May can be a great time to fly to Chicago Greater Rockford Airport from Harlingen, Texas with a flight ticket averaging about $404. Cheapflights users have found deals in the month of May for as cheap as $233. The most expensive prices can be found in the month of July.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Harlingen, Texas to Chicago Greater Rockford Airport as you normally would.
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