$169+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SDF
Dec 12 — Dec 191
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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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 November 12, 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 November 12, 2026.
This Southwest deal was found by Cheapflights users on 11/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/223:35 pm -
1 stop5h 50m
Tue 12/295:40 am -
1 stop6h 00m
Deal found 11/11![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 11/10. 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.
Mon 12/286:00 am -
1 stop4h 47m
Wed 12/306:29 pm -
1 stop5h 32m
Deal found 11/10![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 11/10. 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 12/106:00 am -
1 stop8h 06m
Sun 12/137:41 am -
1 stop3h 43m
Deal found 11/10![Delta logo]()
$411
This Delta deal was found by Cheapflights users on 11/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:00 am -
1 stop4h 47m
Mon 12/286:29 pm -
1 stop5h 32m
Deal found 11/8![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 11/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:53 pm -
1 stop4h 24m
Thu 12/39:55 am -
1 stop4h 25m
Deal found 11/7![United Airlines logo]()
$442
This American Airlines deal was found by Cheapflights users on 11/8. 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.
Sun 12/67:53 am -
1 stop4h 40m
Sun 12/131:21 pm -
1 stop4h 48m
Deal found 11/8![American Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Sun 12/67:00 am -
2 stops7h 51m
Sun 12/136:15 am -
1 stop4h 27m
Deal found 11/8![United Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 11/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:45 pm -
1 stop3h 28m
Tue 12/16:00 am -
1 stop7h 29m
Deal found 11/7![Delta logo]()
$458
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 November 12, 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 November 12, 2026.
This American Airlines deal was found by Cheapflights users on 11/8. 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.
Tue 1/191:09 pm -
1 stop4h 27m
Thu 1/216:00 am -
1 stop6h 06m
Deal found 11/8![American Airlines logo]()
$348
This Southwest deal was found by Cheapflights users on 11/8. 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 1/1912:55 pm -
2 stops9h 15m
Thu 1/213:30 pm -
1 stop6h 20m
Deal found 11/8![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 11/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/286:25 am -
1 stop3h 30m
Tue 5/410:15 am -
1 stop4h 56m
Deal found 11/8![Delta logo]()
$395
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/1710:20 am -
1 stop4h 32m
Mon 12/219:50 am -
1 stop4h 25m
Deal found 11/10![United Airlines logo]()
$477
This Southwest deal was found by Cheapflights users on 11/8. 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.
Wed 4/282:50 pm -
1 stop8h 00m
Tue 5/411:50 am -
2 stops7h 30m
Deal found 11/8![Southwest logo]()
$406
This Delta deal was found by Cheapflights users on 11/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:00 am -
1 stop4h 47m
Mon 12/286:29 pm -
1 stop5h 32m
Deal found 11/8![Delta logo]()
$428
This Southwest deal was found by Cheapflights users on 11/9. 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 4/282:50 pm -
1 stop8h 00m
Sun 5/26:00 am -
1 stop11h 20m
Deal found 11/9![Southwest logo]()
$436
This Delta deal was found by Cheapflights users on 11/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:35 am -
1 stop3h 34m
Tue 12/15:56 pm -
1 stop6h 05m
Deal found 11/7![Delta logo]()
$458
This Delta deal was found by Cheapflights users on 11/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:45 pm -
1 stop3h 28m
Fri 12/45:56 pm -
1 stop6h 05m
Deal found 11/7![Delta logo]()
$483
Last-minute flights from Buffalo to LouisvilleDiscover last-minute flight deals from Buffalo to Louisville. Data last updated November 12, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Louisville. Data last updated November 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:45 pm -
1 stop3h 28m
Tue 12/16:00 am -
1 stop7h 29m
Deal found 11/7![Delta logo]()
$458
This United Airlines deal was found by Cheapflights users on 11/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:53 pm -
1 stop4h 24m
Thu 12/39:55 am -
1 stop4h 25m
Deal found 11/7![United Airlines logo]()
$442
This American Airlines deal was found by Cheapflights users on 11/8. 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.
