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$89+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SDF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:21 amGJT - SDF
1 stop5h 50mAmerican Airlines
Tue 1/67:40 amSDF - GJT
1 stop6h 36mAmerican Airlines
Deal found 12/9$376
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/165:30 amGJT - SDF
2 stops13h 12mUnited Airlines
Tue 1/62:05 pmSDF - GJT
2 stops10h 22mUnited Airlines
Deal found 12/9$398
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/2312:05 pmGUC - SDF
1 stop5h 54mUnited Airlines
Tue 12/303:18 pmSDF - GUC
1 stop7h 06mUnited Airlines
Deal found 12/9$400
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amGUC - SDF
1 stop5h 22mUnited Airlines
Wed 12/312:00 pmSDF - GUC
2 stops8h 24mUnited Airlines
Deal found 12/10$412
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:44 amDEN - SDF
1 stop8h 35mAmerican Airlines
Sat 1/35:00 amSDF - DEN
1 stop6h 20mAmerican Airlines
Deal found 12/11$420
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:37 pmGUC - SDF
1 stop4h 57mAmerican Airlines
Wed 12/316:35 amSDF - GUC
1 stop7h 13mAmerican Airlines
Deal found 12/10$460
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amDEN - SDF
1 stop12h 32mUnited Airlines
Sat 1/33:18 pmSDF - DEN
Nonstop3h 17mUnited Airlines
Deal found 12/10$475
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:32 pmDEN - SDF
1 stop7h 02mAmerican Airlines
Thu 1/12:00 pmSDF - DEN
1 stop10h 26mAmerican Airlines
Deal found 12/11$485
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:14 pmDEN - SDF
1 stop4h 49mDelta
Sat 1/36:51 pmSDF - DEN
1 stop7h 12mDelta
Deal found 12/10$519
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:41 amDEN - SDF
Nonstop2h 41mUnited Airlines
Mon 1/53:18 pmSDF - DEN
Nonstop3h 17mUnited Airlines
Deal found 12/10$524
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Sat 12/2011:05 amDEN - SDF
1 stop25h 10mMultiple Airlines
Mon 1/58:53 pmSDF - DEN
2 stops41h 01mMultiple Airlines
Deal found 12/9$530
This Southwest deal was found by Cheapflights users on 12/10. 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.
Sun 12/285:20 amDEN - SDF
1 stop4h 25mSouthwest
Mon 1/55:30 pmSDF - DEN
Nonstop2h 55mSouthwest
Deal found 12/10$534

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$232
(Kiwi.com)

One-way from

$89
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$578

Good round-trip deal

$451 or less

Good one-way deal

$243 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. 5% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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.
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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 December 12, 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 2/17

7:00 am-9:23 pm

1 stop12h 23m

Louisville Intl

Tue 2/24

6:32 am-3:49 pm

1 stop11h 17m

$285

GunnisonLouisville

GUC - SDF

GUCSDF

Gunnison

Sat 1/17

7:00 am-2:26 pm

1 stop5h 26m

Louisville Intl

Wed 1/21

9:00 am-12:45 pm

1 stop5h 45m

$291

HaydenLouisville

HDN - SDF

HDNSDF

Hayden Yampa Valley

Wed 1/21

1:32 pm-10:24 pm

1 stop6h 52m

Louisville Intl

Sun 1/25

9:00 am-2:25 pm

1 stop7h 25m

$291

Colorado SpringsLouisville

COS - SDF

COSSDF

Colorado Springs

Sat 2/14

1:22 pm-8:28 pm

1 stop5h 06m

Louisville Intl

Sat 2/21

5:33 am-12:25 pm

1 stop8h 52m

$320

VailLouisville

EGE - SDF

EGESDF

Vail Eagle County

Sat 2/14

1:35 pm-10:37 pm

1 stop7h 02m

Louisville Intl

Wed 2/18

9:15 am-2:15 pm

1 stop7h 00m

$337

Grand JunctionLouisville

GJT - SDF

GJTSDF

Grand Junction Regnl

Sat 1/17

5:30 am-2:26 pm

1 stop6h 56m

Louisville Intl

Wed 1/21

3:22 pm-8:38 pm

1 stop7h 16m

$337

Colorado SpringsLouisville

COS - SDF

COSSDF

Colorado Springs

Sat 2/14

1:43 pm-10:50 pm

1 stop7h 07m

Louisville Intl

Sat 2/21

12:00 pm-10:08 pm

2 stops12h 08m

$356

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Tue 2/17

6:00 pm-10:37 pm

Nonstop2h 37m

Louisville Intl

Tue 2/24

2:05 pm-7:48 pm

1 stop7h 43m

$373

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Tue 2/17

6:25 am-5:10 pm

2 stops8h 45m

Louisville Intl

Tue 2/24

2:30 pm-9:40 pm

2 stops9h 10m

$393

GunnisonLouisville

GUC - SDF

GUCSDF

Gunnison

Tue 12/23

12:05 pm-7:59 pm

1 stop5h 54m

Louisville Intl

Tue 12/30

3:18 pm-8:24 pm

1 stop7h 06m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 36 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 $50). 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 December 12, 2025.

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 29% versus a flight in the morning.

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 December 12, 2025.

The most flights from USCO to SDF are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 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 5 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 06m. The time it takes to get you to your destination can typically vary by up to 7h 17m. 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 Gunnison - Louisville Intl.

  • What are the cheapest flights from Colorado to Louisville?

    On average you can expect to pay $529 for a flight from Colorado to Louisville. The cheapest flight overall is $195 while the most popular route, (Denver Intl - Louisville Intl) is currently priced at $268.

  • 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 $50). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$168Average$347FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$204Average$414FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$231Average$387FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$498FlexibilityNo cancel feeOn-time69%

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