SDF - DEN

$132 Find Cheap Flights from Louisville to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Denver departing on 6/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Denver

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Louisville to Denver, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Louisville to Denver, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$277
Typical prices: $497-$395
Southwest
Wed 6/3Wed 6/10
SDF - DEN • Non-stop
Cheapest one-way
$132
Typical prices: $213-$372
Multiple Airlines
Mon 6/8
SDF - DEN • 2 stops
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
United's Economy Plus adds six inches of legroom.
Southwest allows two free checked bags up to 50 lbs.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from $277 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
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Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with Southwest and United Airlines. Average duration is 2h 56m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top layover airports
Cheapest • Avg $199 (round-trip)
Shortest trip • 5h 15m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 57% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 11% price drop
Most popular
Good to know
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+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Denver!
Flight Deals
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Flight Deals

Cheap Flights from Louisville to Denver (SDF-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Louisville to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to Denver

Wed, Jun 3 - Wed, Jun 10
Southwest Logo
6:40 pm - 7:30 pm
SDF
-
DEN
2h 50mnonstop
Southwest Logo
7:40 pm - 12:15 am
DEN
-
SDF
2h 35mnonstop
$277Southwest
Wed, Jun 3 - Wed, Jun 10
Southwest Logo
7:15 pm - 10:35 pm
SDF
-
DEN
5h 20m
1 stop
Southwest Logo
7:40 pm - 12:15 am
DEN
-
SDF
2h 35mnonstop
$287Southwest
Wed, Jun 3 - Wed, Jun 10
Southwest Logo
8:25 am - 3:05 pm
SDF
-
DEN
8h 40m
2 stops
Southwest Logo
7:40 pm - 12:15 am
DEN
-
SDF
2h 35mnonstop
$292Southwest
Sat, Jun 6 - Wed, Jun 17
Southwest Logo
2:55 pm - 3:40 pm
SDF
-
DEN
2h 45mnonstop
Southwest Logo
7:40 pm - 12:15 am
DEN
-
SDF
2h 35mnonstop
$296Southwest
Wed, Jun 10 - Wed, Jun 17
Delta Logo
12:38 pm - 3:38 pm
SDF
-
DEN
5h 00m
1 stop
Delta Logo
3:15 pm - 12:32 am
DEN
-
SDF
7h 17m
1 stop
$297Delta
Wed, Jun 3 - Tue, Jun 9
Southwest Logo
3:30 pm - 7:10 pm
SDF
-
DEN
5h 40m
1 stop
Southwest Logo
12:40 pm - 10:30 pm
DEN
-
SDF
7h 50m
2 stops
$302Southwest
Sat, Jun 6 - Tue, Jun 9
Southwest Logo
12:30 pm - 5:00 pm
SDF
-
DEN
6h 30m
1 stop
Southwest Logo
7:40 pm - 12:15 am
DEN
-
SDF
2h 35mnonstop
$306Southwest
Wed, Jun 3 - Tue, Jun 9
Southwest Logo
12:10 pm - 7:30 pm
SDF
-
DEN
9h 20m
2 stops
Southwest Logo
12:40 pm - 10:30 pm
DEN
-
SDF
7h 50m
2 stops
$307Southwest
Wed, Jun 3 - Wed, Jun 10
Southwest Logo
12:10 pm - 7:30 pm
SDF
-
DEN
9h 20m
2 stops
Southwest Logo
7:25 pm - 10:10 am
DEN
-
SDF
12h 45m
1 stop
$308Southwest
Sat, Jun 6 - Tue, Jun 16
Multiple Airlines Logo
9:21 am - 12:38 am
SDF
-
DEN
17h 17m
1 stop
Multiple Airlines Logo
12:18 pm - 11:30 am
DEN
-
SDF
21h 12m
2 stops
$310Multiple Airlines
Booking Insights

KAYAK's insights & trends for Louisville to Denver flights

Get data-powered insights and trends into flights from Louisville to Denver to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Louisville to Denver?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Louisville to Denver departing in June.

What’s the cheapest day of the week to fly from Louisville to Denver?

The average price of all round-trip flights from Louisville to Denver clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Denver on a Wednesday and more expensive on a Sunday. On your return trip to Louisville, you should consider flying back on a Thursday, and avoid Mondays for better deals.