Sun 12/67:53 am -
1 stop4h 40m
Sun 12/131:21 pm -
1 stop4h 48m
Deal found 11/8![American Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Sun 12/67:00 am -
2 stops7h 51m
Sun 12/136:15 am -
1 stop4h 27m
Deal found 11/8![United Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 11/10. 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 12/106:00 am -
1 stop8h 06m
Sun 12/137:41 am -
1 stop3h 43m
Deal found 11/10![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 11/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/223:35 pm -
1 stop5h 50m
Tue 12/295:40 am -
1 stop6h 00m
Deal found 11/11![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 11/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:00 am -
1 stop4h 47m
Mon 12/286:29 pm -
1 stop5h 32m
Deal found 11/8![Delta logo]()
$428
This Delta deal was found by Cheapflights users on 11/10. 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.
Mon 12/286:00 am -
1 stop4h 47m
Wed 12/306:29 pm -
1 stop5h 32m
Deal found 11/10![Delta logo]()
$391
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 November 12, 2026.
Search for one-way flight options from Buffalo to Louisville. Find affordable one-way fares based on user searches. Data last updated November 12, 2026.
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/81:53 pm -
1 stop7h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![United Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 11/10. 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 12/106:00 am -
1 stop5h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Delta logo]()
$194
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/106:00 am -
2 stops10h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![United Airlines logo]()
$253
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 November 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $348 (American Airlines) |
One-way from | $169 (United Airlines) |
Popular in | June |
Cheapest in | April |
Average price | $409 |
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 7,457,451 searches. Data last updated November 12, 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 Buffalo - SDF Louisville Intl
BUFSDF
Buffalo
Tue 12/8
3:00 pm-11:49 pm
2 stops8h 49m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$174
Quickest round-trip
BuffaloLouisville
BUF Buffalo - SDF Louisville Intl
BUFSDF
Buffalo
Thu 12/10
6:00 am-11:15 am
1 stop5h 15m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$194
BuffaloLouisville
BUF Buffalo - SDF Louisville Intl
BUFSDF
Buffalo
Thu 12/10
6:00 am-4:39 pm
2 stops10h 39m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$253
BuffaloLouisville
BUF Buffalo - SDF Louisville Intl
BUFSDF
Buffalo
Tue 1/19
1:09 pm-5:36 pm
1 stop4h 27m
Louisville Intl
Thu 1/21
6:00 am-12:06 pm
1 stop6h 06m
$348
BuffaloLouisville
BUF Buffalo - SDF Louisville Intl
BUFSDF
Buffalo
Tue 1/19
12:55 pm-10:10 pm
2 stops9h 15m
Louisville Intl
Thu 1/21
3:30 pm-9:50 pm
1 stop6h 20m
$357
BuffaloLouisville
BUF Buffalo - SDF Louisville Intl
BUFSDF
Buffalo
Wed 4/28
6:25 am-9:55 am
1 stop3h 30m
Louisville Intl
Tue 5/4
10:15 am-3:11 pm
1 stop4h 56m
$395
BuffaloLouisville
BUF Buffalo - SDF Louisville Intl
BUFSDF
Buffalo
Wed 4/28
2:50 pm-10:50 pm
1 stop8h 00m
Louisville Intl
Tue 5/4
11:50 am-7:20 pm
2 stops7h 30m
$406
BuffaloLouisville
BUF Buffalo - SDF Louisville Intl
BUFSDF
Buffalo
Sat 12/26
6:00 am-10:47 am
1 stop4h 47m
Louisville Intl
Mon 12/28
6:29 pm-12:01 am
1 stop5h 32m
$428
BuffaloLouisville
BUF Buffalo - SDF Louisville Intl
BUFSDF
Buffalo
Wed 4/28
2:50 pm-10:50 pm
1 stop8h 00m
Louisville Intl
Sun 5/2
6:00 am-5:20 pm
1 stop11h 20m
$436
BuffaloLouisville
BUF Buffalo - SDF Louisville Intl
BUFSDF
Buffalo
Wed 11/25
6:35 am-10:09 am
1 stop3h 34m
Louisville Intl
Tue 12/1
5:56 pm-12:01 am
1 stop6h 05m
$458
Showing 1-10 of 12 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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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.
Cheapflights Insights
Everything you need to know about your flight from Buffalo to Louisville
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 November 12, 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.
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
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 locationsShepherdsville
Elizabethtown
Jeffersonville
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Complete your trip
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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 November 12, 2026.
Buffalo and Louisville flights
Browse other Buffalo and Louisville flight options. Last updated on November 12, 2026.
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 November 12, 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 7,457,451 searches. Data last updated November 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$294 | Average$380 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$451 | FlexibilityNo cancel fee | On-timeN/A |