To save up to 96% on this flight, we recommend booking at least 31 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Arizona to Belleville from $374 1-2 weeks out and tickets from $553 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Belleville. Flights to Belleville from Arizona in August are about $266 on average during August, but can be found for as low as $158.