HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$48+ Cheap flights from Raleigh to Louisville (RDU - SDF)

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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SDF
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Raleigh to Louisville 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.

Cheapflights Tip: The best prices from Raleigh-Durham to Louisville Intl are usually found in April or July, booked 66 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Raleigh to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$113
(Breeze Airways)

One-way from

$48
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$356

Good round-trip deal

$177 or less

Good one-way deal

$99 or less
Provider with most accurate pricing for Raleigh-Durham-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Louisville Intl flights.
Search Deals
From Raleigh-Durham to Louisville Intl
Search Deals
One-way flight from Raleigh-Durham to Louisville Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Raleigh-Durham to Louisville Intl.
Search Deals
Price to beat on a one-way flight from Raleigh-Durham to Louisville Intl.
Search Deals

Find flight deals from Raleigh to Louisville

Cheapest flights from Raleigh to Louisville
Explore the most affordable flight options available from Raleigh to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Breeze Airways deal was found by Cheapflights users on 11/6. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:43 pmRDU - SDF
Nonstop1h 32mBreeze Airways
Sun 12/72:55 pmSDF - RDU
Nonstop1h 28mBreeze Airways
Deal found 11/6$113
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2312:43 pmRDU - SDF
Nonstop1h 32mBreeze Airways
Thu 12/43:55 pmSDF - RDU
Nonstop1h 28mBreeze Airways
Deal found 11/6$127
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/712:43 pmRDU - SDF
Nonstop1h 32mBreeze Airways
Sun 12/142:55 pmSDF - RDU
Nonstop1h 28mBreeze Airways
Deal found 11/6$132
This Breeze Airways deal was found by Cheapflights users on 11/4. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:43 pmRDU - SDF
Nonstop1h 32mBreeze Airways
Sun 11/232:55 pmSDF - RDU
Nonstop1h 28mBreeze Airways
Deal found 11/4$133
This Priceline deal was found by Cheapflights users on 11/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2312:43 pmRDU - SDF
Nonstop1h 32mBreeze Airways
Tue 11/252:55 pmSDF - RDU
Nonstop1h 28mBreeze Airways
Deal found 11/6$137
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:50 pmRDU - SDF
1 stop16h 41mMultiple Airlines
Sun 12/72:55 pmSDF - RDU
Nonstop1h 28mMultiple Airlines
Deal found 11/6$157
This Breeze Airways deal was found by Cheapflights users on 11/4. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:43 pmRDU - SDF
Nonstop1h 32mBreeze Airways
Sun 12/142:55 pmSDF - RDU
Nonstop1h 28mBreeze Airways
Deal found 11/4$168
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:31 pmRDU - SDF
1 stop20h 29mMultiple Airlines
Sun 12/72:55 pmSDF - RDU
Nonstop1h 28mMultiple Airlines
Deal found 11/5$184

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh to Louisville 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 November 6, 2025.
Use the filters below to find and compare flights from Raleigh to Louisville that are best for you.

Fly from

Raleigh

Fly to

Louisville

Route

Depart

Return

Price

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 12/4

1:43 pm-3:15 pm

Nonstop1h 32m

Louisville Intl

Sun 12/7

2:55 pm-4:23 pm

Nonstop1h 28m

$117

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sun 12/7

12:43 pm-2:15 pm

Nonstop1h 32m

Louisville Intl

Sun 12/14

2:55 pm-4:23 pm

Nonstop1h 28m

$132

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 12/11

12:43 pm-2:15 pm

Nonstop1h 32m

Louisville Intl

Sun 12/14

2:55 pm-4:23 pm

Nonstop1h 28m

$168

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sun 12/7

7:22 pm-3:36 pm

1 stop20h 14m

Louisville Intl

Sun 12/14

2:55 pm-4:23 pm

Nonstop1h 28m

$184

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 11/20

2:31 pm-8:48 am

1 stop18h 17m

Louisville Intl

Sun 11/23

2:55 pm-4:23 pm

Nonstop1h 28m

$193

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sun 11/23

12:43 pm-2:15 pm

Nonstop1h 32m

Louisville Intl

Tue 12/2

6:48 pm-7:44 pm

1 stop24h 56m

$201

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Fri 1/9

2:34 pm-8:17 pm

1 stop5h 43m

Louisville Intl

Sun 1/11

4:39 pm-7:53 am

1 stop15h 14m

$202

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 3/12

11:49 am-1:26 pm

Nonstop1h 37m

Louisville Intl

Sun 3/15

2:26 pm-3:49 pm

Nonstop1h 23m

$218

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 11/20

12:43 pm-5:16 pm

1 stop4h 33m

Louisville Intl

Mon 11/24

3:09 pm-7:08 pm

1 stop3h 59m

$220

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 12/18

12:43 pm-2:15 pm

Nonstop1h 32m

$59

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 17 results
1
2

Compare providers for flights from Raleigh to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Louisville in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Raleigh-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Raleigh-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Raleigh-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-Louisville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Raleigh to Louisville

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

How far ahead should I book a flight from Raleigh to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Louisville. Price data was last updated on October 31, 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Louisville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, June is the cheapest month in which you can book a flight from Raleigh to Louisville (average of $89). Flying from Raleigh to Louisville in December is currently the most expensive (average of $219). 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 RDU to SDF?

