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CA $289 Cheap Flights from Denver (DEN) to Louisville (SDF)

View CA $289 flight on Wed, Oct 7, 2026Opens in a new window

Popular airlines from Denver International Airport (DEN) to Louisville International Airport (SDF)

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Cheap flights from Denver (DEN) to Louisville (SDF)

Prices were available within the past 7 days and start at CA $289 for one-way flights and CA $578 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Oct 7 - Thu, Oct 8
DEN
Denver
SDF
Louisville
CA $578 Roundtrip, found 23 hours ago
CA $578
Roundtrip
found 23 hours ago
Select Delta flight, departing Wed, Oct 7 from Denver to Louisville, returning Thu, Oct 8, priced at CA $578 found 23 hours ago
American Airlines
Wed, Oct 7 - Thu, Oct 8
DEN
Denver
SDF
Louisville
CA $579 Roundtrip, found 23 hours ago
CA $579
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Oct 7 from Denver to Louisville, returning Thu, Oct 8, priced at CA $579 found 23 hours ago
Delta
Wed, Oct 7 - Thu, Oct 8
DEN
Denver
SDF
Louisville
CA $579 Roundtrip, found 23 hours ago
CA $579
Roundtrip
found 23 hours ago
Select Delta flight, departing Wed, Oct 7 from Denver to Louisville, returning Thu, Oct 8, priced at CA $579 found 23 hours ago
American Airlines
Thu, Sep 24 - Sat, Sep 26
DEN
Denver
SDF
Louisville
CA $579 Roundtrip, found 3 days ago
CA $579
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Sep 24 from Denver to Louisville, returning Sat, Sep 26, priced at CA $579 found 3 days ago
American Airlines
Thu, Sep 24 - Sat, Sep 26
DEN
Denver
SDF
Louisville
CA $580 Roundtrip, found 3 days ago
CA $580
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Sep 24 from Denver to Louisville, returning Sat, Sep 26, priced at CA $580 found 3 days ago
American Airlines
Wed, Oct 7 - Thu, Oct 8
DEN
Denver
SDF
Louisville
CA $591 Roundtrip, found 23 hours ago
CA $591
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Oct 7 from Denver to Louisville, returning Thu, Oct 8, priced at CA $591 found 23 hours ago
American Airlines
Wed, Oct 7 - Thu, Oct 8
DEN
Denver
SDF
Louisville
CA $603 Roundtrip, found 23 hours ago
CA $603
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Oct 7 from Denver to Louisville, returning Thu, Oct 8, priced at CA $603 found 23 hours ago
American Airlines
Wed, Oct 7 - Thu, Oct 8
DEN
Denver
SDF
Louisville
CA $604 Roundtrip, found 23 hours ago
CA $604
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Oct 7 from Denver to Louisville, returning Thu, Oct 8, priced at CA $604 found 23 hours ago
United
Wed, Oct 7 - Thu, Oct 8
DEN
Denver
SDF
Louisville
CA $670 Roundtrip, found 23 hours ago
CA $670
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Oct 7 from Denver to Louisville, returning Thu, Oct 8, priced at CA $670 found 23 hours ago
Southwest Airlines
Wed, Oct 7 - Thu, Oct 8
DEN
Denver
SDF
Louisville
CA $1,008 Roundtrip, found 23 hours ago
CA $1,008
Roundtrip
found 23 hours ago
Select Southwest Airlines flight, departing Wed, Oct 7 from Denver to Louisville, returning Thu, Oct 8, priced at CA $1,008 found 23 hours ago

Alternative airports near Louisville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Louisville Intl. SDF. Cheapest and Closest option available. Average driving time to city centre is 9 minutes. Flights from CA $686
SDF
Louisville Intl.
CheapestClosest
Average driving time to city centre9 min
Flights from CA $686

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.) cost?
You can find one-way and return flights from DEN to SDF with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when DEN to SDF ticket fares go up or down.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
August is typically the cheapest month to fly from Denver International Airport (DEN) to Louisville International Airport (SDF), with average return fares around CA$537. August often sees lower prices as it falls outside of peak summer travel for many, and before the holiday season, when demand tends to decrease. Other budget-friendly months to consider for this route include June and September.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
There are 2 airlines offering direct flights from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.). Here are the carriers:
  • United operates 16 direct flights from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.) every week.
  • Southwest Airlines operates 7 direct flights from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.) every week.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
United is one of the cheapest airlines offering nonstop return flights from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.), with tickets starting from around CA$200 for flights that can be booked for departure within the next year. For connecting flights, American Airlines is one of the cheapest, with return tickets starting from about CA$534. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The best airline to fly with from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Southwest Airlines offers the most daily flights from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The cheapest months to fly from Denver (DEN) to Louisville (SDF) are typically August and June, with average return flights around CA$537. These months can offer a good balance of more affordable fares, allowing you to save on your trip.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
You'll find approximately 3 nonstop flights per day from Denver Intl. (DEN) to Louisville Intl. (SDF). For even more choices, look at flights that include layovers, as there are around 122 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Dallas-Fort Worth Intl. (DFW).
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The earliest flight from Denver International Airport (DEN) to Louisville International Airport (SDF) typically departs around 12:20 AM local time. This flight is operated by Delta and is a seasonal service, active in January and December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
You'll typically find the most flights from Denver International Airport (DEN) to Louisville International Airport (SDF) on a Friday, with around 71 flights available. This gives you a good selection of options if you're planning to travel at the end of the week. Major airlines on this route include Southwest Airlines, United, and American Airlines. Flight options on Fridays are notably more plentiful compared to other days of the week, offering you greater flexibility.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The most popular departure times for flights from Denver Intl. (DEN) to Louisville Intl. (SDF) are between 9am and 12pm. Many major carriers, including United, American Airlines and Southwest Airlines, offer flights during this window. Many travellers prefer these morning flights as they allow you to arrive at your destination with plenty of time to settle in or start your day.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
A nonstop flight from Denver International Airport (DEN) to Louisville International Airport (SDF) typically takes around 2 hours 48 minutes. This route covers a distance of approximately 1,643 kilometers (1,021 miles). If you opt for a one-stop flight, your travel time will be longer, usually around 6 hours 30 minutes. Flights with two or more stops take even longer, averaging about 8 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
Yes, you can fly business class or first class between DEN and SDF. You can fly business class with Delta.First class cabins are available on United, Delta, and American Airlines.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Louisville, KY (SDF) from Denver, CO (DEN)?
If you're planning to travel to Louisville from Denver Intl. (DEN), you can fly directly into Louisville Intl. (SDF). Some flights may connect through major hubs like Eppley Field (OMA), Love Field (DAL), or Kansas City Intl. (MCI) before reaching Louisville. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Louisville, KY (SDF-Louisville Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
CA $577
Distance
1633 km
Average flight time
4 hours 40 mins

Book with confidence

Denver to Louisville Flights

The easy way to book your flights from Denver to Louisville 

With Expedia, it’s simple to find and book flights to Louisville from Denver whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Louisville Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Denver to Louisville today, tomorrow, or this week.  

 

Save dollars with cheap flights from Denver Intl., DEN to Louisville Intl., SDF 

Sort your search results by price to find great deals on your flight from Denver to Louisville—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Louisville from Denver currently is just CA $578 rising to CA $1,008.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Louisville  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Louisville from Denver 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Louisville with Expedia today.

Denver to Louisville Flights

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*Available to Expedia members.