What airlines fly to Louisville?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Louisville from Buffalo according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 3 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Buffalo to Louisville Intl?

American Airlines, Delta, and United Airlines are the most popular carriers operating from Buffalo to Louisville Intl

When did momondo last update prices for flights from Buffalo Airport to Louisville Intl Airport?

Prices for flights from Buffalo Airport to Louisville Intl Airport are updated daily.

How many operators does momondo search for flights from Buffalo Airport to Louisville Intl Airport?

There are 2 operators available for flights from Buffalo Airport to Louisville Intl Airport as of November 2025.

How old do you have to be to fly from Buffalo Airport to Louisville Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Louisville Intl Airport.

What documentation or ID do you need to fly to Louisville Intl Airport?

The required travel and health documents for your Louisville Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Louisville Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$128 Cheap Flights from Buffalo to Louisville in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Buffalo to Louisville

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:03 am - 10:11 amBUF-SDF

4h 08m1 stop

5:00 pm - 10:52 pmSDF-BUF

5h 52m1 stop

$257Delta

Find Deal

Sat, Jan 17 - Wed, Jan 21

10:10 am - 2:45 pmBUF-SDF

4h 35m1 stop

7:00 am - 2:22 pmSDF-BUF

7h 22m2 stops

$262United Airlines

Find Deal

Wed, Dec 10 - Sat, Dec 13

2:56 pm - 9:05 pmBUF-SDF

6h 09m1 stop

7:50 am - 11:42 amSDF-BUF

3h 52m1 stop

$270Delta

Find Deal

Thu, Jan 8 - Sat, Jan 10

6:00 am - 2:48 pmBUF-SDF

8h 48m2 stops

5:26 pm - 9:16 pmSDF-BUF

3h 50m1 stop

$275American Airlines

Find Deal

Thu, Jan 8 - Sat, Jan 10

2:49 pm - 10:30 pmBUF-SDF

7h 41m2 stops

11:10 am - 7:25 pmSDF-BUF

8h 15m2 stops

$291United Airlines

Find Deal

Thu, Jan 8 - Sat, Jan 10

6:32 pm - 7:23 pmBUF-SDF

24h 51m2 stops

2:55 pm - 7:13 pmSDF-BUF

4h 18m1 stop

$298Multiple Airlines

Find Deal

Tue, Dec 23 - Tue, Dec 30

7:58 pm - 7:23 pmBUF-SDF

23h 25m1 stop

2:55 pm - 7:13 pmSDF-BUF

4h 18m1 stop

$311Multiple Airlines

Find Deal

Tue, Dec 23 - Tue, Dec 30

8:40 am - 12:45 pmBUF-SDF

4h 05m1 stop

5:35 am - 12:30 pmSDF-BUF

6h 55m1 stop

$320Southwest

Find Deal

Thu, Feb 5 - Sun, Feb 8

7:07 am - 12:25 pmBUF-SDF

5h 18m1 stop

6:00 am - 3:17 pmSDF-BUF

9h 17m2 stops

$322American Airlines

Find Deal

Sat, Jan 17 - Wed, Jan 21

7:05 am - 3:30 pmBUF-SDF

8h 25m1 stop

6:45 am - 3:10 pmSDF-BUF

8h 25m2 stops

$325Southwest

Find Deal

Thu, Feb 5 - Sun, Feb 8

Delta flights from Buffalo to Louisville

Our best Delta deals on Buffalo to Louisville flight tickets

Delta

Jan 17

BUF6:03 amBuffalo

4h 08m

1 stop

SDF10:11 amLouisville Intl

Jan 21

SDF5:00 pmLouisville Intl

5h 52m

1 stop

BUF10:52 pmBuffalo

$257

Find similar

Delta

Jan 8

BUF2:56 pmBuffalo

6h 09m

1 stop

SDF9:05 pmLouisville Intl

Jan 10

SDF7:50 amLouisville Intl

3h 52m

1 stop

BUF11:42 amBuffalo

$270

Find similar

Delta

Dec 10

BUF10:27 amBuffalo

6h 21m

1 stop

SDF4:48 pmLouisville Intl

Dec 14

SDF10:44 amLouisville Intl

6h 26m

1 stop

BUF5:10 pmBuffalo

$378

Find similar

United Airlines flights from Buffalo to Louisville

Our best United Airlines deals on Buffalo to Louisville flight tickets

United Airlines

Dec 10

BUF10:10 amBuffalo

4h 35m

1 stop

SDF2:45 pmLouisville Intl

Dec 13

SDF7:00 amLouisville Intl

7h 22m

2 stops

BUF2:22 pmBuffalo

$262

Find similar

United Airlines

Jan 8

BUF2:49 pmBuffalo

7h 41m

2 stops

SDF10:30 pmLouisville Intl

Jan 10

SDF11:10 amLouisville Intl

8h 15m

2 stops

BUF7:25 pmBuffalo

$291

Find similar

United Airlines

Jan 17

BUF2:49 pmBuffalo

7h 41m

2 stops

SDF10:30 pmLouisville Intl

Jan 21

SDF5:35 amLouisville Intl

8h 39m

2 stops

BUF2:14 pmBuffalo

$327

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sat 1/17

6:03 am-10:11 am

1 stop4h 08m

Louisville Intl

Wed 1/21

5:00 pm-10:52 pm

1 stop5h 52m

$257

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Wed 12/10

10:10 am-2:45 pm

1 stop4h 35m

Louisville Intl

Sat 12/13

7:00 am-2:22 pm

2 stops7h 22m

$262

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 1/8

2:56 pm-9:05 pm

1 stop6h 09m

Louisville Intl

Sat 1/10

7:50 am-11:42 am

1 stop3h 52m

$270

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 1/8

