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

21 flights are operational weekly from Louisville to Denver as of November 2025. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

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

American Airlines is the most popular carrier operating from Louisville Intl to Denver Intl

What airlines fly to Denver?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from Louisville according to our data. Frontier is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

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

As of November 2025, 3 flights take off from Louisville and land in Denver each day. The most common flight departure time for this route is 3:00PM, with 72% of daily flights taking off in the afternoon.

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

Prices for flights from Louisville Intl Airport to Denver Intl Airport are updated daily.

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

As of November 2025, there are 4 operators available to choose from for flights from Louisville Intl Airport to Denver Intl Airport.

How old do you have to be to fly from Louisville Intl Airport to Denver 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 Louisville Intl Airport to Denver Intl Airport.

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

The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$88 Cheap Flights from Louisville to Denver in 2025/26

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1:55 pm - 11:04 pmSDF-DEN

11h 09m1 stop

11:59 pm - 2:33 pmDEN-SDF

12h 34m2 stops

$210Multiple Airlines

Find Deal

Fri, Jan 23 - Mon, Jan 26

3:28 pm - 10:08 amSDF-DEN

20h 40m2 stops

4:50 pm - 1:00 pmDEN-SDF

18h 10m1 stop

$216Multiple Airlines

Find Deal

Tue, Jan 13 - Thu, Jan 22

8:07 am - 11:16 pmSDF-DEN

17h 09m1 stop

12:28 pm - 11:19 pmDEN-SDF

8h 51m1 stop

$263American Airlines

Find Deal

Tue, Jan 27 - Tue, Feb 3

8:07 am - 11:16 pmSDF-DEN

17h 09m1 stop

4:30 pm - 12:27 pmDEN-SDF

17h 57m1 stop

$272American Airlines

Find Deal

Wed, Jan 21 - Mon, Jan 26

6:00 am - 7:15 amSDF-DEN

3h 15mnonstop

4:45 pm - 9:10 pmDEN-SDF

2h 25mnonstop

$377Southwest

Find Deal

Wed, Jan 21 - Mon, Jan 26

8:29 am - 4:34 pmSDF-DEN

10h 05m1 stop

9:40 am - 8:28 pmDEN-SDF

8h 48m1 stop

$382United Airlines

Find Deal

Tue, Jan 13 - Sat, Jan 17

12:37 pm - 3:39 pmSDF-DEN

5h 02m1 stop

4:15 pm - 11:08 pmDEN-SDF

4h 53m1 stop

$383Delta

Find Deal

Wed, Dec 3 - Tue, Dec 9

4:56 pm - 8:07 pmSDF-DEN

5h 11m1 stop

12:30 am - 9:28 amDEN-SDF

6h 58m1 stop

$397Delta

Find Deal

Mon, Jan 19 - Mon, Jan 19

6:05 am - 7:00 amSDF-DEN

2h 55mnonstop

8:05 am - 2:45 pmDEN-SDF

4h 40m1 stop

$401Southwest

Find Deal

Thu, Dec 4 - Mon, Dec 8

8:00 am - 9:12 amSDF-DEN

3h 12mnonstop

5:45 pm - 10:24 pmDEN-SDF

2h 39mnonstop

$405United Airlines

Find Deal

Wed, Dec 24 - Sat, Dec 27

American Airlines flights from Louisville to Denver

Our best American Airlines deals on Louisville to Denver flight tickets

American Airlines

Jan 27

SDF8:07 amLouisville Intl

17h 09m

1 stop

DEN11:16 pmDenver Intl

Feb 3

DEN12:28 pmDenver Intl

8h 51m

1 stop

SDF11:19 pmLouisville Intl

$263

Find similar

American Airlines

Jan 21

SDF8:07 amLouisville Intl

17h 09m

1 stop

DEN11:16 pmDenver Intl

Jan 26

DEN4:30 pmDenver Intl

17h 57m

1 stop

SDF12:27 pmLouisville Intl

$272

Find similar

American Airlines

Dec 6

SDF1:02 pmLouisville Intl

12h 19m

1 stop

DEN11:21 pmDenver Intl

Dec 8

DEN7:26 amDenver Intl

12h 34m

1 stop

SDF10:00 pmLouisville Intl

$331

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Southwest flights from Louisville to Denver

