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

Direct flights offer convenience by reducing travel time and avoiding layovers, which can be appealing. However, connecting flights may sometimes be more affordable, depending on the route and demand. Evaluate your priorities for cost versus travel time.

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 season. Traveling during off-peak times may result in more budget-friendly options.

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. Understanding these fees beforehand can help you budget accurately.

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 7 days ago

482 airlines compared

80%+ AI score for best value

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

Today’s best flight deals from Denver to Louisville

Explore current cheapest deals departing from Denver to Louisville

2027-01-19 – 2027-02-07
DEN - Louisville
48% AI deal score
$247
$234
Round trip
2027-01-06 – 2027-01-11
DEN - Louisville
68% AI deal score
$288
$236
Round trip
2027-02-03 – 2027-02-07
DEN - Louisville
73% AI deal score
$306
$236
Round trip
2027-01-27 – 2027-02-07
DEN - Louisville
65% AI deal score
$262
$237
Round trip
2027-01-20 – 2027-02-07
DEN - Louisville
48% AI deal score
$249
$237
Round trip
2027-01-19 – 2027-02-08
DEN - Louisville
47% AI deal score
$247
$240
Round trip
2027-02-03 – 2027-02-08
DEN - Louisville
68% AI deal score
$306
$242
Round trip
2027-01-27 – 2027-02-08
DEN - Louisville
49% AI deal score
$261
$243
Round trip
2026-12-11 – 2026-12-14
DEN - Louisville
74% AI deal score
$368
$270
Round trip
2026-12-04 – 2026-12-14
DEN - Louisville
67% AI deal score
$321
$271
Round trip

Denver to Louisville: Overview

Insights for flights from Denver to Louisville

For travelers seeking cheap flights from Denver to Louisville, fares typically range from $428 to $1124, with a median price of $732. Right now, current fares are below the typical level, and only 1% of recent fares were classified as a good price. New deals for this route are infrequent, so setting a price alert can be beneficial.

When considering the cheapest time to fly from Denver to Louisville, February stands out with a median fare of $232. March also offers competitive pricing, with a median of $245. Another option for more affordable travel is August, where the median fare is $476.

The journey from Denver to Louisville covers a distance of 1644 kilometers, classifying it as a medium-haul route. This distance means you'll be in the air for a significant period.

Most itineraries for this route connect at least once, with only 8.7% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 1. Therefore, a typical journey, including connections, often takes longer than the direct flight time.

A typical journey from Denver to Louisville, including connections, takes approximately 13 hours and 15 minutes. If you find one of the less common direct flights from Denver to Louisville, the flight time is considerably shorter, at 2 hours and 32 minutes.

How much is a round trip from Denver to Louisville

Regular price: $280 - $444

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

The regular price range for flights from Denver to Louisville is $280-$444. The current lowest deal is $251 with Frontier Airlines for travel from Nov 19-Nov 23.

now $251

Low $280

High $444

The cheapest time to fly from Denver to Louisville

The cheapest month to fly from Denver to Louisville is February, with a median price of $232. The most expensive month is September, with a median price of $946. Prices are generally lower from February to August.

February

Cheapest

Flights from $232

September

Most Expensive

Flights from $946

Feb

Mar

Aug

Sep

Oct

Direct flights from Denver to Louisville

Frontier Airlines

Breeze Airways

Allegiant Air

Last-minute flights going from Denver to Louisville

Tue, Nov 10

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$373

$475

One-way

Thu, Nov 12

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$363

$367

One-way

Thu, Nov 12

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$331

$367

One-way

Mon, Nov 16

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Southwest Airlines

$176

$339

One-way

Thu, Nov 19

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines, Breeze Airways

$348

$251

One-way

Thu, Nov 19

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines, Breeze Airways

$286

$260

One-way

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

3 nights

Dec 11 - Dec 14

$369 → $312

15%

4 nights

Dec 7 - Dec 11

$368 → $312

15%

3 nights

Dec 4 - Dec 7

$368 → $323

12%

7 nights

Dec 7 - Dec 14

$349 → $307

12%

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 $251.

📅 Best time to fly

February is historically the cheapest month

Historically, February is the cheapest month to fly from Denver to Louisville, with a median price of $232.

