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

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

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

3 flights are operational daily from Denver to Louisville as of October 2026. The most popular departure time for this route is 17:00, with 69% of flights per day taking off in the afternoon.

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

As of October 2026, there are 22 flights per week flying from Denver to Louisville. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

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 are updated daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Louisville Intl Airport.

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

The travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

R2 677 Cheap Flights from Denver to Louisville in 2026/27

Find the cheapest flights from Denver to Louisville

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

17:45 - 22:24DEN Denver Intl-SDF Louisville Intl

2h 39mdirect

8:00 - 9:04SDF Louisville Intl-DEN Denver Intl

3h 04mdirect

R5 337United Airlines

Wed, Nov 11 - Sat, Nov 14

16:40 - 21:00DEN Denver Intl-SDF Louisville Intl

2h 20mdirect

6:15 - 7:20SDF Louisville Intl-DEN Denver Intl

3h 05mdirect

R5 371Southwest

Sat, Jan 30 - Mon, Feb 1

13:10 - 17:30DEN Denver Intl-SDF Louisville Intl

2h 20mdirect

6:50 - 8:00SDF Louisville Intl-DEN Denver Intl

3h 10mdirect

R5 470Southwest

Fri, Nov 13 - Mon, Nov 16

17:45 - 22:24DEN Denver Intl-SDF Louisville Intl

2h 39mdirect

17:57 - 23:30SDF Louisville Intl-DEN Denver Intl

7h 33m1 stop Chicago O'Hare Intl

R5 504United Airlines

Wed, Nov 11 - Sat, Nov 14

5:50 - 12:05DEN Denver Intl-SDF Louisville Intl

4h 15m1 stop Nashville Intl

6:50 - 8:00SDF Louisville Intl-DEN Denver Intl

3h 10mdirect

R5 537Southwest

Sat, Nov 7 - Tue, Nov 10

18:20 - 22:50DEN Denver Intl-SDF Louisville Intl

2h 30mdirect

5:40 - 13:35SDF Louisville Intl-DEN Denver Intl

9h 55m2 stops Baltimore/Washington Dallas Love Field

R5 587Southwest

Tue, Nov 3 - Wed, Nov 4

9:47 - 14:22DEN Denver Intl-SDF Louisville Intl

2h 35mdirect

15:24 - 16:29SDF Louisville Intl-DEN Denver Intl

3h 05mdirect

R5 603United Airlines

Sat, Nov 7 - Tue, Nov 10

7:35 - 18:00DEN Denver Intl-SDF Louisville Intl

8h 25m2 stops Dallas Love Field Houston Hobby

6:50 - 8:00SDF Louisville Intl-DEN Denver Intl

3h 10mdirect

R5 620Southwest

Sat, Nov 7 - Tue, Nov 10

5:50 - 12:10DEN Denver Intl-SDF Louisville Intl

4h 20m1 stop Nashville Intl

6:50 - 8:00SDF Louisville Intl-DEN Denver Intl

3h 10mdirect

R5 637Southwest

Fri, Nov 13 - Mon, Nov 16

8:10 - 16:54DEN Denver Intl-SDF Louisville Intl

6h 44m1 stop Atlanta Hartsfield-Jackson

6:42 - 9:58SDF Louisville Intl-DEN Denver Intl

5h 16m1 stop Minneapolis St Paul

R5 670Delta

Wed, Nov 11 - Tue, Nov 17

Cheap last-minute flights

Enter your travel dates to find the best prices.

