Find Deals on Flights from Ontario to Philadelphia (ONT - PHL)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Ontario to Philadelphia

(Round-trip)
Depart: Mon Mar 13 2017 Return: Tue Mar 14 2017 Trip spans 2 days
American Airlines
American Airlines
ONT
3:30p
PHL
10:22p
6h 52m
1 stop
PHL
3:10a
ONT
10:46a
7h 36m
1 stop
Depart: Mon Jan 9 2017 Return: Sat Jan 14 2017 Trip spans 6 days
Delta
Delta
ONT
1:35p
PHL
8:54p
7h 19m
1 stop
PHL
2:00a
ONT
10:14a
8h 14m
1 stop
Depart: Tue Mar 7 2017 Return: Sat Mar 11 2017 Trip spans 5 days
Major Airline
Major Airline
ONT
8:15a
PHL
3:32a
19h 17m
1 stop
PHL
7:35a
ONT
8:44a
24h 09m
1 stop
Depart: Sat Apr 29 2017 Return: Fri May 5 2017 Trip spans 7 days
Southwest
Southwest
ONT
4:35a
PHL
12:05p
7h 30m
1 stop
PHL
9:50a
ONT
6:45p
8h 55m
1 stop
Depart: Sun Dec 25 2016 Return: Fri Jan 13 2017 Trip spans 20 days
American Airlines
American Airlines
ONT
7:45a
PHL
2:15p
6h 30m
1 stop
PHL
12:15a
ONT
8:09a
7h 54m
1 stop
Depart: Thu Jan 19 2017 Return: Tue Jan 24 2017 Trip spans 6 days
Delta
Delta
ONT
1:00a
PHL
9:42a
8h 42m
1 stop
PHL
1:11p
ONT
9:04p
7h 53m
1 stop
Depart: Wed Dec 28 2016 Return: Wed Jan 4 2017 Trip spans 8 days
United
United
ONT
12:35p
PHL
11:21p
10h 46m
1 stop
PHL
1:00a
ONT
10:20a
9h 20m
1 stop
Depart: Fri Jan 6 2017 Return: Tue Jan 10 2017 Trip spans 5 days
American Airlines
American Airlines
ONT
7:45a
PHL
2:15p
6h 30m
1 stop
PHL
12:15a
ONT
8:09a
7h 54m
1 stop
Depart: Wed Jan 25 2017 Return: Tue Jan 31 2017 Trip spans 7 days
Delta
Delta
ONT
1:00a
PHL
9:42a
8h 42m
1 stop
PHL
1:11p
ONT
9:04p
7h 53m
1 stop
Depart: Sat Jan 7 2017 Return: Tue Jan 10 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
7:45a
PHL
2:15p
6h 30m
1 stop
PHL
12:15a
ONT
8:09a
7h 54m
1 stop
Depart: Fri Feb 10 2017 Return: Mon Feb 13 2017 Trip spans 4 days
Delta
Delta
ONT
1:00a
PHL
9:42a
8h 42m
1 stop
PHL
1:11p
ONT
9:04p
7h 53m
1 stop
Depart: Tue Jan 10 2017 Return: Fri Jan 13 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
7:45a
PHL
2:52p
7h 07m
1 stop
PHL
12:15a
ONT
8:09a
7h 54m
1 stop
Depart: Tue Feb 14 2017 Return: Sun Feb 19 2017 Trip spans 6 days
Delta
Delta
ONT
1:00a
PHL
9:42a
8h 42m
1 stop
PHL
11:00a
ONT
8:45p
9h 45m
1 stop
Depart: Wed Jan 11 2017 Return: Sun Jan 15 2017 Trip spans 5 days
American Airlines
American Airlines
ONT
1:15a
PHL
8:13a
6h 58m
1 stop
PHL
1:45a
ONT
9:46a
8h 01m
1 stop
Depart: Thu Mar 2 2017 Return: Sun Mar 5 2017 Trip spans 4 days
Delta
Delta
ONT
1:00a
PHL
9:48a
8h 48m
1 stop
PHL
1:03p
ONT
8:44p
7h 41m
1 stop
Depart: Thu Jan 12 2017 Return: Sun Jan 15 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
7:45a
PHL
2:52p
7h 07m
1 stop
PHL
12:15a
ONT
8:09a
7h 54m
1 stop
Depart: Fri Dec 16 2016 Return: Sun Dec 18 2016 Trip spans 3 days
Delta
Delta
ONT
1:00a
PHL
9:43a
8h 43m
1 stop
PHL
1:14p
ONT
9:01p
7h 47m
1 stop
Depart: Fri Jan 13 2017 Return: Wed Jan 18 2017 Trip spans 6 days
American Airlines
American Airlines
ONT
1:15a
PHL
8:13a
6h 58m
1 stop
PHL
8:30a
ONT
4:28p
7h 58m
1 stop
Depart: Sat Jan 14 2017 Return: Mon Jan 16 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
7:45a
PHL
2:52p
7h 07m
1 stop
PHL
10:55a
ONT
7:39p
8h 44m
1 stop
Depart: Tue Dec 27 2016 Return: Wed Jan 4 2017 Trip spans 9 days
United
United
ONT
12:40a
PHL
5:42p
17h 02m
1 stop
PHL
1:00a
ONT
10:20a
9h 20m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Ontario
$308
Destination

Philadelphia
$308