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Cheap flights from Buffalo to Louisville from $148

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 12/25. 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
12:22 pm - 7:01 pm
BUF
-
SDF
6h 39m
1 stop
Delta Logo
6:26 pm - 11:59 pm
SDF
-
BUF
5h 33m
1 stop
$285Delta
Thu, Nov 5 - Mon, Nov 9
Southwest Logo
2:20 pm - 9:05 pm
BUF
-
SDF
6h 45m
1 stop
Southwest Logo
5:35 am - 11:55 am
SDF
-
BUF
6h 20m
1 stop
$285Southwest
Mon, Oct 19 - Sat, Oct 24
United Airlines Logo
5:58 pm - 11:59 pm
BUF
-
SDF
6h 01m
1 stop
United Airlines Logo
7:10 am - 1:16 pm
SDF
-
BUF
6h 06m
1 stop
$290United Airlines
Sat, Aug 22 - Sun, Sep 6
Southwest Logo
4:00 pm - 12:20 am
BUF
-
SDF
8h 20m
2 stops
Southwest Logo
4:40 pm - 9:10 pm
SDF
-
BUF
4h 30m
1 stop
$290Southwest
Thu, Nov 5 - Mon, Nov 9
Southwest Logo
2:20 pm - 10:30 pm
BUF
-
SDF
8h 10m
2 stops
Southwest Logo
5:35 am - 11:55 am
SDF
-
BUF
6h 20m
1 stop
$290Southwest
Mon, Oct 19 - Sat, Oct 24
Delta Logo
6:10 am - 9:57 am
BUF
-
SDF
3h 47m
1 stop
Delta Logo
5:38 pm - 11:59 pm
SDF
-
BUF
6h 21m
1 stop
$326Delta
Fri, Oct 16 - Mon, Oct 19
Delta Logo
6:01 am - 1:27 pm
BUF
-
SDF
7h 26m
1 stop
Delta Logo
2:34 pm - 7:08 pm
SDF
-
BUF
4h 34m
1 stop
$326Delta
Fri, Aug 21 - Wed, Aug 26
Delta Logo
6:00 am - 11:10 am
BUF
-
SDF
5h 10m
1 stop
Delta Logo
5:38 pm - 11:59 pm
SDF
-
BUF
6h 21m
1 stop
$326Delta
Fri, Oct 16 - Mon, Oct 19
American Airlines Logo
2:55 pm - 9:30 pm
BUF
-
SDF
6h 35m
1 stop
American Airlines Logo
5:57 pm - 11:46 pm
SDF
-
BUF
5h 49m
1 stop
$345American Airlines
Fri, Oct 16 - Mon, Oct 19
American Airlines Logo
5:30 am - 10:40 am
BUF
-
SDF
5h 10m
1 stop
American Airlines Logo
4:44 pm - 11:40 pm
SDF
-
BUF
6h 56m
1 stop
$381American Airlines
Fri, Oct 2 - Sun, Oct 4

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Southwest flights from Buffalo to Louisville

Our best Southwest deals on Buffalo to Louisville flight tickets
Southwest
Oct 19
BUF2:20 pmBuffalo
6h 45m
1 stop
SDF9:05 pmLouisville Intl
Oct 24
SDF5:35 amLouisville Intl
6h 20m
1 stop
BUF11:55 amBuffalo
$285
Southwest
Aug 21
BUF12:30 pmBuffalo
7h 55m
2 stops
SDF8:25 pmLouisville Intl
Aug 26
SDF6:00 amLouisville Intl
5h 40m
1 stop
BUF11:40 amBuffalo
$331
Southwest
Aug 21
BUF11:45 amBuffalo
8h 45m
2 stops
SDF8:30 pmLouisville Intl
Aug 26
SDF8:45 amLouisville Intl
9h 00m
2 stops
BUF5:45 pmBuffalo
$336

United Airlines flights from Buffalo to Louisville

Our best United Airlines deals on Buffalo to Louisville flight tickets
United Airlines
Aug 22
BUF5:58 pmBuffalo
6h 01m
1 stop
SDF11:59 pmLouisville Intl
Sep 6
SDF7:10 amLouisville Intl
6h 06m
1 stop
BUF1:16 pmBuffalo
$290
United Airlines
Aug 22
BUF6:00 amBuffalo
6h 22m
1 stop
SDF12:22 pmLouisville Intl
Sep 6
SDF7:10 amLouisville Intl
7h 08m
2 stops
BUF2:18 pmBuffalo
$295
United Airlines
Aug 26
BUF6:55 amBuffalo
6h 16m
1 stop
SDF1:11 pmLouisville Intl
Aug 29
SDF10:23 amLouisville Intl
6h 34m
1 stop
BUF4:57 pmBuffalo
$355

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 July 28, 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

Thu 11/5

12:22 pm-7:01 pm

1 stop6h 39m

Louisville Intl

Mon 11/9

6:26 pm-11:59 pm

1 stop5h 33m

$285

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 10/19

2:20 pm-9:05 pm

1 stop6h 45m

Louisville Intl

Sat 10/24

5:35 am-11:55 am

1 stop6h 20m

$285

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sat 8/22

5:58 pm-11:59 pm

1 stop6h 01m

Louisville Intl

Sun 9/6

7:10 am-1:16 pm

1 stop6h 06m

$290

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 11/5

4:00 pm-12:20 am

2 stops8h 20m

Louisville Intl

Mon 11/9

4:40 pm-9:10 pm

1 stop4h 30m

$290

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 10/19

2:20 pm-10:30 pm

2 stops8h 10m

Louisville Intl

Sat 10/24

5:35 am-11:55 am

1 stop6h 20m

$290
Quickest round-trip

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 10/16

6:10 am-9:57 am

1 stop3h 47m

Louisville Intl

Mon 10/19

5:38 pm-11:59 pm

1 stop6h 21m

$326

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 8/21

6:01 am-1:27 pm

1 stop7h 26m

Louisville Intl

Wed 8/26

2:34 pm-7:08 pm

1 stop4h 34m

$326

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 10/16

6:00 am-11:10 am

1 stop5h 10m

Louisville Intl

Mon 10/19

5:38 pm-11:59 pm

1 stop6h 21m

$326

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 10/16

2:55 pm-9:30 pm

1 stop6h 35m

Louisville Intl

Mon 10/19

5:57 pm-11:46 pm

1 stop5h 49m

$345

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 10/2

5:30 am-10:40 am

1 stop5h 10m

Louisville Intl

Sun 10/4

4:44 pm-11:40 pm

1 stop6h 56m

$381

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 American Airlines are the most popular carriers operating from Buffalo to Louisville Intl

What airlines fly to Louisville?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Louisville from Buffalo according to our data. Delta is the first choice among our users, with 50% 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

3h 27m

Direct flights

None
The fastest flight from Buffalo to Louisville takes 3h 27m
There are no direct flights from Buffalo to Louisville. There are no popular flight routes from Buffalo to Louisville.
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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 3h 27m.

  • 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 $294Free CancellationRating
7.1
11,839 reviews
Search American Airlines flights
DeltaPriceFrom $300Free CancellationRating
7.8
8,482 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
New Albany
Shepherdsville
Elizabeth
Corydon
Charlestown
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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