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Cheap flights from Buffalo to Louisville from $142

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 5/27. 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
0 bags

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Find the cheapest flights from Buffalo to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:36 am - 2:11 pm
BUF
-
SDF
26h 35m
2 stops
Multiple Airlines Logo
9:23 pm - 7:12 pm
SDF
-
BUF
21h 49m
1 stop
$298Multiple Airlines
Sun, May 31 - Sun, Jun 28
United Airlines Logo
5:57 pm - 10:14 pm
BUF
-
SDF
4h 17m
1 stop
United Airlines Logo
1:07 pm - 6:05 pm
SDF
-
BUF
4h 58m
1 stop
$309United Airlines
Thu, May 28 - Tue, Jun 2
American Airlines Logo
5:36 am - 9:41 am
BUF
-
SDF
4h 05m
1 stop
American Airlines Logo
6:56 pm - 12:09 am
SDF
-
BUF
5h 13m
1 stop
$311American Airlines
Sat, May 30 - Mon, Jun 1
United Airlines Logo
5:57 pm - 10:14 pm
BUF
-
SDF
4h 17m
1 stop
United Airlines Logo
11:13 am - 7:03 pm
SDF
-
BUF
7h 50m
2 stops
$314United Airlines
Thu, May 28 - Tue, Jun 2
American Airlines Logo
10:37 am - 3:46 pm
BUF
-
SDF
5h 09m
1 stop
American Airlines Logo
6:01 am - 12:19 pm
SDF
-
BUF
6h 18m
1 stop
$323American Airlines
Sat, May 30 - Wed, Jun 3
American Airlines Logo
7:31 pm - 12:28 am
BUF
-
SDF
4h 57m
1 stop
American Airlines Logo
6:25 pm - 11:54 pm
SDF
-
BUF
5h 29m
1 stop
$324American Airlines
Mon, Jun 1 - Tue, Jun 9
Delta Logo
12:04 pm - 4:46 pm
BUF
-
SDF
4h 42m
1 stop
Delta Logo
6:34 pm - 11:59 pm
SDF
-
BUF
5h 25m
1 stop
$333Delta
Tue, Jun 23 - Wed, Jul 1
American Airlines Logo
11:41 am - 4:40 pm
BUF
-
SDF
4h 59m
1 stop
American Airlines Logo
7:10 pm - 11:59 pm
SDF
-
BUF
4h 49m
1 stop
$351American Airlines
Tue, Jul 21 - Thu, Jul 23
Delta Logo
6:25 am - 9:55 am
BUF
-
SDF
3h 30m
1 stop
Delta Logo
6:26 pm - 11:05 pm
SDF
-
BUF
4h 39m
1 stop
$353Delta
Fri, Oct 16 - Mon, Oct 19
American Airlines Logo
1:45 pm - 7:35 pm
BUF
-
SDF
5h 50m
1 stop
American Airlines Logo
3:22 pm - 10:36 pm
SDF
-
BUF
7h 14m
1 stop
$354American Airlines
Wed, May 27 - Fri, May 29

American Airlines flights from Buffalo to Louisville

Our best American Airlines deals on Buffalo to Louisville flight tickets
American Airlines
May 30
BUF5:36 amBuffalo
4h 05m
1 stop
SDF9:41 amLouisville Intl
Jun 1
SDF6:56 pmLouisville Intl
5h 13m
1 stop
BUF12:09 amBuffalo
$311
American Airlines
May 30
BUF10:37 amBuffalo
5h 09m
1 stop
SDF3:46 pmLouisville Intl
Jun 3
SDF6:01 amLouisville Intl
6h 18m
1 stop
BUF12:19 pmBuffalo
$323
American Airlines
Jun 1
BUF7:31 pmBuffalo
4h 57m
1 stop
SDF12:28 amLouisville Intl
Jun 9
SDF6:25 pmLouisville Intl
5h 29m
1 stop
BUF11:54 pmBuffalo
$324

Southwest flights from Buffalo to Louisville

Our best Southwest deals on Buffalo to Louisville flight tickets
Southwest
Aug 9
BUF6:20 amBuffalo
6h 30m
1 stop
SDF12:50 pmLouisville Intl
Aug 11
SDF5:10 pmLouisville Intl
3h 55m
1 stop
BUF9:05 pmBuffalo
$351
Southwest
May 30
BUF9:30 amBuffalo
8h 15m
2 stops
SDF5:45 pmLouisville Intl
Jun 1
SDF12:15 pmLouisville Intl
10h 30m
1 stop
BUF10:45 pmBuffalo
$356
Southwest
May 27
BUF8:20 amBuffalo
6h 25m
2 stops
SDF2:45 pmLouisville Intl
May 29
SDF5:55 pmLouisville Intl
5h 20m
1 stop
BUF11:15 pmBuffalo
$360

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 May 12, 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

Sun 5/31

11:36 am-2:11 pm

2 stops26h 35m

Louisville Intl

Sun 6/28

9:23 pm-7:12 pm

1 stop21h 49m

$298

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 5/28

5:57 pm-10:14 pm

1 stop4h 17m

Louisville Intl

Tue 6/2

1:07 pm-6:05 pm

1 stop4h 58m

$309

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sat 5/30

5:36 am-9:41 am

1 stop4h 05m

Louisville Intl

Mon 6/1

6:56 pm-12:09 am

1 stop5h 13m

$311

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 5/28

5:57 pm-10:14 pm

1 stop4h 17m

Louisville Intl

Tue 6/2

11:13 am-7:03 pm

2 stops7h 50m

$314

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sat 5/30

10:37 am-3:46 pm

1 stop5h 09m

Louisville Intl

Wed 6/3

6:01 am-12:19 pm

1 stop6h 18m

$323

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 6/1

7:31 pm-12:28 am

1 stop4h 57m

Louisville Intl

Tue 6/9

6:25 pm-11:54 pm

1 stop5h 29m

$324

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 6/23

12:04 pm-4:46 pm

1 stop4h 42m

Louisville Intl

Wed 7/1

6:34 pm-11:59 pm

1 stop5h 25m

$333

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Tue 7/21

11:41 am-4:40 pm

1 stop4h 59m

Louisville Intl

Thu 7/23

7:10 pm-11:59 pm

1 stop4h 49m

$351
Quickest round-trip

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Fri 10/16

6:25 am-9:55 am

1 stop3h 30m

Louisville Intl

Mon 10/19

6:26 pm-11:05 pm

1 stop4h 39m

$353

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Wed 5/27

1:45 pm-7:35 pm

1 stop5h 50m

Louisville Intl

Fri 5/29

3:22 pm-10:36 pm

1 stop7h 14m

$354

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?

American Airlines, 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 48% 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 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

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 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?

  • 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
DeltaPriceFrom $250Free CancellationRating
7.9
8,446 reviews
Search Delta flights
American AirlinesPriceFrom $272Free CancellationRating
7.1
11,661 reviews
Search American Airlines 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
Brandenburg
Corydon
Elizabeth
Charlestown
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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