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

Delta 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.

$177 Cheap Flights from Buffalo to Louisville in 2026

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Find the cheapest flights from Buffalo to Louisville

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:34 am - 12:21 pm

BUF

SDF

24h 47m

1 stop

9:21 pm - 12:53 pm

SDF

BUF

15h 32m

2 stops

$331Multiple Airlines

Sun, Feb 22 - Sun, Mar 1

6:15 am - 10:10 am

BUF

SDF

3h 55m

1 stop

11:12 am - 3:53 pm

SDF

BUF

4h 41m

1 stop

$341Delta

Fri, Apr 10 - Wed, Apr 15

6:15 am - 10:10 am

BUF

SDF

3h 55m

1 stop

6:00 am - 11:01 am

SDF

BUF

5h 01m

1 stop

$375Delta

Fri, Apr 10 - Wed, Apr 15

5:12 am - 4:02 pm

BUF

SDF

10h 50m

1 stop

6:00 am - 4:52 pm

SDF

BUF

10h 52m

1 stop

$417American Airlines

Wed, Feb 11 - Sun, Feb 15

8:00 am - 12:49 pm

BUF

SDF

4h 49m

1 stop

5:06 pm - 9:18 pm

SDF

BUF

4h 12m

1 stop

$433American Airlines

Thu, Apr 2 - Sat, Apr 4

5:29 pm - 10:13 pm

BUF

SDF

4h 44m

1 stop

9:00 am - 6:42 pm

SDF

BUF

9h 42m

2 stops

$458United Airlines

Mon, Mar 23 - Thu, Mar 26

12:20 pm - 9:50 pm

BUF

SDF

9h 30m

2 stops

4:15 pm - 10:30 pm

SDF

BUF

6h 15m

1 stop

$504Southwest

Wed, Feb 11 - Sun, Feb 15

1:20 pm - 10:10 pm

BUF

SDF

8h 50m

2 stops

5:25 am - 1:55 pm

SDF

BUF

8h 30m

2 stops

$509Southwest

Wed, Feb 11 - Sun, Feb 15

2:49 pm - 11:59 pm

BUF

SDF

9h 10m

2 stops

9:00 am - 6:42 pm

SDF

BUF

9h 42m

2 stops

$518United Airlines

Mon, Mar 23 - Thu, Mar 26

6:00 am - 11:13 am

BUF

SDF

5h 13m

1 stop

6:00 am - 12:14 pm

SDF

BUF

6h 14m

1 stop

$523American Airlines

Fri, Feb 13 - Sun, Feb 22

Delta flights from Buffalo to Louisville

Our best Delta deals on Buffalo to Louisville flight tickets

Delta

Mar 23

BUF10:32 amBuffalo

3h 05m

1 stop

SDF1:37 pmLouisville Intl

Mar 26

SDF5:55 pmLouisville Intl

5h 00m

1 stop

BUF10:55 pmBuffalo

$331

Delta

Apr 10

BUF6:15 amBuffalo

3h 55m

1 stop

SDF10:10 amLouisville Intl

Apr 15

SDF11:12 amLouisville Intl

4h 41m

1 stop

BUF3:53 pmBuffalo

$341

Delta

Apr 10

BUF6:15 amBuffalo

3h 55m

1 stop

SDF10:10 amLouisville Intl

Apr 15

SDF6:00 amLouisville Intl

5h 01m

1 stop

BUF11:01 amBuffalo

$375

American Airlines flights from Buffalo to Louisville

Our best American Airlines deals on Buffalo to Louisville flight tickets

American Airlines

Feb 11

BUF5:12 amBuffalo

10h 50m

1 stop

SDF4:02 pmLouisville Intl

Feb 15

SDF6:00 amLouisville Intl

10h 52m

1 stop

BUF4:52 pmBuffalo

$417

American Airlines

Apr 2

BUF8:00 amBuffalo

4h 49m

1 stop

SDF12:49 pmLouisville Intl

Apr 4

SDF5:06 pmLouisville Intl

4h 12m

1 stop

BUF9:18 pmBuffalo

$433

American Airlines

Jan 31

BUF5:16 amBuffalo

10h 39m

1 stop

SDF3:55 pmLouisville Intl

Feb 3

SDF11:08 amLouisville Intl

12h 34m

1 stop

BUF11:42 pmBuffalo

$587

Fly from

Fly to

Route

Depart

Return

Price

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sun 2/22

11:34 am-12:21 pm

1 stop24h 47m

Louisville Intl

Sun 3/1

9:21 pm-12:53 pm

2 stops15h 32m

$331

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 4/10

6:15 am-10:10 am

1 stop3h 55m

Louisville Intl

Wed 4/15

11:12 am-3:53 pm

1 stop4h 41m

$341

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 4/10

6:15 am-10:10 am

1 stop3h 55m

Louisville Intl

Wed 4/15

6:00 am-11:01 am

1 stop5h 01m

$375

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Wed 2/11

5:12 am-4:02 pm

1 stop10h 50m

Louisville Intl

Sun 2/15

6:00 am-4:52 pm

1 stop10h 52m

$417

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 4/2

8:00 am-12:49 pm

1 stop4h 49m

Louisville Intl

Sat 4/4

5:06 pm-9:18 pm

1 stop4h 12m

$433

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 3/23

5:29 pm-10:13 pm

1 stop4h 44m

Louisville Intl

Thu 3/26

9:00 am-6:42 pm

2 stops9h 42m

$458

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Wed 2/11

12:20 pm-9:50 pm

2 stops9h 30m

Louisville Intl

Sun 2/15

4:15 pm-10:30 pm

1 stop6h 15m

$504

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Wed 2/11

1:20 pm-10:10 pm

2 stops8h 50m

Louisville Intl

Sun 2/15

5:25 am-1:55 pm

2 stops8h 30m

$509

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 3/23

2:49 pm-11:59 pm

2 stops9h 10m

Louisville Intl

Thu 3/26

9:00 am-6:42 pm

2 stops9h 42m

$518

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 2/13

6:00 am-11:13 am

1 stop5h 13m

Louisville Intl

Sun 2/22

6:00 am-12:14 pm

1 stop6h 14m

$523

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 05m
Direct flights	None

The fastest flight from Buffalo to Louisville takes 3h 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 05m.
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 8,123 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.