Find Cheap Flights from Philadelphia to Ontario (PHL - 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 Philadelphia to Ontario

(Round-trip)
Depart: Sat Oct 21 2017 Return: Sat Oct 28 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
PHL
12:00a
ONT
7:52a
7h 52m
1 stop
ONT
12:00a
PHL
7:00a
7h 00m
1 stop
Depart: Wed Aug 23 2017 Return: Mon Aug 28 2017 Trip spans 6 days
American Airlines
American Airlines
PHL
12:00a
ONT
7:56a
7h 56m
1 stop
ONT
12:00a
PHL
7:41a
7h 41m
1 stop
Depart: Sat Aug 19 2017 Return: Tue Aug 22 2017 Trip spans 4 days
United
United
PHL
12:00a
ONT
8:43a
8h 43m
1 stop
ONT
12:00a
PHL
8:09a
8h 09m
1 stop
Depart: Fri Sep 22 2017 Return: Tue Sep 26 2017 Trip spans 5 days
Delta
Delta
PHL
12:00a
ONT
8:17a
8h 17m
1 stop
ONT
12:00a
PHL
7:46a
7h 46m
1 stop
Depart: Wed Oct 11 2017 Return: Fri Oct 13 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
PHL
12:00a
ONT
9:31a
9h 31m
1 stop
ONT
12:00a
PHL
9:01a
9h 01m
1 stop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
American Airlines
American Airlines
PHL
12:00a
ONT
7:48a
7h 48m
1 stop
ONT
12:00a
PHL
7:41a
7h 41m
1 stop
Depart: Sun Aug 20 2017 Return: Tue Aug 22 2017 Trip spans 3 days
United
United
PHL
12:00a
ONT
8:32a
8h 32m
1 stop
ONT
12:00a
PHL
8:09a
8h 09m
1 stop
Depart: Thu Sep 14 2017 Return: Wed Sep 20 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
PHL
12:00a
ONT
8:34a
8h 34m
1 stop
ONT
12:00a
PHL
8:53a
8h 53m
1 stop
Depart: Thu Sep 28 2017 Return: Wed Oct 11 2017 Trip spans 14 days
American Airlines
American Airlines
PHL
12:00a
ONT
7:43a
7h 43m
1 stop
ONT
12:00a
PHL
7:12a
7h 12m
1 stop
Depart: Thu Aug 3 2017 Return: Sun Aug 6 2017 Trip spans 4 days
United
United
PHL
12:00a
ONT
8:45a
8h 45m
1 stop
ONT
12:00a
PHL
9:54a
9h 54m
1 stop
Depart: Tue Oct 3 2017 Return: Tue Oct 10 2017 Trip spans 8 days
Delta
Delta
PHL
12:00a
ONT
7:44a
7h 44m
1 stop
ONT
12:00a
PHL
6:35a
6h 35m
1 stop
Depart: Wed Aug 16 2017 Return: Wed Aug 30 2017 Trip spans 15 days
American Airlines
American Airlines
PHL
12:00a
ONT
7:44a
7h 44m
1 stop
ONT
12:00a
PHL
7:41a
7h 41m
1 stop
Depart: Sun Aug 27 2017 Return: Tue Aug 29 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
PHL
12:00a
ONT
7:48a
7h 48m
1 stop
ONT
12:00a
PHL
9:53a
9h 53m
1 stop
Depart: Tue Aug 8 2017 Return: Sat Aug 12 2017 Trip spans 5 days
United
United
PHL
12:00a
ONT
8:44a
8h 44m
1 stop
ONT
12:00a
PHL
8:08a
8h 08m
1 stop
Depart: Wed Oct 4 2017 Return: Tue Oct 10 2017 Trip spans 7 days
Delta
Delta
PHL
12:00a
ONT
7:44a
7h 44m
1 stop
ONT
12:00a
PHL
6:35a
6h 35m
1 stop
Depart: Thu Sep 28 2017 Return: Fri Oct 13 2017 Trip spans 16 days
American Airlines
American Airlines
PHL
12:00a
ONT
7:43a
7h 43m
1 stop
ONT
12:00a
PHL
7:12a
7h 12m
1 stop
Depart: Wed Aug 9 2017 Return: Sun Aug 13 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
PHL
12:00a
ONT
8:50a
8h 50m
1 stop
ONT
12:00a
PHL
8:35a
8h 35m
1 stop
Depart: Wed Aug 9 2017 Return: Sat Aug 12 2017 Trip spans 4 days
United
United
PHL
12:00a
ONT
8:50a
8h 50m
1 stop
ONT
12:00a
PHL
8:08a
8h 08m
1 stop
Depart: Thu Aug 3 2017 Return: Sun Aug 6 2017 Trip spans 4 days
Delta
Delta
PHL
12:00a
ONT
8:06a
8h 06m
1 stop
ONT
12:00a
PHL
7:28a
7h 28m
1 stop
Depart: Thu Aug 10 2017 Return: Sat Aug 12 2017 Trip spans 3 days
United
United
PHL
12:00a
ONT
9:10a
9h 10m
1 stop
ONT
12:00a
PHL
8:08a
8h 08m
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

Philadelphia
$338
Destination

Ontario
$338