Which airline flies the most flights to MLI? The top airline carrier flying out of Quad City Intl. is Delta Air Lines and they fly over 521 flights every month.
- Delta - Quad Cities (MLI) to Atlanta (ATL) on 11/21 leaving at 4:00 am and returning on 11/23 at 2:45 pm for only $284 per person.*
- Delta - Quad Cities (MLI) to Toronto (YYZ) on 11/21 leaving at 4:30 am and returning on 11/23 at 2:34 pm for only $286 per person.*
- United - Quad Cities (MLI) to Chicago (ORD) on 11/21 leaving at 3:15 am and returning on 11/23 at 9:31 am for only $326 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 11/16/2017 and may change as you get closer to the actual flight date. Deals displayed whose dates are in the past are no longer valid.