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Cheap flights from Denver to Louisville from $125

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 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:43 am - 10:32 am
DEN
-
SDF
21h 49m
2 stops
Multiple Airlines Logo
2:56 pm - 9:49 pm
SDF
-
DEN
8h 53m
1 stop
$300Multiple Airlines
Wed, Aug 19 - Wed, Aug 26
Multiple Airlines Logo
11:59 pm - 8:29 pm
DEN
-
SDF
18h 30m
2 stops
Multiple Airlines Logo
9:11 pm - 2:52 pm
SDF
-
DEN
19h 41m
1 stop
$324Multiple Airlines
Sat, Sep 26 - Wed, Sep 30
Multiple Airlines Logo
11:59 pm - 10:32 am
DEN
-
SDF
8h 33m
1 stop
Multiple Airlines Logo
10:56 am - 10:33 pm
SDF
-
DEN
13h 37m
2 stops
$333Multiple Airlines
Wed, Sep 2 - Sat, Sep 12
United Airlines Logo
5:48 pm - 10:32 pm
DEN
-
SDF
2h 44mnonstop
United Airlines Logo
3:24 pm - 4:29 pm
SDF
-
DEN
3h 05mnonstop
$337United Airlines
Thu, Oct 15 - Tue, Oct 27
Multiple Airlines Logo
7:00 am - 10:59 am
DEN
-
SDF
25h 59m
2 stops
Multiple Airlines Logo
10:55 am - 2:22 pm
SDF
-
DEN
29h 27m
1 stop
$339Multiple Airlines
Thu, Oct 15 - Wed, Oct 21
United Airlines Logo
5:48 pm - 10:32 pm
DEN
-
SDF
2h 44mnonstop
United Airlines Logo
3:45 pm - 7:59 pm
SDF
-
DEN
6h 14m
1 stop
$347United Airlines
Thu, Oct 15 - Tue, Oct 27
Southwest Logo
11:20 am - 3:55 pm
DEN
-
SDF
2h 35mnonstop
Southwest Logo
10:40 am - 11:25 am
SDF
-
DEN
2h 45mnonstop
$350Southwest
Sat, Aug 15 - Mon, Aug 17
Multiple Airlines Logo
7:10 pm - 8:29 pm
DEN
-
SDF
23h 19m
2 stops
Multiple Airlines Logo
10:56 am - 8:15 pm
SDF
-
DEN
11h 19m
1 stop
$351Multiple Airlines
Wed, Sep 23 - Sat, Sep 26
Southwest Logo
11:20 am - 3:55 pm
DEN
-
SDF
2h 35mnonstop
Southwest Logo
6:45 am - 1:45 pm
SDF
-
DEN
9h 00m
2 stops
$352Southwest
Sat, Aug 15 - Mon, Aug 17
Multiple Airlines Logo
11:59 pm - 10:32 am
DEN
-
SDF
8h 33m
1 stop
Multiple Airlines Logo
2:56 pm - 9:49 pm
SDF
-
DEN
8h 53m
1 stop
$354Multiple Airlines
Wed, Aug 19 - Wed, Aug 26

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Southwest flights from Denver to Louisville

Our best Southwest deals on Denver to Louisville flight tickets
Southwest
Aug 15
DEN11:20 amDenver Intl
2h 35m
SDF3:55 pmLouisville Intl
Aug 17
SDF10:40 amLouisville Intl
2h 45m
DEN11:25 amDenver Intl
$350
Southwest
Aug 15
DEN11:20 amDenver Intl
2h 35m
SDF3:55 pmLouisville Intl
Aug 17
SDF6:45 amLouisville Intl
9h 00m
2 stops
DEN1:45 pmDenver Intl
$352
Southwest
Oct 15
DEN9:50 amDenver Intl
8h 20m
1 stop
SDF8:10 pmLouisville Intl
Oct 21
SDF3:00 pmLouisville Intl
6h 20m
1 stop
DEN7:20 pmDenver Intl
$357

