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$172+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BUF
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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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 March 11, 2026.

This Delta deal was found by Cheapflights users on 3/8. 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 5/95:50 pm
SDF
-
BUF
1 stop6h 09m
Delta
Tue 5/126:15 am
BUF
-
SDF
1 stop5h 48m
Delta
Deal found 3/8$275
This Southwest deal was found by Cheapflights users on 3/8. 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.
Sat 5/94:25 pm
SDF
-
BUF
1 stop4h 15m
Southwest
Tue 5/121:10 pm
BUF
-
SDF
2 stops7h 55m
Southwest
Deal found 3/8$280
This Southwest deal was found by Cheapflights users on 3/7. 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 5/123:30 pm
SDF
-
BUF
1 stop4h 55m
Southwest
Sat 5/235:00 pm
BUF
-
SDF
1 stop6h 20m
Southwest
Deal found 3/7$309
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Tue 5/124:17 pm
SDF
-
BUF
2 stops7h 38m
United Airlines
Sat 5/2310:40 am
BUF
-
SDF
1 stop6h 09m
United Airlines
Deal found 3/7$314
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 5/27:15 am
SDF
-
BUF
1 stop6h 03m
United Airlines
Wed 5/65:50 pm
BUF
-
SDF
1 stop4h 40m
United Airlines
Deal found 3/8$335
This Southwest deal was found by Cheapflights users on 3/7. 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 5/133:30 pm
SDF
-
BUF
2 stops6h 45m
Southwest
Tue 5/191:10 pm
BUF
-
SDF
2 stops7h 25m
Southwest
Deal found 3/7$336
This Delta deal was found by Cheapflights users on 3/7. 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 4/65:35 pm
SDF
-
BUF
1 stop6h 11m
Delta
Mon 4/137:40 pm
BUF
-
SDF
1 stop4h 19m
Delta
Deal found 3/7$343
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2412:53 pm
SDF
-
BUF
1 stop5h 48m
Delta
Mon 6/299:00 am
BUF
-
SDF
1 stop4h 38m
Delta
Deal found 3/6$355
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:11 am
SDF
-
BUF
1 stop5h 19m
Delta
Mon 6/17:40 pm
BUF
-
SDF
1 stop4h 45m
Delta
Deal found 3/6$359

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(Delta)

One-way from

$172
(American Airlines)

Popular in

April

Cheapest in

August

Average price

$550
Provider with most accurate pricing for Louisville Intl-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Buffalo flights.
Search Deals
From Louisville Intl to Buffalo
Search Deals
One-way flight from Louisville Intl to Buffalo
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 11, 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

Sat 5/9

5:50 pm-11:59 pm

1 stop6h 09m

Buffalo

Tue 5/12

6:15 am-12:03 pm

1 stop5h 48m

$275

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Sat 5/9

4:25 pm-8:40 pm

1 stop4h 15m

Buffalo

Tue 5/12

1:10 pm-9:05 pm

2 stops7h 55m

$280

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 5/13

3:36 pm-9:01 pm

1 stop5h 25m

Buffalo

Tue 5/19

10:31 am-7:42 pm

2 stops9h 11m

$280

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Tue 5/12

4:17 pm-11:55 pm

2 stops7h 38m

Buffalo

Sat 5/23

10:40 am-4:49 pm

1 stop6h 09m

$314
Quickest round-trip

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Sat 5/2

9:55 am-2:10 pm

1 stop4h 15m

Buffalo

Wed 5/6

7:00 am-2:07 pm

1 stop7h 07m

$335

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 5/13

3:30 pm-10:15 pm

2 stops6h 45m

Buffalo

Tue 5/19

1:10 pm-8:35 pm

2 stops7h 25m

$336
Cheapest one-way
Quickest one-way

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Mon 6/8

2:36 pm-9:57 pm

1 stop7h 21m

$172

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 4/15

9:07 am-6:49 pm

2 stops9h 42m

$173

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Mon 6/8

3:35 pm-12:10 am

2 stops8h 35m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Sorted by cheapest first

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 March.
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

What is the cheapest month to book a flight from Louisville to Buffalo?

Currently, October is the cheapest month in which you can book a flight from Louisville to Buffalo (average of $146). Flying from Louisville to Buffalo in February is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 March 11, 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.
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
7.9
Good
8,278 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.1
Good
11,419 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

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?

    Delta, Southwest, and United Airlines can get you from Louisville to Buffalo in just under 4h 15m. Your travel time can differ by up to 1h 54m. 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 52% 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.

  • What is the cheapest month to book a flight from Louisville to Buffalo?

    Currently, October is the cheapest month in which you can book a flight from Louisville to Buffalo (average of $146). Flying from Louisville to Buffalo in February is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$286FlexibilityNo cancel feeOn-time71%
DeltaCheapest$239Average$394FlexibilityNo cancel feeOn-timeN/A

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