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Cheap flights from Buffalo to Louisville from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Louisville departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:40 pm - 12:02 am
BUF
-
SDF
4h 22m
1 stop
Delta Logo
5:45 pm - 11:55 pm
SDF
-
BUF
6h 10m
1 stop
$301Delta
Fri, Oct 16 - Mon, Oct 19
Delta Logo
6:00 am - 1:33 pm
BUF
-
SDF
7h 33m
1 stop
Delta Logo
5:59 pm - 11:11 pm
SDF
-
BUF
5h 12m
1 stop
$309Delta
Tue, Sep 15 - Tue, Sep 22
Southwest Logo
6:00 am - 12:40 pm
BUF
-
SDF
6h 40m
1 stop
Southwest Logo
5:30 am - 3:15 pm
SDF
-
BUF
9h 45m
2 stops
$314Southwest
Tue, Sep 15 - Tue, Sep 22
Southwest Logo
12:35 pm - 8:35 pm
BUF
-
SDF
8h 00m
2 stops
Southwest Logo
8:45 am - 5:45 pm
SDF
-
BUF
9h 00m
2 stops
$319Southwest
Tue, Sep 15 - Tue, Sep 22
Delta Logo
6:05 am - 10:32 am
BUF
-
SDF
4h 27m
1 stop
Delta Logo
5:50 pm - 11:59 pm
SDF
-
BUF
6h 09m
1 stop
$327Delta
Sat, Aug 22 - Tue, Sep 1
Southwest Logo
10:40 am - 4:15 pm
BUF
-
SDF
5h 35m
1 stop
Southwest Logo
1:15 pm - 9:05 pm
SDF
-
BUF
7h 50m
2 stops
$332Southwest
Sat, Aug 22 - Tue, Sep 1
Delta Logo
6:00 am - 11:05 am
BUF
-
SDF
5h 05m
1 stop
Delta Logo
6:00 am - 11:02 am
SDF
-
BUF
5h 02m
1 stop
$345Delta
Thu, Oct 1 - Mon, Oct 5
Southwest Logo
5:05 am - 12:15 pm
BUF
-
SDF
7h 10m
2 stops
Southwest Logo
3:35 pm - 9:15 pm
SDF
-
BUF
5h 40m
1 stop
$350Southwest
Thu, Oct 1 - Mon, Oct 5
American Airlines Logo
5:20 am - 11:47 am
BUF
-
SDF
6h 27m
1 stop
American Airlines Logo
6:25 pm - 11:53 pm
SDF
-
BUF
5h 28m
1 stop
$351American Airlines
Wed, Jul 15 - Sun, Jul 19
United Airlines Logo
1:55 pm - 7:09 pm
BUF
-
SDF
5h 14m
1 stop
United Airlines Logo
5:35 am - 9:49 am
SDF
-
BUF
4h 14m
1 stop
$352United Airlines
Wed, Nov 11 - Sun, Nov 15

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American Airlines flights from Buffalo to Louisville

Our best American Airlines deals on Buffalo to Louisville flight tickets
American Airlines
Jul 15
BUF5:20 amBuffalo
6h 27m
1 stop
SDF11:47 amLouisville Intl
Jul 19
SDF6:25 pmLouisville Intl
5h 28m
1 stop
BUF11:53 pmBuffalo
$351
American Airlines
Jun 27
BUF5:36 amBuffalo
4h 05m
1 stop
SDF9:41 amLouisville Intl
Jul 1
SDF6:01 amLouisville Intl
6h 18m
1 stop
BUF12:19 pmBuffalo
$519
American Airlines
Jul 24
BUF6:00 amBuffalo
7h 52m
2 stops
SDF1:52 pmLouisville Intl
Jul 26
SDF6:00 amLouisville Intl
6h 03m
1 stop
BUF12:03 pmBuffalo
$543

Delta flights from Buffalo to Louisville

Our best Delta deals on Buffalo to Louisville flight tickets
Delta
Oct 16
BUF7:40 pmBuffalo
4h 22m
1 stop
SDF12:02 amLouisville Intl
Oct 19
SDF5:45 pmLouisville Intl
6h 10m
1 stop
BUF11:55 pmBuffalo
$301
Delta
Sep 15
BUF6:00 amBuffalo
7h 33m
1 stop
SDF1:33 pmLouisville Intl
Sep 22
SDF5:59 pmLouisville Intl
5h 12m
1 stop
BUF11:11 pmBuffalo
$309
Delta
Aug 22
BUF6:05 amBuffalo
4h 27m
1 stop
SDF10:32 amLouisville Intl
Sep 1
SDF5:50 pmLouisville Intl
6h 09m
1 stop
BUF11:59 pmBuffalo
$327

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Louisville 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, momondo users made 832,500 searches. Data last updated June 17, 2026.
Use the filters below to find and compare flights from Buffalo to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 10/16

7:40 pm-12:02 am

1 stop4h 22m

Louisville Intl

Mon 10/19

5:45 pm-11:55 pm

1 stop6h 10m

$301

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 9/15

6:00 am-1:33 pm

1 stop7h 33m

Louisville Intl

Tue 9/22

5:59 pm-11:11 pm

1 stop5h 12m

$309

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 9/15

6:00 am-12:40 pm

1 stop6h 40m

Louisville Intl

Tue 9/22

5:30 am-3:15 pm

2 stops9h 45m

$314

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 9/15

12:35 pm-8:35 pm

2 stops8h 00m

Louisville Intl

Tue 9/22

8:45 am-5:45 pm

2 stops9h 00m

$319

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sat 8/22

6:05 am-10:32 am

1 stop4h 27m

Louisville Intl

Tue 9/1

5:50 pm-11:59 pm

1 stop6h 09m

$327

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sat 8/22

10:40 am-4:15 pm

1 stop5h 35m

Louisville Intl

Tue 9/1

1:15 pm-9:05 pm

2 stops7h 50m

$332

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 10/1

6:00 am-11:05 am

1 stop5h 05m

Louisville Intl

Mon 10/5

6:00 am-11:02 am

1 stop5h 02m

$345

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 10/1

5:05 am-12:15 pm

2 stops7h 10m

Louisville Intl

Mon 10/5

3:35 pm-9:15 pm

1 stop5h 40m

$350

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Wed 7/15

5:20 am-11:47 am

1 stop6h 27m

Louisville Intl

Sun 7/19

6:25 pm-11:53 pm

1 stop5h 28m

$351
Quickest round-trip

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Wed 11/11

1:55 pm-7:09 pm

1 stop5h 14m

Louisville Intl

Sun 11/15

5:35 am-9:49 am

1 stop4h 14m

$352

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Louisville from

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

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

Southwest and Delta are the most popular carriers 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 47% 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 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 22m

Direct flights

None
The fastest flight from Buffalo to Louisville takes 4h 22m
There are no direct flights from Buffalo to Louisville. There are no popular flight routes from Buffalo to Louisville.
Search flight deals

Frequently asked questions about flying from Buffalo to Louisville

  • 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 4h 22m.

  • 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?

  • 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?

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
American AirlinesPriceFrom $272Free CancellationRating
7.1
11,670 reviews
Search American Airlines flights
DeltaPriceFrom $300Free CancellationRating
7.8
8,406 reviews
Search Delta flights

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
Jeffersonville
West Baden Springs
Bardstown
Shepherdsville
New Albany
Elizabeth
Charlestown
Corydon
Brandenburg
Georgetown
Springfield

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.

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