Are direct flights from Louisville to Denver 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 time of year. It's often worth comparing both options to find what best suits your budget and schedule.

Can flexible travel dates help on Louisville to Denver flights?

Yes, being flexible with your travel dates can significantly impact the price of your flight. Flying on weekdays or during off-peak seasons often results in lower fares compared to weekends or holidays. Adjusting your departure or return by a day or two can sometimes reveal more economical options.

What extra costs should I check before booking Louisville to Denver 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 additional expenses can help you budget accurately for your trip.

Flights From Louisville

To Denver

Cheap Flights from Louisville to Denver

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

Deals from

Louisville

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

Prices updated 5 days ago

402 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 12, 2026.)

Today’s best flight deals from Louisville to Denver

Explore current cheapest deals departing from Louisville to Denver

Round trip

Sort by: Cheapest

September 9 - September 14

Cheapest

Best

SDF - Denver

$316

$242

Round trip

September 5 - September 12

SDF - Denver

$167

$256

Round trip

August 17 - August 19

SDF - Denver

$328

$262

Round trip

August 17 - September 16

SDF - Denver

$251

$262

Round trip

August 31 - September 16

SDF - Denver

$259

$263

Round trip

August 14 - August 19

Earliest

SDF - Denver

$322

$266

Round trip

September 9 - September 12

SDF - Denver

$179

$270

Round trip

October 3 - October 4

SDF - Denver

$292

$270

Round trip

August 17 - September 1

SDF - Denver

$257

$270

Round trip

October 3 - October 5

SDF - Denver

$293

$282

Round trip

Unlock all 500+ flight deals to Denver and get alerts when great deals appear

Louisville to Denver: Overview

Insights for flights from Louisville to Denver

Flights from Louisville to Denver typically range from $367–$555, with a median fare of $387. Right now, fares are significantly above the typical level, and only 2% of recent fares were classified as a good price. New deals appear almost daily, suggesting opportunities for savings if you monitor prices.

When considering cheap flights from Louisville to Denver, the data indicates that January is typically the most affordable month, with a median fare of $245. Following January, September also offers competitive pricing, with a median fare of $367. April presents another option for more budget-friendly travel, showing a median fare of $381.

A typical journey from Louisville to Denver takes about 2h 59m. This route is classified as a medium-haul flight, covering a distance of 1644 kilometers.

For flights from Louisville to Denver, 66% of recent fares are non-stop, meaning a meaningful share are non-stop, while the rest connect at least once. For itineraries that include connections, the typical number of stopovers is 2.

How much is a round trip from Louisville to Denver

Regular price: $256 - $481

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

The regular price range for this route is $256 to $481. The current lowest deal is $242 with American Airlines for travel from Sep 9-Sep 14.

now $242

Low $256

High $481

The cheapest time to fly from Louisville to Denver

The cheapest month to fly from SDF to DEN is January, with a median price of $279. The most expensive month is September, with a median price of $728. Prices are generally lower from January to December.

January

Cheapest

Flights from $279

September

Most Expensive

Flights from $728

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Louisville to Denver

Southwest Airlines

Last-minute flights going from Louisville to Denver

Sat, Aug 1

⌛ Last-Minute

SDF - Denver

Louisville (SDF) - Denver (DEN)

Allegiant Air

$255

$332

One-way

Tue, Aug 4

⌛ Last-Minute

SDF - Denver

Louisville (SDF) - Denver (DEN)

United Airlines

$175

$291

One-way

Wed, Aug 5

⌛ Last-Minute

SDF - Denver

Louisville (SDF) - Denver (DEN)

Breeze Airways

$315

$289

One-way

Wed, Aug 5

⌛ Last-Minute

SDF - Denver

Louisville (SDF) - Denver (DEN)

Southwest Airlines

$340

$300

One-way

Wed, Aug 5

⌛ Last-Minute

SDF - Denver

Louisville (SDF) - Denver (DEN)

Deutsche Luft Hansa

$340

$354

One-way

Thu, Aug 6

⌛ Last-Minute

SDF - Denver

Louisville (SDF) - Denver (DEN)

Allegiant Air

$323

$287

One-way

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

1 night

Aug 4 - Aug 5

$337 → $290

14%

2 nights

Aug 8 - Aug 10

$328 → $289

12%

1 night

Oct 3 - Oct 4

$298 → $270

7 nights

Dec 8 - Dec 15

$389 → $371

Popular Airports to fly from Louisville to Denver

Louisville - Denver route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Louisville to Denver are below the typical level at $242.