What is the cheapest month to fly from Louisville to Denver?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Louisville to Denver, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Louisville to Denver is August, where tickets cost $382 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $498 and $467 respectively.

Can I save money by flying with a layover from Louisville to Denver?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $447 on average.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Louisville to Denver, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Louisville to Denver, you should book around 4 weeks before departure, which saves you about 57% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Expert advice

Expert advice for your flight from Louisville to Denver

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low seasonFebruary
Cheapest flight$132
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 8% increase in price.
Flight from Louisville to Denver

When to book flights from Louisville to Denver

Are your dates flexible? Find out the best times to travel from Louisville to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Louisville to Denver

  • Are there wheelchair accessible services in Louisville International Airport?

    There are wheelchair accessible services in Louisville International Airport. The airport has an Americans with Disabilities Act (ADA) coordinator who is responsible for ensuring that all airport facilities, services, and programs are accessible to people with disabilities.

  • Are there pet relief areas at Denver International Airport?

    Yes, there are pet relief areas at Denver International Airport. There are three options for pet relief areas: indoor, outdoor, and on-leash. The indoor pet relief area is located in the main terminal on the west side of the building near the baggage claim area. The outdoor pet relief area is located on the north side of the building near the parking garage. The on-leash pet relief area is located on the south side of the building near the employee parking lot.

  • Are there lounges in Denver International Airport?

    The various options are as follows. The United Club is located in Concourse C near Gate C37. It offers a variety of amenities including complimentary snacks and beverages, Wi-Fi, TV, and more. The American Airlines Admirals Club is located in Concourse B near Gate B50. The Delta Sky Club is located in Concourse A near Gate A21. It offers a variety of amenities including complimentary snacks and beverages, Wi-Fi, TV, and more.

  • How do you get from the Denver International Airport to the city center?

    The best way to get from the Denver International Airport (DEN) to the city center is by taking the A Line train. The A Line runs every 15min and takes about 37min to reach Denver Union Station. Other options include taking a bus or taxi, but these are generally more expensive and take longer.

  • What is the cheapest flight from Louisville to Denver?

    In the last 3 days, the lowest price for a flight from Louisville to Denver was $132 for a one-way ticket and $277 for a round-trip.

  • Do I need a passport to fly between Louisville and Denver?

    No, a passport isn't needed to fly from Louisville to Denver. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Louisville to Denver?

    Louisville airport is called Louisville Intl and the only airport in Denver is Denver Intl.

  • Which airlines offer Wi-Fi service onboard planes from Louisville to Denver?

    JetBlue, American Airlines, and Delta offer inflight Wi-Fi service on the Louisville to Denver flight route.

  • Which aircraft models fly most regularly from Louisville to Denver?

    The Airbus A319 is the aircraft model that flies most regularly on the Louisville to Denver flight route.

  • Which airline alliances offer flights from Louisville to Denver?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Louisville and Denver, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Louisville to Denver?

    There are nonstop flights from Louisville to Denver on a daily basis.

  • Which is the best airline for flights from Louisville to Denver, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Louisville to Denver are Southwest and Delta. With an average price for the route of $439 and an overall rating of 7.9, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $396 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Louisville to Denver?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Louisville to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Louisville to Denver?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Louisville is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Louisville to Denver?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Denver with an airline and back to Louisville with another airline. Booking your flights between Louisville and DEN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Louisville to Denver?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Louisville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Louisville to Denver

  • Looking for a cheap flight? 25% of our users found flights on this route for $225 or less one-way and $440 or less round-trip.
  • There are a variety of services and amenities that are available for passengers in Strandiford Field International Airport Louisville (SDF). These include restaurants, shops, and other amenities.
  • There are a few options for getting from the city center to Louisville International Airport in Kentucky. You could take a bus, taxi, or ride-sharing service like Uber or Lyft. You could also rent a car, but this may be more expensive than the other options. If you are flying into Louisville, you may be able to find a hotel that offers a shuttle service to and from the airport.
  • Luggage services are available at the Louisville International Airport in Kentucky. There are a number of companies that offer a variety of services, including luggage storage, luggage shipping, and luggage repair.
  • There are car rentals available at Denver International Airport (DEN). The options include renting a car from the airport, or using a ride sharing service such as Uber or Lyft. There are also a number of car rental companies that have locations in the city center, such as Enterprise, Hertz, and Avis.
  • There are not currently any pet relief areas in Strandiford Field International Airport Louisville. However, there are a lot of pet-friendly services within the airport to ensure that your travel here is comfortable with your fluffy friend.

