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

American Airlines is the most popular carrier operating from Buffalo to Louisville Intl

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 51% 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.

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 is 1 operator available for flights from Buffalo Airport to Louisville Intl Airport as of January 2026.

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.

$176 Cheap Flights from Buffalo to Louisville in 2026

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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.

6:01 am - 11:47 am

BUF

SDF

5h 46m

1 stop

5:02 pm - 10:39 pm

SDF

BUF

5h 37m

1 stop

$305Delta

Wed, Feb 18 - Fri, Feb 20

7:00 am - 1:17 pm

BUF

SDF

6h 17m

1 stop

7:05 am - 1:17 pm

SDF

BUF

6h 12m

1 stop

$309United Airlines

Tue, Mar 10 - Wed, Mar 11

10:45 am - 8:30 pm

BUF

SDF

9h 45m

2 stops

11:50 am - 3:30 pm

SDF

BUF

3h 40m

1 stop

$314Southwest

Tue, Mar 10 - Wed, Mar 11

4:40 pm - 11:30 pm

BUF

SDF

6h 50m

1 stop

8:55 am - 3:30 pm

SDF

BUF

6h 35m

1 stop

$315Southwest

Wed, Mar 11 - Wed, Mar 25

5:55 pm - 12:40 am

BUF

SDF

6h 45m

1 stop

8:55 am - 3:30 pm

SDF

BUF

6h 35m

1 stop

$320Southwest

Mon, Mar 9 - Wed, Mar 11

3:55 pm - 10:40 pm

BUF

SDF

6h 45m

2 stops

11:50 am - 3:30 pm

SDF

BUF

3h 40m

1 stop

$325Southwest

Mon, Mar 9 - Wed, Mar 11

1:20 pm - 10:15 pm

BUF

SDF

8h 55m

2 stops

8:55 am - 6:20 pm

SDF

BUF

9h 25m

2 stops

$326Southwest

Wed, Mar 11 - Wed, Mar 25

7:41 pm - 12:27 am

BUF

SDF

4h 46m

1 stop

4:50 pm - 11:31 pm

SDF

BUF

6h 41m

1 stop

$331American Airlines

Mon, Feb 16 - Mon, Feb 23

7:41 pm - 12:27 am

BUF

SDF

4h 46m

1 stop

4:50 pm - 10:50 pm

SDF

BUF

6h 00m

2 stops

$336American Airlines

Mon, Feb 16 - Mon, Feb 23

2:58 pm - 9:03 pm

BUF

SDF

6h 05m

1 stop

6:44 pm - 10:57 pm

SDF

BUF

4h 13m

1 stop

$343Delta

Sun, Feb 22 - Mon, Feb 23

Delta flights from Buffalo to Louisville

Our best Delta deals on Buffalo to Louisville flight tickets

Delta

Feb 18

BUF6:01 amBuffalo

5h 46m

1 stop

SDF11:47 amLouisville Intl

Feb 20

SDF5:02 pmLouisville Intl

5h 37m

1 stop

BUF10:39 pmBuffalo

$305

Delta

Apr 10

BUF6:15 amBuffalo

3h 55m

1 stop

SDF10:10 amLouisville Intl

Apr 15

SDF7:59 amLouisville Intl

3h 46m

1 stop

BUF11:45 amBuffalo

$372

Delta

Apr 10

BUF6:15 amBuffalo

3h 55m

1 stop

SDF10:10 amLouisville Intl

Apr 15

SDF9:35 amLouisville Intl

6h 19m

1 stop

BUF3:54 pmBuffalo

$397

American Airlines flights from Buffalo to Louisville

Our best American Airlines deals on Buffalo to Louisville flight tickets

American Airlines

Feb 18

BUF4:04 pmBuffalo

7h 01m

2 stops

SDF11:05 pmLouisville Intl

Feb 20

SDF6:00 amLouisville Intl

4h 58m

1 stop

BUF10:58 amBuffalo

$391

American Airlines

Feb 4

BUF5:12 amBuffalo

10h 50m

1 stop

SDF4:02 pmLouisville Intl

Feb 8

SDF6:00 amLouisville Intl

10h 57m

1 stop

BUF4:57 pmBuffalo

$417

American Airlines

Feb 20

BUF7:45 pmBuffalo

4h 42m

1 stop

SDF12:27 amLouisville Intl

Feb 22

SDF6:00 amLouisville Intl

6h 14m

1 stop

BUF12:14 pmBuffalo

$481

Fly from

Fly to

Route

Depart

Return

Price

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Wed 2/18

6:01 am-11:47 am

1 stop5h 46m

Louisville Intl

Fri 2/20

5:02 pm-10:39 pm

1 stop5h 37m

$305

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 3/10

7:00 am-1:17 pm

1 stop6h 17m

Louisville Intl

Wed 3/11

7:05 am-1:17 pm

1 stop6h 12m

$309

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 3/10

10:45 am-8:30 pm

2 stops9h 45m

Louisville Intl

Wed 3/11

11:50 am-3:30 pm

1 stop3h 40m

$314

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Wed 3/11

4:40 pm-11:30 pm

1 stop6h 50m

Louisville Intl

Wed 3/25

8:55 am-3:30 pm

1 stop6h 35m

$315

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 3/9

5:55 pm-12:40 am

1 stop6h 45m

Louisville Intl

Wed 3/11

8:55 am-3:30 pm

1 stop6h 35m

$320

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 3/9

3:55 pm-10:40 pm

2 stops6h 45m

Louisville Intl

Wed 3/11

11:50 am-3:30 pm

1 stop3h 40m

$325

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Wed 3/11

1:20 pm-10:15 pm

2 stops8h 55m

Louisville Intl

Wed 3/25

8:55 am-6:20 pm

2 stops9h 25m

$326

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 2/16

7:41 pm-12:27 am

1 stop4h 46m

Louisville Intl

Mon 2/23

4:50 pm-11:31 pm

1 stop6h 41m

$331

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 2/16

7:41 pm-12:27 am

1 stop4h 46m

Louisville Intl

Mon 2/23

4:50 pm-10:50 pm

2 stops6h 00m

$336

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sun 2/22

2:58 pm-9:03 pm

1 stop6h 05m

Louisville Intl

Mon 2/23

6:44 pm-10:57 pm

1 stop4h 13m

$343

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

How have Buffalo to Louisville flight prices changed over time?

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	3h 55m
Direct flights	None

The fastest flight from Buffalo to Louisville takes 3h 55m

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 is 1 operator available for flights from Buffalo Airport to Louisville Intl Airport as of January 2026.
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 100% of all bookings.

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 $153	Free Cancellation	Rating 7.9 8,088 reviews		Search Delta flights

French Lick

Elizabethtown

West Baden Springs

Bardstown

Jeffersonville

Shepherdsville

New Albany

Corydon

Elizabeth

Charlestown

Brandenburg

Springfield

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.