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Find Flight Deals from Philadelphia to Ontario (PHL - ONT)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Philadelphia to Ontario

(Round-trip)
Depart: Tue Feb 10 2015 Return: Wed Feb 11 2015 Trip spans 2 days
US Airways
US Airways
PHL
1:45a
ONT
9:34a
7h 49m
1 stop
ONT
1:30a
PHL
8:25a
6h 55m
1 stop
Depart: Wed Feb 11 2015 Return: Wed Feb 18 2015 Trip spans 8 days
US Airways
US Airways
PHL
1:45a
ONT
9:34a
7h 49m
1 stop
ONT
1:30a
PHL
8:25a
6h 55m
1 stop
Depart: Wed Feb 18 2015 Return: Tue Feb 24 2015 Trip spans 7 days
US Airways
US Airways
PHL
10:40a
ONT
7:11p
8h 31m
1 stop
ONT
1:30a
PHL
8:25a
6h 55m
1 stop
Depart: Wed Feb 25 2015 Return: Tue Mar 3 2015 Trip spans 7 days
US Airways
US Airways
PHL
1:45a
ONT
9:34a
7h 49m
1 stop
ONT
1:30a
PHL
8:25a
6h 55m
1 stop
Depart: Sat Feb 28 2015 Return: Tue Mar 3 2015 Trip spans 4 days
US Airways
US Airways
PHL
10:40a
ONT
7:11p
8h 31m
1 stop
ONT
1:30a
PHL
8:25a
6h 55m
1 stop
Depart: Tue Mar 3 2015 Return: Wed Mar 4 2015 Trip spans 2 days
US Airways
US Airways
PHL
8:40a
ONT
4:05p
7h 25m
1 stop
ONT
1:30a
PHL
8:25a
6h 55m
1 stop
Depart: Wed Mar 4 2015 Return: Wed Mar 11 2015 Trip spans 7 days
US Airways
US Airways
PHL
1:45a
ONT
9:34a
7h 49m
1 stop
ONT
2:30a
PHL
9:25a
6h 55m
1 stop
Depart: Tue Mar 17 2015 Return: Tue Mar 24 2015 Trip spans 8 days
US Airways
US Airways
PHL
2:45a
ONT
10:34a
7h 49m
1 stop
ONT
2:30a
PHL
9:25a
6h 55m
1 stop
Depart: Wed Mar 18 2015 Return: Tue Mar 24 2015 Trip spans 7 days
US Airways
US Airways
PHL
2:45a
ONT
10:34a
7h 49m
1 stop
ONT
2:30a
PHL
9:25a
6h 55m
1 stop
Depart: Tue Mar 24 2015 Return: Tue Mar 31 2015 Trip spans 8 days
US Airways
US Airways
PHL
2:45a
ONT
10:34a
7h 49m
1 stop
ONT
2:30a
PHL
9:38a
7h 08m
1 stop
Depart: Tue Mar 31 2015 Return: Tue Apr 14 2015 Trip spans 15 days
US Airways
US Airways
PHL
9:50a
ONT
5:05p
7h 15m
1 stop
ONT
2:30a
PHL
9:38a
7h 08m
1 stop
Depart: Sat Mar 7 2015 Return: Tue Mar 31 2015 Trip spans 24 days
United
United
PHL
1:05p
ONT
9:59p
8h 54m
1 stop
ONT
3:00p
PHL
12:00a
9h 00m
1 stop
Depart: Sat Apr 18 2015 Return: Sat Apr 25 2015 Trip spans 8 days
Delta
Delta
PHL
12:28p
ONT
9:26p
8h 58m
1 stop
ONT
2:05a
PHL
9:01a
6h 56m
1 stop
Depart: Sat May 2 2015 Return: Sat May 9 2015 Trip spans 8 days
American Airlines
American Airlines
PHL
1:26a
ONT
9:07a
7h 41m
1 stop
ONT
10:15a
PHL
5:25p
7h 10m
1 stop
Depart: Wed Mar 25 2015 Return: Tue Mar 31 2015 Trip spans 7 days
United
United
PHL
2:05p
ONT
10:59p
8h 54m
1 stop
ONT
4:22p
PHL
12:00a
7h 38m
1 stop
Depart: Wed May 6 2015 Return: Sat May 16 2015 Trip spans 11 days
American Airlines
American Airlines
PHL
11:17a
ONT
7:00p
7h 43m
1 stop
ONT
10:15a
PHL
5:25p
7h 10m
1 stop
Depart: Wed Apr 15 2015 Return: Sat May 23 2015 Trip spans 39 days
Multiple Airlines
Multiple Airlines
PHL
1:26a
ONT
9:07a
7h 41m
1 stop
ONT
6:20a
PHL
1:21p
7h 01m
1 stop
Depart: Thu Feb 26 2015 Return: Wed Mar 4 2015 Trip spans 7 days
US Airways
US Airways
PHL
1:05p
ONT
9:56p
8h 51m
1 stop
ONT
1:30a
PHL
8:25a
6h 55m
1 stop
Depart: Mon Mar 2 2015 Return: Tue Mar 3 2015 Trip spans 2 days
US Airways
US Airways
PHL
8:40a
ONT
4:05p
7h 25m
1 stop
ONT
1:30a
PHL
8:25a
6h 55m
1 stop
Depart: Mon Mar 9 2015 Return: Tue Mar 10 2015 Trip spans 2 days
US Airways
US Airways
PHL
2:45a
ONT
10:34a
7h 49m
1 stop
ONT
2:30a
PHL
9:25a
6h 55m
1 stop
Change your search
Airports
Origin

Philadelphia
$367
Destination

Ontario
$367