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$179+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BUF
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$303
(American Airlines)

One-way from

$179
(United Airlines)

Popular in

April

Cheapest in

July

Average price

$480
Provider with most accurate pricing for Louisville Intl-Buffalo flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Buffalo flights.
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From Louisville Intl to Buffalo
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One-way flight from Louisville Intl to Buffalo
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Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. 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 12/237:24 pmSDF - BUF
1 stop4h 35mAmerican Airlines
Tue 12/306:00 amBUF - SDF
1 stop4h 34mAmerican Airlines
Deal found 10/28$303
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:28 pmSDF - BUF
1 stop5h 34mDelta
Sun 12/712:10 pmBUF - SDF
1 stop6h 42mDelta
Deal found 10/27$307
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/37:00 amSDF - BUF
2 stops7h 22mUnited Airlines
Sun 12/71:50 pmBUF - SDF
1 stop6h 38mUnited Airlines
Deal found 10/29$312
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 11/285:20 pmSDF - BUF
1 stop5h 29mAmerican Airlines
Mon 12/17:13 pmBUF - SDF
1 stop5h 09mAmerican Airlines
Deal found 10/27$357
This Delta deal was found by Cheapflights users on 10/28. 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 11/1410:39 amSDF - BUF
1 stop6h 28mDelta
Wed 11/196:25 pmBUF - SDF
1 stop5h 41mDelta
Deal found 10/28$368
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 12/197:24 pmSDF - BUF
1 stop4h 35mAmerican Airlines
Sun 1/46:00 amBUF - SDF
1 stop4h 48mAmerican Airlines
Deal found 10/27$387
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/144:59 pmSDF - BUF
1 stop6h 46mAmerican Airlines
Wed 11/193:50 pmBUF - SDF
2 stops8h 09mAmerican Airlines
Deal found 10/28$403
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/62:55 pmSDF - BUF
1 stop5h 14mMultiple Airlines
Sat 11/87:12 pmBUF - SDF
2 stops19h 03mMultiple Airlines
Deal found 10/28$420
This Delta deal was found by Cheapflights users on 10/28. 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 11/2512:57 pmSDF - BUF
1 stop4h 22mDelta
Sun 11/306:12 amBUF - SDF
1 stop3h 47mDelta
Deal found 10/28$437
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 11/1511:16 amSDF - BUF
1 stop10h 31mAmerican Airlines
Sun 11/165:27 amBUF - SDF
1 stop11h 02mAmerican Airlines
Deal found 10/28$447
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/289:00 amSDF - BUF
2 stops9h 46mUnited Airlines
Mon 12/17:30 pmBUF - SDF
1 stop19h 15mUnited Airlines
Deal found 10/27$452

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 October 29, 2025.
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

Tue 12/23

7:24 pm-11:59 pm

1 stop4h 35m

Buffalo

Tue 12/30

6:00 am-10:34 am

1 stop4h 34m

$303

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 12/3

5:28 pm-11:02 pm

1 stop5h 34m

Buffalo

Sun 12/7

12:10 pm-6:52 pm

1 stop6h 42m

$307

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 12/3

7:00 am-2:22 pm

2 stops7h 22m

Buffalo

Sun 12/7

7:00 am-11:32 am

1 stop4h 32m

$312

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Tue 3/24

5:00 pm-10:58 pm

1 stop5h 58m

Buffalo

Thu 3/26

6:25 am-9:57 am

1 stop3h 32m

$337

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Fri 11/28

5:20 pm-10:49 pm

1 stop5h 29m

Buffalo

Mon 12/1

7:13 pm-12:22 am

1 stop5h 09m

$357

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Fri 11/14

10:39 am-5:07 pm

1 stop6h 28m

Buffalo

Wed 11/19

6:25 pm-12:06 am

1 stop5h 41m

$368

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Fri 11/28

9:55 am-2:20 pm

1 stop4h 25m

$179

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Fri 11/28

5:20 pm-11:36 pm

1 stop6h 16m

$179

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Sun 11/9

7:11 pm-9:08 pm

3 stops25h 57m

$267

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 11/5

11:00 am-10:58 pm

2 stops11h 58m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 11 results
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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Buffalo flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $73). Flying from Louisville to Buffalo in March is currently the most expensive (average of $256). 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.

What is the cheapest time of day to fly from SDF to BUF?

Find hourly flight availability from Louisville to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

It’s optimal to fly from Louisville to Buffalo in the evening. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the morning.

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 October 29, 2025.
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
7,992 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

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
7,992 reviews
Delta
7.9
Good
7,992 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

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
11,032 reviews
Delta
7.9
Good
7,992 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

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?

    American Airlines, Delta, and United Airlines can get you from Louisville to Buffalo in just under 4h 35m. Your travel time can differ by up to 2h 47m. 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 $245 round trip. Users have found that American Airlines is 57% 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 $73). Flying from Louisville to Buffalo in March is currently the most expensive (average of $256). 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
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$309FlexibilityNo cancel feeOn-time71%
DeltaCheapest$245Average$376FlexibilityNo cancel feeOn-timeN/A

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