To save on the cost of your flight from Illinois to Fayetteville, book at least 19 days before your planned departure. Booking around this time can save you about 40% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $244 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $379.
Due to multiple factors, expect to potentially pay more when booking in January. For low rates, August can be a great choice for travel to Fayetteville. Flights to Fayetteville from Illinois in August are about $284 on average during August, but can be found for as low as $154.