What is the cheapest airline that flies from Colorado to Louisville Intl?

Allegiant Air, Southwest, and American Airlines are the most popular carriers operating from Colorado to Louisville Intl

How many flights depart from Colorado to Louisville on average per day?

As of August 2026, 2 flights take off from Colorado and land in Louisville each day. The most common flight departure time for this route is 6:00PM, with 50% of daily flights taking off in the evening.

What airlines fly to Louisville?

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to Louisville from Colorado according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 7 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Louisville?

If you’re flying from a popular airport in Colorado, such as Denver or Grand Junction, and flying into Louisville, then you can expect flight times to average 2h 25m and 5h 19m, respectively.

How many flights depart from Colorado to Louisville on average per week?

As of August 2026, 18 flights take off from Colorado and land in Louisville each week. The most common flight departure day for this route is Sun, with 28% of weekly flights taking off on this day.

When did momondo last update prices for flights from Colorado to Louisville Intl Airport?

Prices for flights from Colorado to Louisville Intl Airport were last updated today.

How many operators does momondo search for flights from Colorado to Louisville Intl Airport?

As of August 2026, there are 5 operators available to choose from for flights from Colorado to Louisville Intl Airport.

How old do you have to be to fly from Colorado to Louisville Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Louisville Intl Airport.

What documentation or ID do you need to fly to Louisville Intl Airport?

The travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$140 Cheap Flights from Colorado to Louisville in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Louisville

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 pm - 10:35 pmDEN Denver Intl-SDF Louisville Intl

2h 50mnonstop

12:10 pm - 12:55 pmSDF Louisville Intl-DEN Denver Intl

2h 45mnonstop

$299Southwest

Tue, Sep 22 - Wed, Sep 30

5:45 pm - 10:35 pmDEN Denver Intl-SDF Louisville Intl

2h 50mnonstop

3:55 pm - 4:40 pmSDF Louisville Intl-DEN Denver Intl

2h 45mnonstop

$299Southwest

Tue, Sep 15 - Sat, Sep 26

11:59 pm - 10:32 amDEN Denver Intl-SDF Louisville Intl

8h 33m1 stop Tampa

10:56 am - 8:04 amSDF Louisville Intl-DEN Denver Intl

47h 08m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson

$304Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

10:44 am - 10:11 amDEN Denver Intl-SDF Louisville Intl

21h 27m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

5:28 pm - 8:08 amSDF Louisville Intl-DEN Denver Intl

16h 40m1 stop Tampa St. Petersburg

$313Multiple Airlines

Fri, Sep 11 - Mon, Sep 14

7:43 am - 2:27 pmGJT Grand Junction Regnl-SDF Louisville Intl

4h 44m1 stop Denver Intl

9:00 am - 12:15 pmSDF Louisville Intl-GJT Grand Junction Regnl

5h 15m1 stop Denver Intl

$339United Airlines

Tue, Feb 2 - Wed, Feb 10

5:30 am - 2:27 pmGJT Grand Junction Regnl-SDF Louisville Intl

6h 57m1 stop Denver Intl

5:30 am - 12:15 pmSDF Louisville Intl-GJT Grand Junction Regnl

8h 45m2 stops Chicago O'Hare Intl Denver Intl

$344United Airlines

Tue, Feb 2 - Wed, Feb 10

6:00 am - 2:18 pmCOS Colorado Springs-SDF Louisville Intl

6h 18m1 stop Atlanta Hartsfield-Jackson

5:50 pm - 9:38 pmSDF Louisville Intl-COS Colorado Springs

5h 48m1 stop Atlanta Hartsfield-Jackson

$364Delta

Thu, Sep 3 - Sun, Sep 6

1:09 pm - 9:25 pmGJT Grand Junction Regnl-SDF Louisville Intl

6h 16m1 stop Dallas/Fort Worth

4:18 pm - 10:11 pmSDF Louisville Intl-GJT Grand Junction Regnl

7h 53m1 stop Dallas/Fort Worth

$374American Airlines

Fri, Oct 16 - Sat, Oct 24

6:30 am - 2:07 pmDEN Denver Intl-SDF Louisville Intl

5h 37m1 stop Detroit Metropolitan Wayne County

1:15 pm - 7:05 pmSDF Louisville Intl-DEN Denver Intl

7h 50m1 stop Atlanta Hartsfield-Jackson

$383Delta

Thu, Sep 17 - Tue, Sep 22

12:29 pm - 10:33 pmDEN Denver Intl-SDF Louisville Intl

8h 04m1 stop Chicago O'Hare Intl

1:22 pm - 5:42 pmSDF Louisville Intl-DEN Denver Intl

6h 20m1 stop Dallas/Fort Worth

$383American Airlines

Tue, Sep 22 - Wed, Sep 23

Cheap last minute flights

Enter your travel dates to find the best prices.

