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 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 December 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.

$124 Cheap Flights from Buffalo to Louisville in 2025/26

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9:08 am - 1:00 pm

BUF

SDF

27h 52m1 stop

1:55 pm - 7:11 pm

SDF

BUF

29h 16m1 stop

$244Multiple Airlines

Sun, Jan 11 - Fri, Jan 16

8:58 pm - 2:41 pm

BUF

SDF

17h 43m2 stops

1:55 pm - 11:34 am

SDF

BUF

21h 39m1 stop

$245Multiple Airlines

Mon, Jan 19 - Fri, Jan 23

8:58 pm - 2:41 pm

BUF

SDF

17h 43m2 stops

1:55 pm - 11:34 am

SDF

BUF

21h 39m1 stop

$249Multiple Airlines

Mon, Jan 19 - Fri, Jan 23

1:15 pm - 1:00 pm

BUF

SDF

23h 45m2 stops

1:55 pm - 7:11 pm

SDF

BUF

29h 16m1 stop

$274Multiple Airlines

Sun, Jan 11 - Fri, Jan 16

6:00 am - 11:44 am

BUF

SDF

5h 44m1 stop

6:21 pm - 10:57 pm

SDF

BUF

4h 36m1 stop

$294Delta

Tue, Jan 13 - Thu, Jan 15

5:44 pm - 9:15 pm

BUF

SDF

3h 31m1 stop

10:41 am - 4:59 pm

SDF

BUF

6h 18m1 stop

$307Delta

Tue, Jan 13 - Fri, Jan 16

9:08 am - 1:00 pm

BUF

SDF

27h 52m1 stop

3:36 pm - 11:20 am

SDF

BUF

19h 44m2 stops

$309Multiple Airlines

Sun, Jan 11 - Thu, Jan 15

2:49 pm - 7:43 pm

BUF

SDF

4h 54m1 stop

2:05 pm - 8:29 pm

SDF

BUF

6h 24m1 stop

$317United Airlines

Tue, Jan 13 - Sat, Jan 17

6:00 am - 2:48 pm

BUF

SDF

8h 48m2 stops

6:00 am - 12:08 pm

SDF

BUF

6h 08m1 stop

$322American Airlines

Tue, Jan 13 - Sat, Jan 17

6:00 am - 11:44 am

BUF

SDF

5h 44m1 stop

7:50 am - 11:27 am

SDF

BUF

3h 37m1 stop

$331Delta

Mon, Jan 12 - Thu, Jan 15

Delta flights from Buffalo to Louisville

Our best Delta deals on Buffalo to Louisville flight tickets

Delta

Jan 13

BUF6:00 amBuffalo

5h 44m

1 stop

SDF11:44 amLouisville Intl

Jan 15

SDF6:21 pmLouisville Intl

4h 36m

1 stop

BUF10:57 pmBuffalo

$294

Find similar

Delta

Jan 13

BUF5:44 pmBuffalo

3h 31m

1 stop

SDF9:15 pmLouisville Intl

Jan 16

SDF10:41 amLouisville Intl

6h 18m

1 stop

BUF4:59 pmBuffalo

$307

Find similar

Delta

Jan 12

BUF6:00 amBuffalo

5h 44m

1 stop

SDF11:44 amLouisville Intl

Jan 15

SDF7:50 amLouisville Intl

3h 37m

1 stop

BUF11:27 amBuffalo

$331

Find similar

United Airlines flights from Buffalo to Louisville

Our best United Airlines deals on Buffalo to Louisville flight tickets

United Airlines

Jan 13

BUF2:49 pmBuffalo

4h 54m

1 stop

SDF7:43 pmLouisville Intl

Jan 17

SDF2:05 pmLouisville Intl

6h 24m

1 stop

BUF8:29 pmBuffalo

$317

Find similar

United Airlines

Jan 12

BUF2:49 pmBuffalo

8h 34m

2 stops

SDF11:23 pmLouisville Intl

Jan 16

SDF2:05 pmLouisville Intl

6h 24m

1 stop

BUF8:29 pmBuffalo

$349

Find similar

United Airlines

Jan 27

BUF9:55 amBuffalo

4h 53m

1 stop

SDF2:48 pmLouisville Intl

Jan 29

SDF9:50 amLouisville Intl

4h 24m

1 stop

BUF2:14 pmBuffalo

$354

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sun 1/11

9:08 am-1:00 pm

1 stop27h 52m

Louisville Intl

Fri 1/16

1:55 pm-7:11 pm

1 stop29h 16m

$244

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 1/19

8:58 pm-2:41 pm

2 stops17h 43m

Louisville Intl

Fri 1/23

1:55 pm-11:34 am

1 stop21h 39m

$245

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 1/19

8:58 pm-2:41 pm

2 stops17h 43m

Louisville Intl

Fri 1/23

1:55 pm-11:34 am

1 stop21h 39m

$249

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sun 1/11

1:15 pm-1:00 pm

2 stops23h 45m

Louisville Intl

Fri 1/16

1:55 pm-7:11 pm

1 stop29h 16m

$274

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 1/13

6:00 am-11:44 am

1 stop5h 44m

Louisville Intl

Thu 1/15

6:21 pm-10:57 pm

1 stop4h 36m

$294

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 1/13

5:44 pm-9:15 pm

1 stop3h 31m

Louisville Intl

Fri 1/16

10:41 am-4:59 pm

1 stop6h 18m

$307

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sun 1/11

9:08 am-1:00 pm

1 stop27h 52m

Louisville Intl

Thu 1/15

3:36 pm-11:20 am

2 stops19h 44m

$309

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 1/13

2:49 pm-7:43 pm

1 stop4h 54m

Louisville Intl

Sat 1/17

2:05 pm-8:29 pm

1 stop6h 24m

$317

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 1/13

6:00 am-2:48 pm

2 stops8h 48m

Louisville Intl

Sat 1/17

6:00 am-12:08 pm

1 stop6h 08m

$322

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 1/12

6:00 am-11:44 am

1 stop5h 44m

Louisville Intl

Thu 1/15

7:50 am-11:27 am

1 stop3h 37m

$331

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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	3h 30m
Direct flights	None

The fastest flight from Buffalo to Louisville takes 3h 30m

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 30m.
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 December 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 61% of all bookings. The subsequent popular airline is American Airlines at 39%.

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 8,008 reviews		Search Delta flights
American Airlines	PriceFrom $272	Free Cancellation	Rating 7.2 11,048 reviews		Search American Airlines flights

French Lick

Elizabethtown

West Baden Springs

Bardstown

Jeffersonville

Shepherdsville

New Albany

Corydon

Elizabeth

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.