Are direct flights from Denver to Louisville always the best option?

Direct flights are often more convenient as they reduce travel time and the risk of missed connections. However, connecting flights can sometimes be more affordable, especially if you are willing to accept a longer journey. The 'best' option depends on your priorities.

Can flexible travel dates help on Denver to Louisville flights?

Yes, being flexible with your travel dates can often lead to finding cheaper flights. Prices for airfare can vary significantly depending on the day of the week or time of year. Adjusting your departure or return by a few days may result in notable savings.

What extra costs should I check before booking Denver to Louisville flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. These additional fees can impact the total price of your trip.

Flights From Denver

To Louisville

Cheap Flights from Denver to Louisville

Browse current best options from Denver. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Denver

RatePunk searches hundreds of travel sites at once for deals on flights to Louisville

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Denver to Louisville

Explore current cheapest deals departing from Denver to Louisville

2026-09-01 – 2026-09-23
DEN - Louisville
68% AI deal score
$290
$243
Round trip
2026-09-01 – 2026-09-26
DEN - Louisville
68% AI deal score
$289
$243
Round trip
2026-08-18 – 2026-08-31
DEN - Louisville
74% AI deal score
$333
$248
Round trip
2026-08-19 – 2026-08-31
DEN - Louisville
74% AI deal score
$335
$248
Round trip
2026-08-28 – 2026-08-31
DEN - Louisville
76% AI deal score
$391
$250
Round trip
2026-09-16 – 2026-09-23
DEN - Louisville
74% AI deal score
$345
$250
Round trip
2026-08-21 – 2026-08-31
DEN - Louisville
74% AI deal score
$341
$250
Round trip
2026-09-16 – 2026-09-26
DEN - Louisville
69% AI deal score
$317
$250
Round trip
2026-08-15 – 2026-08-22
DEN - Louisville
76% AI deal score
$380
$263
Round trip
2026-09-30 – 2026-10-10
DEN - Louisville
68% AI deal score
$320
$264
Round trip

Denver to Louisville: Overview

Insights for flights from Denver to Louisville

Fares for flights from Denver to Louisville typically range from $578–$917, with a median of $702. Right now, current fares are below the typical level, and about 1% of recent fares were classified as a good price. New deals show up several times a week, offering opportunities for cheap flights from Denver to Louisville.

When considering the cheapest time to fly from Denver to Louisville, the data indicates that November, September, and July are the most affordable months, all with a median fare of $149.

The journey from Denver to Louisville covers a distance of 1,644 kilometers, classifying it as a medium-haul route.

Most itineraries for this route connect at least once, with only 9.5% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 2.

A typical journey from Denver to Louisville, including connections, takes approximately 2h 44m.

How much is a round trip from Denver to Louisville

Regular price: $307 - $471

Prices for flights from Denver to Louisville are currently below the regular range.

The regular price range for this route is $307 to $471. The current lowest deal is $261 with Frontier Airlines for travel from Aug 15-Aug 22.

now $261

Low $307

High $471

The cheapest time to fly from Denver to Louisville

The cheapest month to fly from Denver to Louisville is July, with a median price of $149. The most expensive month is June, with a median price of $715. Prices are generally lower from July to December.

July

Cheapest

Flights from $149

June

Most Expensive

Flights from $715

Jan

Mar

Jun

Jul

Aug

Sep

Nov

Dec

Direct flights from Denver to Louisville

Southwest Airlines

Last-minute flights going from Denver to Louisville

Mon, Aug 3

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$443

$439

One-way

Wed, Aug 5

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Breeze Airways

$436

$440

One-way

Wed, Aug 5

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$473

$457

One-way

Thu, Aug 13

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$422

$347

One-way

Thu, Aug 13

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$385

$390

One-way

Fri, Aug 14

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$384

$403

One-way

Biggest price drops on these dates for flights from Denver to Louisville

7 nights

Aug 15 - Aug 22

$383 → $261

32%

2 nights

Aug 15 - Aug 17

$419 → $303

28%

7 nights

Aug 19 - Aug 26

$384 → $300

22%

4 nights

Aug 13 - Aug 17

$422 → $347

18%

Popular Airports to fly from Denver to Louisville

Denver - Louisville route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Denver to Louisville are below the typical level at $261.

📅 Best time to fly

Fly in July, September, or November for the best prices

Historically, the cheapest months to fly are July, September, and November, with median prices around $149.

⏱️ Flight duration

Direct flights average 2h 44m

The typical direct flight duration from Denver to Louisville is 2h 44m.

✈️ Airlines & availability

Connecting flights are dominant

Only 9.5% of recent fares from Denver to Louisville are for direct flights.

🏆 Airline highlight

Frontier Airlines offers a recent deal

A recent deal from Frontier Airlines was found for $261.

🎯 Booking tip

Deals appear regularly

Deals on flights from Denver to Louisville appear regularly.

Denver main airports to depart from

Denver International (DEN)

Cheapest

Denver International Airport is a great choice for flights from Denver to Louisville.

📍 ~40 km from city center (reachable by car or train)

💸 Flights from ~$241

Louisville main airports to arrive at

Louisville International (SDF)

Cheapest

Louisville International Airport is a convenient arrival point for your trip to Louisville.

📍 ~10 km from Louisville city center (reachable by car)

💸 Flights from ~$241

Airports nearby Louisville used as alternative

Cincinnati/Northern Kentucky International (CVG)

Cincinnati/Northern Kentucky International is a major international hub with significantly more direct flight options than Louisville.

📍 ~150 km from Louisville (reachable by car)

💸 Flights from ~$141

Business & First Class Flight Deals to Louisville

76% AI deal score

$903

$671

Save $232

Frequently Asked Questions About Flights to Louisville

To find cheaper flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Setting up price alerts may also help you catch a good offer.

Booking in advance, often several weeks to a few months before your desired departure, can sometimes lead to lower fares. However, prices can fluctuate, so monitoring them is usually a good strategy. Last-minute bookings may occasionally be more expensive.

Comparing nearby airports can sometimes offer alternative flight options or potentially lower prices. While it may add to your ground travel time, the savings on airfare could be significant. Always factor in the total cost and convenience.

Related routes

More routes from Denver

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Flights to Louisville from other cities

Flights from Dallas to Louisville Flights from Frankfurt to Louisville Flights from Istanbul to Louisville Flights from Lisbon to Louisville Flights from Munich to Louisville Flights from Oklahoma City to Louisville Flights from Orlando to Louisville Flights from Phoenix to Louisville Flights from Raleigh to Louisville Flights from Rome to Louisville Flights from Tokyo to Louisville Flights from Tulsa to Louisville

Denver to Louisville: Overview

Insights for flights from Denver to Louisville

The journey from Denver to Louisville covers a distance of 1,644 kilometers, classifying it as a medium-haul route.

Most itineraries for this route connect at least once, with only 9.5% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 2.

A typical journey from Denver to Louisville, including connections, takes approximately 2h 44m.

How much is a round trip from Denver to Louisville

Regular price: $307 - $471

Prices for flights from Denver to Louisville are currently below the regular range.

The regular price range for this route is $307 to $471. The current lowest deal is $261 with Frontier Airlines for travel from Aug 15-Aug 22.

now $261

Low $307

High $471

The cheapest time to fly from Denver to Louisville

July

Cheapest

Flights from $149

June

Most Expensive

Flights from $715

Jan

Mar

Jun

Jul

Aug

Sep

Nov

Dec