Prefer to fly direct from Louisville to Denver?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Louisville Intl to Denver Intl.
Find which airlines fly direct from Louisville Intl Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Louisville Intl to Denver Intl

Monday

Southwest,United Airlines

Southwest,United Airlines

Tuesday

Southwest,United Airlines

Southwest,United Airlines

Wednesday

Southwest,United Airlines

Southwest,United Airlines

Thursday

Southwest,United Airlines

Southwest,United Airlines

Friday

Southwest,United Airlines

Southwest,United Airlines

Saturday

Southwest,United Airlines

Southwest,United Airlines

Sunday

Southwest,United Airlines

Southwest,United Airlines

See more direct flights

Direct returns

Denver Intl to Louisville Intl

Monday

Southwest,United Airlines

Southwest,United Airlines

Tuesday

Southwest,United Airlines

Southwest,United Airlines

Wednesday

Southwest,United Airlines

Southwest,United Airlines

Thursday

Southwest,United Airlines

Southwest,United Airlines

Friday

Southwest,United Airlines

Southwest,United Airlines

Saturday

Southwest,United Airlines

Southwest,United Airlines

Sunday

Southwest,United Airlines

Southwest,United Airlines

See more direct flights

Reviews of the top 4 airlines serving from Louisville to Denver

 
See real verified KAYAK customer reviews for airlines flying from Louisville to Denver. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Louisville to Denver? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
SouthwestOverall score based on 4307 reviews
7.5Entertainment
8.6Crew
8.0Comfort
7.0Food
8.1Boarding
Airline reviews

Not having a five hour delay with little notice! The crew was very kind, though, and just as tired as we passengers were. The flight didn't depart until nearly 1 am...and no reason was ever given.

2.0 MediocreAnonymous, May 2026
SEA - SMF
Read more Southwest reviews

Not having a five hour delay with little notice! The crew was very kind, though, and just as tired as we passengers were. The flight didn't depart until nearly 1 am...and no reason was ever given.

The entire experience from boarding to landing was amazing! The crew were very friendly. Will definitely be back.

no service at all due to turbulence. they should've at least given us snacks, there were only 10 people on the entire flight.

First time I've had to use the disabled accommodations. And I could not have had a better experience with Southwest, i was having trouble getting from one terminal to another due to my heart failure. And the next thing I know a Southwest agent had made sure. I had a wheelchair at all my flights. Can't thank them enough.

Delayed flight, lack of information, boarding process is a mess as is the carryon luggage causing issues when leaving the plane….just a poor experience.

Comfortable. Easy. No problems. Just wish they had gf options for snacks.

The crew was very kind and made going to Hawaii relaxing and fun to look forward to! Thank you Southwest for a pleasant flight!

This leg was much better, but we did have to have a 3 hour lay o er after coming from a very exhausting hiccup with our flight from BNA to Den

We waited in the airplane for over 45 min for a southwest employee to make the flight. This cause over half the plane to miss their connecting flight in Denver. When we confronted the desk upon arrival, they told us the only flight they had was the next day leaving at 8:50 pm!!! Or they offered to get us to Burbank or LA, but after that we were on our own to get back to Santa Barbara. I paid for a flight from sba to bna bna to sba. My re entry into mom mode has been 💯 rough because of southwest mistake with my flight. And now I’m leaving to Reno tomorrow for a vballl tournament and just discovered that my leg in Vegas has me and my 3 kids on a stand by flight even though I had booked these ticket last year November!! Do better southwest!

Southwest is kind of a slum airline. It’s gotten more expensive over the years for less and less service. I am a Southwest Chase Visa card holder and was forced to choose a seat in the 26th row in the middle seat. However my wife who is a rewards member but doesn’t hold a card or anything else, gets randomly assigned a normally paid seat in row 6! How does that work?

