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$67+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SDF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Colorado to Louisville

Keep the following information in mind while searching for Colorado to Louisville flight deals. Data was last updated September 11, 2025.

Round-trip from

$272
(Kiwi.com)

One-way from

$67
(United Airlines)

Popular in

April

Cheapest in

March

Average price

$447

Good round-trip deal

$371 or less

Good one-way deal

$215 or less
From Colorado to Louisville Intl
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One-way flight from Colorado to Louisville Intl
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Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Colorado to Louisville Intl.
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Price to beat on a one-way flight from Colorado to Louisville Intl.
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Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 10/56:00 amDEN - SDF
2 stops26h 52mMultiple Airlines
Tue 10/1410:01 amSDF - DEN
1 stop15h 15mMultiple Airlines
Deal found 9/11$272
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 10/510:29 pmDEN - SDF
1 stop13h 33mMultiple Airlines
Sat 10/189:25 amSDF - DEN
1 stop13h 14mMultiple Airlines
Deal found 9/11$273
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Fri 10/106:37 amDEN - SDF
1 stop23h 58mMultiple Airlines
Tue 10/1410:01 amSDF - DEN
1 stop15h 15mMultiple Airlines
Deal found 9/11$274
This Southwest deal was found by Cheapflights users on 9/10. 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.
Mon 10/611:45 pmDEN - SDF
1 stop9h 15mSouthwest
Tue 10/76:55 pmSDF - DEN
1 stop5h 25mSouthwest
Deal found 9/10$275
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 10/96:00 amDEN - SDF
2 stops30h 02mMultiple Airlines
Thu 10/167:15 amSDF - DEN
1 stop18h 01mMultiple Airlines
Deal found 9/11$276
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 9/305:45 pmDEN - SDF
Nonstop2h 45mUnited Airlines
Fri 10/39:01 amSDF - DEN
Nonstop3h 00mUnited Airlines
Deal found 9/9$277
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 10/1911:59 pmDEN - SDF
1 stop17h 53mMultiple Airlines
Fri 10/248:10 pmSDF - DEN
2 stops21h 31mMultiple Airlines
Deal found 9/11$278
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Fri 10/106:37 amDEN - SDF
1 stop23h 58mMultiple Airlines
Mon 10/132:57 pmSDF - DEN
1 stop15h 02mMultiple Airlines
Deal found 9/11$279
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/75:45 pmDEN - SDF
Nonstop2h 45mUnited Airlines
Wed 10/159:01 amSDF - DEN
Nonstop3h 00mUnited Airlines
Deal found 9/11$280
This Southwest deal was found by Cheapflights users on 9/10. 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.
Thu 11/271:50 pmDEN - SDF
Nonstop2h 25mSouthwest
Tue 12/26:05 amSDF - DEN
Nonstop2h 55mSouthwest
Deal found 9/10$281
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/1510:29 pmDEN - SDF
1 stop13h 33mMultiple Airlines
Sat 10/1810:17 amSDF - DEN
2 stops9h 52mMultiple Airlines
Deal found 9/9$282
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/712:36 amDEN - SDF
1 stop15h 19mMultiple Airlines
Mon 10/132:57 pmSDF - DEN
1 stop15h 02mMultiple Airlines
Deal found 9/10$283

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 September 11, 2025.
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

Tue 9/30

5:45 pm-10:30 pm

Nonstop2h 45m

Louisville Intl

Fri 10/3

9:01 am-10:01 am

Nonstop3h 00m

$277

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Tue 10/7

8:28 pm-10:01 am

1 stop11h 33m

Louisville Intl

Wed 10/15

9:01 am-10:01 am

Nonstop3h 00m

$280

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Thu 10/9

5:45 pm-10:30 pm

Nonstop2h 45m

Louisville Intl

Thu 10/16

3:30 pm-4:28 pm

Nonstop2h 58m

$287

Grand JunctionLouisville

GJT - SDF

GJTSDF

Grand Junction Regnl

Tue 12/16

5:30 am-1:11 pm

1 stop5h 41m

Louisville Intl

Tue 1/6

12:26 pm-4:07 pm

1 stop5h 41m

$289

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Thu 10/30

5:45 am-1:53 pm

1 stop6h 08m

Louisville Intl

Wed 11/5

5:58 pm-9:41 pm

1 stop5h 43m

$297

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Tue 11/25

3:20 pm-10:29 pm

1 stop5h 09m

Louisville Intl

Tue 12/2

3:33 pm-4:43 pm

Nonstop3h 10m

$300

VailLouisville

EGE - SDF

EGESDF

Vail Eagle County

Fri 9/26

1:40 pm-10:30 pm

1 stop6h 50m

Louisville Intl

Tue 9/30

1:58 pm-8:08 pm

2 stops8h 10m

$304

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Fri 10/31

5:51 pm-10:30 pm

Nonstop2h 39m

Louisville Intl

Mon 11/3

3:20 pm-4:29 pm

Nonstop3h 09m

$306

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Thu 10/30

5:51 pm-10:30 pm

Nonstop2h 39m

Louisville Intl

Wed 11/5

9:00 am-12:30 pm

1 stop5h 30m

$306

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Tue 10/14

7:10 pm-11:35 pm

Nonstop2h 25m

Louisville Intl

Thu 10/16

8:10 pm-11:40 pm

1 stop5h 30m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 56 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, January is the cheapest month in which you can book a flight from Colorado to Louisville (average of $299). Flying from Colorado to Louisville in April is currently the most expensive (average of $369). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Louisville as you normally would.

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 September 11, 2025.

The most flights from USCO to SDF are scheduled on a Tuesday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 4 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 United Airlines, American Airlines, and Delta fly from Colorado to Louisville in about 2h 45m. The time it takes to get you to your destination can typically vary by up to 3h 23m. Airlines will cover a distance of 1021 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 United Airlines, with whom users have recently found tickets for as low as $67. However, be on the lookout for offers from Southwest and Allegiant Air, 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 (70%), Southwest (63%) or Air Canada (47%) 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 $528 for a flight from Colorado to Louisville. The cheapest flight overall is $123 while the most popular route, (Denver Intl - Louisville Intl) is currently priced at $133.

  • 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, January is the cheapest month in which you can book a flight from Colorado to Louisville (average of $299). Flying from Colorado to Louisville in April is currently the most expensive (average of $369). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$182Average$394FlexibilityNo cancel feeOn-time71%
DeltaCheapest$266Average$403FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$276Average$423FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$296Average$543FlexibilityNo cancel feeOn-time69%

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