Which airline flies the most flights to DEC? The top airline carrier flying out of Decatur IL is and they fly over 80 flights every month.
- Air Choice One - Decatur (DEC) to Chicago (ORD) on 1/5 leaving at 12:15 pm and returning on 1/7 at 11:20 am for only $278 per person.*
*Prices vary and will be updated when you view current flight availability results. Deals displayed here are based on flight pricing and availability as of 12/19/2017 and may change as you get closer to the actual flight date. Deals displayed whose dates are in the past are no longer valid.