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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: Fri Jun 12 2015 Return: Mon Aug 10 2015 Trip spans 60 days
US Airways
US Airways
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
5:45p
BWI
11:56p
6h 11m
1 stop
Depart: Sat Jun 13 2015 Return: Fri Jun 19 2015 Trip spans 7 days
American Airlines
American Airlines
BWI
1:22p
ONT
10:57p
9h 35m
1 stop
ONT
8:59p
BWI
4:09a
7h 10m
1 stop
Depart: Mon Aug 31 2015 Return: Sat Sep 5 2015 Trip spans 6 days
United
United
BWI
1:50a
ONT
9:55a
8h 05m
1 stop
ONT
7:35a
BWI
4:17p
8h 42m
1 stop
Depart: Thu Oct 22 2015 Return: Tue Oct 27 2015 Trip spans 6 days
Delta
Delta
BWI
12:45p
ONT
9:26p
8h 41m
1 stop
ONT
6:20a
BWI
3:58p
9h 38m
1 stop
Depart: Mon Jun 15 2015 Return: Fri Jun 19 2015 Trip spans 5 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
8:59p
BWI
4:09a
7h 10m
1 stop
Depart: Tue Jun 30 2015 Return: Mon Jul 6 2015 Trip spans 7 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
5:45p
BWI
11:56p
6h 11m
1 stop
Depart: Sat Jul 4 2015 Return: Tue Jul 7 2015 Trip spans 4 days
American Airlines
American Airlines
BWI
1:19a
ONT
9:12a
7h 53m
1 stop
ONT
3:25p
BWI
11:56p
8h 31m
1 stop
Depart: Thu Jul 9 2015 Return: Tue Jul 14 2015 Trip spans 6 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
3:25p
BWI
11:56p
8h 31m
1 stop
Depart: Fri Jul 10 2015 Return: Wed Jul 15 2015 Trip spans 6 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
3:25p
BWI
11:56p
8h 31m
1 stop
Depart: Tue Jul 14 2015 Return: Tue Jul 21 2015 Trip spans 8 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
3:25p
BWI
11:56p
8h 31m
1 stop
Depart: Thu Jul 16 2015 Return: Mon Jul 20 2015 Trip spans 5 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
3:25p
BWI
11:56p
8h 31m
1 stop
Depart: Fri Jul 17 2015 Return: Mon Aug 3 2015 Trip spans 18 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
5:45p
BWI
11:56p
6h 11m
1 stop
Depart: Sat Jul 18 2015 Return: Mon Jul 20 2015 Trip spans 3 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
5:45p
BWI
11:56p
6h 11m
1 stop
Depart: Mon Jul 20 2015 Return: Thu Jul 23 2015 Trip spans 4 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
3:25p
BWI
11:56p
8h 31m
1 stop
Depart: Tue Jul 21 2015 Return: Mon Jul 27 2015 Trip spans 7 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
5:45p
BWI
11:56p
6h 11m
1 stop
Depart: Wed Jul 22 2015 Return: Tue Jul 28 2015 Trip spans 7 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
5:45p
BWI
11:56p
6h 11m
1 stop
Depart: Thu Jul 23 2015 Return: Sat Jul 25 2015 Trip spans 3 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
3:25p
BWI
11:56p
8h 31m
1 stop
Depart: Thu Jul 30 2015 Return: Mon Aug 3 2015 Trip spans 5 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
5:45p
BWI
11:56p
6h 11m
1 stop
Depart: Sat Aug 1 2015 Return: Mon Aug 3 2015 Trip spans 3 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
5:45p
BWI
11:56p
6h 11m
1 stop
Depart: Mon Aug 3 2015 Return: Mon Aug 10 2015 Trip spans 8 days
American Airlines
American Airlines
BWI
4:05p
ONT
10:57p
6h 52m
1 stop
ONT
5:45p
BWI
11:56p
6h 11m
1 stop
Airports
Origin

Baltimore
$371
Destination

Ontario
$371