$128+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SDF
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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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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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 15, 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 15, 2026.
This Delta 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 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 10/195:45 pm
SDF
- BUF
1 stop6h 10m
Delta
Deal found 6/11![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 6/14. 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.
Tue 9/156:00 am
BUF
- SDF
1 stop7h 33m
Delta
Tue 9/225:59 pm
SDF
- BUF
1 stop5h 12m
Delta
Deal found 6/14![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 6/14. 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 9/156:00 am
BUF
- SDF
1 stop6h 40m
Southwest
Tue 9/225:30 am
SDF
- BUF
2 stops9h 45m
Southwest
Deal found 6/14![Southwest logo]()
$314
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.
Tue 7/1410:21 am
BUF
- SDF
1 stop6h 50m
Delta
Wed 7/156:54 pm
SDF
- BUF
1 stop5h 05m
Delta
Deal found 6/10![Delta logo]()
$325
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:55 pm
BUF
- SDF
1 stop5h 14m
United Airlines
Sun 11/155:35 am
SDF
- BUF
1 stop4h 14m
United Airlines
Deal found 6/12![United Airlines logo]()
$352
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 7/116:00 am
BUF
- SDF
1 stop6h 31m
Delta
Tue 7/215:28 pm
SDF
- BUF
1 stop6h 30m
Delta
Deal found 6/10![Delta logo]()
$353
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.
Tue 12/2212:35 pm
BUF
- SDF
1 stop5h 55m
Southwest
Tue 12/295:45 am
SDF
- BUF
1 stop5h 55m
Southwest
Deal found 6/10![Southwest logo]()
$355
This Southwest deal was found by Cheapflights users on 6/14. 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 7/2912:50 pm
BUF
- SDF
2 stops8h 55m
Southwest
Sun 8/28:45 am
SDF
- BUF
1 stop5h 50m
Southwest
Deal found 6/14![Southwest logo]()
$357
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.
Tue 7/1410:21 am
BUF
- SDF
1 stop6h 50m
Delta
Mon 7/206:54 pm
SDF
- BUF
1 stop5h 05m
Delta
Deal found 6/10![Delta logo]()
$360
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 15, 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 15, 2026.
This Delta 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 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 10/195:45 pm
SDF
- BUF
1 stop6h 10m
Delta
Deal found 6/11![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/115:58 pm
BUF
- SDF
1 stop6h 01m
United Airlines
Wed 8/125:15 am
SDF
- BUF
1 stop4h 13m
United Airlines
Deal found 6/14![United Airlines logo]()
$379
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:10 pm
BUF
- SDF
2 stops8h 20m
Southwest
Sun 7/265:30 pm
SDF
- BUF
1 stop6h 25m
Southwest
Deal found 6/12![Southwest logo]()
$400
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.
Tue 7/1410:21 am
BUF
- SDF
1 stop6h 50m
Delta
Wed 7/156:54 pm
SDF
- BUF
1 stop5h 05m
Delta
Deal found 6/10![Delta logo]()
$325
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.
Tue 7/142:27 pm
BUF
- SDF
1 stop6h 32m
Delta
Tue 7/215:28 pm
SDF
- BUF
1 stop6h 30m
Delta
Deal found 6/10![Delta logo]()
$325
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:40 am
BUF
- SDF
2 stops7h 54m
United Airlines
Sun 11/155:35 am
SDF
- BUF
1 stop4h 14m
United Airlines
Deal found 6/11![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 6/14. 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 11/117:40 pm
BUF
- SDF
1 stop4h 22m
Delta
Sun 11/157:20 am
SDF
- BUF
1 stop4h 24m
Delta
Deal found 6/14![Delta logo]()
$352
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.
Fri 7/178:55 am
BUF
- SDF
1 stop4h 47m
Delta
Sat 7/185:27 pm
SDF
- BUF
1 stop5h 18m
Delta
Deal found 6/10![Delta logo]()
$388
This Delta deal was found by Cheapflights users on 6/14. 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 7/247:24 pm
BUF
- SDF
1 stop5h 02m
Delta
Sun 7/265:28 pm
SDF
- BUF
1 stop6h 30m
Delta
Deal found 6/14![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 6/13. 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 7/162:27 pm
BUF
- SDF
1 stop6h 32m
Delta
Mon 7/202:22 pm
SDF
- BUF
1 stop4h 47m
Delta
Deal found 6/13![Delta logo]()
$395
Last-minute flights from Buffalo to LouisvilleDiscover last-minute flight deals from Buffalo to Louisville. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Louisville. Data last updated June 15, 2026 and is based on user searches.
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 7/116:00 am
BUF
- SDF
1 stop6h 31m
Delta
Tue 7/215:28 pm
SDF
- BUF
1 stop6h 30m
Delta
Deal found 6/10![Delta logo]()
$353
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 7/116:00 am
BUF
- SDF
1 stop6h 31m
Delta
Sat 7/185:27 pm
SDF
- BUF
1 stop5h 18m
Delta
Deal found 6/10![Delta logo]()
$381
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 7/116:00 am
BUF
- SDF
1 stop6h 31m
Delta
Mon 7/204:47 pm
SDF
- BUF
1 stop7h 12m
Delta
Deal found 6/10![Delta logo]()
$388
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.
