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 economical. It's advisable to compare both options to find what best suits your budget and schedule.

Can flexible travel dates help on Denver to Louisville flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons usually results in lower fares compared to weekends or holidays. Even shifting your travel by a day or two may lead to 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. Being aware of these can help you calculate the true cost 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 today

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Denver to Louisville

Explore current cheapest deals departing from Denver to Louisville

2026-11-03 – 2026-11-12
DEN - Louisville
50% AI deal score
$309
$288
Round trip
2026-11-11 – 2026-12-06
DEN - Louisville
47% AI deal score
$286
$288
Round trip
2026-11-03 – 2026-11-05
DEN - Louisville
67% AI deal score
$344
$290
Round trip
2026-10-05 – 2026-10-13
DEN - Louisville
49% AI deal score
$323
$292
Round trip
2026-11-17 – 2026-12-06
DEN - Louisville
47% AI deal score
$290
$295
Round trip
2026-09-27 – 2026-10-10
DEN - Louisville
49% AI deal score
$320
$296
Round trip
2026-11-10 – 2026-11-12
DEN - Louisville
67% AI deal score
$345
$297
Round trip
2026-11-10 – 2026-12-06
DEN - Louisville
46% AI deal score
$286
$297
Round trip
2026-09-27 – 2026-10-21
DEN - Louisville
47% AI deal score
$305
$301
Round trip
2026-10-06 – 2026-10-10
DEN - Louisville
65% AI deal score
$359
$309
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, fares are below the typical level, and 1% of recent fares were classified as a good price. New deals show up several times a week, offering opportunities to find cheap flights from Denver to Louisville.

When is the cheapest time to fly from Denver to Louisville? The most affordable months to fly are November, September, and July, all with a median fare of $149. These months present the best value for travelers planning this route.

A typical journey from Denver to Louisville takes about 2h 44m, including connections. Most itineraries on this route connect at least once, so this duration reflects the overall travel time you can expect.

The route from Denver to Louisville covers a distance of 1644 kilometers, classifying it as a medium-haul flight. This distance typically involves a few hours in the air, often with a connection or two.

How much is a round trip from Denver to Louisville

Regular price: $263 - $428

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

Regularly, flights from Denver to Louisville range from $263 to $428. The current lowest deal is $283 with Allegiant Air, for travel from Sep 27 to Oct 10.

now $283

Low $263

High $428

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

United Airlines

Last-minute flights going from Denver to Louisville

Thu, Sep 17

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$582

$716

One-way

Thu, Sep 17

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$579

$722

One-way

Wed, Sep 23

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$380

$499

One-way

Sun, Sep 27

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Allegiant Air

$320

$296

One-way

Sun, Sep 27

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Allegiant Air

$305

$301

One-way

Sun, Sep 27

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Allegiant Air

$407

$400

One-way

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

4 nights

Oct 6 - Oct 10

$359 → $310

14%

13 nights

Sep 27 - Oct 10

$320 → $291

8 nights

Oct 5 - Oct 13

$323 → $294

2 nights

Nov 3 - Nov 5

$344 → $318

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 for the route.

📅 Best time to fly

Cheapest flights in July, September, November

Historically, the lowest median prices for this route are found in July, September, and November.

⏱️ Flight duration

Direct flights average 2h 44m

The median flight time for a direct flight between Denver and Louisville is 2 hours 44 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Direct flights make up 9.5% of recent bookings, with connecting flights typically having 2 stopovers.

🏆 Airline highlight

United Airlines offers direct flights

United Airlines is one of the carriers providing direct flight options on the Denver to Louisville route.

🎯 Booking tip

Deals appear regularly

Deals for flights on this route appear regularly, with a current deal at $283.

Denver main airports to depart from

Denver International (DEN)

Cheapest

Denver International Airport is a convenient departure point for flights to Louisville.

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

💸 Flights from ~$248

Louisville main airports to arrive at

Louisville International (SDF)

Cheapest

Louisville International Airport is ideal for direct access to Louisville and surrounding areas.

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

💸 Flights from ~$246

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.

