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$162+ Cheap flights from Buffalo to Louisville (BUF - 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SDF
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Buffalo to Louisville

Cheapest flights from Buffalo to Louisville
Explore the most affordable flight options available from Buffalo to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
BUF
-
SDF
1 stop4h 43m
American Airlines
Tue 4/1411:13 am
SDF
-
BUF
1 stop6h 17m
American Airlines
Deal found 2/10$333
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Tue 9/810:50 am
BUF
-
SDF
1 stop5h 59m
United Airlines
Sat 9/1210:00 am
SDF
-
BUF
1 stop3h 46m
United Airlines
Deal found 2/8$335
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 6/55:47 pm
BUF
-
SDF
1 stop4h 22m
United Airlines
Mon 6/86:00 am
SDF
-
BUF
1 stop3h 40m
United Airlines
Deal found 2/10$355
This Southwest deal was found by Cheapflights users on 2/10. 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.
Fri 6/52:50 pm
BUF
-
SDF
2 stops7h 35m
Southwest
Mon 6/83:35 pm
SDF
-
BUF
1 stop6h 00m
Southwest
Deal found 2/10$360
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 4/97:00 am
BUF
-
SDF
1 stop6h 17m
United Airlines
Tue 4/142:30 pm
SDF
-
BUF
2 stops9h 03m
United Airlines
Deal found 2/10$362
This American Airlines deal was found by Cheapflights users on 2/8. 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 3/66:00 am
BUF
-
SDF
1 stop5h 13m
American Airlines
Fri 3/136:12 pm
SDF
-
BUF
1 stop5h 28m
American Airlines
Deal found 2/8$375
This Southwest deal was found by Cheapflights users on 2/8. 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.
Tue 9/812:00 pm
BUF
-
SDF
2 stops8h 35m
Southwest
Sat 9/1211:55 am
SDF
-
BUF
2 stops8h 35m
Southwest
Deal found 2/8$386
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Fri 3/61:03 pm
BUF
-
SDF
2 stops22h 02m
Multiple Airlines
Fri 3/1312:09 pm
SDF
-
BUF
1 stop21h 48m
Multiple Airlines
Deal found 2/8$387
This Southwest deal was found by Cheapflights users on 2/8. 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 3/66:10 am
BUF
-
SDF
2 stops8h 50m
Southwest
Fri 3/138:35 am
SDF
-
BUF
2 stops9h 00m
Southwest
Deal found 2/8$405
This American Airlines deal was found by Cheapflights users on 2/8. 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 4/106:00 am
BUF
-
SDF
1 stop4h 43m
American Airlines
Wed 4/159:00 am
SDF
-
BUF
1 stop5h 21m
American Airlines
Deal found 2/8$426

Find flight deals from Buffalo to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) 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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$333
(American Airlines)

One-way from

$162
(Kiwi.com)

Popular in

September

Cheapest in

June

Average price

$342
Provider with most accurate pricing for Buffalo-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Louisville Intl flights.
Search Deals
From Buffalo to Louisville Intl
Search Deals
One-way flight from Buffalo to Louisville Intl
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo 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 February 11, 2026.
Use the filters below to find and compare flights from Buffalo to Louisville that are best for you.

Fly from

Buffalo

Fly to

Louisville

Route

Depart

Return

Price

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 4/9

6:00 am-10:43 am

1 stop4h 43m

Louisville Intl

Tue 4/14

11:13 am-5:30 pm

1 stop6h 17m

$333

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 6/5

5:47 pm-10:09 pm

1 stop4h 22m

Louisville Intl

Mon 6/8

6:00 am-9:40 am

1 stop3h 40m

$355

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 6/5

2:50 pm-10:25 pm

2 stops7h 35m

Louisville Intl

Mon 6/8

3:35 pm-9:35 pm

1 stop6h 00m

$360

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 4/9

7:00 am-1:17 pm

1 stop6h 17m

Louisville Intl

Tue 4/14

2:30 pm-11:33 pm

2 stops9h 03m

$362

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 3/6

6:00 am-11:13 am

1 stop5h 13m

Louisville Intl

Fri 3/13

6:12 pm-11:40 pm

1 stop5h 28m

$375

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 3/6

1:03 pm-11:05 am

2 stops22h 02m

Louisville Intl

Fri 3/13

12:09 pm-9:57 am

1 stop21h 48m

$387

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 6/5

11:22 am-4:14 pm

1 stop4h 52m

Louisville Intl

Mon 6/8

7:12 pm-12:39 am

1 stop5h 27m

$387

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 3/6

6:10 am-3:00 pm

2 stops8h 50m

Louisville Intl

Fri 3/13

8:35 am-5:35 pm

2 stops9h 00m

$405

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 4/10

6:00 am-10:43 am

1 stop4h 43m

Louisville Intl

Wed 4/15

9:00 am-2:21 pm

1 stop5h 21m

$426

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 3/6

1:03 pm-11:05 am

2 stops22h 02m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 18 results
1
2

Compare providers for flights from Buffalo 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 Buffalo to Louisville in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Buffalo-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-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 Buffalo-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 Buffalo to Louisville

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

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

Currently, July is the cheapest month in which you can book a flight from Buffalo to Louisville (average of $129). Flying from Buffalo to Louisville in January is currently the most expensive (average of $275). 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.

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 February 11, 2026.
Get a feel of what it's like to fly with Delta from Buffalo to Louisville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,179 reviews

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
7.9
Good
8,179 reviews
Delta
7.9
Good
8,179 reviews

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Buffalo 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 Buffalo to Louisville?

    Departing from Buffalo to Louisville will take you 4h 22m. Airlines will cover a distance of 493 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Buffalo to Louisville round-trip?

    Delta, at $153, was found to be the cheapest airline from Buffalo to Louisville.. Delta is priced at 64% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Buffalo to Louisville (average of $129). Flying from Buffalo to Louisville in January is currently the most expensive (average of $275). 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

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Top airline flying from Buffalo to Louisville

Discover the top airline that operate flights from Buffalo 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$153Average$407FlexibilityNo cancel feeOn-timeN/A

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