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$100+ Cheap flights from Colorado to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SDF
Mar 1 — Mar 81
Sun 3/1
Sun 3/8
1 adult, Economy
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Cheap flight deals from Colorado to Louisville

Cheapest flights from Colorado to Louisville
Explore the most affordable flight options available from Colorado to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:00 pm
DEN
-
SDF
2 stops34h 40m
Multiple Airlines
Wed 3/41:19 pm
SDF
-
DEN
1 stop11h 40m
Multiple Airlines
Deal found 1/28$231
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:00 am
DEN
-
SDF
1 stop24h 26m
Multiple Airlines
Sat 3/712:00 pm
SDF
-
DEN
2 stops14h 16m
Multiple Airlines
Deal found 1/29$237
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:59 pm
DEN
-
SDF
1 stop10h 22m
Multiple Airlines
Thu 2/263:33 pm
SDF
-
DEN
2 stops18h 54m
Multiple Airlines
Deal found 1/28$295
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1212:27 pm
EGE
-
SDF
1 stop8h 11m
American Airlines
Mon 2/166:10 am
SDF
-
EGE
1 stop5h 56m
American Airlines
Deal found 1/28$299
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:30 pm
DEN
-
SDF
1 stop22h 56m
Multiple Airlines
Tue 3/311:14 pm
SDF
-
DEN
2 stops31h 29m
Multiple Airlines
Deal found 1/28$301
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:40 am
DEN
-
SDF
Nonstop2h 39m
United Airlines
Wed 3/43:15 pm
SDF
-
DEN
Nonstop3h 16m
United Airlines
Deal found 1/28$317
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:02 pm
GUC
-
SDF
1 stop7h 44m
United Airlines
Sat 2/283:15 pm
SDF
-
GUC
1 stop7h 07m
United Airlines
Deal found 1/28$319
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:25 pm
DEN
-
SDF
Nonstop2h 34m
United Airlines
Tue 3/313:36 pm
SDF
-
DEN
Nonstop3h 09m
United Airlines
Deal found 1/28$327
This Southwest deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:55 am
DEN
-
SDF
2 stops10h 00m
Southwest
Tue 4/216:40 pm
SDF
-
DEN
Nonstop2h 50m
Southwest
Deal found 1/28$332
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:20 am
COS
-
SDF
1 stop8h 10m
Delta
Wed 4/158:10 am
SDF
-
COS
1 stop6h 07m
Delta
Deal found 1/29$335
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/112:33 pm
DEN
-
SDF
1 stop8h 05m
American Airlines
Wed 4/228:30 am
SDF
-
DEN
1 stop5h 39m
American Airlines
Deal found 1/28$337
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 pm
DEN
-
SDF
Nonstop2h 37m
United Airlines
Tue 3/39:00 am
SDF
-
DEN
Nonstop3h 17m
United Airlines
Deal found 1/29$339

Find flight deals from Colorado to Louisville

Keep the following information in mind while searching for Colorado to Louisville flight deals. Data was last updated January 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$231
(Kiwi.com)

One-way from

$100
(Trip.com)

Popular in

January

Cheapest in

October

Average price

$591

Good round-trip deal

$419 or less

Good one-way deal

$256 or less
Provider with most accurate pricing for Denver Intl-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Louisville Intl flights.
Search Deals
From Colorado to Louisville Intl
Search Deals
One-way flight from Colorado to Louisville Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Colorado to Louisville Intl.
Search Deals
Price to beat on a one-way flight from Colorado to Louisville Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2026.
Use the filters below to find and compare flights from Colorado to Louisville that are best for you.

