Which airline flies the most flights to SDF? The top airline carrier flying out of Louisville Intl. is Delta Air Lines and they fly over 1,042 flights every month.
- United - Louisville (SDF) to Dallas (DFW) on 2/27 leaving at 4:13 am and returning on 3/1 at 10:55 am for only $109 per person.*
- American Airlines - Louisville (SDF) to Toronto (YYZ) on 2/27 leaving at 2:16 pm and returning on 3/1 at 10:16 am for only $215 per person.*
- United - Louisville (SDF) to Denver (DEN) on 2/27 leaving at 5:55 am and returning on 3/2 at 7:16 pm for only $247 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 02/21/2018 and may change as you get closer to the actual flight date. Deals displayed whose dates are in the past are no longer valid.