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$49+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SDF
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Raleigh-Durham to Louisville Intl are usually found in April or June, booked 66 days in advance, depart on a Monday or Friday 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 July 1, 2025.

Round-trip from

$123
(Breeze Airways)

One-way from

$49
(Breeze Airways)

Popular in

December

Cheapest in

April

Average price

$350

Good round-trip deal

$198 or less

Good one-way deal

$81 or less
From Raleigh-Durham to Louisville Intl
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One-way flight from Raleigh-Durham to Louisville Intl
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Highest demand for flights based on searches. 12% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Raleigh-Durham to Louisville Intl.
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Price to beat on a one-way flight from Raleigh-Durham to Louisville Intl.
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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 July 1, 2025.

This Breeze Airways deal was found by Cheapflights users on 6/29. 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.
Sun 7/271:46 pmRDU - SDF
Nonstop1h 33mBreeze Airways
Thu 7/313:59 pmSDF - RDU
Nonstop1h 29mBreeze Airways
Deal found 6/29$123
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:34 pmRDU - SDF
1 stop5h 06mDelta
Wed 8/208:10 amSDF - RDU
1 stop4h 19mDelta
Deal found 6/29$177
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:20 amRDU - SDF
1 stop4h 07mUnited Airlines
Thu 8/217:00 amSDF - RDU
2 stops7h 10mUnited Airlines
Deal found 6/30$182
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:50 amRDU - SDF
2 stops6h 30mSouthwest
Thu 9/116:25 amSDF - RDU
2 stops8h 00mSouthwest
Deal found 6/30$187
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/209:10 amRDU - SDF
1 stop9h 58mSpirit Airlines
Sat 7/268:33 pmSDF - RDU
1 stop11h 42mSpirit Airlines
Deal found 6/30$217
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3012:49 pmRDU - SDF
2 stops6h 00mAmerican Airlines
Sun 8/3110:49 amSDF - RDU
1 stop4h 31mAmerican Airlines
Deal found 6/30$224
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/271:46 pmRDU - SDF
Nonstop1h 33mMultiple Airlines
Thu 7/3112:32 pmSDF - RDU
1 stop5h 08mMultiple Airlines
Deal found 6/29$225

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 July 1, 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

Sun 7/27

1:46 pm-3:19 pm

Nonstop1h 33m

Louisville Intl

Thu 7/31

3:59 pm-5:28 pm

Nonstop1h 29m

$123

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Wed 8/13

7:50 am-11:45 am

1 stop3h 55m

Louisville Intl

Wed 8/20

8:10 am-12:29 pm

1 stop4h 19m

$177

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 8/14

6:20 am-10:27 am

1 stop4h 07m

Louisville Intl

Thu 8/21

7:00 am-2:10 pm

2 stops7h 10m

$182

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Mon 9/8

5:50 am-12:20 pm

2 stops6h 30m

Louisville Intl

Thu 9/11

6:25 am-2:25 pm

2 stops8h 00m

$187

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sun 7/20

9:10 am-7:08 pm

1 stop9h 58m

Louisville Intl

Sat 7/26

8:33 pm-8:15 am

1 stop11h 42m

$217

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sat 8/30

12:49 pm-6:49 pm

2 stops6h 00m

Louisville Intl

Sun 8/31

10:49 am-3:20 pm

1 stop4h 31m

$224

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sun 7/27

1:46 pm-3:19 pm

Nonstop1h 33m

Louisville Intl

Thu 7/31

12:32 pm-5:40 pm

1 stop5h 08m

$225

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sun 9/14

12:43 pm-2:15 pm

Nonstop1h 32m

$49

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Mon 8/4

8:15 pm-12:32 am

1 stop4h 17m

$89

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 9/4

3:10 pm-10:50 pm

2 stops7h 40m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 13 results
1
2

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 June 27, 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, January is the cheapest month in which you can book a flight from Raleigh to Louisville (average of $299). Flying from Raleigh to Louisville in April is currently the most expensive (average of $369). 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 July 1, 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 59% 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 Monday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 1, 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
182 reviews

Boarding

8.4

Entertainment

6.6

Food

6.8

Crew

8.8

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
182 reviews
Breeze Airways
8.1
Very good
182 reviews

Boarding

8.4

Entertainment

6.6

Food

6.8

Crew

8.8

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,273 reviews
Breeze Airways
8.1
Very good
182 reviews

Boarding

8.4

Entertainment

6.6

Food

6.8

Crew

8.8

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,973 reviews
Breeze Airways
8.1
Very good
182 reviews

Boarding

8.4

Entertainment

6.6

Food

6.8

Crew

8.8

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
United Airlines
7.4
Good
8,858 reviews
Breeze Airways
8.1
Very good
182 reviews

Boarding

8.4

Entertainment

6.6

Food

6.8

Crew

8.8

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
American Airlines
7.2
Good
10,000 reviews
Breeze Airways
8.1
Very good
182 reviews

Boarding

8.4

Entertainment

6.6

Food

6.8

Crew

8.8

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.

  • 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 $123. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $177 and $182, respectively. Breeze Airways is priced at 61% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Raleigh to Louisville one-way?

    For one-way options, check prices for Breeze Airways. According to our data, you can fly for as low as $49. Users have also found prices from $89 and $94 on Delta and United Airlines, respectively.

  • What are the cheapest flights from Raleigh to Louisville?

    On average you can expect to pay $159 for a flight from Raleigh to Louisville. The cheapest flight overall is $61 while the most popular route, (Raleigh-Durham - Louisville Intl) is currently priced at $140.

  • 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, January is the cheapest month in which you can book a flight from Raleigh to Louisville (average of $299). Flying from Raleigh to Louisville in April is currently the most expensive (average of $369). 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 Raleigh?

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

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$81Average$166FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$176Average$336FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$353FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$266Average$374FlexibilityNo cancel feeOn-time63%

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