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$120+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SDF
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$243
(American Airlines)

One-way from

$120
(Trip.com)

Popular in

April

Cheapest in

August

Average price

$491

Good round-trip deal

$372 or less

Good one-way deal

$192 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 ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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 8/137:22 amDEN - SDF
1 stop8h 16mAmerican Airlines
Thu 8/149:44 amSDF - DEN
1 stop8h 58mAmerican Airlines
Deal found 6/30$243
This Southwest deal was found by Cheapflights users on 7/1. 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 8/117:05 pmDEN - SDF
Nonstop2h 35mSouthwest
Tue 8/1211:25 amSDF - DEN
Nonstop2h 50mSouthwest
Deal found 7/1$257
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 10/165:45 pmDEN - SDF
Nonstop2h 45mUnited Airlines
Mon 10/203:30 pmSDF - DEN
Nonstop2h 58mUnited Airlines
Deal found 6/30$266
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/2112:07 pmCOS - SDF
1 stop8h 55mAmerican Airlines
Mon 8/252:18 pmSDF - COS
1 stop6h 02mAmerican Airlines
Deal found 6/30$272
This Delta deal was found by Cheapflights users on 6/29. 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 10/86:05 amDEN - SDF
1 stop5h 44mDelta
Tue 10/1410:15 amSDF - DEN
1 stop5h 48mDelta
Deal found 6/29$277
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:10 pmCOS - SDF
1 stop7h 30mSouthwest
Mon 10/65:40 amSDF - COS
1 stop8h 10mSouthwest
Deal found 6/29$277
This Delta deal was found by Cheapflights users on 6/30. 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
2 stops8h 09mDelta
Mon 8/256:00 amSDF - COS
1 stop6h 16mDelta
Deal found 6/30$282
This United Airlines deal was found by Cheapflights users on 6/30. 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 7/151:45 pmGJT - SDF
1 stop7h 00mUnited Airlines
Sat 7/193:25 pmSDF - GJT
1 stop7h 05mUnited Airlines
Deal found 6/30$309
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Fri 10/316:00 amGJT - SDF
1 stop5h 45mAmerican Airlines
Sun 11/25:41 amSDF - GJT
1 stop5h 48mAmerican Airlines
Deal found 6/30$319
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 7/313:35 pmCOS - SDF
1 stop5h 10mUnited Airlines
Mon 8/43:39 pmSDF - COS
1 stop7h 47mUnited Airlines
Deal found 6/30$332
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/228:15 amEGE - SDF
1 stop6h 06mAmerican Airlines
Tue 8/267:46 amSDF - EGE
1 stop8h 12mAmerican Airlines
Deal found 6/29$337
This Delta deal was found by Cheapflights users on 6/30. 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 12/101:10 pmGJT - SDF
2 stops8h 46mDelta
Sat 12/1312:40 pmSDF - GJT
2 stops11h 50mDelta
Deal found 6/30$339

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 July 1, 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

7:22 am-5:38 pm

1 stop8h 16m

Louisville Intl

Thu 8/14

9:44 am-4:42 pm

1 stop8h 58m

$243

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Mon 8/11

7:05 pm-11:40 pm

Nonstop2h 35m

Louisville Intl

Tue 8/12

11:25 am-12:15 pm

Nonstop2h 50m

$257

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Thu 10/16

5:45 pm-10:30 pm

Nonstop2h 45m

Louisville Intl

Mon 10/20

3:30 pm-4:28 pm

Nonstop2h 58m

$266

Colorado SpringsLouisville

COS - SDF

COSSDF

Colorado Springs

Thu 8/21

12:07 pm-11:02 pm

1 stop8h 55m

Louisville Intl

Mon 8/25

2:18 pm-6:20 pm

1 stop6h 02m

$272

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Wed 10/8

6:05 am-1:49 pm

1 stop5h 44m

Louisville Intl

Tue 10/14

10:15 am-2:03 pm

1 stop5h 48m

$277

Colorado SpringsLouisville

COS - SDF

COSSDF

Colorado Springs

Thu 8/21

11:06 am-9:15 pm

2 stops8h 09m

Louisville Intl

Mon 8/25

6:00 am-10:16 am

1 stop6h 16m

$282

Grand JunctionLouisville

GJT - SDF

GJTSDF

Grand Junction Regnl

Tue 7/15

1:45 pm-10:45 pm

1 stop7h 00m

Louisville Intl

Sat 7/19

3:25 pm-8:30 pm

1 stop7h 05m

$309

Grand JunctionLouisville

GJT - SDF

GJTSDF

Grand Junction Regnl

Fri 10/31

6:00 am-1:45 pm

1 stop5h 45m

Louisville Intl

Sun 11/2

5:41 am-9:29 am

1 stop5h 48m

$319

Colorado SpringsLouisville

COS - SDF

COSSDF

Colorado Springs

Thu 7/31

3:35 pm-10:45 pm

1 stop5h 10m

Louisville Intl

Mon 8/4

3:39 pm-9:26 pm

1 stop7h 47m

$332

VailLouisville

EGE - SDF

EGESDF

Vail Eagle County

Fri 8/22

8:15 am-4:21 pm

1 stop6h 06m

Louisville Intl

Tue 8/26

7:46 am-1:58 pm

1 stop8h 12m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 24 results
1
2
3

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 July 1, 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 July 1, 2025.

The most flights from USCO to SDF are scheduled on a Tuesday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

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 July 1, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Colorado to Louisville. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

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
4,273 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

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
7,973 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

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
8,858 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

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
4,273 reviews

Boarding

8.2

Entertainment

7.6

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

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
7.2
Good
710 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

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 $127. However, be on the lookout for offers from United Airlines 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 Gunnison - Louisville Intl.

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

    Consider United Airlines (70%), Air Canada (60%) or Southwest (46%) 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 $371 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 $257.

  • 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$226Average$391FlexibilityNo cancel feeOn-time71%
DeltaCheapest$294Average$373FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$297Average$534FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$300Average$422FlexibilityNo cancel feeOn-time63%

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