Flights from Denver to Louisville

Our cheapest offers for flights from Denver to Louisville

Here you can compare cheap flights from Denver (DEN) to Louisville (SDF) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Louisville. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Denver
Louisville
Outbound
11/09/25
direct
UA0231
02h 39min
Return
12/07/25
direct
UA0513
03h 05min
United Airlines ?
$242
Denver
Louisville
Please note: transfer for connecting flight
Outbound
11/09/25
2 Stopovers (MSP, MCO)
SY0658, SY0343, NK3512
27h 04min
Return
12/07/25
3 Stopovers (LAX, DFW, CVN)
NK2419, NK0822, KG5411, KG5414
21h 37min
Sun Country Airlines, Spirit Airlines
$488
Denver
Louisville
Outbound
11/09/25
direct
UA0231
02h 39min
Return
12/07/25
direct
UA0513
03h 05min
United Airlines ?
$246
Denver
Louisville
Outbound
11/09/25
direct
UA0231
02h 39min
Return
12/07/25
direct
UA0513
03h 05min
United Airlines
$258
Denver
Louisville
Outbound
02/13/26
direct
UA1479
02h 39min
Return
02/26/26
direct
UA1125
03h 17min
United Airlines ?
$464
Denver
Louisville
Outbound
02/13/26
1 Stopover (ORD)
AA2771, AA3681
25h 11min
Return
02/26/26
1 Stopover (ORD)
AA4622, AA2514
08h 31min
American Airlines ?
$474
Denver
Louisville
Outbound
02/13/26
1 Stopover (CLT)
AA2511, AA5634
08h 55min
Return
02/26/26
1 Stopover (ORD)
AA3681, AA1387
12h 28min
American Airlines ?
$530
Denver
Louisville
Outbound
02/13/26
1 Stopover (ORD)
AA2833, AA4244
04h 16min
Return
02/26/26
1 Stopover (ORD)
AA4622, AA2514
08h 31min
American Airlines ?
$577
Denver
Louisville
Outbound
11/09/25
1 Stopover (DFW)
AA0420, AA3193
05h 11min
Return
12/07/25
1 Stopover (DFW)
AA3072, AA0577
05h 33min
American Airlines ?
$602
Denver
Louisville
Outbound
11/09/25
1 Stopover (ORD)
F93172, UA3551
23h 41min
Return
12/07/25
4 Stopovers (ORD, MUC, WAW, IST)
LH7927, LH0435, LH1614, TK1766, TK0201
49h 38min
Frontier Airlines, United Airlines ?
$1,701
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: Denver - Louisville

Roundtrip from $241.74
Flight duration min. 02:20 / max. 08:10
Return flight duration min. 03:00/ max. 08:50
Distance 1645 km
Flights per week 33
Departure airport Airport Denver International Airport, CO (DEN)
Arrival airport Airport Louisville International Airport, KY (SDF)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Louisville
Flight destinations with a similar price
Flight destinations with a similar price