$283+ Cheap flights from Buffalo to Louisville (BUF - SDF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SDF
Jul 3 — Jul 101
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Louisville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to Louisville
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Best
Last-minute
One-way
Cheapest flights from Buffalo to LouisvilleExplore 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 June 3, 2026.
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 June 3, 2026.
This Delta deal was found by Cheapflights users on 5/29. 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.
Sat 8/296:27 am
BUF
- SDF
1 stop3h 27m
Delta
Sat 8/295:45 pm
SDF
- BUF
1 stop6h 14m
Delta
Deal found 5/29![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 6/1. 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.
Wed 7/19:03 am
BUF
- SDF
1 stop4h 36m
Delta
Tue 7/75:28 pm
SDF
- BUF
1 stop6h 30m
Delta
Deal found 6/1![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 7/17:06 am
BUF
- SDF
1 stop6h 29m
United Airlines
Tue 7/711:44 am
SDF
- BUF
2 stops7h 19m
United Airlines
Deal found 6/1![United Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 5/31. 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.
Sun 9/139:00 am
BUF
- SDF
1 stop4h 38m
Delta
Mon 9/145:59 pm
SDF
- BUF
1 stop5h 12m
Delta
Deal found 5/31![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 6/2. 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.
Wed 10/217:30 am
BUF
- SDF
1 stop6h 00m
Southwest
Sun 10/255:50 am
SDF
- BUF
1 stop5h 50m
Southwest
Deal found 6/2![Southwest logo]()
$360
This Delta deal was found by Cheapflights users on 6/2. 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.
Fri 10/167:40 pm
BUF
- SDF
1 stop4h 22m
Delta
Mon 10/196:26 pm
SDF
- BUF
1 stop5h 33m
Delta
Deal found 6/2![Delta logo]()
$370
This Southwest deal was found by Cheapflights users on 5/31. 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.
Sun 9/135:45 pm
BUF
- SDF
1 stop6h 00m
Southwest
Mon 9/143:20 pm
SDF
- BUF
2 stops7h 20m
Southwest
Deal found 5/31![Southwest logo]()
$375
This Southwest deal was found by Cheapflights users on 6/1. 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.
Wed 7/12:55 pm
BUF
- SDF
2 stops8h 15m
Southwest
Tue 7/77:25 am
SDF
- BUF
2 stops8h 15m
Southwest
Deal found 6/1![Southwest logo]()
$378
This Southwest deal was found by Cheapflights users on 6/2. 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.
Wed 7/154:20 pm
BUF
- SDF
1 stop6h 15m
Southwest
Fri 7/177:25 am
SDF
- BUF
1 stop8h 35m
Southwest
Deal found 6/2![Southwest logo]()
$381
Best flights from Buffalo to LouisvilleDiscover carefully curated flight deals from Buffalo to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 3, 2026.
Discover carefully curated flight deals from Buffalo to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 3, 2026.
This Delta deal was found by Cheapflights users on 6/1. 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.
Wed 7/19:03 am
BUF
- SDF
1 stop4h 36m
Delta
Tue 7/75:28 pm
SDF
- BUF
1 stop6h 30m
Delta
Deal found 6/1![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 7/17:06 am
BUF
- SDF
1 stop6h 29m
United Airlines
Tue 7/711:44 am
SDF
- BUF
2 stops7h 19m
United Airlines
Deal found 6/1![United Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 6/2. 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.
Wed 10/217:30 am
BUF
- SDF
1 stop6h 00m
Southwest
Sun 10/255:50 am
SDF
- BUF
1 stop5h 50m
Southwest
Deal found 6/2![Southwest logo]()
$360
This Delta deal was found by Cheapflights users on 6/3. 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.
Fri 10/167:40 pm
BUF
- SDF
1 stop4h 22m
Delta
Mon 10/196:00 am
SDF
- BUF
1 stop5h 15m
Delta
Deal found 6/3![Delta logo]()
$370
This Southwest deal was found by Cheapflights users on 5/31. 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.
Sun 9/135:45 pm
BUF
- SDF
1 stop6h 00m
Southwest
Mon 9/143:20 pm
SDF
- BUF
2 stops7h 20m
Southwest
Deal found 5/31![Southwest logo]()
$375
This United Airlines deal was found by Cheapflights users on 5/30. 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 9/1710:33 am
BUF
- SDF
2 stops12h 35m
United Airlines
Mon 9/215:15 am
SDF
- BUF
1 stop4h 13m
United Airlines
Deal found 5/30![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 6/1. 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.
Thu 7/306:05 am
BUF
- SDF
2 stops8h 50m
Southwest
Fri 7/313:35 pm
SDF
- BUF
2 stops8h 40m
Southwest
Deal found 6/1![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 5/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/102:50 pm
BUF
- SDF
2 stops7h 40m
Southwest
Sat 7/115:25 am
SDF
- BUF
2 stops8h 35m
Southwest
Deal found 5/29![Southwest logo]()
$405
Last-minute flights from Buffalo to LouisvilleDiscover last-minute flight deals from Buffalo to Louisville. Data last updated June 3, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Louisville. Data last updated June 3, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/1. 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.