Tue 7/142:27 pm
BUF
- SDF
1 stop6h 32m
Delta
Tue 7/215:28 pm
SDF
- BUF
1 stop6h 30m
Delta
Deal found 6/10![Delta logo]()
$325
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.
Tue 7/1410:21 am
BUF
- SDF
1 stop6h 50m
Delta
Mon 7/206:54 pm
SDF
- BUF
1 stop5h 05m
Delta
Deal found 6/10![Delta logo]()
$360
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:29 am
BUF
- SDF
2 stops23h 57m
Multiple Airlines
Sat 7/188:06 pm
SDF
- BUF
1 stop24h 38m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$379
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.
Tue 7/1411:00 am
BUF
- SDF
2 stops9h 30m
Southwest
Sat 7/185:00 am
SDF
- BUF
2 stops9h 00m
Southwest
Deal found 6/10![Southwest logo]()
$384
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.
Thu 7/167:24 pm
BUF
- SDF
1 stop5h 02m
Delta
Mon 7/204:47 pm
SDF
- BUF
1 stop7h 12m
Delta
Deal found 6/10![Delta logo]()
$395
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.
Fri 7/177:00 am
BUF
- SDF
2 stops10h 49m
Delta
Tue 7/216:00 am
SDF
- BUF
1 stop5h 11m
Delta
Deal found 6/10![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 6/14. 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 7/296:05 am
BUF
- SDF
1 stop4h 57m
Delta
Sun 8/210:34 am
SDF
- BUF
1 stop4h 39m
Delta
Deal found 6/14![Delta logo]()
$352
This Southwest deal was found by Cheapflights users on 6/14. 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 7/2912:50 pm
BUF
- SDF
2 stops8h 55m
Southwest
Sun 8/28:45 am
SDF
- BUF
1 stop5h 50m
Southwest
Deal found 6/14![Southwest logo]()
$357
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 15, 2026.
Search for one-way flight options from Buffalo to Louisville. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:57 pm
BUF
- SDF
2 stops17h 19m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$128
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:50 pm
BUF
- SDF
2 stops29h 16m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$154
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:29 pm
BUF
- SDF
3 stops29h 46m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$162
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:35 am
BUF
- SDF
2 stops22h 54m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$164
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:13 pm
BUF
- SDF
1 stop4h 52m
Delta
Deal found 6/12![Delta logo]()
$173
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:40 am
BUF
- SDF
2 stops7h 55m
Southwest
Deal found 6/12![Southwest logo]()
$178
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:52 pm
BUF
- SDF
3 stops22h 23m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 6/13. 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.
Fri 7/247:24 pm
BUF
- SDF
1 stop5h 02m
Delta
Deal found 6/13![Delta logo]()
$198
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:57 pm
BUF
- SDF
2 stops36h 39m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$247
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.
Mon 6/296:04 pm
BUF
- SDF
1 stop5h 55m
United Airlines
Deal found 6/10![United Airlines logo]()
$260
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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $301 (Delta) |
One-way from | $128 (Kiwi.com) |
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 15, 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
Fri 10/16
7:40 pm-12:02 am
1 stop4h 22m
Louisville Intl
Mon 10/19
5:45 pm-11:55 pm
1 stop6h 10m
$301
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Tue 7/14
10:21 am-5:11 pm
1 stop6h 50m
Louisville Intl
Wed 7/15
6:54 pm-11:59 pm
1 stop5h 05m
$325
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Tue 7/14
2:27 pm-8:59 pm
1 stop6h 32m
Louisville Intl
Tue 7/21
5:28 pm-11:58 pm
1 stop6h 30m
$325
Quickest round-trip
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Wed 11/11
7:40 pm-12:02 am
1 stop4h 22m
Louisville Intl
Sun 11/15
7:20 am-11:44 am
1 stop4h 24m
$352
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Tue 8/11
5:58 pm-11:59 pm
1 stop6h 01m
Louisville Intl
Wed 8/12
5:15 am-9:28 am
1 stop4h 13m
$379
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Fri 7/17
8:55 am-1:42 pm
1 stop4h 47m
Louisville Intl
Sat 7/18
5:27 pm-10:45 pm
1 stop5h 18m
$388
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Fri 7/24
7:24 pm-12:26 am
1 stop5h 02m
Louisville Intl
Sun 7/26
5:28 pm-11:58 pm
1 stop6h 30m
$395
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Thu 7/16
2:27 pm-8:59 pm
1 stop6h 32m
Louisville Intl
Mon 7/20
2:22 pm-7:09 pm
1 stop4h 47m
$395
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Thu 7/23
4:10 pm-12:30 am
2 stops8h 20m
Louisville Intl
Sun 7/26
5:30 pm-11:55 pm
1 stop6h 25m
$400
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Wed 11/11
11:40 am-7:34 pm
2 stops7h 54m
Louisville Intl
Sun 11/15
5:35 am-9:49 am
1 stop4h 14m
$408
Showing 1-10 of 19 resultsSorted 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 15, 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.
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
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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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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$272 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$354 | FlexibilityNo cancel fee | On-timeN/A |