6:00 am-2:48 pm

2 stops8h 48m

Louisville Intl

Sat 1/10

5:26 pm-9:16 pm

1 stop3h 50m

$275

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 1/8

2:49 pm-10:30 pm

2 stops7h 41m

Louisville Intl

Sat 1/10

11:10 am-7:25 pm

2 stops8h 15m

$291

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 12/23

6:32 pm-7:23 pm

2 stops24h 51m

Louisville Intl

Tue 12/30

2:55 pm-7:13 pm

1 stop4h 18m

$298

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 12/23

7:58 pm-7:23 pm

1 stop23h 25m

Louisville Intl

Tue 12/30

2:55 pm-7:13 pm

1 stop4h 18m

$311

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 2/5

8:40 am-12:45 pm

1 stop4h 05m

Louisville Intl

Sun 2/8

5:35 am-12:30 pm

1 stop6h 55m

$320

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sat 1/17

7:07 am-12:25 pm

1 stop5h 18m

Louisville Intl

Wed 1/21

6:00 am-3:17 pm

2 stops9h 17m

$322

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 2/5

7:05 am-3:30 pm

1 stop8h 25m

Louisville Intl

Sun 2/8

6:45 am-3:10 pm

2 stops8h 25m

$325

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from Buffalo is on a Friday. momondo users have found tickets for Friday departures for as low as $337. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Buffalo to Louisville on a Monday will generally be more expensive and average around $489. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest Buffalo to Louisville flights are usually those with departure times in the morning. Our users have found flights to Louisville in the morning for as low as $371. In the evening is when there is more demand to fly to Louisville, so prices are often more expensive at around $508 per ticket.

When to book flights from Buffalo to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Louisville according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Buffalo to Louisville (BUF to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Louisville

Fastest flight time	4h 05m
Direct flights	None

The fastest flight from Buffalo to Louisville takes 4h 05m

There are no direct flights from Buffalo to Louisville. There are no popular flight routes from Buffalo to Louisville.

Search flight deals

How far is Buffalo to Louisville Intl by plane?
The distance between Buffalo and Louisville Intl is about 482.0 mi. By plane, this route typically takes 3h 55m.
When did momondo last update prices for flights from Buffalo Airport to Louisville Intl Airport?
Prices for flights from Buffalo Airport to Louisville Intl Airport are updated daily.
How many operators does momondo search for flights from Buffalo Airport to Louisville Intl Airport?
There are 2 operators available for flights from Buffalo Airport to Louisville Intl Airport as of November 2025.
How old do you have to be to fly from Buffalo Airport to Louisville Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The required travel and health documents for your Louisville Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Louisville Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Buffalo to Louisville?
momondo data reveals that the most frequently booked airline on the route from Buffalo to Louisville is Delta, representing 62% of all bookings. The subsequent popular airline is American Airlines at 38%.

Best airlines flying from Buffalo to Louisville

Compare and see reviews for airlines that fly from Buffalo to Louisville with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $250	Free Cancellation	Rating 7.9 7,998 reviews		Search Delta flights
American Airlines	PriceFrom $272	Free Cancellation	Rating 7.2 11,038 reviews		Search American Airlines flights

French Lick

Elizabethtown

West Baden Springs

Bardstown

Jeffersonville

Shepherdsville

New Albany

Elizabeth

Corydon

Charlestown

Springfield

Brandenburg

Georgetown

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Louisville?

It is quick and easy to find Buffalo to Louisville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Louisville that suits you.

Can I find flights from Buffalo to Louisville with flexible booking policies on momondo?

Flights from Buffalo to Louisville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buffalo to Louisville?

momondo helps you find the best flight between Buffalo and Louisville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Buffalo to Louisville right now. Can momondo alert me if prices change?

Price alerts on flights to Louisville from Buffalo are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.