Seats in Delta Main are unbelievably close to the seat in front of. Hard to get a backpack under the seat.

The agent at check in and at the gate were less than thrilled to be at work. I'm not a fan of Kayak's placement on the plane. I got put in the middle seat and none of my preferences were used.

In ATL they have two sets of departure screens. Follow what is on your airline's departure board - the ATL Airport Authority departure board had completely incorrect details about the gate assignment for my flight, which would have made me miss boarding.

Flight was delayed it was hot while sitting on the plane, one engine was working on the plane until they had to do some jimmy rigging down the runway in order for the other engine to charge up. It was ridiculous

The flight was very good and the staff was very friendly and helpful!

The only thing I would say is we tried to get on a standby earlier flight, but with our fair we couldn’t. That seems senseless to leave with open seats..

Very easy to use and convenient, you can perform any action within the same portal

In a world of delays, Delta was on time both ways! Boarding was fast and efficient. Staff was friendly. AND wifi worked.

WiFi didn’t work. Flight delayed 3 hours Crew members were illiterate Seat lean back did not work.

Flight was delayed, we could have been notified earlier and in a consistent manner. App was not refreshing for another passenger to get the latest flight status. We could have stayed and waited at the hotel instead of waiting at the airport had we known the flight was going to delayed for more than 5 hours. The toilet is too tight, and needs to be cleaned more frequently (every hour). The entertainment screen froze, the touch screen not responding to touch. We were upgraded to comfort, it is more comfortable than regular economy seats.

Booked through Kayak Business, had a seat in middle and towards back due to booking rate, not comfortable.

They told us yesterday APR21st that they were cleaning the plane and we got delayed. After that they said they didn't had any crew for the flight so they cancelled the flight till next day.

The flight crew on this leg of my trip was very friendly and pleasant. Every one of them was humorous, as well as helpful and accommodating. This group was BY FAR the best crew I’ve flown with. They deserve kudos.

The entertainment options on the seat back video boards were nice.

The boarding process was straightforward. One pertinent observation regarding all boarding procedures is that if an individual requires assistance or possesses a special status and is part of preboarding, it is advisable to limit the number of passengers who can preboard with them, rather than the entire, sometimes large, companion groups. The seats are uncomfortable, and the entertainment options are significantly inferior compared to other airlines. During the snack service, I requested an additional bag of snacks, but my request was denied. Initially, the flight attendant agreed to my request.becoming a strange accurate moment. The flight duration was four hours.

I had a cancelled flight because of technical issues going to my destination, and a delayed flight coming home. All told it wasn’t a total bust.

During landing. 2 crew members passed 3 times by my lane and didn't notice that people in front of us had their site to the furthermore reclined... That was uncomfortable and could have been dangerous.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

It’s always a great time flying with united airlines.

We got delayed three hours and nobody thought to have the bathroom fixed while we were sitting waiting to board? took a full hour to have maintenance come and check it off. Had to shut the bathroom down twice so that the pilots could go to the bathroom. Everyone missed their connections.

not sure why you ask about food, I n3ver get food on flights except maybe cookies or pretzels. wifi was slow and in and out most of the flight not good.

Cancelled BOYH legs of our flight home 30 min before initial boarding

Cancelled the flight half hour before boarding. Then cancelled the connecting flight too.

Left early arrived early..right amount of talking from pilots..of course had to love the biscuit and water!

I would like a refund for the extra cost the seat I paid for. An oversized person sat next to me and I couldn’t fit on my seat and had to move to another seat.

Boarding gate at LAX was too crowded—two gates next to one another

The flight was delayed about an hour for a maintenance specialist to approve the maintenance repair

This flight was delayed but it worked in my favor because my Atlanta to Dallas flight was delayed.

This was a hard flight. 3 delays out of OKC (1 on the Tarmac). Delay in Atlanta coming to Dallas. total travel time was the equivalent of driving from OKC to Atlanta.

Like: flights are on time, good boarding process Can improve: planes are old, improve entertainment and make space more comfortable

Everything you need to know for your flight from Louisville to Denver

Information on your arrival and departure airports