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$88+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SDF
jul. 6 — jul. 131
dom. 7/6
dom. 7/13
1 adult, Economy
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Cheap 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 julio 1, 2025.

Round-trip from

$214
(United Airlines)

One-way from

$88
(American Airlines)

Popular in

March

Cheapest in

February

Average price

$355
From Buffalo to Louisville Intl
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One-way flight from Buffalo to Louisville Intl
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Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 julio 1, 2025.

This United Airlines deal was found by Cheapflights users on 7/1. 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.
mar. 7/297:00 amBUF - SDF
1 stop6h 24mUnited Airlines
mar. 8/52:10 pmSDF - BUF
1 stop6h 51mUnited Airlines
Deal found 7/1$214
This American Airlines deal was found by Cheapflights users on 7/1. 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.
mar. 7/296:28 amBUF - SDF
1 stop4h 57mAmerican Airlines
mar. 8/510:43 amSDF - BUF
2 stops6h 53mAmerican Airlines
Deal found 7/1$219
This Delta deal was found by Cheapflights users on 7/1. 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.
jue. 11/132:00 pmBUF - SDF
1 stop3h 39mDelta
dom. 11/166:26 pmSDF - BUF
1 stop4h 37mDelta
Deal found 7/1$242
This Southwest deal was found by Cheapflights users on 7/1. 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.
mar. 7/298:35 amBUF - SDF
1 stop3h 45mSouthwest
mié. 8/61:10 pmSDF - BUF
2 stops9h 00mSouthwest
Deal found 7/1$273
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/2411:23 amBUF - SDF
3 stops21h 41mMultiple Airlines
dom. 7/274:31 pmSDF - BUF
2 stops18h 13mMultiple Airlines
Deal found 6/29$504

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 julio 1, 2025.
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

mar. 7/29

7:00 am-1:24 pm

1 stop6h 24m

Louisville Intl

mar. 8/5

2:10 pm-9:01 pm

1 stop6h 51m

$214

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

mar. 7/29

6:28 am-11:25 am

1 stop4h 57m

Louisville Intl

mar. 8/5

10:43 am-5:36 pm

2 stops6h 53m

$219

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

jue. 11/13

2:00 pm-5:39 pm

1 stop3h 39m

Louisville Intl

dom. 11/16

6:26 pm-11:03 pm

1 stop4h 37m

$242

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

mar. 7/29

8:35 am-12:20 pm

1 stop3h 45m

Louisville Intl

mié. 8/6

1:10 pm-10:10 pm

2 stops9h 00m

$273

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

jue. 7/24

11:23 am-9:04 am

3 stops21h 41m

Louisville Intl

dom. 7/27

4:31 pm-10:44 am

2 stops18h 13m

$504

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

jue. 8/14

10:04 am-2:44 pm

1 stop4h 40m

$88

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

mié. 12/10

1:50 pm-10:50 pm

2 stops9h 00m

$94

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

mié. 12/10

11:30 am-7:06 pm

2 stops7h 36m

$124

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

jue. 7/17

12:17 pm-7:08 pm

3 stops30h 51m

$229

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

lun. 7/14

3:52 pm-9:20 pm

1 stop5h 28m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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, January is the cheapest month in which you can book a flight from Buffalo to Louisville (average of $299). Flying from Buffalo 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 BUF to SDF?

Find hourly flight availability from Buffalo 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 julio 1, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 27% on flights from Buffalo to Louisville by exploring options for tickets in the morning.

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 julio 1, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines 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.
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.6

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,273 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.6

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.6

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,858 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.6

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.6

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

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

    United Airlines, at $214, was found to be the cheapest airline from Buffalo to Louisville.Alternate airlines to your destination round-trip include American Airlines and Delta. United Airlines is priced at 43% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Buffalo to Louisville are American Airlines ($88), Southwest ($94), and United Airlines ($124).

  • 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, January is the cheapest month in which you can book a flight from Buffalo to Louisville (average of $299). Flying from Buffalo 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 Buffalo?

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

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Top 3 airlines flying from Buffalo to Louisville

Discover the top 3 airlines 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 julio 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$356FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$284Average$402FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$382FlexibilityNo cancel feeOn-time63%

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