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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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SDF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 42 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 June 12, 2025.

Round-trip from

$152
(Priceline)

One-way from

$51
(Priceline)

Popular in

December

Cheapest in

April

Average price

$238

Good round-trip deal

$81 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. 10% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Priceline deal was found by Cheapflights users on 6/11. 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.
Thu 7/241:46 pmRDU - SDF
Nonstop1h 33mBreeze Airways
Thu 7/313:59 pmSDF - RDU
Nonstop1h 29mBreeze Airways
Deal found 6/11$152
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Thu 7/105:10 pmRDU - SDF
1 stop20h 45mSpirit Airlines
Thu 7/2412:32 pmSDF - RDU
1 stop5h 08mSpirit Airlines
Deal found 6/11$202
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 9/236:00 amRDU - SDF
1 stop6h 28mAmerican Airlines
Thu 9/256:31 amSDF - RDU
1 stop5h 41mAmerican Airlines
Deal found 6/12$221
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/241:46 pmRDU - SDF
Nonstop1h 33mMultiple Airlines
Thu 7/3112:32 pmSDF - RDU
1 stop5h 08mMultiple Airlines
Deal found 6/12$230
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sat 9/135:45 pmRDU - SDF
1 stop4h 00mSouthwest
Tue 9/1611:50 amSDF - RDU
1 stop5h 30mSouthwest
Deal found 6/10$231
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 7/265:45 amRDU - SDF
1 stop4h 04mDelta
Tue 7/296:00 amSDF - RDU
1 stop4h 02mDelta
Deal found 6/10$249
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 7/263:10 pmRDU - SDF
1 stop7h 48mUnited Airlines
Sat 8/28:40 amSDF - RDU
1 stop5h 19mUnited Airlines
Deal found 6/10$309

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 June 12, 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 7/24

1:46 pm-3:19 pm

Nonstop1h 33m

Louisville Intl

Thu 7/31

3:59 pm-5:28 pm

Nonstop1h 29m

$152

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 7/10

5:10 pm-1:55 pm

1 stop20h 45m

Louisville Intl

Thu 7/24

12:32 pm-5:40 pm

1 stop5h 08m

$202

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Tue 9/23

5:51 pm-11:56 pm

1 stop6h 05m

Louisville Intl

Thu 9/25

6:31 am-12:12 pm

1 stop5h 41m

$221

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 7/24

1:46 pm-3:19 pm

Nonstop1h 33m

Louisville Intl

Thu 7/31

12:32 pm-5:40 pm

1 stop5h 08m

$230

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sat 9/13

12:40 pm-4:50 pm

1 stop4h 10m

Louisville Intl

Mon 9/15

7:30 pm-11:55 pm

1 stop4h 25m

$231

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sat 9/13

4:40 pm-10:25 pm

1 stop5h 45m

Louisville Intl

Tue 9/16

11:50 am-6:30 pm

2 stops6h 40m

$236

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sat 7/26

3:10 pm-10:58 pm

1 stop7h 48m

Louisville Intl

Sat 8/2

8:40 am-1:59 pm

1 stop5h 19m

$309

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sun 9/7

12:43 pm-2:15 pm

Nonstop1h 32m

$49

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sat 7/12

7:13 pm-11:27 am

1 stop16h 14m

$85

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Wed 10/1

5:20 am-11:34 am

1 stop6h 14m

$111

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 14 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 9, 2025.

Booking 42 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 June 12, 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 79% versus a flight in the morning.

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. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Raleigh to Louisville, such as Breeze Airways, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
178 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

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
178 reviews
Breeze Airways
8.1
Very good
178 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

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
4,287 reviews
Breeze Airways
8.1
Very good
178 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

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
7,946 reviews
Breeze Airways
8.1
Very good
178 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

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
8,790 reviews
Breeze Airways
8.1
Very good
178 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

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
178 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

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 $152. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Delta, with the lowest prices starting at $202 and $249, respectively. Breeze Airways is priced at 53% 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 $51. Users have also found prices from $85 and $111 on Spirit Airlines and Delta, respectively.

  • What are the cheapest flights from Raleigh to Louisville?

    On average you can expect to pay $114 for a flight from Raleigh to Louisville. The cheapest flight overall is $56 while the most popular route, (Raleigh-Durham - Louisville Intl) is currently priced at $152.

  • 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 5 airlines flying from Raleigh to Louisville

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$96Average$158FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$178Average$356FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$198Average$354FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$238Average$354FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$266Average$373FlexibilityNo cancel feeOn-time63%

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