$129+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SDF
Aug 6 — Aug 131
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 July 7, 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 July 7, 2026.
This Delta deal was found by Cheapflights users on 7/3. 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.
Mon 8/174:13 pm
BUF
- SDF
1 stop5h 57m
Delta
Mon 8/248:05 am
SDF
- BUF
1 stop7h 01m
Delta
Deal found 7/3![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:30 am
BUF
- SDF
1 stop7h 05m
Southwest
Mon 8/246:45 am
SDF
- BUF
2 stops8h 30m
Southwest
Deal found 7/3![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 7/7. 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 8/611:25 am
BUF
- SDF
1 stop4h 05m
Southwest
Thu 8/134:10 pm
SDF
- BUF
1 stop6h 05m
Southwest
Deal found 7/7![Southwest logo]()
$326
This Delta deal was found by Cheapflights users on 7/5. 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 8/46:01 am
BUF
- SDF
1 stop7h 26m
Delta
Tue 8/115:25 pm
SDF
- BUF
1 stop6h 33m
Delta
Deal found 7/5![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 7/3. 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 10/166:10 am
BUF
- SDF
1 stop3h 49m
Delta
Mon 10/197:30 pm
SDF
- BUF
1 stop4h 29m
Delta
Deal found 7/3![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:30 am
BUF
- SDF
2 stops10h 06m
United Airlines
Wed 8/2610:23 am
SDF
- BUF
1 stop6h 33m
United Airlines
Deal found 7/2![United Airlines 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 July 7, 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 July 7, 2026.
This Southwest deal was found by Cheapflights users on 7/7. 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 8/611:25 am
BUF
- SDF
1 stop4h 05m
Southwest
Thu 8/134:10 pm
SDF
- BUF
1 stop6h 05m
Southwest
Deal found 7/7![Southwest logo]()
$326
This Delta deal was found by Cheapflights users on 7/5. 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 8/46:01 am
BUF
- SDF
1 stop7h 26m
Delta
Tue 8/115:25 pm
SDF
- BUF
1 stop6h 33m
Delta
Deal found 7/5![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:30 am
BUF
- SDF
2 stops10h 06m
United Airlines
Wed 8/2610:23 am
SDF
- BUF
1 stop6h 33m
United Airlines
Deal found 7/3![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 7/4. 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 10/166:10 am
BUF
- SDF
1 stop3h 49m
Delta
Mon 10/195:40 pm
SDF
- BUF
1 stop6h 19m
Delta
Deal found 7/4![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 7/6. 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 8/1711:25 am
BUF
- SDF
1 stop4h 05m
Southwest
Mon 8/2411:50 am
SDF
- BUF
1 stop6h 35m
Southwest
Deal found 7/6![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/23:25 pm
BUF
- SDF
2 stops7h 50m
Southwest
Sat 8/81:15 pm
SDF
- BUF
1 stop7h 15m
Southwest
Deal found 7/3![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 7/6. 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 11/64:00 pm
BUF
- SDF
2 stops8h 20m
Southwest
Sun 11/88:45 am
SDF
- BUF
2 stops6h 30m
Southwest
Deal found 7/6![Southwest logo]()
$405
Last-minute flights from Buffalo to LouisvilleDiscover last-minute flight deals from Buffalo to Louisville. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Louisville. Data last updated July 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Tue 8/411:41 am
BUF
- SDF
1 stop4h 59m
American Airlines
Tue 8/187:31 am
SDF
- BUF
1 stop5h 07m
American Airlines
Deal found 7/7![American Airlines logo]()
$233
This Southwest deal was found by Cheapflights users on 7/7. 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 8/48:40 am
BUF
- SDF
1 stop6h 40m
Southwest
Tue 8/181:15 pm
SDF
- BUF
2 stops7h 50m
Southwest
Deal found 7/7![Southwest logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Wed 8/510:26 am
BUF
- SDF
1 stop6h 14m
American Airlines
Sat 9/57:18 pm
SDF
- BUF
1 stop4h 44m
American Airlines
Deal found 7/7![American Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 7/7. 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 8/58:55 am
BUF
- SDF
1 stop3h 45m
Southwest
Thu 8/64:10 pm
SDF
- BUF
1 stop6h 05m
Southwest
Deal found 7/7![Southwest logo]()
$336
This Southwest deal was found by Cheapflights users on 7/7. 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 8/611:25 am
BUF
- SDF
1 stop4h 05m
Southwest
Thu 8/134:10 pm
SDF
- BUF
1 stop6h 05m
Southwest
Deal found 7/7![Southwest logo]()
$326
This Delta deal was found by Cheapflights users on 7/3. 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.
