HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$126+ Cheap flights from Louisville (SDF) to Colorado

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Colorado with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Louisville to Colorado

Keep the following information in mind while searching for Louisville to Colorado flight deals. Data was last updated July 1, 2025.

Round-trip from

$257
(United Airlines)

One-way from

$126
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$436

Good round-trip deal

$433 or less

Good one-way deal

$249 or less
From Louisville Intl to Colorado
Search Deals
One-way flight from Louisville Intl to Colorado
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Louisville Intl to Colorado.
Search Deals
Price to beat on a one-way flight from Louisville Intl to Colorado.
Search Deals

Find flight deals from Louisville to Colorado

Cheapest flights from Louisville to Colorado
Explore the most affordable flight options available from Louisville to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

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 8/73:25 pmSDF - DEN
Nonstop3h 00mUnited Airlines
Thu 8/149:45 amDEN - SDF
Nonstop2h 38mUnited Airlines
Deal found 6/30$257
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 10/27:00 amSDF - DEN
1 stop11h 47mAmerican Airlines
Mon 10/62:48 pmDEN - SDF
1 stop5h 35mAmerican Airlines
Deal found 6/30$260
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:00 pmSDF - DEN
Nonstop2h 50mSouthwest
Mon 8/117:05 pmDEN - SDF
Nonstop2h 35mSouthwest
Deal found 6/30$266
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1112:15 pmSDF - COS
1 stop8h 05mAmerican Airlines
Tue 8/1912:16 pmCOS - SDF
1 stop8h 46mAmerican Airlines
Deal found 7/1$272
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:00 amSDF - COS
1 stop8h 06mDelta
Wed 10/16:00 amCOS - SDF
1 stop6h 24mDelta
Deal found 7/1$277
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:05 amSDF - DEN
1 stop6h 00mDelta
Mon 9/2912:59 amDEN - SDF
1 stop7h 01mDelta
Deal found 7/1$277
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1812:13 pmSDF - DEN
1 stop22h 50mSun Country Air
Sun 9/216:35 amDEN - SDF
1 stop8h 58mSun Country Air
Deal found 6/30$305
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.
Wed 10/13:20 pmSDF - COS
2 stops8h 40mSouthwest
Sat 10/49:25 amCOS - SDF
2 stops10h 20mSouthwest
Deal found 7/1$315
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/63:20 pmSDF - ASE
1 stop5h 06mUnited Airlines
Wed 12/101:00 pmASE - SDF
1 stop5h 14mUnited Airlines
Deal found 6/29$337
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.
Sat 8/234:51 pmSDF - GJT
1 stop6h 10mAmerican Airlines
Tue 8/266:00 amGJT - SDF
1 stop8h 21mAmerican Airlines
Deal found 6/29$349
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/210:00 amSDF - DRO
1 stop8h 07mAmerican Airlines
Mon 9/811:43 amDRO - SDF
1 stop6h 20mAmerican Airlines
Deal found 7/1$349
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.
Sat 8/239:31 amSDF - GJT
1 stop5h 05mUnited Airlines
Tue 8/267:20 amGJT - SDF
2 stops9h 38mUnited Airlines
Deal found 6/30$354

Cheapflights Fare Finder

Customize your flight search to find flights from Louisville to Colorado 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 Louisville to Colorado that are best for you.

