$79+ Cheap flights from Philadelphia to Ontario (PHL - ONT)

For as low as $263, Delta can have you in Ontario from Philadelphia in 8h 40m. Airlines will cover a distance of 2349 mi. Both multi-stop and nonstop flights can be found to your destination and back.

Our cheapest airline available from Philadelphia to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $155 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $256 and $256 round-trip. Users have found that Frontier is 62% cheaper than the other options available to this destination.

One-way options have recently been found by users for as low as $72 on Frontier. Other airlines that offer cheap prices include American Airlines from $140 and Southwest from $148 one-way.

Yes. In addition to deals on Philadelphia to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Ontario.

Yes. Cheapflights offers flight deals from Philadelphia to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, September is the cheapest month in which you can book a flight from Philadelphia to Ontario (average of $333). Flying from Philadelphia to Ontario in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.