To save on the cost of your flight from Harrisburg to New Hampshire, book at least 51 days before your planned departure. Booking around this time can save you about 77% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $349 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $524.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Harrisburg to New Hampshire as you normally would.