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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 Aug 25 2015 Return: Tue Sep 8 2015 Trip spans 15 days
American Airlines
American Airlines
PHL
9:55a
ONT
5:44p
7h 49m
1 stop
ONT
3:30p
PHL
11:17p
7h 47m
1 stop
Depart: Tue Sep 1 2015 Return: Sat Sep 5 2015 Trip spans 5 days
United
United
PHL
1:40a
ONT
9:55a
8h 15m
1 stop
ONT
3:05p
PHL
11:55p
8h 50m
1 stop
Depart: Wed Sep 2 2015 Return: Tue Sep 8 2015 Trip spans 7 days
Delta
Delta
PHL
12:35p
ONT
9:26p
8h 51m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Sat Sep 5 2015 Return: Wed Sep 9 2015 Trip spans 5 days
United
United
PHL
2:00a
ONT
10:58a
8h 58m
1 stop
ONT
7:35a
PHL
4:33p
8h 58m
1 stop
Depart: Sun Sep 6 2015 Return: Thu Sep 10 2015 Trip spans 5 days
United
United
PHL
4:12a
ONT
11:38a
7h 26m
1 stop
ONT
9:15a
PHL
3:43p
6h 28m
1 stop
Depart: Tue Sep 8 2015 Return: Mon Sep 14 2015 Trip spans 7 days
Delta
Delta
PHL
12:35p
ONT
9:26p
8h 51m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Sat Sep 19 2015 Return: Sat Sep 26 2015 Trip spans 8 days
Delta
Delta
PHL
12:35p
ONT
7:41p
7h 06m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Tue Sep 22 2015 Return: Mon Sep 28 2015 Trip spans 7 days
Delta
Delta
PHL
12:35p
ONT
9:26p
8h 51m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Wed Sep 23 2015 Return: Tue Sep 29 2015 Trip spans 7 days
Delta
Delta
PHL
12:35p
ONT
9:26p
8h 51m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Sat Sep 26 2015 Return: Thu Oct 1 2015 Trip spans 6 days
Delta
Delta
PHL
12:35p
ONT
7:41p
7h 06m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Tue Sep 29 2015 Return: Mon Oct 5 2015 Trip spans 7 days
Delta
Delta
PHL
12:35p
ONT
9:26p
8h 51m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Wed Sep 30 2015 Return: Mon Oct 5 2015 Trip spans 6 days
Delta
Delta
PHL
12:35p
ONT
9:26p
8h 51m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Thu Oct 1 2015 Return: Sat Oct 3 2015 Trip spans 3 days
Delta
Delta
PHL
12:35p
ONT
9:26p
8h 51m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Sat Oct 3 2015 Return: Mon Oct 5 2015 Trip spans 3 days
Delta
Delta
PHL
12:35p
ONT
7:41p
7h 06m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Mon Oct 5 2015 Return: Tue Oct 13 2015 Trip spans 9 days
Delta
Delta
PHL
12:35p
ONT
9:26p
8h 51m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Tue Oct 6 2015 Return: Sat Oct 17 2015 Trip spans 12 days
Delta
Delta
PHL
12:35p
ONT
9:26p
8h 51m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Wed Oct 7 2015 Return: Tue Oct 13 2015 Trip spans 7 days
Delta
Delta
PHL
12:35p
ONT
9:26p
8h 51m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Thu Oct 8 2015 Return: Mon Oct 12 2015 Trip spans 5 days
American Airlines
American Airlines
PHL
4:20p
ONT
10:52p
6h 32m
1 stop
ONT
3:30p
PHL
11:17p
7h 47m
1 stop
Depart: Sat Oct 10 2015 Return: Tue Oct 13 2015 Trip spans 4 days
Delta
Delta
PHL
12:35p
ONT
7:41p
7h 06m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Wed Aug 12 2015 Return: Tue Aug 25 2015 Trip spans 14 days
US Airways
US Airways
PHL
4:10p
ONT
10:57p
6h 47m
1 stop
ONT
8:40a
PHL
3:19p
6h 39m
1 stop
Airports
Origin

Philadelphia
$365
Destination

Ontario
$365