Our best Southwest deals on Louisville to Denver flight tickets

Southwest

Jan 21

SDF6:00 amLouisville Intl

3h 15m

DEN7:15 amDenver Intl

Jan 26

DEN4:45 pmDenver Intl

2h 25m

SDF9:10 pmLouisville Intl

$377

Find similar

Southwest

Dec 4

SDF6:05 amLouisville Intl

2h 55m

DEN7:00 amDenver Intl

Dec 8

DEN8:05 amDenver Intl

4h 40m

1 stop

SDF2:45 pmLouisville Intl

$401

Find similar

Southwest

Dec 3

SDF6:05 amLouisville Intl

2h 55m

DEN7:00 amDenver Intl

Dec 12

DEN6:35 amDenver Intl

7h 20m

2 stops

SDF3:55 pmLouisville Intl

$420

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Fly to

Route

Depart

Return

Price

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Fri 1/23

1:55 pm-11:04 pm

1 stop11h 09m

Denver Intl

Mon 1/26

11:59 pm-2:33 pm

2 stops12h 34m

$210

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Tue 1/13

3:28 pm-10:08 am

2 stops20h 40m

Denver Intl

Thu 1/22

4:50 pm-1:00 pm

1 stop18h 10m

$216

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Tue 1/27

8:07 am-11:16 pm

1 stop17h 09m

Denver Intl

Tue 2/3

12:28 pm-11:19 pm

1 stop8h 51m

$263

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Wed 1/21

8:07 am-11:16 pm

1 stop17h 09m

Denver Intl

Mon 1/26

4:30 pm-12:27 pm

1 stop17h 57m

$272

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Wed 1/21

6:00 am-7:15 am

Nonstop3h 15m

Denver Intl

Mon 1/26

4:45 pm-9:10 pm

Nonstop2h 25m

$377

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Tue 1/13

8:29 am-4:34 pm

1 stop10h 05m

Denver Intl

Sat 1/17

9:40 am-8:28 pm

1 stop8h 48m

$382

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Wed 12/3

12:37 pm-3:39 pm

1 stop5h 02m

Denver Intl

Tue 12/9

4:15 pm-11:08 pm

1 stop4h 53m

$383

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Mon 1/19

4:56 pm-8:07 pm

1 stop5h 11m

Denver Intl

Mon 1/19

12:30 am-9:28 am

1 stop6h 58m

$397

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Thu 12/4

6:05 am-7:00 am

Nonstop2h 55m

Denver Intl

Mon 12/8

8:05 am-2:45 pm

1 stop4h 40m

$401

LouisvilleDenver

SDF - DEN

SDFDEN

Louisville Intl

Wed 12/24

8:00 am-9:12 am

Nonstop3h 12m

Denver Intl

Sat 12/27

5:45 pm-10:24 pm

Nonstop2h 39m

$405

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How to get the cheapest flight ticket from Louisville to Denver

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

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Other information

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Louisville is in April. Flight prices, which tend to average around $387, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in April, then you should wait until August to fly from Louisville, when ticket prices are also cheap, with an average price of $387.

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

The cheapest day to depart on your flight to Denver is on a Tuesday when prices can be found for as low as $444. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $513.

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

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $434. Flights at noon are often more expensive with an average ticket price of $501.

What is the cheapest Louisville Intl to Denver Intl flight route?

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

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $422 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Louisville for as low as $357 on momondo.

What cabin class options are available on Louisville Intl to Denver Intl flights?

There are 4 cabin classes available to choose from on Louisville Intl to Denver Intl 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 Louisville to Denver flights?

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

How have Louisville to Denver flight prices changed over time?

As of November 2025, prices for Louisville to Denver flights are approximately 36% more expensive when compared to flights at the same time last year.

When to book flights from Louisville to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Denver (SDF to DEN) flight deals and tips

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

Best Price Found	$243
Fastest flight time	2h 50m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Louisville in the past 72 hours is $243. The best round-trip flight deal from Louisville to Denver found on momondo in the last 72 hours is $346.

The fastest flight from Louisville to Denver takes 2h 50m

Direct flights go from Louisville to Denver every day.

