Flights from Harrisburg to Illinois lean towards being more expensive in November. Prices are generally better when you fly from Harrisburg to Illinois in August, with the cheapest ticket starting at $176.
Find a great deal and save up to 34% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Harrisburg to Illinois within the next two weeks, with the cheapest ticket starting at $376.
When flying from Harrisburg to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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