⏱️ Flight duration

Direct flights take 2h 32m

Direct flights from Denver to Louisville typically take 2h 32m, while connecting flights average 13h 15m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with a median of 1 stopover.

🏆 Airline highlight

Frontier Airlines has a deal for $251

Frontier Airlines has a deal for $251 from November 19-November 23.

🎯 Booking tip

Deals are rare on this route

Deals on flights from Denver to Louisville are rare, so consider booking when you see a good price.

Denver main airports to depart from

Denver International (DEN)

Cheapest

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

📍 ~30 km from city center (reachable by car or train)

💸 Flights from ~$269

Louisville main airports to arrive at

Louisville International (SDF)

Cheapest

Louisville International Airport is a great choice for direct access to Louisville.

📍 ~9 km from city center (reachable by car)

💸 Flights from ~$222

Airports nearby Louisville used as alternative

Cincinnati/Northern Kentucky International (CVG)

Cincinnati/Northern Kentucky International offers more direct flight options, making it a useful alternative to Louisville.

📍 ~150 km from Louisville (reachable by car, but traffic can be unpredictable during peak hours)

💸 Flights from ~$161

Business & First Class Flight Deals to Louisville

Discover luxury on the budget with premium cabin class on flights from Denver to Louisville.

Elite

Best Elite deals to Louisville

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From DEN

Elite

Nov 10

Louisville, United States

45% AI deal score

$3,192

Aeroméxico, +1

Business Class

From DEN

Elite

Nov 16

Louisville, United States

45% AI deal score

$3,220

Aeroméxico, +1

Business Class

From DEN

Elite

Nov 08

Louisville, United States

45% AI deal score

$3,220

Aeroméxico, +1

Business Class

From DEN

Elite

Nov 10

Louisville, United States

45% AI deal score

$3,226

Aeroméxico, +1

Business Class

From DEN

Elite

Nov 09

Louisville, United States

45% AI deal score

$3,254

Aeroméxico, +1

Business Class

From DEN

Elite

Nov 16

Louisville, United States

45% AI deal score

$3,254

Aeroméxico, +1

Business Class

From DEN

Elite

Nov 08

Louisville, United States

45% AI deal score

$3,254

Aeroméxico, +1

Business Class

From DEN

Elite

Nov 27

Louisville, United States

45% AI deal score

$3,271

Aeroméxico, +1

Business Class

From DEN

Elite

Nov 09

Louisville, United States

45% AI deal score

$3,287

Aeroméxico, +1

Business Class

From DEN

Elite

Nov 10

Louisville, United States

45% AI deal score

$3,292

Aeroméxico, +1

Business Class

From DEN

Elite

Nov 10

Louisville, United States

45% AI deal score

$3,303

Aeroméxico, +1

Business Class

From DEN

Elite

Nov 15

Louisville, United States

45% AI deal score

$3,304

Aeroméxico, +1

Business Class

Frequently Asked Questions About Flights to Louisville

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across various airlines and booking sites can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, typically several weeks or months before your intended travel date, can often result in lower prices. However, prices can fluctuate, so monitoring fares over time may be beneficial. Mid-week bookings are sometimes associated with better deals.

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

Related routes

More routes from Denver

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Flights to Louisville from other cities

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Denver to Louisville: Overview

Insights for flights from Denver to Louisville

The journey from Denver to Louisville covers a distance of 1644 kilometers, classifying it as a medium-haul route. This distance means you'll be in the air for a significant period.

How much is a round trip from Denver to Louisville

Regular price: $280 - $444

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

The regular price range for flights from Denver to Louisville is $280-$444. The current lowest deal is $251 with Frontier Airlines for travel from Nov 19-Nov 23.

now $251

Low $280

High $444

The cheapest time to fly from Denver to Louisville

February

Cheapest

Flights from $232

September

Most Expensive

Flights from $946

Feb

Mar

Aug

Sep

Oct

Direct flights from Denver to Louisville

Frontier Airlines

Breeze Airways

Allegiant Air

Last-minute flights going from Denver to Louisville

Tue, Nov 10

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$373

$475

One-way

Thu, Nov 12

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$363

$367

One-way

Thu, Nov 12

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$331

$367

One-way

Mon, Nov 16

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Southwest Airlines

$176

$339

One-way

Thu, Nov 19

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines, Breeze Airways

$348

$251

One-way

Thu, Nov 19

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines, Breeze Airways

$286

$260

One-way

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

3 nights

Dec 11 - Dec 14

$369 → $312

15%

4 nights

Dec 7 - Dec 11

$368 → $312

15%

3 nights

Dec 4 - Dec 7

$368 → $323

12%

7 nights

Dec 7 - Dec 14

$349 → $307

12%

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 $251.

