When flying from Harrisburg to Chicago Midway Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
To save up to 84% on this flight, we recommend booking at least 27 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Harrisburg to Chicago Midway Airport from $408 1-2 weeks out and tickets from $586 for flights departing within the next 72 hours.