📅 Best time to fly

January is historically cheapest at $279

Historically, January is the cheapest month to fly from Louisville to Denver, with a median price of $279.

⏱️ Flight duration

Direct flights average 2h 59m

Direct flights from Louisville to Denver typically take 2h 59m, while connecting flights average 12h 45m.

✈️ Airlines & availability

Southwest Airlines offers direct flights

Southwest Airlines offers direct flights on this route, with 66% of recent flights being direct.

🏆 Airline highlight

American Airlines offers a deal for $242

American Airlines has offered a recent deal from Louisville to Denver for $242.

🎯 Booking tip

Deals are frequent on this route

Deals on flights from Louisville to Denver are frequent, appearing often over the last 30 days.

Louisville main airports to depart from

Louisville International (SDF)

Cheapest

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

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

💸 Flights from ~$242

Denver main airports to arrive at

Denver International (DEN)

Cheapest

Denver International Airport is a key arrival point for travelers heading to Denver from Louisville.

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

💸 Flights from ~$242

Airports nearby Denver used as alternative

Colorado Springs (COS)

Cheapest

Colorado Springs (COS) is a reliable alternative due to its size and robust flight schedule.

📍 ~110 km from Denver (reachable by car)

💸 Flights from ~$242

Eagle County Regional (EGE)

Eagle County Regional (EGE) is an excellent alternative for travelers located in the western suburbs or mountains.

📍 ~180 km from Denver (reachable by car)

💸 Flights from ~$440

Aspen–Pitkin County (ASE)

Aspen–Pitkin County (ASE) is convenient for travelers originating in the high-country region, despite weather susceptibility.

📍 ~160 km from Denver (reachable by car)

💸 Flights from ~$434

Cheyenne Regional (CYS)

Cheyenne Regional (CYS) offers small airport convenience for those in northern Denver suburbs and Fort Collins.

📍 ~150 km from Denver (reachable by car)

💸 Flights from ~$409

Yampa Valley (HDN)

Yampa Valley (HDN) is a viable alternative for Northwest Colorado residents, though distant from Denver.

📍 ~200 km from Denver (reachable by car)

💸 Flights from ~$365

Frequently Asked Questions About Flights to Denver

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices from various airlines and online travel agencies can also help you discover better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking flights in advance, often several weeks or months before your departure, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fare trends may be beneficial. Mid-week bookings are also sometimes associated with better deals.

Comparing nearby airports can sometimes uncover additional flight options or more competitive pricing. While it may add to your travel time, the potential savings could make it a worthwhile consideration. Always factor in ground transportation costs and convenience when evaluating this option.

Related routes

Consider alternative routes from Louisville

Flights from Louisville to Amsterdam Flights from Louisville to Athens Flights from Louisville to Atlanta Flights from Louisville to Bangkok Flights from Louisville to Barcelona Flights from Louisville to Berlin Flights from Louisville to Boston Flights from Louisville to Chicago Flights from Louisville to Copenhagen Flights from Louisville to Dubai Flights from Louisville to Dublin Flights from Louisville to Florence

Cheap Flights from Louisville to Denver

Today’s best flight deals from Louisville to Denver

Unlock all 500+ flight deals to Denver and get alerts when great deals appear

Louisville to Denver: Overview

Insights for flights from Louisville to Denver

How much is a round trip from Louisville to Denver

The cheapest time to fly from Louisville to Denver

Direct flights from Louisville to Denver

Last-minute flights going from Louisville to Denver

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

Popular Airports to fly from Louisville to Denver

Louisville - Denver route insights

Recent fares are below the typical level

January is historically cheapest at $279

Direct flights average 2h 59m

Southwest Airlines offers direct flights

American Airlines offers a deal for $242

Deals are frequent on this route

Louisville main airports to depart from

Denver main airports to arrive at

Airports nearby Denver used as alternative

Frequently Asked Questions About Flights to Denver

How can I find cheap flights from Louisville to Denver?

When should I book flights from Louisville to Denver?

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

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

Can flexible travel dates help on Louisville to Denver flights?

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

Related routes

Consider alternative routes from Louisville