Fly from

Colorado

Fly to

Louisville

Route

Depart

Return

Price

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Wed 2/25

6:20 pm-11:43 am

1 stop15h 23m

Louisville Intl

Wed 3/4

1:19 pm-10:59 pm

1 stop11h 40m

$284

VailLouisville

EGE - SDF

EGESDF

Vail Eagle County

Thu 2/12

12:27 pm-10:38 pm

1 stop8h 11m

Louisville Intl

Mon 2/16

6:10 am-10:06 am

1 stop5h 56m

$299

GunnisonLouisville

GUC - SDF

GUCSDF

Gunnison

Wed 2/25

12:02 pm-9:46 pm

1 stop7h 44m

Louisville Intl

Sat 2/28

3:15 pm-8:22 pm

1 stop7h 07m

$319

Colorado SpringsLouisville

COS - SDF

COSSDF

Colorado Springs

Wed 4/1

1:28 pm-9:16 pm

1 stop5h 48m

Louisville Intl

Tue 4/14

8:10 am-12:17 pm

1 stop6h 07m

$335

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Wed 3/25

11:45 am-8:30 pm

2 stops6h 45m

Louisville Intl

Tue 3/31

5:00 pm-10:55 pm

2 stops7h 55m

$347

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Tue 4/28

3:30 pm-11:59 pm

1 stop6h 29m

Louisville Intl

Thu 5/7

7:25 pm-10:29 pm

1 stop5h 04m

$359

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Wed 4/15

1:35 pm-10:55 pm

1 stop7h 20m

Louisville Intl

Mon 4/20

6:55 am-12:00 pm

2 stops7h 05m

$364

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Mon 3/2

10:45 am-9:25 pm

2 stops8h 40m

Louisville Intl

Tue 3/3

6:45 am-1:50 pm

2 stops9h 05m

$369

Colorado SpringsLouisville

COS - SDF

COSSDF

Colorado Springs

Mon 4/6

6:20 am-2:00 pm

1 stop5h 40m

Louisville Intl

Tue 4/14

6:00 am-12:17 pm

1 stop8h 17m

$371

Colorado SpringsLouisville

COS - SDF

COSSDF

Colorado Springs

Thu 4/2

1:28 pm-9:16 pm

1 stop5h 48m

Louisville Intl

Wed 4/15

3:17 pm-8:20 pm

1 stop7h 03m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 49 results
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Best time to book a flight from Colorado to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Louisville

What is the cheapest month to book a flight from Colorado to Louisville?

Currently, February is the cheapest month in which you can book a flight from Colorado to Louisville (average of $54). Flying from Colorado to Louisville in April is currently the most expensive (average of $120). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to SDF?

Find hourly flight availability from Colorado to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 30, 2026.

When flying from Colorado to Louisville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 37% versus a flight at noon.

Weekly flight availability from Colorado to Louisville

Explore weekly flight availability from Colorado to Louisville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 30, 2026.

The most flights from USCO to SDF are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Related info for your journey

Find useful and relevant information for your journey from Colorado to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Colorado?

    Louisville Intl (SDF) is the airport you will fly into if you book a flight from Colorado to Louisville. It is only a 5.3 mi journey from Louisville Intl (SDF) to Louisville’s city center.

  • How popular is this Colorado to Louisville flight route?

    The Colorado to Louisville Intl flight path was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Colorado to Louisville?

    Airlines like American Airlines, United Airlines, and Delta fly from Colorado to Louisville in about 5h 48m. The time it takes to get you to your destination can typically vary by up to 2h 23m. Airlines will cover a distance of 1024 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Colorado to Louisville one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $137. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Colorado to Louisville for a low price.

  • What are the most popular routes from Colorado to Louisville?

    The most popular flight routes from Colorado to Louisville are Denver Intl - Louisville Intl, Colorado Springs - Louisville Intl and Grand Junction Regnl - Louisville Intl.

  • What are the most reliable airlines from Colorado to Louisville?

    Consider United Airlines (82%), Air Canada (80%) or Southwest (59%) when booking your flight. These represent the most reliable airlines when flying from Colorado to Louisville.

  • What are the cheapest flights from Colorado to Louisville?

    On average you can expect to pay $361 for a flight from Colorado to Louisville. The cheapest flight overall is $161 while the most popular route, (Denver Intl - Louisville Intl) is currently priced at $231.

  • Can I find deals for flights from Colorado to Louisville that include hotel bookings?

    Yes. In addition to deals on Colorado to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Louisville.

  • Can I find deals for business class flights from Colorado to Louisville?

    Yes. Cheapflights offers flight deals from Colorado to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Louisville?

    Currently, February is the cheapest month in which you can book a flight from Colorado to Louisville (average of $54). Flying from Colorado to Louisville in April is currently the most expensive (average of $120). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Top 4 airlines flying from Colorado to Louisville

Discover the top 4 airlines that operate flights from Colorado to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$149Average$370FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$204Average$431FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$231Average$405FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$267Average$499FlexibilityNo cancel feeOn-time69%

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