How many flights depart from Denver to Louisville on average per week?

19 flights are operational weekly from Denver to Louisville as of September 2026. The most popular departure day for this route is Mon, with 21% of flights per week taking off on this day.

What airlines fly to Louisville?

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to Louisville from Denver according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 7 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Denver Intl to Louisville Intl?

Delta, United Airlines, and Southwest are the most popular carriers operating from Denver Intl to Louisville Intl

How many flights depart from Denver to Louisville on average per day?

2 flights are operational daily from Denver to Louisville as of September 2026. The most popular departure time for this route is 9:00AM, with 57% of flights per day taking off in the afternoon.

When did momondo last update prices for flights from Denver Intl Airport to Louisville Intl Airport?

Prices for flights from Denver Intl Airport to Louisville Intl Airport were last updated today.

How many operators does momondo search for flights from Denver Intl Airport to Louisville Intl Airport?

As of September 2026, there are 4 operators available to choose from for flights from Denver Intl Airport to Louisville Intl Airport.

How old do you have to be to fly from Denver Intl Airport to Louisville Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Louisville Intl Airport.

What documentation or ID do you need to fly to Louisville Intl Airport?

The required travel and health documents for your Louisville Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Louisville Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$153 Cheap Flights from Denver to Louisville in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Louisville

Round-trip

One-way

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Cheap round-trip flights

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10:40 am - 10:59 amDEN Denver Intl-SDF Louisville Intl

22h 19m2 stops Dallas/Fort Worth New Orleans Louis Armstrong

9:14 pm - 10:25 amSDF Louisville Intl-DEN Denver Intl

15h 11m1 stop Valparaiso Destin-Ft Walton Beach

$337Multiple Airlines

Thu, Oct 1 - Sat, Oct 3

5:48 pm - 10:32 pmDEN Denver Intl-SDF Louisville Intl

2h 44mnonstop

8:00 am - 8:55 amSDF Louisville Intl-DEN Denver Intl

2h 55mnonstop

$357United Airlines

Wed, Oct 14 - Wed, Oct 21

9:47 am - 2:22 pmDEN Denver Intl-SDF Louisville Intl

2h 35mnonstop

8:00 am - 9:04 amSDF Louisville Intl-DEN Denver Intl

3h 04mnonstop

$357United Airlines

Sat, Oct 31 - Sat, Nov 7

9:55 am - 2:40 pmDEN Denver Intl-SDF Louisville Intl

2h 45mnonstop

3:36 pm - 4:35 pmSDF Louisville Intl-DEN Denver Intl

2h 59mnonstop

$357United Airlines

Sat, Oct 17 - Sat, Oct 24

5:50 am - 8:29 pmDEN Denver Intl-SDF Louisville Intl

12h 39m1 stop Tampa

9:09 pm - 2:38 pmSDF Louisville Intl-DEN Denver Intl

19h 29m1 stop Tampa

$359Multiple Airlines

Thu, Dec 10 - Sun, Dec 13

6:15 am - 10:59 amDEN Denver Intl-SDF Louisville Intl

26h 44m1 stop New Orleans Louis Armstrong

9:14 pm - 10:25 amSDF Louisville Intl-DEN Denver Intl

15h 11m1 stop Valparaiso Destin-Ft Walton Beach

$359Multiple Airlines

Thu, Oct 1 - Sat, Oct 3

12:30 pm - 5:00 pmDEN Denver Intl-SDF Louisville Intl

2h 30mnonstop

9:10 am - 4:20 pmSDF Louisville Intl-DEN Denver Intl

9h 10m2 stops Chicago Midway Lambert-St Louis

$372Southwest

Sat, Oct 31 - Sat, Nov 7

7:28 am - 3:27 pmDEN Denver Intl-SDF Louisville Intl

5h 59m1 stop Dallas/Fort Worth

1:21 pm - 5:46 pmSDF Louisville Intl-DEN Denver Intl

6h 25m1 stop Dallas/Fort Worth

$377American Airlines

Wed, Oct 14 - Wed, Oct 21

6:46 am - 4:23 pmDEN Denver Intl-SDF Louisville Intl

7h 37m1 stop Chicago O'Hare Intl

10:54 am - 4:04 pmSDF Louisville Intl-DEN Denver Intl

7h 10m1 stop Dallas/Fort Worth

$377American Airlines

Sat, Oct 17 - Sat, Oct 24

5:45 am - 2:05 pmDEN Denver Intl-SDF Louisville Intl

6h 20m1 stop Las Vegas Harry Reid Intl

7:05 am - 11:40 amSDF Louisville Intl-DEN Denver Intl

6h 35m2 stops Nashville Intl Minneapolis St Paul

$382Southwest

Sat, Oct 17 - Sat, Oct 24

Cheap last minute flights

Enter your travel dates to find the best prices.

