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Find Deals on Flights 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: Mon Aug 31 2015 Trip spans 7 days
American Airlines
American Airlines
PHL
9:40a
ONT
6:49p
9h 09m
1 stop
ONT
3:25p
PHL
11:02p
7h 37m
1 stop
Depart: Sat Aug 29 2015 Return: Wed Sep 9 2015 Trip spans 12 days
Delta
Delta
PHL
12:29p
ONT
8:12p
7h 43m
1 stop
ONT
2:05a
PHL
8:55a
6h 50m
1 stop
Depart: Wed Oct 7 2015 Return: Wed Oct 14 2015 Trip spans 8 days
United
United
PHL
1:40a
ONT
9:55a
8h 15m
1 stop
ONT
4:45p
PHL
11:55p
7h 10m
1 stop
Depart: Wed Aug 26 2015 Return: Mon Aug 31 2015 Trip spans 6 days
American Airlines
American Airlines
PHL
11:55a
ONT
7:55p
8h 00m
1 stop
ONT
3:25p
PHL
11:02p
7h 37m
1 stop
Depart: Tue Sep 1 2015 Return: Tue Sep 8 2015 Trip spans 8 days
American Airlines
American Airlines
PHL
3:00a
ONT
10:31a
7h 31m
1 stop
ONT
3:30p
PHL
11:17p
7h 47m
1 stop
Depart: Wed Sep 2 2015 Return: Tue Sep 8 2015 Trip spans 7 days
American Airlines
American Airlines
PHL
10:05a
ONT
5:04p
6h 59m
1 stop
ONT
8:59p
PHL
5:33a
8h 34m
1 stop
Depart: Wed Oct 21 2015 Return: Sat Oct 24 2015 Trip spans 4 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 22 2015 Return: Sat Oct 24 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 24 2015 Return: Tue Oct 27 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: Thu Nov 5 2015 Return: Mon Nov 9 2015 Trip spans 5 days
United
United
PHL
12:40a
ONT
8:55a
8h 15m
1 stop
ONT
3:45p
PHL
10:55p
7h 10m
1 stop
Depart: Thu Nov 19 2015 Return: Wed Dec 2 2015 Trip spans 14 days
Delta
Delta
PHL
11:20a
ONT
8:26p
9h 06m
1 stop
ONT
1:05a
PHL
8:01a
6h 56m
1 stop
Depart: Tue Aug 4 2015 Return: Tue Aug 25 2015 Trip spans 22 days
US Airways
US Airways
PHL
4:10p
ONT
10:57p
6h 47m
1 stop
ONT
8:35a
PHL
3:19p
6h 44m
1 stop
Depart: Wed Aug 5 2015 Return: Tue Aug 25 2015 Trip spans 21 days
US Airways
US Airways
PHL
4:10p
ONT
10:57p
6h 47m
1 stop
ONT
8:35a
PHL
3:19p
6h 44m
1 stop
Depart: Tue Aug 11 2015 Return: Tue Aug 25 2015 Trip spans 15 days
American Airlines
American Airlines
PHL
4:10p
ONT
10:57p
6h 47m
1 stop
ONT
10:15a
PHL
5:43p
7h 28m
1 stop
Depart: Wed Aug 12 2015 Return: Tue Aug 25 2015 Trip spans 14 days
American Airlines
American Airlines
PHL
4:10p
ONT
10:57p
6h 47m
1 stop
ONT
10:15a
PHL
5:43p
7h 28m
1 stop
Depart: Mon Aug 24 2015 Return: Mon Aug 31 2015 Trip spans 8 days
American Airlines
American Airlines
PHL
10:05a
ONT
5:04p
6h 59m
1 stop
ONT
3:25p
PHL
11:02p
7h 37m
1 stop
Depart: Thu Sep 3 2015 Return: Sun Sep 6 2015 Trip spans 4 days
United
United
PHL
2:00a
ONT
10:58a
8h 58m
1 stop
ONT
3:00a
PHL
1:15p
10h 15m
1 stop
Depart: Fri Sep 4 2015 Return: Mon Oct 5 2015 Trip spans 32 days
United
United
PHL
12:15p
ONT
10:59p
10h 44m
1 stop
ONT
4:45p
PHL
11:55p
7h 10m
1 stop
Depart: Mon Sep 7 2015 Return: Sat Sep 12 2015 Trip spans 6 days
United
United
PHL
2:00a
ONT
10:58a
8h 58m
1 stop
ONT
3:05p
PHL
11:55p
8h 50m
1 stop
Depart: Thu Oct 1 2015 Return: Sun Oct 4 2015 Trip spans 4 days
American Airlines
American Airlines
PHL
4:20p
ONT
10:52p
6h 32m
1 stop
ONT
3:30p
PHL
12:21a
8h 51m
1 stop
Airports
Origin

Philadelphia
$365
Destination

Ontario
$365