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$130+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SDF
Jun 20 — Jun 271
Fri 6/20
Fri 6/27
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 June 15, 2025.

Round-trip from

$237
(Delta)

One-way from

$130
(American Airlines)

Popular in

April

Cheapest in

August

Average price

$474

Good round-trip deal

$358 or less

Good one-way deal

$188 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. 8% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 15, 2025.

This Delta deal was found by Cheapflights users on 6/13. 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 8/136:00 amDEN - SDF
1 stop6h 26mDelta
Wed 9/310:24 amSDF - DEN
1 stop5h 30mDelta
Deal found 6/13$237
This Delta deal was found by Cheapflights users on 6/13. 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.
Thu 8/2111:06 amCOS - SDF
1 stop5h 46mDelta
Mon 8/256:00 amSDF - COS
1 stop6h 16mDelta
Deal found 6/13$237
This American Airlines deal was found by Cheapflights users on 6/14. 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 8/1312:04 pmDEN - SDF
1 stop8h 58mAmerican Airlines
Wed 9/37:00 amSDF - DEN
1 stop13h 54mAmerican Airlines
Deal found 6/14$249
This Southwest deal was found by Cheapflights users on 6/13. 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 8/204:20 pmDEN - SDF
Nonstop2h 35mSouthwest
Sun 8/246:20 amSDF - DEN
Nonstop2h 50mSouthwest
Deal found 6/13$277
This Southwest deal was found by Cheapflights users on 6/14. 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 8/2011:55 amCOS - SDF
1 stop4h 30mSouthwest
Wed 8/275:55 pmSDF - COS
1 stop6h 45mSouthwest
Deal found 6/14$277
This United Airlines deal was found by Cheapflights users on 6/13. 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 6/281:45 pmGJT - SDF
1 stop7h 00mUnited Airlines
Wed 7/28:00 amSDF - GJT
1 stop6h 47mUnited Airlines
Deal found 6/13$309
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Mon 6/302:39 pmEGE - SDF
1 stop6h 08mAmerican Airlines
Fri 7/47:46 amSDF - EGE
1 stop7h 03mAmerican Airlines
Deal found 6/14$324
This Sun Country Air deal was found by Cheapflights users on 6/13. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/36:13 pmDEN - SDF
1 stop20h 30mSun Country Air
Mon 7/72:10 pmSDF - DEN
1 stop23h 19mSun Country Air
Deal found 6/13$325
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 7/47:30 amGUC - SDF
1 stop4h 53mUnited Airlines
Tue 7/83:25 pmSDF - GUC
1 stop6h 50mUnited Airlines
Deal found 6/12$329
This United Airlines deal was found by Cheapflights users on 6/15. 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 8/308:00 amCOS - SDF
1 stop4h 34mUnited Airlines
Mon 9/19:31 amSDF - COS
1 stop5h 38mUnited Airlines
Deal found 6/15$333
This Mytrip deal was found by Cheapflights users on 6/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/114:05 pmDEN - SDF
2 stops26h 43mMultiple Airlines
Fri 7/182:04 pmSDF - DEN
1 stop21h 25mMultiple Airlines
Deal found 6/13$356
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/68:55 pmDEN - SDF
1 stop21h 31mUnited Airlines
Wed 9/107:00 amSDF - DEN
1 stop10h 39mUnited Airlines
Deal found 6/14$365

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 June 15, 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

Wed 8/13

6:00 am-2:26 pm

1 stop6h 26m

Louisville Intl

Wed 9/3

10:24 am-1:54 pm

1 stop5h 30m

$237

Colorado SpringsLouisville

COS - SDF

COSSDF

Colorado Springs

Thu 8/21

11:06 am-6:52 pm

1 stop5h 46m

Louisville Intl

Mon 8/25

6:00 am-10:16 am

1 stop6h 16m

$237

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Wed 8/13

12:04 pm-11:02 pm

1 stop8h 58m

Louisville Intl

Wed 9/3

7:00 am-6:54 pm

1 stop13h 54m

$249

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Wed 8/20

4:20 pm-8:55 pm

Nonstop2h 35m

Louisville Intl

Sun 8/24

6:20 am-7:10 am

Nonstop2h 50m

$277

Colorado SpringsLouisville

COS - SDF

COSSDF

Colorado Springs

Wed 8/20

11:55 am-6:25 pm

1 stop4h 30m

Louisville Intl

Wed 8/27

5:55 pm-10:40 pm

1 stop6h 45m

$277

Grand JunctionLouisville

GJT - SDF

GJTSDF

Grand Junction Regnl

Sat 6/28

1:45 pm-10:45 pm

1 stop7h 00m

Louisville Intl

Wed 7/2

8:00 am-12:47 pm

1 stop6h 47m

$309

VailLouisville

EGE - SDF

EGESDF

Vail Eagle County

Mon 6/30

2:39 pm-10:47 pm

1 stop6h 08m

Louisville Intl

Fri 7/4

7:46 am-12:49 pm

1 stop7h 03m

$324

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Thu 7/3

6:13 pm-4:43 pm

1 stop20h 30m

Louisville Intl

Mon 7/7

2:10 pm-11:29 am

1 stop23h 19m

$325

GunnisonLouisville

GUC - SDF

GUCSDF

Gunnison

Fri 7/4

7:30 am-2:23 pm

1 stop4h 53m

Louisville Intl

Tue 7/8

3:25 pm-8:15 pm

1 stop6h 50m

$329

Colorado SpringsLouisville

COS - SDF

COSSDF

Colorado Springs

Sat 8/30

8:00 am-2:34 pm

1 stop4h 34m

Louisville Intl

Mon 9/1

9:31 am-1:09 pm

1 stop5h 38m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 29 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 June 15, 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 June 15, 2025.

The most flights from USCO to SDF are scheduled on a Sunday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated June 15, 2025.
Read through reviews of airlines operating flights from Colorado to Louisville, such as Southwest, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,285 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,285 reviews
Southwest
8.0
Very good
4,285 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,963 reviews
Southwest
8.0
Very good
4,285 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,798 reviews
Southwest
8.0
Very good
4,285 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Allegiant Air
7.3
Good
722 reviews
Southwest
8.0
Very good
4,285 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,285 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $130. However, be on the lookout for offers from Allegiant Air and Delta, 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 (71%), Air Canada (65%) or Southwest (62%) 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 $347 for a flight from Colorado to Louisville. The cheapest flight overall is $87 while the most popular route, (Denver Intl - Louisville Intl) is currently priced at $217.

  • 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 Colorado?

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

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Alternative routes for Colorado to Louisville

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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 June 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$226Average$393FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$536FlexibilityNo cancel feeOn-time69%
DeltaCheapest$294Average$376FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$301Average$423FlexibilityNo cancel feeOn-time63%

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