6:40 am - 10:11 amDEN Denver Intl-SDF Louisville Intl

25h 31m2 stops Orlando Raleigh-Durham

8:47 am - 9:46 amSDF Louisville Intl-DEN Denver Intl

26h 59m1 stop San Francisco

$664Multiple Airlines

Tue, Sep 15 - Fri, Sep 25

6:40 am - 10:11 amDEN Denver Intl-SDF Louisville Intl

25h 31m2 stops Orlando Raleigh-Durham

9:09 pm - 8:08 amSDF Louisville Intl-DEN Denver Intl

12h 59m1 stop Tampa

$675Multiple Airlines

Tue, Sep 15 - Thu, Sep 24

4:11 pm - 7:19 pmDEN Denver Intl-SDF Louisville Intl

25h 08m2 stops Dallas/Fort Worth San Francisco

9:09 pm - 10:08 pmSDF Louisville Intl-DEN Denver Intl

26h 59m1 stop Tampa

$683Multiple Airlines

Thu, Sep 10 - Sun, Sep 20

8:15 am - 5:38 pmDEN Denver Intl-SDF Louisville Intl

7h 23m1 stop Chicago O'Hare Intl

3:25 pm - 4:25 pmSDF Louisville Intl-DEN Denver Intl

3h 00mnonstop

$803United Airlines

Tue, Sep 15 - Tue, Sep 22

6:26 am - 6:50 pmDEN Denver Intl-SDF Louisville Intl

10h 24m1 stop Dallas/Fort Worth

11:46 am - 3:59 pmSDF Louisville Intl-DEN Denver Intl

6h 13m1 stop Dallas/Fort Worth

$804American Airlines

Tue, Sep 15 - Tue, Sep 22

5:45 pm - 10:29 pmDEN Denver Intl-SDF Louisville Intl

2h 44mnonstop

3:25 pm - 4:25 pmSDF Louisville Intl-DEN Denver Intl

3h 00mnonstop

$866United Airlines

Tue, Sep 15 - Wed, Sep 23

5:45 pm - 10:35 pmDEN Denver Intl-SDF Louisville Intl

2h 50mnonstop

12:10 pm - 12:55 pmSDF Louisville Intl-DEN Denver Intl

2h 45mnonstop

$866Southwest

Tue, Sep 15 - Tue, Sep 22

5:45 pm - 10:29 pmDEN Denver Intl-SDF Louisville Intl

2h 44mnonstop

8:00 am - 8:55 amSDF Louisville Intl-DEN Denver Intl

2h 55mnonstop

$866United Airlines

Tue, Sep 15 - Thu, Sep 24

6:00 am - 3:15 pmDEN Denver Intl-SDF Louisville Intl

7h 15m2 stops Dallas Love Field Chicago Midway

8:45 am - 1:35 pmSDF Louisville Intl-DEN Denver Intl

6h 50m2 stops Chicago Midway Lambert-St Louis

$896Southwest

Tue, Sep 15 - Tue, Sep 22

12:23 pm - 10:42 pmDEN Denver Intl-SDF Louisville Intl

8h 19m1 stop Miami

4:19 pm - 10:34 pmSDF Louisville Intl-DEN Denver Intl

8h 15m1 stop Dallas/Fort Worth

$907American Airlines

Tue, Sep 15 - Mon, Sep 21

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Southwest flights from Denver to Louisville

