Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Harrisburg to Baltimore as you normally would.
The best pricing can be found in the month of April. Prices to Baltimore from Harrisburg average $262. You can even find prices in April for less than $262, as users have found deals to Baltimore from as low as $98. The month of January appears to be one of the more expensive times to travel to Baltimore from Harrisburg. Flying in the targeted month can save you up to 50%.