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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 May 19 2015 Return: Tue Jun 2 2015 Trip spans 15 days
American Airlines
American Airlines
PHL
1:26a
ONT
9:05a
7h 39m
1 stop
ONT
10:20a
PHL
5:27p
7h 07m
1 stop
Depart: Sat May 23 2015 Return: Tue May 26 2015 Trip spans 4 days
United
United
PHL
2:08p
ONT
11:10p
9h 02m
1 stop
ONT
1:50p
PHL
12:24a
10h 34m
1 stop
Depart: Wed Jun 17 2015 Return: Tue Jun 23 2015 Trip spans 7 days
US Airways
US Airways
PHL
4:10p
ONT
10:57p
6h 47m
1 stop
ONT
5:45p
PHL
1:05a
7h 20m
1 stop
Depart: Sun May 24 2015 Return: Tue May 26 2015 Trip spans 3 days
United
United
PHL
2:30a
ONT
11:17a
8h 47m
1 stop
ONT
4:39p
PHL
12:24a
7h 45m
1 stop
Depart: Thu Jun 4 2015 Return: Mon Jun 8 2015 Trip spans 5 days
United
United
PHL
1:33a
ONT
9:48a
8h 15m
1 stop
ONT
4:01p
PHL
12:26a
8h 25m
1 stop
Depart: Tue Jun 16 2015 Return: Tue Jun 23 2015 Trip spans 8 days
American Airlines
American Airlines
PHL
4:10p
ONT
10:57p
6h 47m
1 stop
ONT
5:45p
PHL
1:05a
7h 20m
1 stop
Depart: Tue Jul 21 2015 Return: Wed Jul 29 2015 Trip spans 9 days
US Airways
US Airways
PHL
4:10p
ONT
10:57p
6h 47m
1 stop
ONT
5:45p
PHL
1:05a
7h 20m
1 stop
Depart: Thu Aug 20 2015 Return: Sun Aug 23 2015 Trip spans 4 days
American Airlines
American Airlines
PHL
6:20a
ONT
3:01p
8h 41m
1 stop
ONT
3:30p
PHL
11:17p
7h 47m
1 stop
Depart: Fri Sep 4 2015 Return: Mon Sep 7 2015 Trip spans 4 days
United
United
PHL
12:15p
ONT
10:59p
10h 44m
1 stop
ONT
4:45p
PHL
11:55p
7h 10m
1 stop
Depart: Fri Sep 11 2015 Return: Thu Sep 17 2015 Trip spans 7 days
United
United
PHL
11:19a
ONT
7:00p
7h 41m
1 stop
ONT
4:45p
PHL
11:55p
7h 10m
1 stop
Depart: Wed Oct 14 2015 Return: Tue Oct 20 2015 Trip spans 7 days
United
United
PHL
1:40a
ONT
9:55a
8h 15m
1 stop
ONT
9:15a
PHL
3:43p
6h 28m
1 stop
Depart: Sat May 16 2015 Return: Tue May 19 2015 Trip spans 4 days
American Airlines
American Airlines
PHL
2:00p
ONT
10:20p
8h 20m
1 stop
ONT
3:25p
PHL
11:12p
7h 47m
1 stop
Depart: Wed May 20 2015 Return: Tue Jun 2 2015 Trip spans 14 days
American Airlines
American Airlines
PHL
1:26a
ONT
9:05a
7h 39m
1 stop
ONT
10:20a
PHL
5:27p
7h 07m
1 stop
Depart: Wed Jun 10 2015 Return: Tue Jun 16 2015 Trip spans 7 days
American Airlines
American Airlines
PHL
1:20a
ONT
9:12a
7h 52m
1 stop
ONT
3:25p
PHL
11:02p
7h 37m
1 stop
Depart: Sat Jun 20 2015 Return: Tue Jun 23 2015 Trip spans 4 days
US Airways
US Airways
PHL
4:10p
ONT
10:57p
6h 47m
1 stop
ONT
5:45p
PHL
1:05a
7h 20m
1 stop
Depart: Thu Jun 11 2015 Return: Tue Jun 16 2015 Trip spans 6 days
US Airways
US Airways
PHL
4:10p
ONT
10:57p
6h 47m
1 stop
ONT
5:45p
PHL
1:05a
7h 20m
1 stop
Depart: Sat Jun 13 2015 Return: Tue Jun 16 2015 Trip spans 4 days
US Airways
US Airways
PHL
4:10p
ONT
10:57p
6h 47m
1 stop
ONT
5:45p
PHL
1:05a
7h 20m
1 stop
Depart: Thu May 28 2015 Return: Mon Jun 1 2015 Trip spans 5 days
American Airlines
American Airlines
PHL
9:40a
ONT
7:00p
9h 20m
1 stop
ONT
3:25p
PHL
11:12p
7h 47m
1 stop
Depart: Mon May 25 2015 Return: Tue May 26 2015 Trip spans 2 days
United
United
PHL
2:30a
ONT
11:17a
8h 47m
1 stop
ONT
3:17p
PHL
12:24a
9h 07m
1 stop
Depart: Tue Jun 9 2015 Return: Wed Jun 10 2015 Trip spans 2 days
US Airways
US Airways
PHL
3:00a
ONT
10:31a
7h 31m
1 stop
ONT
3:25p
PHL
11:02p
7h 37m
1 stop
Airports
Origin

Philadelphia
$409
Destination

Ontario
$409