Airlines with flights from Denver to Louisville
There are four airlines with scheduled flights between DEN and SDF. Both United and Southwest operates non-stop flights from Denver International to Louisville International Airport and the flight time is 2 hours and 43 minutes.
Choose airline
Schedules
Non-stop with United Airlines
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Total flight time: 2 hours and 43 minutes
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Denver is a United Airlines hub.
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13 flights per week
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Airbus A319Airbus A320
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Business and first class available
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with Southwest Airlines
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Total flight time: 2 hours and 25 minutes
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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6 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 Passenger
Flight
The timetable & schedule information was updated at 2026-04-21
Via Nashville with Southwest Airlines
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Total flight time: 4h 10m - 9h 10m.
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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113 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 Passenger
Flight
WN550
WN4466
WN650
WN670
WN550
WN671
WN671
WN671
WN671
WN671
WN671
WN671
WN671
WN671
WN671
WN671
The timetable & schedule information was updated at 2026-04-21
Via Chicago with Southwest Airlines
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Total flight time: 4h 15m - 8h 15m.
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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85 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 Passenger
Flight
WN670
WN3743
WN4473
WN670
WN3743
WN3743
WN2624
WN4209
WN4597
WN2624
WN2624
WN4597
WN4597
WN2829
WN2829
WN2829
WN4597
WN4597
WN4597
WN2829
The timetable & schedule information was updated at 2026-04-21
Via Minneapolis with Delta Air Lines
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Total flight time: 4h 23m - 6h 35m.
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Sky Team Alliance
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67 flights per week
Flight
DL5017
DL4923
DL4923
DL5070
The timetable & schedule information was updated at 2026-04-21
Via Chicago with American Airlines
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Total flight time: 4h 30m - 7h 06m.
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One World Alliance
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75 flights per week
Flight
AA4997
AA4703
AA4603
The timetable & schedule information was updated at 2026-04-21

There are four airlines with scheduled flights between DEN and SDF. Both United and Southwest operates non-stop flights from Denver International to Louisville International Airport and the flight time is 2 hours and 43 minutes.