There are most likely no direct flights on the Ontario — Philadelphia route
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Ontario to Philadelphia. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
In different months, ticket prices from Ontario to Philadelphia vary: minimum — $214 (December 2026), maximum — $278 (October 2026). Typically, the flight costs $246–$278.
A non-stop flight is the most convenient and comfortable way to fly from Ontario to Philadelphia, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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There are most likely no direct flights on the Ontario — Philadelphia route
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There appear to be no non-stop flights from Ontario to Philadelphia at this time.... Well, or something went wrong on our side and we couldn't find anything
starting at $196
You can fly from Ontario to Philadelphia with Frontier Airlines. It is the only carrier on this route, which makes the choice straightforward. Despite the lack of competition, ticket prices remain affordable: fares start from $196. Our service helps you track price changes, compare by dates, and select the most suitable flight. If you value stability and predictability, flying with Frontier Airlines is a convenient solution. We make it easy to find good deals and ensure a comfortable booking process.
The cheapest flight ticket from Ontario to Philadelphia according to data for the last 48 hours costs $196
Often the best time to buy tickets from Ontario to Philadelphia is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Ontario to Philadelphia can be found flying in these months: December, October.
The fastest flights from Ontario to Philadelphia start from 10 hours 53 minutes in the air.
The following airlines operate direct flights on the route Ontario — Philadelphia:
We couldn't find any special offers for flights from Ontario to Philadelphia
The cheapest one-way flight from Ontario to Philadelphia departs on 10/21/2026, is operated by Frontier Airlines and costs $196
There is no information about the cheapest roundtrip flight from Ontario to Philadelphia
Fastest flight from Ontario to Philadelphia takes 10h 53m
There are no direct flights on this route.
The distance between Ontario and Philadelphia is 3792km (2351 miles). The time difference between Ontario and Philadelphia is 3h