10:12 am - 6:33 pmCOS Colorado Springs-SDF Louisville Intl

6h 21m1 stop Dallas/Fort Worth

7:00 pm - 10:53 pmSDF Louisville Intl-COS Colorado Springs

5h 53m1 stop Dallas/Fort Worth

$343American Airlines

Thu, Aug 13 - Sat, Aug 15

10:12 am - 6:33 pmCOS Colorado Springs-SDF Louisville Intl

6h 21m1 stop Dallas/Fort Worth

7:00 pm - 10:53 pmSDF Louisville Intl-COS Colorado Springs

5h 53m1 stop Dallas/Fort Worth

$343American Airlines

Thu, Aug 13 - Sat, Aug 15

7:39 pm - 7:55 pmDEN Denver Intl-SDF Louisville Intl

46h 16m2 stops Appleton Intl Savannah/Hilton Head

9:31 am - 11:10 pmSDF Louisville Intl-DEN Denver Intl

15h 39m1 stop San Francisco

$475Multiple Airlines

Fri, Aug 14 - Fri, Aug 28

3:10 pm - 10:31 pmHDN Hayden Yampa Valley-SDF Louisville Intl

5h 21m1 stop Denver Intl

3:25 pm - 8:24 pmSDF Louisville Intl-HDN Hayden Yampa Valley

6h 59m1 stop Denver Intl

$608United Airlines

Fri, Aug 14 - Sun, Aug 23

3:10 pm - 10:31 pmHDN Hayden Yampa Valley-SDF Louisville Intl

5h 21m1 stop Denver Intl

3:25 pm - 8:24 pmSDF Louisville Intl-HDN Hayden Yampa Valley

6h 59m1 stop Denver Intl

$608United Airlines

Fri, Aug 14 - Sun, Aug 23

2:46 pm - 12:21 pmDEN Denver Intl-SDF Louisville Intl

43h 35m2 stops Cincinnati Cinci./N. Kentucky Myrtle Beach Intl

11:12 am - 10:29 pmSDF Louisville Intl-DEN Denver Intl

13h 17m1 stop Tampa

$637Multiple Airlines

Thu, Aug 13 - Sun, Aug 16

12:50 pm - 5:20 pmDEN Denver Intl-SDF Louisville Intl

2h 30mnonstop

10:40 am - 11:25 amSDF Louisville Intl-DEN Denver Intl

2h 45mnonstop

$772Southwest

Fri, Aug 14 - Fri, Aug 28

12:50 pm - 5:20 pmDEN Denver Intl-SDF Louisville Intl

2h 30mnonstop

7:10 pm - 9:50 pmSDF Louisville Intl-DEN Denver Intl

4h 40m1 stop Chicago Midway

$782Southwest

Fri, Aug 14 - Fri, Aug 28

7:10 am - 8:59 pmDEN Denver Intl-SDF Louisville Intl

11h 49m1 stop New York LaGuardia

6:00 am - 4:14 pmSDF Louisville Intl-DEN Denver Intl

12h 14m1 stop New York LaGuardia

$1,076Delta

Fri, Aug 14 - Wed, Aug 19

7:10 am - 8:59 pmDEN Denver Intl-SDF Louisville Intl

11h 49m1 stop New York LaGuardia

11:45 am - 8:51 pmSDF Louisville Intl-DEN Denver Intl

11h 06m1 stop New York LaGuardia

$1,076Delta

Fri, Aug 14 - Tue, Aug 18

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United Airlines flights from Colorado to Louisville