Wed 7/19:03 am
BUF
- SDF
1 stop4h 36m
Delta
Tue 7/75:28 pm
SDF
- BUF
1 stop6h 30m
Delta
Deal found 6/1![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 7/17:06 am
BUF
- SDF
1 stop6h 29m
United Airlines
Tue 7/711:44 am
SDF
- BUF
2 stops7h 19m
United Airlines
Deal found 6/1![United Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 6/1. 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.
Wed 7/12:55 pm
BUF
- SDF
2 stops8h 15m
Southwest
Tue 7/77:25 am
SDF
- BUF
2 stops8h 15m
Southwest
Deal found 6/1![Southwest logo]()
$378
This Southwest deal was found by Cheapflights users on 6/1. 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.
Thu 7/94:10 pm
BUF
- SDF
2 stops8h 20m
Southwest
Fri 7/103:35 pm
SDF
- BUF
2 stops8h 40m
Southwest
Deal found 6/1![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 6/2. 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.
Wed 7/154:20 pm
BUF
- SDF
1 stop6h 15m
Southwest
Fri 7/177:25 am
SDF
- BUF
1 stop8h 35m
Southwest
Deal found 6/2![Southwest logo]()
$381
This Southwest deal was found by Cheapflights users on 6/1. 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.
Thu 7/165:55 pm
BUF
- SDF
1 stop6h 35m
Southwest
Sat 7/185:50 am
SDF
- BUF
1 stop6h 05m
Southwest
Deal found 6/1![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 5/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/202:50 pm
BUF
- SDF
2 stops7h 40m
Southwest
Fri 7/243:35 pm
SDF
- BUF
2 stops8h 40m
Southwest
Deal found 5/29![Southwest logo]()
$428
One-way flights from Buffalo to LouisvilleSearch for one-way flight options from Buffalo to Louisville. Find affordable one-way fares based on user searches. Data last updated June 3, 2026.
Search for one-way flight options from Buffalo to Louisville. Find affordable one-way fares based on user searches. Data last updated June 3, 2026.
This Delta deal was found by Cheapflights users on 6/1. 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.
Thu 6/116:29 am
BUF
- SDF
1 stop3h 26m
Delta
Deal found 6/1![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Thu 6/116:09 am
BUF
- SDF
2 stops10h 54m
United Airlines
Deal found 6/1![United Airlines logo]()
$575
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 June 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $283 (Delta) |
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 June 3, 2026.
Use the filters below to find and compare flights from Buffalo to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Wed 7/1
9:03 am-1:39 pm
1 stop4h 36m
Louisville Intl
Tue 7/7
5:28 pm-11:58 pm
1 stop6h 30m
$325
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Wed 7/1
7:06 am-1:35 pm
1 stop6h 29m
Louisville Intl
Tue 7/7
11:44 am-7:03 pm
2 stops7h 19m
$330
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Wed 10/21
7:30 am-1:30 pm
1 stop6h 00m
Louisville Intl
Sun 10/25
5:50 am-11:40 am
1 stop5h 50m
$360
Quickest round-trip
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Fri 10/16
7:40 pm-12:02 am
1 stop4h 22m
Louisville Intl
Mon 10/19
6:00 am-11:15 am
1 stop5h 15m
$370
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Sun 9/13
5:45 pm-11:45 pm
1 stop6h 00m
Louisville Intl
Mon 9/14
3:20 pm-10:40 pm
2 stops7h 20m
$375
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Thu 7/30
6:05 am-2:55 pm
2 stops8h 50m
Louisville Intl
Fri 7/31
3:35 pm-12:15 am
2 stops8h 40m
$405
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Fri 7/10
2:50 pm-10:30 pm
2 stops7h 40m
Louisville Intl
Sat 7/11
5:25 am-2:00 pm
2 stops8h 35m
$405
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Thu 9/17
10:33 am-11:08 pm
2 stops12h 35m
Louisville Intl
Mon 9/21
5:15 am-9:28 am
1 stop4h 13m
$419
Cheapest one-way
Quickest one-way
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Thu 6/11
6:29 am-9:55 am
1 stop3h 26m
$347
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Thu 6/11
6:09 am-5:03 pm
2 stops10h 54m
$575
Sorted by cheapest first
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
BUF-SDF
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.
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 3, 2026.
Get a feel of what it's like to fly with Delta and American 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.
Food
7.2
Overall
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Food
7.2
Overall
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Food
7.2
Overall
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
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.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsCorydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown
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Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 3, 2026.
Buffalo and Louisville flights
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Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on June 3, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Buffalo to Louisville
Discover the top 2 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 June 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$272 | Average$380 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$354 | FlexibilityNo cancel fee | On-timeN/A |