$110+ Cheap flights from Ontario to Philadelphia (ONT - PHL)

There are many flights that can get you from Ontario to Philadelphia in 7h 34m. Fly via Delta or Southwest to get the fastest option. Ontario and Philadelphia are separated by a distance of 2349 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

Cheapflights users have booked flights from Ontario to Philadelphia round-trip from $155. Other airlines that can offer you cheap pricing are Delta, from $282, and American Airlines, from $300. Frontier is 63% cheaper than the average price of flights available within the next 90 days to this destination.

The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $66. However, be on the lookout for offers from Frontier and American Airlines, as they are both options that can get you from Ontario to Philadelphia for a low price.

Yes. In addition to deals on Ontario to Philadelphia 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 Ontario to Philadelphia.

Yes. Cheapflights offers flight deals from Ontario to Philadelphia 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 Ontario to Philadelphia (average of $346). Flying from Ontario to Philadelphia in October is currently the most expensive (average of $494). 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.