Our best United Airlines deals on Colorado to Louisville flight tickets

United Airlines

Feb 2

GJT7:43 amGrand Junction Regnl

4h 44m

1 stop

SDF2:27 pmLouisville Intl

Feb 10

SDF9:00 amLouisville Intl

5h 15m

1 stop

GJT12:15 pmGrand Junction Regnl

$339

United Airlines

Feb 2

GJT5:30 amGrand Junction Regnl

6h 57m

1 stop

SDF2:27 pmLouisville Intl

Feb 10

SDF5:30 amLouisville Intl

8h 45m

2 stops

GJT12:15 pmGrand Junction Regnl

$344

United Airlines

Sep 5

DEN9:45 amDenver Intl

2h 44m

SDF2:29 pmLouisville Intl

Sep 6

SDF9:00 amLouisville Intl

5h 45m

1 stop

DEN12:45 pmDenver Intl

$347

American Airlines flights from Colorado to Louisville

Our best American Airlines deals on Colorado to Louisville flight tickets

American Airlines

Aug 13

COS10:12 amColorado Springs

6h 21m

1 stop

SDF6:33 pmLouisville Intl

Aug 15

SDF7:00 pmLouisville Intl

5h 53m

1 stop

COS10:53 pmColorado Springs

$343

American Airlines

Oct 16

GJT1:09 pmGrand Junction Regnl

6h 16m

1 stop

SDF9:25 pmLouisville Intl

Oct 24

SDF4:18 pmLouisville Intl

7h 53m

1 stop

GJT10:11 pmGrand Junction Regnl

$374

American Airlines

Oct 15

COS3:58 pmColorado Springs

5h 29m

1 stop

SDF11:27 pmLouisville Intl

Oct 26

SDF5:49 pmLouisville Intl

7h 42m

1 stop

COS11:31 pmColorado Springs

$437

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Tue 9/22

5:45 pm-10:35 pm

Nonstop2h 50m

Louisville Intl

Wed 9/30

12:10 pm-12:55 pm

Nonstop2h 45m

$299

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Tue 9/15

5:45 pm-10:35 pm

Nonstop2h 50m

Louisville Intl

Sat 9/26

3:55 pm-4:40 pm

Nonstop2h 45m

$299

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Sat 9/5

11:59 pm-10:32 am

1 stop8h 33m

Louisville Intl

Sat 9/12

10:56 am-8:04 am

2 stops47h 08m

$304

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Fri 9/11

10:44 am-10:11 am

2 stops21h 27m

Louisville Intl

Mon 9/14

5:28 pm-8:08 am

1 stop16h 40m

$313

Grand JunctionLouisville

GJT Grand Junction Regnl - SDF Louisville Intl

GJTSDF

Grand Junction Regnl

Tue 2/2

7:43 am-2:27 pm

1 stop4h 44m

Louisville Intl

Wed 2/10

9:00 am-12:15 pm

1 stop5h 15m

$339

Grand JunctionLouisville

GJT Grand Junction Regnl - SDF Louisville Intl

GJTSDF

Grand Junction Regnl

Tue 2/2

5:30 am-2:27 pm

1 stop6h 57m

Louisville Intl

Wed 2/10

5:30 am-12:15 pm

2 stops8h 45m

$344

Colorado SpringsLouisville

COS Colorado Springs - SDF Louisville Intl

COSSDF

Colorado Springs

Thu 9/3

6:00 am-2:18 pm

1 stop6h 18m

Louisville Intl

Sun 9/6

5:50 pm-9:38 pm

1 stop5h 48m

$364

Grand JunctionLouisville

GJT Grand Junction Regnl - SDF Louisville Intl

GJTSDF

Grand Junction Regnl

Fri 10/16

1:09 pm-9:25 pm

1 stop6h 16m

Louisville Intl

Sat 10/24

4:18 pm-10:11 pm

1 stop7h 53m

$374

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Thu 9/17

6:30 am-2:07 pm

1 stop5h 37m

Louisville Intl

Tue 9/22

1:15 pm-7:05 pm

1 stop7h 50m

$383

DenverLouisville

DEN Denver Intl - SDF Louisville Intl

DENSDF

Denver Intl

Tue 9/22

12:29 pm-10:33 pm

1 stop8h 04m

Louisville Intl

Wed 9/23

1:22 pm-5:42 pm

1 stop6h 20m

$383

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of October, then departing from Colorado during the month February is also very affordable. Most momondo users find prices during this month for around $420.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from Colorado is on a Saturday. momondo users have found tickets for Saturday departures for as low as $405. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Colorado to Louisville on a Monday will generally be more expensive and average around $541. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest Colorado to Louisville flights are usually those with departure times in the evening. Our users have found flights to Louisville in the evening for as low as $391. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $504 per ticket.

What is the cheapest Colorado to Louisville Intl flight route?

Fly from Denver Intl to Louisville Intl for the best Colorado - Louisville Intl flight prices

How far in advance should I book a flight from Colorado to Louisville?