United Airlines flights from Denver to Louisville

Our best United Airlines deals on Denver to Louisville flight tickets
United Airlines
Oct 15
DEN5:48 pmDenver Intl
2h 44m
SDF10:32 pmLouisville Intl
Oct 27
SDF3:24 pmLouisville Intl
3h 05m
DEN4:29 pmDenver Intl
$337
United Airlines
Oct 15
DEN5:48 pmDenver Intl
2h 44m
SDF10:32 pmLouisville Intl
Oct 27
SDF3:45 pmLouisville Intl
6h 14m
1 stop
DEN7:59 pmDenver Intl
$347
United Airlines
Aug 13
DEN5:45 pmDenver Intl
2h 46m
SDF10:31 pmLouisville Intl
Aug 17
SDF3:25 pmLouisville Intl
3h 01m
DEN4:26 pmDenver Intl
$373

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 26, 2026.
Use the filters below to find and compare flights from Denver to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Wed 8/19

10:43 am-10:32 am

2 stops21h 49m

Louisville Intl

Wed 8/26

2:56 pm-9:49 pm

1 stop8h 53m

$300

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Sat 9/26

11:59 pm-8:29 pm

2 stops18h 30m

Louisville Intl

Wed 9/30

9:11 pm-2:52 pm

1 stop19h 41m

$324

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Wed 9/2

11:59 pm-10:32 am

1 stop8h 33m

Louisville Intl

Sat 9/12

10:56 am-10:33 pm

2 stops13h 37m

$333

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Thu 10/15

5:48 pm-10:32 pm

Nonstop2h 44m

Louisville Intl

Tue 10/27

3:24 pm-4:29 pm

Nonstop3h 05m

$337

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Thu 10/15

7:00 am-10:59 am

2 stops25h 59m

Louisville Intl

Wed 10/21

10:55 am-2:22 pm

1 stop29h 27m

$339

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Thu 10/15

5:48 pm-10:32 pm

Nonstop2h 44m

Louisville Intl

Tue 10/27

3:45 pm-7:59 pm

1 stop6h 14m

$347
Quickest round-trip

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Sat 8/15

11:20 am-3:55 pm

Nonstop2h 35m

Louisville Intl

Mon 8/17

10:40 am-11:25 am

Nonstop2h 45m

$350

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Wed 9/23

7:10 pm-8:29 pm

2 stops23h 19m

Louisville Intl

Sat 9/26

10:56 am-8:15 pm

1 stop11h 19m

$351

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Sat 8/15

11:20 am-3:55 pm

Nonstop2h 35m

Louisville Intl

Mon 8/17

6:45 am-1:45 pm

2 stops9h 00m

$352

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Wed 8/19

11:59 pm-10:32 am

1 stop8h 33m

Louisville Intl

Wed 8/26

2:56 pm-9:49 pm

1 stop8h 53m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Louisville from

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

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 $432 to $623.
The lowest price recently found on this route was $300.

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of October, then departing from Denver during the month August is also very affordable. Most momondo users find prices during this month for around $417.

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 $405. 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 $549. 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 $484 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 $407 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.

How have Denver to Louisville flight prices changed over time?

As of July 2026, prices for Denver to Louisville flights are approximately 9% 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

$233

Fastest flight time

2h 25m

Direct flights

Every day

Airports in Louisville

1 airport
The best one-way flight to Louisville from Denver in the past 72 hours is $233. The best round-trip flight deal from Denver to Louisville found on momondo in the last 72 hours is $383.
The fastest flight from Denver to Louisville takes 2h 25m
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 25m, 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?

  • 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?

  • What is the most popular airline 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
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $149Free CancellationRating
7.8
8,487 reviews
Search Delta flights
American AirlinesPriceFrom $272Free CancellationRating
7.1
11,844 reviews
Search American Airlines flights
United AirlinesPriceFrom $291Free CancellationRating
7.4
10,040 reviews
Search United Airlines flights
SouthwestPriceFrom $297Free CancellationRating
8.0
4,231 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 $482, but momondo users have found Southwest deals from Denver to Louisville from as low as $297 round-trip. Southwest has been scored 8.0/10 in 4,231 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 $502 round-trip. United Airlines operates 14 flights out of Denver into Louisville in an average week, so prices vary by time and availability. 10,040 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
Jeffersonville
West Baden Springs
Bardstown
New Albany
Shepherdsville
Elizabeth
Corydon
Charlestown
Brandenburg
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.

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