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$77+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BUF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$209
(Southwest)

One-way from

$77
(Southwest)

Popular in

April

Cheapest in

July

Average price

$349
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. 4% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:00 pmSDF - BUF
1 stop8h 33mAmerican Airlines
Tue 12/306:00 amBUF - SDF
1 stop11h 06mAmerican Airlines
Deal found 9/10$207
This Southwest deal was found by Cheapflights users on 9/9. 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.
Thu 11/1312:25 pmSDF - BUF
1 stop4h 45mSouthwest
Tue 11/189:30 amBUF - SDF
1 stop3h 45mSouthwest
Deal found 9/9$209
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:28 pmSDF - BUF
1 stop7h 15mAmerican Airlines
Wed 10/156:14 amBUF - SDF
1 stop7h 29mAmerican Airlines
Deal found 9/9$210
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:25 amSDF - BUF
1 stop4h 37mAmerican Airlines
Tue 11/187:40 amBUF - SDF
1 stop15h 15mAmerican Airlines
Deal found 9/10$222
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:40 pmSDF - BUF
1 stop6h 55mAmerican Airlines
Sun 11/27:40 amBUF - SDF
1 stop9h 10mAmerican Airlines
Deal found 9/10$241
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 11/12:02 pmSDF - BUF
1 stop6h 58mUnited Airlines
Mon 11/35:40 pmBUF - SDF
1 stop4h 49mUnited Airlines
Deal found 9/10$251
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:45 amSDF - BUF
1 stop4h 20mAmerican Airlines
Tue 12/306:00 amBUF - SDF
1 stop7h 30mAmerican Airlines
Deal found 9/9$273
This Southwest deal was found by Cheapflights users on 9/9. 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.
Sat 10/2511:50 amSDF - BUF
1 stop4h 30mSouthwest
Sun 10/267:30 pmBUF - SDF
1 stop5h 10mSouthwest
Deal found 9/9$280
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/87:00 amSDF - BUF
2 stops7h 12mUnited Airlines
Wed 10/155:55 pmBUF - SDF
1 stop4h 35mUnited Airlines
Deal found 9/9$288

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 September 11, 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

Thu 11/13

12:25 pm-5:10 pm

1 stop4h 45m

Buffalo

Tue 11/18

9:30 am-1:15 pm

1 stop3h 45m

$209

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Thu 11/13

6:25 am-11:02 am

1 stop4h 37m

Buffalo

Tue 11/18

7:40 am-10:55 pm

1 stop15h 15m

$222

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Sat 11/1

4:40 pm-11:35 pm

1 stop6h 55m

Buffalo

Sun 11/2

7:40 am-4:50 pm

1 stop9h 10m

$241

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Sat 11/1

2:02 pm-9:00 pm

1 stop6h 58m

Buffalo

Mon 11/3

5:40 pm-10:29 pm

1 stop4h 49m

$251

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Sat 10/25

11:50 am-4:20 pm

1 stop4h 30m

Buffalo

Sun 10/26

7:30 pm-12:40 am

1 stop5h 10m

$280

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 10/8

7:00 am-2:12 pm

2 stops7h 12m

Buffalo

Wed 10/15

5:55 pm-10:30 pm

1 stop4h 35m

$288

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Sat 11/1

7:15 am-6:17 pm

1 stop11h 02m

Buffalo

Sun 11/2

6:59 pm-10:52 am

2 stops15h 53m

$297

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Sat 10/25

10:55 am-10:38 pm

2 stops11h 43m

Buffalo

Sun 10/26

7:00 am-1:17 pm

1 stop6h 17m

$312

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Thu 11/13

10:55 am-1:47 pm

2 stops26h 52m

Buffalo

Mon 11/17

9:53 pm-11:45 pm

1 stop25h 52m

$341

LouisvilleBuffalo

SDF - BUF

SDFBUF

Louisville Intl

Wed 10/1

11:50 am-3:15 pm

1 stop3h 25m

$77

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 14 results
1
2

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 $256). Flying from Louisville to Buffalo in December is currently the most expensive (average of $337). 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 September 11, 2025.

It’s optimal to fly from Louisville to Buffalo in the evening. By choosing this option you can save up to 27% 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 September 11, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, 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
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

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
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

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 and American Airlines can get you from Louisville to Buffalo in just under 4h 37m. Your travel time can differ by up to 08m. 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 United Airlines is currently your cheapest option to Buffalo, with prices starting at $174. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $236 and $284, respectively. Users have found that United Airlines is 60% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Louisville to Buffalo one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $77. Users have also found prices from $107 and $112 on American Airlines and United Airlines, respectively.

  • 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 $256). Flying from Louisville to Buffalo in December is currently the most expensive (average of $337). 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
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

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Top 3 airlines flying from Louisville to Buffalo

Discover the top 3 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$174Average$414FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$236Average$309FlexibilityNo cancel feeOn-time71%
DeltaCheapest$284Average$379FlexibilityNo cancel feeOn-timeN/A

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