You are more likely to see cheaper flights to Louisville from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $484 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Colorado for as low as $392 on momondo.

What cabin class options are available on Colorado to Louisville flights?

There are 3 cabin classes available to choose from on Colorado to Louisville flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Colorado to Louisville flights?

No. A direct flight is the cheapest option for a flight between Colorado to Louisville.

Cheap Colorado to Louisville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Louisville

Best Price Found	$186
Fastest flight time	2h 20m
Direct flights	Every day
Airports in Louisville	1 airport

The best one-way flight to Louisville from Colorado in the past 72 hours is $186. The best round-trip flight deal from Colorado to Louisville found on momondo in the last 72 hours is $431.

The fastest flight from Colorado to Louisville takes 2h 20m

Direct flights go from Colorado to Louisville every day.

There is 1 airport in Louisville. From Colorado there are direct flights to Louisville Intl (SDF).

Search flight deals

Frequently asked questions about flying from Colorado to Louisville

When did momondo last update prices for flights from Colorado to Louisville Intl Airport?
Prices for flights from Colorado to Louisville Intl Airport were last updated today.
How many operators does momondo search for flights from Colorado to Louisville Intl Airport?
As of August 2026, there are 5 operators available to choose from for flights from Colorado to Louisville Intl Airport.
How old do you have to be to fly from Colorado to Louisville Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Colorado to Louisville?
Based on momondo bookings for flights between Colorado and Louisville, the leading plane model is Airbus A319, making up 25.33% of the total bookings. Other popular models include Boeing 737 MAX 8 with 17.11%, Airbus A320-100/200 with 16.45%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 12.83%.

Best airlines flying from Colorado to Louisville

Compare and see reviews for airlines that fly from Colorado to Louisville with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $149	Free Cancellation	Rating 7.8 8,500 reviews	Search Delta flights
JetBlue	PriceFrom $232	Free Cancellation	Rating 7.1 3,031 reviews	Search JetBlue flights
United Airlines	PriceFrom $256	Free Cancellation	Rating 7.4 10,103 reviews	Search United Airlines flights
American Airlines	PriceFrom $272	Free Cancellation	Rating 7.1 11,899 reviews	Search American Airlines flights
Southwest	PriceFrom $276	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights

French Lick

Elizabethtown

Jeffersonville

West Baden Springs

Bardstown

New Albany

Shepherdsville

Elizabeth

Charlestown

Corydon

Brandenburg

Georgetown

Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Louisville?

Finding the right flight to Louisville from Colorado is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Louisville quick and easy, saving you time and money.

Can I find flights from Colorado to Louisville with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Colorado to Louisville flights to just show those with flexible booking policies.

How can momondo help me find flights from Colorado to Louisville?

momondo provides multiple filters to help you find the best flight to Louisville from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Colorado to Louisville right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Colorado to Louisville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Louisville and let you know when they change.

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Airports servicing Kentucky

Lexington Blue Grass Airport

Owensboro Daviess County Airport

Paducah Barkley Regional Airport

Cheap flights from Colorado to Louisville from $133

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Louisville departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Colorado to Louisville

Our best United Airlines deals on Colorado to Louisville flight tickets

American Airlines flights from Colorado to Louisville

Our best American Airlines deals on Colorado to Louisville flight tickets

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How to get the cheapest flight ticket from Colorado to Louisville

What is the cheapest month to fly to Louisville?

What is the cheapest day to depart on your flight to Louisville?

What is the cheapest time of day to depart on your flight to Louisville?

What is the cheapest Colorado to Louisville Intl flight route?

How far in advance should I book a flight from Colorado to Louisville?

What cabin class options are available on Colorado to Louisville flights?

Can stopping save me money on Colorado to Louisville flights?

What is the cheapest airline that flies from Colorado to Louisville Intl?

What airlines fly to Louisville?

How many flights depart from Colorado to Louisville on average per day?

How many flights depart from Colorado to Louisville on average per week?

How long does it take to fly to Louisville?

Cheap Colorado to Louisville flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Louisville

Frequently asked questions about flying from Colorado to Louisville

Best airlines flying from Colorado to Louisville

Compare and see reviews for airlines that fly from Colorado to Louisville with momondo

Traveling to a place near Louisville?

Why use momondo?

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Kentucky

Fly your favorite airline to Louisville

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Louisville

List of cabin classes available on flights landing in Louisville. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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