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$166+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BUF
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This Delta deal was found by Cheapflights users on 1/26. 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 3/47:50 am
SDF
-
BUF
1 stop3h 53m
Delta
Sat 3/76:01 am
BUF
-
SDF
1 stop7h 51m
Delta
Deal found 1/26$289
This United Airlines deal was found by Cheapflights users on 1/26. 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 3/41:50 pm
SDF
-
BUF
2 stops9h 54m
United Airlines
Sat 3/72:49 pm
BUF
-
SDF
1 stop4h 53m
United Airlines
Deal found 1/26$294
This Delta deal was found by Cheapflights users on 1/26. 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 6/2410:15 am
SDF
-
BUF
1 stop4h 56m
Delta
Mon 6/297:40 pm
BUF
-
SDF
1 stop4h 19m
Delta
Deal found 1/26$335
This American Airlines deal was found by Cheapflights users on 1/26. 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 3/47:35 am
SDF
-
BUF
2 stops7h 50m
American Airlines
Sat 3/711:28 am
BUF
-
SDF
2 stops9h 23m
American Airlines
Deal found 1/26$346
This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:00 am
SDF
-
BUF
1 stop5h 01m
Delta
Sun 3/226:15 am
BUF
-
SDF
1 stop3h 55m
Delta
Deal found 1/25$355
This United Airlines deal was found by Cheapflights users on 1/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/141:26 pm
SDF
-
BUF
1 stop4h 24m
United Airlines
Wed 2/187:00 am
BUF
-
SDF
1 stop6h 23m
United Airlines
Deal found 1/24$375
This Southwest deal was found by Cheapflights users on 1/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/134:30 pm
SDF
-
BUF
2 stops7h 40m
Southwest
Sun 3/2212:40 pm
BUF
-
SDF
2 stops8h 30m
Southwest
Deal found 1/25$406
This United Airlines deal was found by Cheapflights users on 1/26. 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 6/245:45 am
SDF
-
BUF
2 stops8h 01m
United Airlines
Mon 6/294:38 pm
BUF
-
SDF
1 stop5h 52m
United Airlines
Deal found 1/26$440

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(Delta)

One-way from

$166
(Delta)

Popular in

April

Cheapest in

July

Average price

$720
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. 4% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 27, 2026.
Use the filters below to find and compare flights from Louisville to Buffalo that are best for you.

Fly from

Louisville

Fly to

Buffalo

Route

Depart

Return

Price

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 3/4

1:50 pm-11:44 pm

2 stops9h 54m

Buffalo

Sat 3/7

2:49 pm-7:42 pm

1 stop4h 53m

$294

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 6/24

7:20 pm-12:52 am

1 stop5h 32m

Buffalo

Mon 6/29

10:48 am-4:19 pm

1 stop5h 31m

$335

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 6/24

8:10 am-3:30 pm

1 stop7h 20m

Buffalo

Mon 6/29

9:00 am-1:38 pm

1 stop4h 38m

$335

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 3/4

7:35 am-3:25 pm

2 stops7h 50m

Buffalo

Sat 3/7

11:28 am-8:51 pm

2 stops9h 23m

$346

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Fri 3/13

6:00 am-11:01 am

1 stop5h 01m

Buffalo

Sun 3/22

6:15 am-10:10 am

1 stop3h 55m

$355

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Sat 2/14

1:26 pm-5:50 pm

1 stop4h 24m

Buffalo

Wed 2/18

7:00 am-1:23 pm

1 stop6h 23m

$375

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Fri 3/13

4:30 pm-11:15 pm

1 stop6h 45m

Buffalo

Sun 3/22

12:40 pm-9:10 pm

2 stops8h 30m

$380

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Mon 2/23

6:44 pm-10:57 pm

1 stop4h 13m

$166

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Mon 2/23

1:50 pm-11:44 pm

2 stops9h 54m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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 January.
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, January is the cheapest month in which you can book a flight from Louisville to Buffalo (average of $70). Flying from Louisville to Buffalo in February is currently the most expensive (average of $278). 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.

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 January 27, 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
8,118 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

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
8,118 reviews
Delta
7.9
Good
8,118 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.2
Good
11,197 reviews
Delta
7.9
Good
8,118 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

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?

    United Airlines, American Airlines, and Delta can get you from Louisville to Buffalo in just under 5h 32m. Your travel time can differ by up to 4h 22m. 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 55% 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, January is the cheapest month in which you can book a flight from Louisville to Buffalo (average of $70). Flying from Louisville to Buffalo in February is currently the most expensive (average of $278). 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$293FlexibilityNo cancel feeOn-time71%
DeltaCheapest$239Average$356FlexibilityNo cancel feeOn-timeN/A

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