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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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SDF
Mar 19 — Mar 261
Wed 3/19
Wed 3/26
1 adult, Economy
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The best prices from Raleigh-Durham to Louisville Intl are usually found in April or March, booked 44 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 March 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$127
(Mytrip)

One-way from

$49
(Breeze Airways)

Popular in

May

Cheapest in

April

Average price

$340

Good round-trip deal

$112 or less

Good one-way deal

$54 or less
Provider with most accurate pricing for Raleigh-Durham-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Louisville Intl flights.
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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. 3% potential increase in price ($12 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 March 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 March 14, 2025.

This Expedia deal was found by Cheapflights users on 3/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/211:11 pmRDU - SDF
Nonstop1h 34mBreeze Airways
Mon 3/2411:03 amSDF - RDU
Nonstop1h 28mBreeze Airways
Deal found 3/13$129
This Travelocity deal was found by Cheapflights users on 3/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/111:11 pmRDU - SDF
Nonstop1h 34mMultiple Airlines
Mon 4/145:45 amSDF - RDU
1 stop10h 56mMultiple Airlines
Deal found 3/13$194
This Delta deal was found by Cheapflights users on 3/13. 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.
Thu 5/297:59 pmRDU - SDF
1 stop4h 06mDelta
Wed 6/46:00 amSDF - RDU
1 stop6h 33mDelta
Deal found 3/13$217
This Mytrip deal was found by Cheapflights users on 3/13. 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.
Fri 4/410:58 amRDU - SDF
2 stops20h 33mSpirit Airlines
Mon 4/76:00 amSDF - RDU
1 stop28h 03mSpirit Airlines
Deal found 3/13$221
This Southwest deal was found by Cheapflights users on 3/13. 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.
Fri 4/45:30 amRDU - SDF
1 stop3h 45mSouthwest
Mon 4/75:25 pmSDF - RDU
1 stop6h 25mSouthwest
Deal found 3/13$232
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Fri 3/288:18 pmRDU - SDF
1 stop4h 16mAmerican Airlines
Thu 4/178:58 amSDF - RDU
1 stop4h 56mAmerican Airlines
Deal found 3/13$247
This United deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:00 amRDU - SDF
2 stops8h 41mUnited Airlines
Tue 6/311:10 amSDF - RDU
1 stop6h 28mUnited Airlines
Deal found 3/13$327

Find flights from Raleigh to Louisville within your budget

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 March 14, 2025.

Fly from

Raleigh

Fly to

Louisville

Route

Depart

Return

Price

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 5/8

1:44 pm-3:15 pm

Nonstop1h 31m

Louisville Intl

Sun 5/11

3:55 pm-5:22 pm

Nonstop1h 27m

$148

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Fri 4/11

1:11 pm-2:45 pm

Nonstop1h 34m

Louisville Intl

Mon 4/14

5:45 am-4:41 pm

1 stop10h 56m

$194

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 5/29

7:59 pm-12:05 am

1 stop4h 06m

Louisville Intl

Wed 6/4

6:00 am-12:33 pm

1 stop6h 33m

$217

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Fri 4/4

10:58 am-7:31 am

2 stops20h 33m

Louisville Intl

Mon 4/7

6:00 am-10:03 am

1 stop28h 03m

$221

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Fri 4/4

5:30 am-9:15 am

1 stop3h 45m

Louisville Intl

Mon 4/7

5:25 pm-11:50 pm

1 stop6h 25m

$232

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Fri 3/28

8:18 pm-12:34 am

1 stop4h 16m

Louisville Intl

Thu 4/17

8:58 am-1:54 pm

1 stop4h 56m

$247

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Thu 5/29

6:00 am-2:41 pm

2 stops8h 41m

Louisville Intl

Tue 6/3

11:10 am-5:38 pm

1 stop6h 28m

$327

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sun 5/4

1:44 pm-3:15 pm

Nonstop1h 31m

$49

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Mon 4/28

7:59 pm-11:59 pm

1 stop4h 00m

$109

RaleighLouisville

RDU - SDF

RDUSDF

Raleigh-Durham

Sun 5/4

11:29 am-10:17 pm

1 stop10h 48m

$111

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 13 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Louisville flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Raleigh to Louisville

Get recent, data-driven insights about flights from Raleigh to Louisville including ideal travel times, pricing trends, and more.

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 March 7, 2025.

Booking 44 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 March 14, 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 82% 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 March 14, 2025.
Read through reviews of airlines operating flights from Raleigh to Louisville, such as Southwest, Delta and Breeze Airways. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,292 reviews

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,292 reviews
Southwest
8.1
Very good
4,292 reviews

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
7,944 reviews
Southwest
8.1
Very good
4,292 reviews

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Breeze Airways
8.0
Very good
155 reviews
Southwest
8.1
Very good
4,292 reviews

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,623 reviews
Southwest
8.1
Very good
4,292 reviews

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,292 reviews

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 Spirit Airlines is currently your cheapest option to Louisville, with prices starting at $127. Additional round-trip tickets that might be worth considering are offered by Breeze Airways and United Airlines, with the lowest prices starting at $129 and $212, respectively. Spirit Airlines is priced at 65% 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 $106 and $119 on Spirit Airlines and Delta, respectively.

  • What are the cheapest flights from Raleigh to Louisville?

    On average you can expect to pay $132 for a flight from Raleigh to Louisville. The cheapest flight overall is $46 while the most popular route, (Raleigh-Durham - Louisville Intl) is currently priced at $148.

  • 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
Jeffersonville
Corydon
Elizabethtown
Bardstown

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Top 6 airlines flying from Raleigh to Louisville

Discover the top 6 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 March 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$97Average$141FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$142Average$200FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$198Average$364FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$262Average$385FlexibilityNo cancel feeOn-time71%
DeltaCheapest$267Average$379FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$276Average$374FlexibilityNo cancel feeOn-time63%
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