Flights from Louisville to Denver

Our cheapest offers for flights from Louisville to Denver

Here you can compare cheap flights from Louisville (SDF) to Denver (DEN) 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 Denver. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Louisville
Denver
Outbound
09/04/25
direct
UA1510
02h 58min
Return
09/28/25
direct
UA0231
02h 45min
United Airlines ?
$216
Louisville
Denver
Pay attention to transfer at connecting flight
Outbound
09/04/25
2 Stopovers (SFB, AVL)
G41286, G40239, G40233
15h 11min
Return
09/28/25
2 Stopovers (MSP, DTW)
SY0652, NK2383, NK3882
29h 25min
Allegiant Air
$311
Louisville
Denver
Outbound
09/04/25
direct
UA1029
02h 59min
Return
09/28/25
direct
UA0231
02h 45min
United Airlines ?
$219
Louisville
Denver
Outbound
09/04/25
1 Stopover (DFW)
AA2396, AA0662
06h 52min
Return
09/28/25
1 Stopover (ORD)
AA2755, AA4603
12h 00min
American Airlines ?
$270
Louisville
Denver
Outbound
10/18/25
direct
UA1233
02h 59min
Return
11/17/25
direct
UA0231
02h 32min
United Airlines ?
$351
Louisville
Denver
Pay attention to transfer at connecting flight
Outbound
10/18/25
2 Stopovers (PIE, ABE)
G42722, G41028, G40174
26h 00min
Return
11/17/25
3 Stopovers (MSP, LAS, LAX)
SY0654, SY0107, NK0465, NK0468
27h 36min
Allegiant Air
$357
Louisville
Denver
Outbound
09/04/25
1 Stopover (DFW)
AA2396, AA0577
05h 10min
Return
09/28/25
1 Stopover (ORD)
AA2755, AA4603
12h 00min
American Airlines ?
$386
Louisville
Denver
Outbound
10/18/25
1 Stopover (ORD)
AA4622, AA2363
08h 52min
Return
11/17/25
1 Stopover (ORD)
AA2762, AA4978
19h 40min
American Airlines ?
$412
Louisville
Denver
Outbound
10/18/25
1 Stopover (ORD)
AA4622, AA2363
08h 52min
Return
11/17/25
1 Stopover (CLT)
AA3299, AA5634
08h 39min
American Airlines ?
$475
Louisville
Denver
Outbound
09/04/25
direct
UA1029
02h 59min
Return
09/28/25
direct
UA0231
02h 45min
United Airlines ?
$726
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Louisville to Denver

Favorite airline: United Airlines
Flight tickets on the route Louisville – Denver are most frequently booked with United Airlines.
United Airlines
75 %
Spirit Airlines
25 %

Important flight information

Flight information: Louisville - Denver

Roundtrip from $215.28
Flight duration min. 03:00 / max. 08:50
Return flight duration min. 02:20/ max. 08:10
Distance 1645 km
Flights per week 33
Departure airport Airport Louisville International Airport, KY (SDF)
Arrival airport Airport Denver International Airport, CO (DEN)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Denver
Flight destinations with a similar price
Flight destinations with a similar price