9:55 - 14:40DEN Denver Intl-SDF Louisville Intl

2h 45mdirect

8:00 - 8:55SDF Louisville Intl-DEN Denver Intl

2h 55mdirect

R14 898United Airlines

Wed, Oct 14 - Fri, Oct 23

9:55 - 14:40DEN Denver Intl-SDF Louisville Intl

2h 45mdirect

7:25 - 11:12SDF Louisville Intl-DEN Denver Intl

5h 47m1 stop Houston George Bush Intcntl

R15 064United Airlines

Wed, Oct 14 - Wed, Oct 21

10:10 - 23:59DEN Denver Intl-SDF Louisville Intl

11h 49m2 stops Cedar Rapids Chicago O'Hare Intl

13:50 - 19:05SDF Louisville Intl-DEN Denver Intl

7h 15m2 stops Chicago O'Hare Intl Fort Dodge

R16 710United Airlines

Thu, Oct 15 - Sun, Oct 18

10:10 - 23:59DEN Denver Intl-SDF Louisville Intl

11h 49m2 stops Cedar Rapids Chicago O'Hare Intl

7:00 - 17:02SDF Louisville Intl-DEN Denver Intl

12h 02m2 stops Chicago O'Hare Intl Rapid City

R16 910United Airlines

Thu, Oct 15 - Sun, Oct 18

8:00 - 19:11DEN Denver Intl-SDF Louisville Intl

9h 11m2 stops Fort Dodge Chicago O'Hare Intl

8:00 - 8:55SDF Louisville Intl-DEN Denver Intl

2h 55mdirect

R17 342United Airlines

Mon, Oct 12 - Sun, Oct 18

8:00 - 19:11DEN Denver Intl-SDF Louisville Intl

9h 11m2 stops Fort Dodge Chicago O'Hare Intl

5:15 - 18:25SDF Louisville Intl-DEN Denver Intl

15h 10m2 stops Chicago O'Hare Intl Rapid City

R17 359United Airlines

Mon, Oct 12 - Sun, Oct 18

12:15 - 23:59DEN Denver Intl-SDF Louisville Intl

9h 44m2 stops Kearney Chicago O'Hare Intl

13:50 - 19:52SDF Louisville Intl-DEN Denver Intl

8h 02m2 stops Chicago O'Hare Intl Sioux City Sioux Gateway

R17 658United Airlines

Sat, Oct 10 - Sat, Oct 17

17:48 - 22:32DEN Denver Intl-SDF Louisville Intl

2h 44mdirect

15:36 - 16:35SDF Louisville Intl-DEN Denver Intl

2h 59mdirect

R17 675United Airlines

Thu, Oct 15 - Sun, Oct 18

7:40 - 17:40DEN Denver Intl-SDF Louisville Intl

8h 00m1 stop Newark

8:00 - 8:55SDF Louisville Intl-DEN Denver Intl

2h 55mdirect

R17 841United Airlines

Thu, Oct 15 - Sun, Oct 18

13:45 - 18:15DEN Denver Intl-SDF Louisville Intl

2h 30mdirect

6:25 - 14:00SDF Louisville Intl-DEN Denver Intl

9h 35m2 stops Las Vegas Harry Reid Intl Palm Springs

R17 924Southwest

Mon, Oct 12 - Wed, Oct 14

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Southwest flights from Denver to Louisville

Our best Southwest deals on Denver to Louisville flight tickets

Southwest

Jan 30

DEN16:40Denver Intl

2h 20m

SDF21:00Louisville Intl

Feb 1

SDF6:15Louisville Intl

3h 05m

DEN7:20Denver Intl

R5 371

Southwest

Nov 13

DEN13:10Denver Intl

2h 20m

SDF17:30Louisville Intl

Nov 16

SDF6:50Louisville Intl

3h 10m

DEN8:00Denver Intl

R5 470

Southwest

Nov 7

DEN5:50Denver Intl

4h 15m

1 stop

SDF12:05Louisville Intl

Nov 10

SDF6:50Louisville Intl

3h 10m

DEN8:00Denver Intl

R5 537

Delta flights from Denver to Louisville

Our best Delta deals on Denver to Louisville flight tickets

Delta

Nov 11

DEN8:10Denver Intl

6h 44m

1 stop

SDF16:54Louisville Intl

Nov 17

SDF6:42Louisville Intl

5h 16m

1 stop

DEN9:58Denver Intl

R5 670

Delta

Nov 13

DEN16:14Denver Intl

4h 32m

1 stop

SDF22:46Louisville Intl

Nov 19

SDF12:40Louisville Intl

5h 22m

1 stop

DEN16:02Denver Intl

R6 485

Delta

Jan 14

DEN6:10Denver Intl

7h 07m

1 stop

SDF15:17Louisville Intl

Jan 18

SDF17:45Louisville Intl

6h 07m

1 stop

DEN21:52Denver Intl

R7 299

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Wed 11/11

17:45-22:24

Nonstop2h 39m

Louisville Intl

Sat 14/11

8:00-9:04

Nonstop3h 04m

R5 337

Fastest return journey

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Sat 30/1

16:40-21:00

Nonstop2h 20m

Louisville Intl

Mon 1/2

6:15-7:20

Nonstop3h 05m

R5 371

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Fri 13/11

13:10-17:30

Nonstop2h 20m

Louisville Intl

Mon 16/11

6:50-8:00

Nonstop3h 10m

R5 470

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Wed 11/11

17:45-22:24

Nonstop2h 39m

Louisville Intl

Sat 14/11

17:57-23:30

1 stop7h 33m

R5 504

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Sat 7/11

5:50-12:05

1 stop4h 15m

Louisville Intl

Tue 10/11

6:50-8:00

Nonstop3h 10m

R5 537

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Tue 3/11

18:20-22:50

Nonstop2h 30m

Louisville Intl

Wed 4/11

5:40-13:35

2 stops9h 55m

R5 587

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Sat 7/11

9:47-14:22

Nonstop2h 35m

Louisville Intl

Tue 10/11

15:24-16:29

Nonstop3h 05m

R5 603

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Sat 7/11

7:35-18:00

2 stops8h 25m

Louisville Intl

Tue 10/11

6:50-8:00

Nonstop3h 10m

R5 620

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Fri 13/11

5:50-12:10

1 stop4h 20m

Louisville Intl

Mon 16/11

6:50-8:00

Nonstop3h 10m

R5 637

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Wed 11/11

8:10-16:54

1 stop6h 44m

Louisville Intl

Tue 17/11

6:42-9:58

1 stop5h 16m

R5 670

Flights are sorted by cheapest return 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 R6 983 to R9 045.
The lowest price recently found on this route was R5 337.

What is the cheapest month to fly to Louisville?

The month of April is, on average, the cheapest month to fly to Louisville from Denver, with most prices found around R7 000. If you’re not able to fly to Louisville in April, then August is your next best option. Flight prices from Denver to Louisville during August average around R7 183.

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 R8 154 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Denver for as low as R6 834 on momondo.

How have Denver to Louisville flight prices changed over time?

As of October 2026, prices for Denver to Louisville flights are approximately 163% more expensive 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 return 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	R2 677
Direct flights	Every day
Airports in Louisville	1 airport

The best one-way flight to Louisville from Denver in the past 72 hours is R2 677. The best return flight deal from Denver to Louisville found on momondo in the last 72 hours is R5 337.

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 1665,8 km.
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 are updated daily.
How old do you have to be to fly from Denver Intl Airport to Louisville Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
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 27,30% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 20,21%, Airbus A319 at 12,06%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 10,28%.

Elizabethtown

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?

All flight searches from Denver to Louisville on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Louisville from Denver.

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.