Our best Southwest deals on Denver to Louisville flight tickets

Southwest

Oct 31

DEN12:30 pmDenver Intl

2h 30m

SDF5:00 pmLouisville Intl

Nov 7

SDF9:10 amLouisville Intl

9h 10m

2 stops

DEN4:20 pmDenver Intl

$372

Southwest

Oct 17

DEN5:45 amDenver Intl

6h 20m

1 stop

SDF2:05 pmLouisville Intl

Oct 24

SDF7:05 amLouisville Intl

6h 35m

2 stops

DEN11:40 amDenver Intl

$382

Southwest

Oct 31

DEN5:40 amDenver Intl

8h 55m

2 stops

SDF4:35 pmLouisville Intl

Nov 7

SDF7:10 amLouisville Intl

6h 15m

2 stops

DEN11:25 amDenver Intl

$387

American Airlines flights from Denver to Louisville

Our best American Airlines deals on Denver to Louisville flight tickets

American Airlines

Oct 14

DEN7:28 amDenver Intl

5h 59m

1 stop

SDF3:27 pmLouisville Intl

Oct 21

SDF1:21 pmLouisville Intl

6h 25m

1 stop

DEN5:46 pmDenver Intl

$377

American Airlines

Oct 16

DEN4:07 pmDenver Intl

6h 01m

1 stop

SDF12:08 amLouisville Intl

Oct 23

SDF8:34 amLouisville Intl

8h 43m

1 stop

DEN3:17 pmDenver Intl

$403

American Airlines

Sep 22

DEN1:17 pmDenver Intl

6h 14m

1 stop

SDF9:31 pmLouisville Intl

Sep 23

SDF9:47 amLouisville Intl

6h 53m

1 stop

DEN2:40 pmDenver Intl

$619

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Thu 10/1

10:40 am-10:59 am

2 stops22h 19m

Louisville Intl

Sat 10/3

9:14 pm-10:25 am

1 stop15h 11m

$337

Quickest round-trip

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Wed 10/14

5:48 pm-10:32 pm

Nonstop2h 44m

Louisville Intl

Wed 10/21

8:00 am-8:55 am

Nonstop2h 55m

$357

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Sat 10/31

9:47 am-2:22 pm

Nonstop2h 35m

Louisville Intl

Sat 11/7

8:00 am-9:04 am

Nonstop3h 04m

$357

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Sat 10/17

9:55 am-2:40 pm

Nonstop2h 45m

Louisville Intl

Sat 10/24

3:36 pm-4:35 pm

Nonstop2h 59m

$357

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Thu 12/10

5:50 am-8:29 pm

1 stop12h 39m

Louisville Intl

Sun 12/13

9:09 pm-2:38 pm

1 stop19h 29m

$359

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Thu 10/1

6:15 am-10:59 am

1 stop26h 44m

Louisville Intl

Sat 10/3

9:14 pm-10:25 am

1 stop15h 11m

$359

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Sat 10/31

12:30 pm-5:00 pm

Nonstop2h 30m

Louisville Intl

Sat 11/7

9:10 am-4:20 pm

2 stops9h 10m

$372

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Wed 10/14

7:28 am-3:27 pm

1 stop5h 59m

Louisville Intl

Wed 10/21

1:21 pm-5:46 pm

1 stop6h 25m

$377

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Sat 10/17

6:46 am-4:23 pm

1 stop7h 37m

Louisville Intl

Sat 10/24

10:54 am-4:04 pm

1 stop7h 10m

$377

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Sat 10/17

5:45 am-2:05 pm

1 stop6h 20m

Louisville Intl

Sat 10/24

7:05 am-11:40 am

2 stops6h 35m

$382

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Denver to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Denver and Louisville?

Prices are currently low for flights on this route.

Typical prices usually range from $381 to $539.
The lowest price recently found on this route was $337.

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of April, then departing from Denver during the month August is also very affordable. Most momondo users find prices during this month for around $432.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from Denver is on a Saturday. momondo users have found tickets for Saturday departures for as low as $409. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Denver to Louisville on a Monday will generally be more expensive and average around $529. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest Denver to Louisville flights are usually those with departure times in the evening. Our users have found flights to Louisville in the evening for as low as $391. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $504 per ticket.

What is the cheapest Denver Intl to Louisville Intl flight route?

Fly from Denver Intl to Louisville Intl for the best Denver Intl - Louisville Intl flight prices

How far in advance should I book a flight from Denver to Louisville?

You are more likely to see cheaper flights to Louisville from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $488 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Denver for as low as $408 on momondo.

What cabin class options are available on Denver to Louisville flights?

There are 3 cabin classes available to choose from on Denver to Louisville flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Denver to Louisville flights?

No. A direct flight is the cheapest option for a flight between Denver to Louisville.

How have Denver to Louisville flight prices changed over time?

As of September 2026, prices for Denver to Louisville flights are approximately 1% cheaper when compared to flights at the same time last year.

When to book flights from Denver to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Louisville according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Denver to Louisville (DEN to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Louisville

Best Price Found	$153
Fastest flight time	2h 20m
Direct flights	Every day
Airports in Louisville	1 airport

The best one-way flight to Louisville from Denver in the past 72 hours is $153. The best round-trip flight deal from Denver to Louisville found on momondo in the last 72 hours is $337.

The fastest flight from Denver to Louisville takes 2h 20m

Direct flights go from Denver to Louisville every day.

There is 1 airport in Louisville. From Denver there are direct flights to Louisville Intl (SDF).