📍 ~145 km from Louisville (reachable by car)

💸 Flights from ~$120

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

Oct 11

Louisville, United States

39% AI deal score

$5,397

Air Canada, +1

Business Class

From DEN

Elite

Dec 23

Louisville, United States

39% AI deal score

$5,734

Air Canada, +1

Business Class

From DEN

Elite

Dec 23

Louisville, United States

39% AI deal score

$5,734

Air Canada, +1

Business Class

From DEN

Elite

Nov 27

Louisville, United States

39% AI deal score

$5,781

Air Canada, +1

Business Class

From DEN

Elite

Dec 20

Louisville, United States

39% AI deal score

$5,789

Air Canada, +1

Business Class

From DEN

Elite

Dec 18

Louisville, United States

39% AI deal score

$5,811

Air Canada, +1

Business Class

From DEN

Elite

Dec 18

Louisville, United States

39% AI deal score

$5,811

Air Canada, +1

Business Class

From DEN

Elite

Oct 11

Louisville, United States

39% AI deal score

$5,816

Air Canada, +1

Business Class

From DEN

Elite

Oct 11

Louisville, United States

39% AI deal score

$5,816

Air Canada, +1

Business Class

From DEN

Elite

Oct 11

Louisville, United States

39% AI deal score

$5,816

Air Canada, +1

Business Class

From DEN

Elite

Oct 11

Louisville, United States

39% AI deal score

$5,816

Air Canada, +1

Business Class

From DEN

Elite

Oct 11

Louisville, United States

39% AI deal score

$5,816

Air Canada, +1

Business Class

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 drops in fares.

Booking in advance, often several weeks or months before your desired departure, can sometimes lead to lower prices. However, prices can fluctuate, so monitoring fares is usually a good strategy. Mid-week bookings may also offer different pricing.

Comparing nearby airports can sometimes uncover more affordable flight options. While it may add to your ground travel time, the potential savings on airfare can be significant. Always factor in the cost and convenience of transportation to and from alternative airports.

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

How much is a round trip from Denver to Louisville

Regular price: $263 - $428

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

Regularly, flights from Denver to Louisville range from $263 to $428. The current lowest deal is $283 with Allegiant Air, for travel from Sep 27 to Oct 10.

now $283

Low $263

High $428

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

Direct flights from Denver to Louisville

United Airlines

Last-minute flights going from Denver to Louisville

Thu, Sep 17

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$582

$716

One-way

Thu, Sep 17

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$579

$722

One-way

Wed, Sep 23

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Frontier Airlines

$380

$499

One-way

Sun, Sep 27

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Allegiant Air

$320

$296

One-way

Sun, Sep 27

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Allegiant Air

$305

$301

One-way

Sun, Sep 27

⌛ Last-Minute

DEN - Louisville

Denver (DEN) - Louisville (SDF)

Allegiant Air

$407

$400

One-way

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

4 nights

Oct 6 - Oct 10

$359 → $310

14%

13 nights

Sep 27 - Oct 10

$320 → $291

8 nights

Oct 5 - Oct 13

$323 → $294

2 nights

Nov 3 - Nov 5

$344 → $318

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 for the route.

📅 Best time to fly

Cheapest flights in July, September, November

Historically, the lowest median prices for this route are found in July, September, and November.

⏱️ Flight duration

Direct flights average 2h 44m

The median flight time for a direct flight between Denver and Louisville is 2 hours 44 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Direct flights make up 9.5% of recent bookings, with connecting flights typically having 2 stopovers.

🏆 Airline highlight

United Airlines offers direct flights

United Airlines is one of the carriers providing direct flight options on the Denver to Louisville route.

🎯 Booking tip

Deals appear regularly

Deals for flights on this route appear regularly, with a current deal at $283.

Denver main airports to depart from

Denver International (DEN)

Cheapest

Denver International Airport is a convenient departure point for flights to Louisville.

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

💸 Flights from ~$248

Louisville main airports to arrive at

Louisville International (SDF)

Cheapest

Louisville International Airport is ideal for direct access to Louisville and surrounding areas.

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

💸 Flights from ~$246

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.

📍 ~145 km from Louisville (reachable by car)

💸 Flights from ~$120

Louisville, United States

39% AI deal score

$5,816

Air Canada, +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

Cheapest flights in July, September, November

Direct flights average 2h 44m

Connecting flights are dominant

United Airlines offers direct flights

Deals appear regularly

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

Oct 11

Dec 23

Dec 23

Nov 27

Dec 20

Dec 18

Dec 18

Oct 11

Oct 11

Oct 11

Oct 11

Oct 11

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

Cheapest flights in July, September, November

Direct flights average 2h 44m

Connecting flights are dominant

United Airlines offers direct flights

Deals appear regularly

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

Oct 11

Dec 23

Dec 23

Nov 27

Dec 20

Dec 18

Dec 18

Oct 11

Oct 11

Oct 11

Oct 11

Oct 11

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?