Find hourly flight availability from Raleigh to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

When flying from Raleigh to Louisville, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 56% versus a flight in the afternoon.

What is the cheapest day to fly from Raleigh to Louisville?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Louisville. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Raleigh to Louisville flight should consider departing on Wednesday mornings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Raleigh to Louisville?

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated November 6, 2025.
Read reviews from past customers who have flown Breeze Airways, Southwest, and Delta from Raleigh to Louisville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
225 reviews

Entertainment

6.6

Comfort

8.2

Boarding

8.3

Food

6.7

Crew

8.7

Overall

8.1

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!
Breeze Airways
8.1
Very good
225 reviews
Breeze Airways
8.1
Very good
225 reviews

Entertainment

6.6

Comfort

8.2

Boarding

8.3

Food

6.7

Crew

8.7

Overall

8.1

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!
Southwest
8.0
Very good
4,240 reviews
Breeze Airways
8.1
Very good
225 reviews

Entertainment

6.6

Comfort

8.2

Boarding

8.3

Food

6.7

Crew

8.7

Overall

8.1

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!
Delta
7.9
Good
8,004 reviews
Breeze Airways
8.1
Very good
225 reviews

Entertainment

6.6

Comfort

8.2

Boarding

8.3

Food

6.7

Crew

8.7

Overall

8.1

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!
American Airlines
7.2
Good
11,041 reviews
Breeze Airways
8.1
Very good
225 reviews

Entertainment

6.6

Comfort

8.2

Boarding

8.3

Food

6.7

Crew

8.7

Overall

8.1

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Raleigh to Louisville?

    Departing from Raleigh to Louisville will take you 1h 32m. Airlines will cover a distance of 414 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Raleigh to Louisville round-trip?

    Flying on Breeze Airways is currently your cheapest option to Louisville, with prices starting at $99. Additional round-trip tickets that might be worth considering are offered by Delta and Southwest, with the lowest prices starting at $139 and $208, respectively. Breeze Airways is priced at 67% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Raleigh to Louisville?

    On average you can expect to pay $187 for a flight from Raleigh to Louisville. The cheapest flight overall is $51 while the most popular route, (Raleigh-Durham - Louisville Intl) is currently priced at $98.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Raleigh to Louisville (average of $89). Flying from Raleigh to Louisville in December is currently the most expensive (average of $219). 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

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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 Raleigh to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
Raleigh to Nashville flights
Charlotte to Nashville flights
Norfolk to Nashville flights
Raleigh to Cincinnati flights
Charlotte to Louisville flights
Greensboro to Nashville flights
Charlotte to Cincinnati flights
Myrtle Beach to Nashville flights
Charlotte to Lexington flights
Norfolk to Cincinnati flights
Asheville to Nashville flights
Raleigh to Knoxville flights
Myrtle Beach to Knoxville flights
Greensboro to Louisville flights
Raleigh to Lexington flights
Charlotte to Knoxville flights
Wilmington to Nashville flights
Knoxville to Nashville flights
Norfolk to Knoxville flights
Norfolk to Louisville flights
Greensboro to Cincinnati flights
Wilmington to Cincinnati flights
Raleigh to Evansville flights
Myrtle Beach to Louisville flights
Wilmington to Knoxville flights
Myrtle Beach to Cincinnati flights
Greensboro to Lexington flights
Wilmington to Lexington flights
Myrtle Beach to Lexington flights
Blountville to Nashville flights
Fayetteville to Nashville flights
Greensboro to Evansville flights
Knoxville to Cincinnati flights
Norfolk to Lexington flights
Jacksonville to Nashville flights
Asheville to Cincinnati flights
Jacksonville to Knoxville flights
Fayetteville to Lexington flights
Greenville to Knoxville flights
Charlotte to Evansville flights
Norfolk to Evansville flights
Jacksonville to Cincinnati flights
Wilmington to Louisville flights
New Bern to Knoxville flights
Asheville to Lexington flights
Jacksonville to Lexington flights
Greenville to Nashville flights
Greenville to Louisville flights
Raleigh to Blountville flights

Top 4 airlines flying from Raleigh to Louisville

Discover the top 4 airlines that operate flights from Raleigh to Louisville. 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$99Average$193FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$139Average$288FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$208Average$367FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$230Average$316FlexibilityNo cancel feeOn-time71%

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.