Fly from

Louisville

Fly to

Colorado

Route

Depart

Return

Price

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Thu 8/7

3:25 pm-4:25 pm

Nonstop3h 00m

Denver Intl

Thu 8/14

9:45 am-2:23 pm

Nonstop2h 38m

$257

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Tue 8/5

8:20 am-12:59 pm

1 stop6h 39m

Denver Intl

Tue 8/12

12:04 pm-11:02 pm

1 stop8h 58m

$260

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Sat 8/9

6:00 pm-6:50 pm

Nonstop2h 50m

Denver Intl

Mon 8/11

7:05 pm-11:40 pm

Nonstop2h 35m

$266

LouisvilleColorado Springs

SDF - COS

SDFCOS

Louisville Intl

Mon 8/11

12:15 pm-6:20 pm

1 stop8h 05m

Colorado Springs

Tue 8/19

12:16 pm-11:02 pm

1 stop8h 46m

$272

LouisvilleColorado Springs

SDF - COS

SDFCOS

Louisville Intl

Tue 9/30

7:05 am-12:06 pm

1 stop7h 01m

Colorado Springs

Tue 10/7

6:00 am-1:49 pm

1 stop5h 49m

$277

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Tue 9/23

7:05 am-11:05 am

1 stop6h 00m

Denver Intl

Mon 9/29

12:59 am-10:00 am

1 stop7h 01m

$277

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Thu 9/18

12:13 pm-9:03 am

1 stop22h 50m

Denver Intl

Sun 9/21

6:35 am-5:33 pm

1 stop8h 58m

$305

LouisvilleColorado Springs

SDF - COS

SDFCOS

Louisville Intl

Wed 10/1

3:20 pm-10:00 pm

2 stops8h 40m

Colorado Springs

Sat 10/4

9:25 am-9:45 pm

2 stops10h 20m

$315

LouisvilleAspen

SDF - ASE

SDFASE

Louisville Intl

Sat 12/6

3:20 pm-6:26 pm

1 stop5h 06m

Aspen Pitkin County

Wed 12/10

1:00 pm-8:14 pm

1 stop5h 14m

$337

LouisvilleGrand Junction

SDF - GJT

SDFGJT

Louisville Intl

Sat 8/23

4:51 pm-9:01 pm

1 stop6h 10m

Grand Junction Regnl

Tue 8/26

6:00 am-4:21 pm

1 stop8h 21m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 29 results
1
2
3

Best time to book a flight from Louisville to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Louisville 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 Louisville to Colorado

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

Currently, October is the cheapest month in which you can book a flight from Louisville to Colorado (average of $197). Flying from Louisville to Colorado in March is currently the most expensive (average of $278). 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 SDF to CO?

Find hourly flight availability from Louisville to Colorado. 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 Louisville to Colorado as you normally would.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated July 1, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Louisville to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

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

Food

7.0

Crew

8.6

Entertainment

7.6

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

Food

7.0

Crew

8.6

Entertainment

7.6

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

Food

7.0

Crew

8.6

Entertainment

7.6

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

Food

7.0

Crew

8.6

Entertainment

7.6

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

Food

7.0

Crew

8.6

Entertainment

7.6

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 Louisville to Colorado. 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 from for flights from Louisville to Colorado?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Colorado.

  • How popular is this Louisville to Colorado flight route?

    Flights from Louisville Intl to Colorado have been viewed 72 times in the past calendar month.

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

    $127 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Southwest and Delta, with prices starting from $129 and $139, respectively.

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

    Most travelers choose Louisville Intl - Denver Intl, Louisville Intl - Colorado Springs or Louisville Intl - Grand Junction Regnl when deciding on the best route from Louisville to Colorado.

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

    No one likes to see their flight delayed. When booking a flight from Louisville to Colorado consider choosing Air Canada (83%), United Airlines (63%) or Southwest (55%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Louisville to Colorado?

    The cheapest flight price from Louisville to Colorado is $188. On average you can expect to pay $510. The most popular route, (Louisville Intl - Denver Intl), can usually be booked for $257.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Colorado 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 Louisville to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Louisville to Colorado (average of $197). Flying from Louisville to Colorado in March is currently the most expensive (average of $278). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Orlando flights
Cincinnati to John F Kennedy Intl flights
Cincinnati to Las Vegas flights
Cincinnati to LaGuardia flights
Nashville to Seattle flights
Nashville to LaGuardia flights
Cincinnati to Newark flights
Cincinnati to Seattle flights
Cincinnati to Boston flights
Nashville to John F Kennedy Intl flights
Cincinnati to Tampa flights
Cincinnati to Denver flights
Cincinnati to Dallas/Fort Worth flights
Nashville to Denver flights
Nashville to Newark flights
Nashville to Las Vegas flights
Louisville to Las Vegas flights
Cincinnati to Miami flights
Nashville to Los Angeles flights
Cincinnati to Los Angeles flights
Cincinnati to Fort Lauderdale flights
Nashville to Boston flights
Louisville to Boston flights
Cincinnati to Hobby flights
Cincinnati to Atlanta flights
Nashville to O'Hare Intl flights
Cincinnati to Fort Myers flights
Louisville to LaGuardia flights
Cincinnati to George Bush Intcntl flights
Nashville to Orlando flights
Cincinnati to O'Hare Intl flights
Nashville to Miami flights
Nashville to Fort Lauderdale flights
Louisville to Miami flights
Louisville to Newark flights
Nashville to Hobby flights
Louisville to Orlando flights
Nashville to San Francisco flights
Cincinnati to Sky Harbor Intl flights
Nashville to Dallas/Fort Worth flights
Cincinnati to Dulles Intl flights
Nashville to Sarasota flights
Cincinnati to Reagan-National flights
Louisville to John F Kennedy Intl flights
Louisville to Denver flights
Cincinnati to Baltimore flights
Lexington to LaGuardia flights
Nashville to George Bush Intcntl flights
Nashville to Portland flights
Louisville to O'Hare Intl flights

Top 4 airlines flying from Louisville to Colorado

Discover the top 4 airlines that operate flights from Louisville to Colorado. 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
DeltaCheapest$196Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$230Average$453FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$231Average$566FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$278Average$413FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.