Search flight deals

Frequently asked questions about flying from Denver to Louisville

How far is Denver Intl to Louisville Intl by plane?
A flight from Denver Intl to Louisville Intl will travel around 1035.1 mi. Flights usually cover this in 2h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Denver Intl Airport to Louisville Intl Airport?
Prices for flights from Denver Intl Airport to Louisville Intl Airport were last updated today.
How many operators does momondo search for flights from Denver Intl Airport to Louisville Intl Airport?
As of September 2026, there are 4 operators available to choose from for flights from Denver Intl Airport to Louisville Intl Airport.
How old do you have to be to fly from Denver Intl Airport to Louisville Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The required travel and health documents for your Louisville Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Louisville Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Denver to Louisville?
momondo data reveals that the most frequently booked plane model on the route from Denver to Louisville is Airbus A320-100/200, representing 26.25% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 19.93%, Airbus A319 at 16.28%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 12.29%.
What is the most popular airline from Denver to Louisville?
momondo data reveals that the most frequently booked airline on the route from Denver to Louisville is United Airlines, representing 74% of all bookings. The subsequent popular airlines are Southwest at 20%, American Airlines at 4%, and JetBlue at 3%.

Best airlines flying from Denver to Louisville

Compare and see reviews for airlines that fly from Denver to Louisville with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $232	Free Cancellation	Rating 7.1 3,040 reviews	Search JetBlue flights
American Airlines	PriceFrom $272	Free Cancellation	Rating 7.1 12,046 reviews	Search American Airlines flights
United Airlines	PriceFrom $291	Free Cancellation	Rating 7.4 10,192 reviews	Search United Airlines flights
Southwest	PriceFrom $308	Free Cancellation	Rating 8.0 4,195 reviews	Search Southwest flights

Southwest Flights From Denver to Louisville
Southwest operates around 5 flights from Denver to Louisville every week. The average price of these flights found in the last 72 hours has been $447, but momondo users have found Southwest deals from Denver to Louisville from as low as $308 round-trip. Southwest has been scored 8.0/10 in 4,195 reviews.
United Airlines Flights From Denver to Louisville
The best United Airlines deal for Denver to Louisville flight tickets found on momondo in the last 72 hours was $291, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $500 round-trip. United Airlines operates 8 flights out of Denver into Louisville in an average week, so prices vary by time and availability. 10,190 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

French Lick

Elizabethtown

Jeffersonville

West Baden Springs

New Albany

Bardstown

Shepherdsville

Elizabeth

Charlestown

Brandenburg

Corydon

Georgetown

Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Louisville?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Louisville for you.

Can I find flights from Denver to Louisville with flexible booking policies on momondo?

Flights from Denver to Louisville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Denver to Louisville?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to Louisville.

I’m not ready to book a flight from Denver to Louisville right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Louisville from Denver. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Airports servicing Kentucky

Lexington Blue Grass Airport

Owensboro Daviess County Airport

Paducah Barkley Regional Airport

Cheap flights from Denver to Louisville from $153

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Louisville departing on 11/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from Denver to Louisville

Our best Southwest deals on Denver to Louisville flight tickets

American Airlines flights from Denver to Louisville

Our best American Airlines deals on Denver to Louisville flight tickets

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See travel insights to Louisville from

How to get the cheapest flight ticket from Denver to Louisville

What is the typical price of a round-trip flight between Denver and Louisville?

What is the cheapest month to fly to Louisville?

What is the cheapest day to depart on your flight to Louisville?

What is the cheapest time of day to depart on your flight to Louisville?

What is the cheapest Denver Intl to Louisville Intl flight route?

How far in advance should I book a flight from Denver to Louisville?

What cabin class options are available on Denver to Louisville flights?

Can stopping save me money on Denver to Louisville flights?

How have Denver to Louisville flight prices changed over time?

What is the cheapest airline that flies from Denver Intl to Louisville Intl?

What airlines fly to Louisville?

How many flights depart from Denver to Louisville on average per day?

How many flights depart from Denver to Louisville on average per week?

When to book flights from Denver to Louisville

Cheap Denver to Louisville (DEN to SDF) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Louisville

Frequently asked questions about flying from Denver to Louisville

Best airlines flying from Denver to Louisville

Compare and see reviews for airlines that fly from Denver to Louisville with momondo

Traveling to a place near Louisville?

Why use momondo?

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Kentucky

Fly your favorite airline to Louisville

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Louisville

List of cabin classes available on flights landing in Louisville. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Denver

According to popular flight searches on momondo this year

Complete your trip to Louisville

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