Cheap Flights from Ontario, CA to Philadelphia, PA from $111
On Cheapflightsplus.com you will find 156 connecting flights from Ontario to Philadelphia. You can compare airfare deals from 4 airlines and multiple travel sites from $111, book and save on cheap plane tickets and last minute offers. Also check out ONT-PHL flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Ontario to Philadelphia depends on and how to choose the most interesting flight option for you.
Distance between Ontario and Philadelphia is 3783 miles. Time difference between the cities is 3h. Airplanes depart 00:59 to 19:36 from 2 Ontario airports and arrive 00:59 to 19:36 to 4 Philadelphia airports. Average flight time is 15h 21m.
- The fastest flight 6h 45m
- Average flight time 15h 21m
- The earliest flight 00:59
- The latest flight 19:36
- Distance 2351 ml
Best Flights from Ontario to Philadelphia Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $111 | 17:14 Ontario Ontario Int. | 05:49+1 день Philadelphia Philadelphia Int. | 9h 35m layover 3h 26m - Las Vegas | Frontier Airlines | F91358 F91602 |
from $133 | 07:00 Ontario Ontario Int. | 05:49+1 день Philadelphia Philadelphia Int. | 19h 49m layover 13h 43m - Las Vegas | Frontier Airlines | F92232 F91602 |
The cheapest months to travel to Philadelphia are july (from 111 $), august (from 113 $), february (from 215 $).
The most expensive months are november (from 599 $), december (from 260 $), september (from 236 $).
What is the lowest airfare Ontario to Philadelphia?
The cheapest plane ticket found by our users is $111. This airfare is for economy class on one-way F91358 flight by Frontier Airlines for July 6, 2025 which leaves Ontario Int. in Ontario at 17:14 am and arrives at Philadelphia Philadelphia Int. at 05:49.
Flight Schedule Ontario (California) to Philadelphia (Pennsylvania)
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Popular Airlines on the Route
The flight Ontario — Philadelphia is served by 4 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 47 departures per week at the price of from $ 244 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 801.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 156 flights with layovers on the route. The fastest connecting flight is UA1942 by United Airlines takes 6h 45m and the cheapest is F91358 by Frontier Airlines for $111.
- AS - Alaska Airlinesfrom $244Find
- F9 - Frontier Airlinesfrom $111Find
- HA - Hawaiian Airlinesfrom $235Find
- UA - United Airlinesfrom $228Find
Airports
You can fly from Ontario to Philadelphia from 2 airports (Ontario Int., International Heliport).
Ontario airports
- Ontario Int.-ONTfrom $111Find
- International Heliport-JIOFind
Philadelphia airports
- Philadelphia Int.-PHLFind
- North Philadelphia-PNEFind
- Mustin Alf-MUVFind
- Philadelphia Sea Plane Base-PSQFind
Airplanes
There are flights to Philadelphia from Ontario by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Ontario
You may also consider searching for discounted plane tickets to some other popular places from Ontario within United States.
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Top International Destinations from Ontario
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?

- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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