Buffalo

$146+ Cheap flights from Louisville to Buffalo (SDF - BUF)

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BUF
May 28 — Jun 41
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Cheap flight deals from Louisville to Buffalo

Cheapest flights from Louisville to Buffalo
Explore the most affordable flight options available from Louisville to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.

This Delta deal was found by Cheapflights users on 4/23. 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 5/235:47 pm
SDF
-
BUF
1 stop6h 12m
Delta
Sat 6/66:25 am
BUF
-
SDF
1 stop3h 34m
Delta
Deal found 4/23$293
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/238:06 pm
SDF
-
BUF
1 stop23h 58m
Multiple Airlines
Thu 5/2811:36 am
BUF
-
SDF
2 stops21h 52m
Multiple Airlines
Deal found 4/25$295
This Southwest deal was found by Cheapflights users on 4/23. 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 8/196:00 am
SDF
-
BUF
1 stop5h 40m
Southwest
Fri 8/216:30 am
BUF
-
SDF
1 stop7h 05m
Southwest
Deal found 4/23$297
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/238:06 pm
SDF
-
BUF
1 stop23h 58m
Multiple Airlines
Sat 6/67:52 pm
BUF
-
SDF
2 stops37h 36m
Multiple Airlines
Deal found 4/23$305
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 5/188:36 am
SDF
-
BUF
1 stop5h 45m
American Airlines
Mon 5/258:00 am
BUF
-
SDF
1 stop6h 16m
American Airlines
Deal found 4/27$311
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/302:10 pm
SDF
-
BUF
1 stop6h 53m
United Airlines
Wed 6/36:00 am
BUF
-
SDF
1 stop6h 21m
United Airlines
Deal found 4/23$326
This Delta deal was found by Cheapflights users on 4/24. 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 6/245:59 pm
SDF
-
BUF
1 stop5h 33m
Delta
Mon 6/295:12 pm
BUF
-
SDF
1 stop7h 20m
Delta
Deal found 4/24$345
This Southwest deal was found by Cheapflights users on 4/23. 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 8/204:10 pm
SDF
-
BUF
1 stop6h 05m
Southwest
Sun 8/236:20 am
BUF
-
SDF
1 stop6h 30m
Southwest
Deal found 4/23$352
This Southwest deal was found by Cheapflights users on 4/23. 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.
Sat 5/236:40 am
SDF
-
BUF
2 stops9h 35m
Southwest
Sat 6/62:40 pm
BUF
-
SDF
2 stops8h 40m
Southwest
Deal found 4/23$362

Find flight deals from Louisville to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Buffalo (BUF). 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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$293
(Delta)

One-way from

$146
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$698
Provider with most accurate pricing for Louisville Intl-Buffalo flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-Buffalo flights.
From Louisville Intl to Buffalo
One-way flight from Louisville Intl to Buffalo
Highest demand for flights based on searches. 29% potential increase in price ($186 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Buffalo 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 April 28, 2026.
Use the filters below to find and compare flights from Louisville to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 8/19

7:05 am-2:20 pm

2 stops7h 15m

Buffalo

Fri 8/21

6:30 am-1:35 pm

1 stop7h 05m

$302

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Sat 5/30

2:10 pm-9:03 pm

1 stop6h 53m

Buffalo

Wed 6/3

6:00 am-12:21 pm

1 stop6h 21m

$326

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 6/24

10:35 am-3:21 pm

1 stop4h 46m

Buffalo

Mon 6/29

12:04 pm-4:46 pm

1 stop4h 42m

$345
Quickest round-trip

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Fri 5/22

10:39 am-3:12 pm

1 stop4h 33m

Buffalo

Sat 6/6

6:25 am-9:59 am

1 stop3h 34m

$363

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Thu 7/16

5:55 pm-11:38 pm

1 stop5h 43m

Buffalo

Mon 7/20

2:27 pm-8:59 pm

1 stop6h 32m

$395

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Thu 8/20

6:45 am-12:45 pm

2 stops6h 00m

Buffalo

Sun 8/23

6:20 am-2:10 pm

2 stops7h 50m

$405
Cheapest one-way

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Fri 6/5

10:33 am-11:28 am

2 stops24h 55m

$146

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Fri 6/5

5:52 pm-11:59 pm

1 stop6h 07m

$198

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Fri 7/17

7:11 pm-11:44 pm

1 stop4h 33m

$198
Quickest one-way

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Mon 9/28

7:30 pm-11:58 pm

1 stop4h 28m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from Louisville to Buffalo

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 Louisville to Buffalo in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Buffalo 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 Louisville-Buffalo 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 Louisville to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Buffalo

How much does it cost to fly round-trip from Louisville to Buffalo?

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated April 28, 2026.
Get a feel of what it's like to fly with Delta and American Airlines from Louisville to Buffalo 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

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Louisville to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Louisville to Buffalo?

    Southwest, United Airlines, and Delta can get you from Louisville to Buffalo in just under 4h 46m. Your travel time can differ by up to 2h 29m. Airlines will cover a distance of 493 mi. This flight may include one or multiple stops.

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

    Flying on American Airlines is currently your cheapest option to Buffalo, with prices starting at $196. Another option worth looking into is Delta, starting at $239 round trip. Users have found that American Airlines is 56% cheaper than the other options available to this destination.

  • Can I find deals for flights from Louisville to Buffalo that include hotel bookings?

    Yes. In addition to deals on Louisville to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Buffalo.

  • Can I find deals for business class flights from Louisville to Buffalo?

    Yes. Cheapflights offers flight deals from Louisville to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Louisville to Buffalo

Discover the top 2 airlines that operate flights from Louisville to Buffalo. 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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$286FlexibilityNo cancel feeOn-time71%
DeltaCheapest$239Average$387FlexibilityNo cancel feeOn-timeN/A

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