9:05a
7h 35m
1 stop
ONT
6:55a
BWI
5:10p
10h 15m
1 stop
Depart: Mon May 11 2015 Return: Tue May 19 2015 Trip spans 9 days
American Airlines
American Airlines
BWI
1:15p
ONT
8:06p
6h 51m
1 stop
ONT
6:55a
BWI
5:10p
10h 15m
1 stop
Depart: Wed May 13 2015 Return: Tue May 19 2015 Trip spans 7 days
American Airlines
American Airlines
BWI
11:17a
ONT
7:00p
7h 43m
1 stop
ONT
6:55a
BWI
5:10p
10h 15m
1 stop
Depart: Thu May 14 2015 Return: Tue May 19 2015 Trip spans 6 days
American Airlines
American Airlines
BWI
4:10p
ONT
10:53p
6h 43m
1 stop
ONT
6:55a
BWI
5:10p
10h 15m
1 stop
Depart: Sun Sep 27 2015 Return: Thu Oct 1 2015 Trip spans 5 days
Delta
Delta
BWI
12:45p
ONT
9:26p
8h 41m
1 stop
ONT
2:05a
BWI
8:55a
6h 50m
1 stop
Airports
Origin

Baltimore
$331
Destination

Ontario
$331