Browse Origins:
Browse Destinations:

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 Apr 21 2015 Return: Mon May 4 2015 Trip spans 14 days
American Airlines
American Airlines
PHL
4:30p
ONT
9:07a
16h 37m
1 stop
ONT
10:20a
PHL
3:32a
17h 12m
1 stop
Depart: Sat Apr 25 2015 Return: Wed Apr 29 2015 Trip spans 5 days
American Airlines
American Airlines
PHL
3:50p
ONT
9:07a
17h 17m
1 stop
ONT
10:20a
PHL
3:32a
17h 12m
1 stop
Depart: Tue Apr 7 2015 Return: Tue Apr 21 2015 Trip spans 15 days
American Airlines
American Airlines
PHL
8:10a
ONT
7:00p
10h 50m
1 stop
ONT
10:20a
PHL
3:32a
17h 12m
1 stop
Depart: Tue May 5 2015 Return: Wed May 6 2015 Trip spans 2 days
American Airlines
American Airlines
PHL
4:30p
ONT
9:07a
16h 37m
1 stop
ONT
6:55a
PHL
3:05p
8h 10m
1 stop
Depart: Thu Apr 30 2015 Return: Mon May 4 2015 Trip spans 5 days
American Airlines
American Airlines
PHL
4:30p
ONT
9:07a
16h 37m
1 stop
ONT
3:25p
PHL
11:12p
7h 47m
1 stop
Depart: Fri May 1 2015 Return: Sun May 3 2015 Trip spans 3 days
American Airlines
American Airlines
PHL
4:40p
ONT
9:07a
16h 27m
1 stop
ONT
3:25p
PHL
11:12p
7h 47m
1 stop
Depart: Thu Apr 16 2015 Return: Thu Apr 23 2015 Trip spans 8 days
American Airlines
American Airlines
PHL
4:30p
ONT
9:07a
16h 37m
1 stop
ONT
10:20a
PHL
3:32a
17h 12m
1 stop
Depart: Fri Apr 24 2015 Return: Wed Apr 29 2015 Trip spans 6 days
United
United
PHL
1:30a
ONT
9:20a
7h 50m
1 stop
ONT
9:30a
PHL
4:37p
7h 07m
1 stop
Depart: Thu Apr 23 2015 Return: Tue Apr 28 2015 Trip spans 6 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: Wed Mar 25 2015 Return: Wed Apr 8 2015 Trip spans 15 days
American Airlines
American Airlines
PHL
9:55a
ONT
5:53p
7h 58m
1 stop
ONT
2:30a
PHL
9:38a
7h 08m
1 stop
Depart: Tue Mar 31 2015 Return: Wed Apr 8 2015 Trip spans 9 days
American Airlines
American Airlines
PHL
1:50p
ONT
10:22p
8h 32m
1 stop
ONT
2:30a
PHL
9:38a
7h 08m
1 stop
Depart: Wed Apr 22 2015 Return: Tue Apr 28 2015 Trip spans 7 days
American Airlines
American Airlines
PHL
1:50p
ONT
10:20p
8h 30m
1 stop
ONT
2:30a
PHL
9:38a
7h 08m
1 stop
Depart: Sun Apr 26 2015 Return: Tue Apr 28 2015 Trip spans 3 days
American Airlines
American Airlines
PHL
1:26a
ONT
9:07a
7h 41m
1 stop
ONT
2:30a
PHL
9:38a
7h 08m
1 stop
Depart: Wed May 6 2015 Return: Tue May 12 2015 Trip spans 7 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: Wed Sep 2 2015 Return: Wed Sep 9 2015 Trip spans 8 days
United
United
PHL
10:00a
ONT
6:10p
8h 10m
1 stop
ONT
7:35a
PHL
4:43p
9h 08m
1 stop
Depart: Wed Apr 8 2015 Return: Tue Apr 14 2015 Trip spans 7 days
United
United
PHL
1:30a
ONT
9:20a
7h 50m
1 stop
ONT
9:30a
PHL
4:37p
7h 07m
1 stop
Depart: Tue Apr 14 2015 Return: Fri Apr 17 2015 Trip spans 4 days
United
United
PHL
1:30a
ONT
9:20a
7h 50m
1 stop
ONT
9:30a
PHL
4:38p
7h 08m
1 stop
Depart: Wed Apr 15 2015 Return: Mon Apr 20 2015 Trip spans 6 days
United
United
PHL
1:30a
ONT
9:20a
7h 50m
1 stop
ONT
4:39p
PHL
12:10a
7h 31m
1 stop
Depart: Sat Apr 18 2015 Return: Sat Apr 25 2015 Trip spans 8 days
Delta
Delta
PHL
12:28p
ONT
9:45p
9h 17m
1 stop
ONT
2:15a
PHL
8:48a
6h 33m
1 stop
Depart: Thu Jul 2 2015 Return: Tue Jul 21 2015 Trip spans 20 days
Multiple Airlines
Multiple Airlines
PHL
11:40a
ONT
8:05p
8h 25m
1 stop
ONT
6:00a
PHL
3:19p
9h 19m
1 stop
Change your search
Airports
Origin

Philadelphia
$353
Destination

Ontario
$353