There is 1 airport near Denver: Denver Intl (DEN)

Search flight deals

How far is Louisville Intl to Denver Intl by plane?
Louisville Intl and Denver Intl are 1035.1 mi apart from one another. By plane, this route typically takes 2h 55m.
When did momondo last update prices for flights from Louisville Intl Airport to Denver Intl Airport?
Prices for flights from Louisville Intl Airport to Denver Intl Airport are updated daily.
How many operators does momondo search for flights from Louisville Intl Airport to Denver Intl Airport?
As of November 2025, there are 4 operators available to choose from for flights from Louisville Intl Airport to Denver Intl Airport.
How old do you have to be to fly from Louisville Intl Airport to Denver 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 Louisville Intl Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Louisville to Denver?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Louisville to Denver is Airbus A320-100/200 (31.20% of total bookings). The next most popular plane models are Boeing 737-700 Passenger/BBJ1 (winglets) (24.23%), Airbus A319 (16.99%), and Boeing 737-800 Passenger/BBJ2 (winglets) (7.24%).
What is the most popular airline from Louisville to Denver?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Denver is United Airlines (67% of total bookings). The next most popular airlines are Southwest (26%), Delta (3%), and American Airlines (3%).

Best airlines flying from Louisville to Denver

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $175	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
United Airlines	PriceFrom $264	Free Cancellation	Rating 7.4 9,012 reviews	Search United Airlines flights
Southwest	PriceFrom $268	Free Cancellation	Rating 8.0 4,235 reviews	Search Southwest flights

Southwest Flights From Louisville to Denver
The lowest priced Southwest flight from Louisville to Denver from the last 72 hours was $268. Generally, Southwest has 5 flights on this route every week with an average price of $426. Southwest is rated 8.0/10 by our users.
United Airlines Flights From Louisville to Denver
$264 is the best United Airlines flight deal from Louisville to Denver found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $427, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,012 user reviews) flies into Denver from Louisville 11 times in an average week so prices can vary.

Breckenridge

Estes Park

Black Hawk

Aurora

Fort Collins

Keystone

Cripple Creek

Manitou Springs

Longmont

Boulder

Greeley

Lakewood

Thornton

Westminster

Winter Park

Copper Mountain

Silverthorne

Frisco

Centennial

Grand Lake

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Denver for you.

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

All flight searches from Louisville to Denver on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Denver from Louisville.

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

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

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Cheap flights from Louisville to Denver from $88

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Denver departing on 1/12. 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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American Airlines flights from Louisville to Denver

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How to get the cheapest flight ticket from Louisville to Denver

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

What is the cheapest month to fly to Denver?

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

The cheapest day to depart on your flight to Denver is on a Tuesday when prices can be found for as low as $444. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $513.

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

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $434. Flights at noon are often more expensive with an average ticket price of $501.

What is the cheapest Louisville Intl to Denver Intl flight route?

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

How far in advance should I book a flight to Denver?

What cabin class options are available on Louisville Intl to Denver Intl flights?

There are 4 cabin classes available to choose from on Louisville Intl to Denver Intl 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 Louisville to Denver flights?

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

How have Louisville to Denver flight prices changed over time?

As of November 2025, prices for Louisville to Denver flights are approximately 36% more expensive when compared to flights at the same time last year.

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

American Airlines is the most popular carrier operating from Louisville Intl to Denver Intl

What airlines fly to Denver?

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

As of November 2025, 3 flights take off from Louisville and land in Denver each day. The most common flight departure time for this route is 3:00PM, with 72% of daily flights taking off in the afternoon.

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

21 flights are operational weekly from Louisville to Denver as of November 2025. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

When to book flights from Louisville to Denver

Cheap Louisville to Denver (SDF to DEN) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

How far is Louisville Intl to Denver Intl by plane?

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

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

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

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

What is the most popular plane model from Louisville to Denver?

What is the most popular airline from Louisville to Denver?

Best airlines flying from Louisville to Denver

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

Southwest Flights From Louisville to Denver

United Airlines Flights From Louisville to Denver

Traveling to a place near Denver?

Why use momondo?

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

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

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

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

An easier way to manage your Denver 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 Colorado