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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Baltimore/Washington to Ontario

(Round-trip)
Depart: Tue Mar 28 2017 Return: Tue Apr 4 2017 Trip spans 8 days
United
United
BWI
12:10p
ONT
7:14p
7h 04m
1 stop
ONT
3:15p
BWI
10:55p
7h 40m
1 stop
Depart: Tue Apr 25 2017 Return: Wed May 3 2017 Trip spans 9 days
American Airlines
American Airlines
BWI
2:40a
ONT
10:41a
8h 01m
1 stop
ONT
8:45a
BWI
3:50p
7h 05m
1 stop
Depart: Tue Apr 4 2017 Return: Wed Apr 12 2017 Trip spans 9 days
Delta
Delta
BWI
1:15p
ONT
9:49p
8h 34m
1 stop
ONT
12:47p
BWI
10:00p
9h 13m
1 stop
Depart: Mon Apr 3 2017 Return: Tue Apr 4 2017 Trip spans 2 days
Major Airline
Major Airline
BWI
8:45a
ONT
4:52a
20h 07m
1 stop
ONT
9:30a
BWI
4:44a
19h 14m
1 stop
Depart: Fri May 5 2017 Return: Fri May 12 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
BWI
12:45p
ONT
8:52a
20h 07m
1 stop
ONT
4:45p
BWI
11:45p
31h 00m
2 stops
Depart: Sat Apr 29 2017 Return: Sat May 6 2017 Trip spans 8 days
United
United
BWI
4:23a
ONT
11:36a
7h 13m
1 stop
ONT
3:10p
BWI
10:55p
7h 45m
1 stop
Depart: Tue May 2 2017 Return: Wed May 3 2017 Trip spans 2 days
United
United
BWI
12:00p
ONT
7:11p
7h 11m
1 stop
ONT
9:25a
BWI
4:03p
6h 38m
1 stop
Depart: Mon Mar 20 2017 Return: Thu Mar 23 2017 Trip spans 4 days
American Airlines
American Airlines
BWI
1:05p
ONT
8:39p
7h 34m
1 stop
ONT
8:45a
BWI
3:41p
6h 56m
1 stop
Depart: Wed Mar 29 2017 Return: Wed Apr 5 2017 Trip spans 8 days
Delta
Delta
BWI
12:54p
ONT
9:51p
8h 57m
1 stop
ONT
12:47p
BWI
10:00p
9h 13m
1 stop
Depart: Wed May 3 2017 Return: Sat May 6 2017 Trip spans 4 days
United
United
BWI
12:12p
ONT
7:11p
6h 59m
1 stop
ONT
3:10p
BWI
10:55p
7h 45m
1 stop
Depart: Tue May 9 2017 Return: Wed May 10 2017 Trip spans 2 days
Delta
Delta
BWI
12:35p
ONT
9:47p
9h 12m
1 stop
ONT
12:30p
BWI
9:59p
9h 29m
1 stop
Depart: Sat Mar 11 2017 Return: Thu Apr 6 2017 Trip spans 26 days
American Airlines
American Airlines
BWI
1:40a
ONT
9:48a
8h 08m
1 stop
ONT
8:45a
BWI
3:50p
7h 05m
1 stop
Depart: Tue Mar 14 2017 Return: Wed Mar 22 2017 Trip spans 9 days
United
United
BWI
2:36a
ONT
10:51a
8h 15m
1 stop
ONT
3:15p
BWI
10:45p
7h 30m
1 stop
Depart: Mon Mar 13 2017 Return: Wed Mar 15 2017 Trip spans 3 days
Delta
Delta
BWI
12:54p
ONT
9:52p
8h 58m
1 stop
ONT
2:33p
BWI
10:10p
7h 37m
1 stop
Depart: Fri Mar 24 2017 Return: Wed Mar 29 2017 Trip spans 6 days
American Airlines
American Airlines
BWI
4:00p
ONT
11:27p
7h 27m
1 stop
ONT
8:45a
BWI
3:41p
6h 56m
1 stop
Depart: Tue Mar 21 2017 Return: Wed Mar 29 2017 Trip spans 9 days
United
United
BWI
12:10p
ONT
7:14p
7h 04m
1 stop
ONT
12:55p
BWI
10:45p
9h 50m
1 stop
Depart: Wed Aug 2 2017 Return: Wed Aug 9 2017 Trip spans 8 days
Major Airline
Major Airline
BWI
8:58a
ONT
5:18a
20h 20m
1 stop
ONT
11:50a
BWI
6:38a
18h 48m
1 stop
Depart: Fri Apr 21 2017 Return: Wed Apr 26 2017 Trip spans 6 days
Delta
Delta
BWI
1:15p
ONT
9:49p
8h 34m
1 stop
ONT
12:47p
BWI
10:00p
9h 13m
1 stop
Depart: Tue Apr 11 2017 Return: Tue May 16 2017 Trip spans 36 days
United
United
BWI
12:00p
ONT
7:11p
7h 11m
1 stop
ONT
9:34a
BWI
4:14p
6h 40m
1 stop
Depart: Fri Mar 10 2017 Return: Thu Apr 6 2017 Trip spans 27 days
American Airlines
American Airlines
BWI
2:59p
ONT
10:33p
7h 34m
1 stop
ONT
8:45a
BWI
3:50p
7h 05m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Baltimore
$274
Destination

Ontario
$274