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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 2/21. 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.
American Airlines Logo
6:00 am - 10:43 am
BUF
-
SDF
4h 43m
1 stop
American Airlines Logo
9:15 am - 2:21 pm
SDF
-
BUF
5h 06m
1 stop
$288American Airlines
Thu, Apr 23 - Tue, Apr 28
Southwest Logo
12:40 pm - 10:20 pm
BUF
-
SDF
9h 40m
2 stops
Southwest Logo
6:20 am - 12:15 pm
SDF
-
BUF
5h 55m
1 stop
$297Southwest
Thu, Apr 23 - Tue, Apr 28
Southwest Logo
12:40 pm - 10:20 pm
BUF
-
SDF
9h 40m
2 stops
Southwest Logo
8:55 am - 6:15 pm
SDF
-
BUF
9h 20m
2 stops
$302Southwest
Thu, Apr 23 - Tue, Apr 28
United Airlines Logo
10:35 am - 8:16 pm
BUF
-
SDF
9h 41m
2 stops
United Airlines Logo
5:00 am - 10:12 am
SDF
-
BUF
5h 12m
1 stop
$306United Airlines
Sat, Apr 25 - Wed, Apr 29
Southwest Logo
9:30 am - 5:45 pm
BUF
-
SDF
8h 15m
2 stops
Southwest Logo
3:30 pm - 10:15 pm
SDF
-
BUF
6h 45m
2 stops
$342Southwest
Sat, Apr 25 - Wed, Apr 29
Multiple Airlines Logo
12:20 pm - 1:26 pm
BUF
-
SDF
25h 06m
2 stops
Multiple Airlines Logo
1:19 pm - 11:34 am
SDF
-
BUF
22h 15m
1 stop
$348Multiple Airlines
Sat, Feb 21 - Wed, Feb 25
Delta Logo
7:40 pm - 11:59 pm
BUF
-
SDF
4h 19m
1 stop
Delta Logo
7:00 am - 11:15 am
SDF
-
BUF
4h 15m
1 stop
$355Delta
Mon, Jun 22 - Thu, Jun 25
Southwest Logo
11:25 am - 3:00 pm
BUF
-
SDF
3h 35m
1 stop
Southwest Logo
5:25 pm - 11:20 pm
SDF
-
BUF
5h 55m
2 stops
$360Southwest
Thu, May 21 - Mon, May 25
Southwest Logo
6:00 am - 9:55 am
BUF
-
SDF
3h 55m
1 stop
Southwest Logo
2:40 pm - 9:30 pm
SDF
-
BUF
6h 50m
1 stop
$361Southwest
Thu, May 21 - Mon, May 25
Southwest Logo
12:40 pm - 10:20 pm
BUF
-
SDF
9h 40m
2 stops
Southwest Logo
5:25 pm - 11:20 pm
SDF
-
BUF
5h 55m
2 stops
$366Southwest
Thu, May 21 - Mon, May 25

American Airlines flights from Buffalo to Louisville

Our best American Airlines deals on Buffalo to Louisville flight tickets
American Airlines
Apr 23
BUF6:00 amBuffalo
4h 43m
1 stop
SDF10:43 amLouisville Intl
Apr 28
SDF9:15 amLouisville Intl
5h 06m
1 stop
BUF2:21 pmBuffalo
$288
American Airlines
Feb 21
BUF5:29 amBuffalo
10h 37m
1 stop
SDF4:06 pmLouisville Intl
Feb 25
SDF6:00 amLouisville Intl
10h 52m
1 stop
BUF4:52 pmBuffalo
$417
American Airlines
Apr 10
BUF6:00 amBuffalo
4h 43m
1 stop
SDF10:43 amLouisville Intl
Apr 15
SDF12:11 pmLouisville Intl
5h 01m
1 stop
BUF5:12 pmBuffalo
$420

Southwest flights from Buffalo to Louisville

Our best Southwest deals on Buffalo to Louisville flight tickets
Southwest
Apr 23
BUF12:40 pmBuffalo
9h 40m
2 stops
SDF10:20 pmLouisville Intl
Apr 28
SDF6:20 amLouisville Intl
5h 55m
1 stop
BUF12:15 pmBuffalo
$297
Southwest
Apr 23
BUF12:40 pmBuffalo
9h 40m
2 stops
SDF10:20 pmLouisville Intl
Apr 28
SDF8:55 amLouisville Intl
9h 20m
2 stops
BUF6:15 pmBuffalo
$302
Southwest
Apr 25
BUF9:30 amBuffalo
8h 15m
2 stops
SDF5:45 pmLouisville Intl
Apr 29
SDF3:30 pmLouisville Intl
6h 45m
2 stops
BUF10:15 pmBuffalo
$342

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 February 9, 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

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 4/23

6:00 am-10:43 am

1 stop4h 43m

Louisville Intl

Tue 4/28

9:15 am-2:21 pm

1 stop5h 06m

$288

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 4/23

12:40 pm-10:20 pm

2 stops9h 40m

Louisville Intl

Tue 4/28

6:20 am-12:15 pm

1 stop5h 55m

$297

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 4/23

12:40 pm-10:20 pm

2 stops9h 40m

Louisville Intl

Tue 4/28

8:55 am-6:15 pm

2 stops9h 20m

$302

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sat 4/25

10:35 am-8:16 pm

2 stops9h 41m

Louisville Intl

Wed 4/29

5:00 am-10:12 am

1 stop5h 12m

$306

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sat 4/25

9:30 am-5:45 pm

2 stops8h 15m

Louisville Intl

Wed 4/29

3:30 pm-10:15 pm

2 stops6h 45m

$342

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Sat 2/21

12:20 pm-1:26 pm

2 stops25h 06m

Louisville Intl

Wed 2/25

1:19 pm-11:34 am

1 stop22h 15m

$348

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Mon 6/22

7:40 pm-11:59 pm

1 stop4h 19m

Louisville Intl

Thu 6/25

7:00 am-11:15 am

1 stop4h 15m

$355

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 5/21

11:25 am-3:00 pm

1 stop3h 35m

Louisville Intl

Mon 5/25

5:25 pm-11:20 pm

2 stops5h 55m

$360

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 5/21

6:00 am-9:55 am

1 stop3h 55m

Louisville Intl

Mon 5/25

2:40 pm-9:30 pm

1 stop6h 50m

$361

BuffaloLouisville

BUF - SDF

BUFSDF

Buffalo

Thu 5/21

12:40 pm-10:20 pm

2 stops9h 40m

Louisville Intl

Mon 5/25

5:25 pm-11:20 pm

2 stops5h 55m

$366

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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

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 49m

Direct flights

None
The fastest flight from Buffalo to Louisville takes 3h 49m
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 49m.

  • 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 $153Free CancellationRating
7.9
8,176 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
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.

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