Mon 8/174:13 pm
BUF
- SDF
1 stop5h 57m
Delta
Mon 8/248:05 am
SDF
- BUF
1 stop7h 01m
Delta
Deal found 7/3![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:30 am
BUF
- SDF
1 stop7h 05m
Southwest
Mon 8/246:45 am
SDF
- BUF
2 stops8h 30m
Southwest
Deal found 7/3![Southwest logo]()
$324
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 July 7, 2026.
Search for one-way flight options from Buffalo to Louisville. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Southwest deal was found by Cheapflights users on 7/7. 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 11/124:00 pm
BUF
- SDF
1 stop5h 00m
Southwest
Deal found 7/7![Southwest logo]()
$129
This Delta deal was found by Cheapflights users on 7/2. 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.
Tue 8/48:57 am
BUF
- SDF
1 stop4h 54m
Delta
Deal found 7/2![Delta logo]()
$143
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:30 am
BUF
- SDF
1 stop7h 05m
Southwest
Deal found 7/3![Southwest logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:29 am
BUF
- SDF
2 stops21h 07m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 7/7. 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.
Thu 11/121:13 pm
BUF
- SDF
3 stops20h 32m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:57 pm
BUF
- SDF
3 stops42h 19m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$296
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 July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $233 (American Airlines) |
One-way from | $129 (Southwest) |
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 July 7, 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
Thu 8/6
11:25 am-3:30 pm
1 stop4h 05m
Louisville Intl
Thu 8/13
4:10 pm-10:15 pm
1 stop6h 05m
$326
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Tue 8/4
6:01 am-1:27 pm
1 stop7h 26m
Louisville Intl
Tue 8/11
5:25 pm-11:58 pm
1 stop6h 33m
$355
Quickest round-trip
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Fri 10/16
6:10 am-9:59 am
1 stop3h 49m
Louisville Intl
Mon 10/19
5:40 pm-11:59 pm
1 stop6h 19m
$357
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Tue 8/25
10:30 am-8:36 pm
2 stops10h 06m
Louisville Intl
Wed 8/26
10:23 am-4:56 pm
1 stop6h 33m
$394
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Mon 8/17
11:25 am-3:30 pm
1 stop4h 05m
Louisville Intl
Mon 8/24
11:50 am-6:25 pm
1 stop6h 35m
$395
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Sun 8/2
3:25 pm-11:15 pm
2 stops7h 50m
Louisville Intl
Sat 8/8
1:15 pm-8:30 pm
1 stop7h 15m
$404
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Fri 11/6
4:00 pm-12:20 am
2 stops8h 20m
Louisville Intl
Sun 11/8
8:45 am-3:15 pm
2 stops6h 30m
$405
Cheapest one-way
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Thu 11/12
4:00 pm-9:00 pm
1 stop5h 00m
$129
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Tue 8/4
8:57 am-1:51 pm
1 stop4h 54m
$143
BuffaloLouisville
BUF - SDF
BUFSDF
Buffalo
Mon 8/17
6:30 am-1:35 pm
1 stop7h 05m
$160
Showing 1-10 of 13 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 July.
| 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 July 7, 2026.
Get a feel of what it's like to fly with 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
7.2
Entertainment
6.8
Overall
7.1
Crew
7.9
Boarding
7.5
Food
6.4
Reviews
1 / 20
2.0
MediocreHiram K,Sep 2023
JFK - CLT
Comfort
7.2
Entertainment
6.8
Overall
7.1
Crew
7.9
Boarding
7.5
Food
6.4
Reviews
1 / 20
2.0
MediocreHiram K,Sep 2023
JFK - CLT
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 July 7, 2026.
Buffalo and Louisville flights
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Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on July 7, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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 July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$294 | Average$380 | FlexibilityNo cancel fee | On-time71% |