📅 Best time to fly

February is historically the cheapest month

Historically, February is the cheapest month to fly from Denver to Louisville, with a median price of $232.

⏱️ Flight duration

Direct flights take 2h 32m

Direct flights from Denver to Louisville typically take 2h 32m, while connecting flights average 13h 15m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with a median of 1 stopover.

🏆 Airline highlight

Frontier Airlines has a deal for $251

Frontier Airlines has a deal for $251 from November 19-November 23.

🎯 Booking tip

Deals are rare on this route

Deals on flights from Denver to Louisville are rare, so consider booking when you see a good price.

Denver main airports to depart from

Denver International (DEN)

Cheapest

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

📍 ~30 km from city center (reachable by car or train)

💸 Flights from ~$269

Louisville main airports to arrive at

Louisville International (SDF)

Cheapest

Louisville International Airport is a great choice for direct access to Louisville.

📍 ~9 km from city center (reachable by car)

💸 Flights from ~$222

Airports nearby Louisville used as alternative

Cincinnati/Northern Kentucky International (CVG)

Cincinnati/Northern Kentucky International offers more direct flight options, making it a useful alternative to Louisville.

📍 ~150 km from Louisville (reachable by car, but traffic can be unpredictable during peak hours)

💸 Flights from ~$161

Louisville, United States

45% AI deal score

$3,304

Aeroméxico, +1

Business Class

Frequently Asked Questions About Flights to Louisville

Cheap Flights from Denver to Louisville

Today’s best flight deals from Denver to Louisville

Denver to Louisville: Overview

Insights for flights from Denver to Louisville

How much is a round trip from Denver to Louisville

The cheapest time to fly from Denver to Louisville

Direct flights from Denver to Louisville

Last-minute flights going from Denver to Louisville

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

Popular Airports to fly from Denver to Louisville

Denver - Louisville route insights

Recent fares are below the typical level

February is historically the cheapest month

Direct flights take 2h 32m

Connecting flights are dominant

Frontier Airlines has a deal for $251

Deals are rare on this route

Denver main airports to depart from

Louisville main airports to arrive at

Airports nearby Louisville used as alternative

Business & First Class Flight Deals to Louisville

Best Elite deals to Louisville

Nov 10

Nov 16

Nov 08

Nov 10

Nov 09

Nov 16

Nov 08

Nov 27

Nov 09

Nov 10

Nov 10

Nov 15

Frequently Asked Questions About Flights to Louisville

How can I find cheap flights from Denver to Louisville?

When should I book flights from Denver to Louisville?

Should I compare nearby airports for flights from Denver to Louisville?

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

Can flexible travel dates help on Denver to Louisville flights?

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

Related routes

More routes from Denver

Flights to Louisville from other cities

Denver to Louisville: Overview

Insights for flights from Denver to Louisville

How much is a round trip from Denver to Louisville

The cheapest time to fly from Denver to Louisville

Direct flights from Denver to Louisville

Last-minute flights going from Denver to Louisville

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

Popular Airports to fly from Denver to Louisville

Denver - Louisville route insights

Recent fares are below the typical level

February is historically the cheapest month

Direct flights take 2h 32m

Connecting flights are dominant

Frontier Airlines has a deal for $251

Deals are rare on this route

Denver main airports to depart from

Louisville main airports to arrive at

Airports nearby Louisville used as alternative

Business & First Class Flight Deals to Louisville

Best Elite deals to Louisville

Nov 10

Nov 16

Nov 08

Nov 10

Nov 09

Nov 16

Nov 08

Nov 27

Nov 09

Nov 10

Nov 10

Nov 15

Frequently Asked Questions About Flights to Louisville

How can I find cheap flights from Denver to Louisville?

When should I book flights from Denver to Louisville?

Should I compare nearby airports for flights from Denver to Louisville?