To save on the cost of your flight from Hagerstown to Philadelphia, book at least 23 days before your planned departure. Booking around this time can save you about 26% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $179 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $231.
Flights from Hagerstown to Philadelphia lean towards being more expensive in December. Prices are generally better when you fly from Hagerstown to Philadelphia in July, with the cheapest ticket starting at $52.