BUF - SDF

$119 Find Cheap Flights from Buffalo to Louisville

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Buffalo to Louisville departing on 4/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to Louisville

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Buffalo to Louisville, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Buffalo to Louisville, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheap Flights from Buffalo to Louisville

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Buffalo to Louisville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Buffalo to Louisville

KAYAK's recommended round-trip deals from the most popular airlines that fly from Buffalo to Louisville.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Delta Logo
4:43 pm - 10:32 pmBUF-SDF
5h 49m1 stop
Delta Logo
8:20 am - 3:42 pmSDF-BUF
7h 22m1 stop
$237Delta
Find Deal
Wed, Aug 13 - Wed, Aug 20
American Airlines Logo
6:35 am - 10:46 amBUF-SDF
4h 11m1 stop
American Airlines Logo
6:53 am - 12:45 pmSDF-BUF
5h 52m1 stop
$265American Airlines
Find Deal
Wed, Aug 13 - Thu, Aug 21
Southwest Logo
7:40 am - 12:35 pmBUF-SDF
4h 55m1 stop
Southwest Logo
7:10 am - 3:10 pmSDF-BUF
8h 00m2 stops
$270Southwest
Find Deal
Wed, Aug 13 - Wed, Aug 20
United Airlines Logo
6:00 am - 2:40 pmBUF-SDF
8h 40m2 stops
United Airlines Logo
6:00 am - 9:43 amSDF-BUF
3h 43m1 stop
$291United Airlines
Find Deal
Tue, Apr 15 - Thu, May 29
Southwest Logo
6:00 pm - 12:15 amBUF-SDF
6h 15m1 stop
Southwest Logo
8:40 pm - 12:25 amSDF-BUF
3h 45m1 stop
$293Southwest
Find Deal
Mon, Jun 9 - Thu, Jun 12
Southwest Logo
7:40 am - 3:15 pmBUF-SDF
7h 35m2 stops
Southwest Logo
6:00 am - 3:10 pmSDF-BUF
9h 10m2 stops
$303Southwest
Find Deal
Wed, Aug 13 - Wed, Aug 20
Southwest Logo
3:40 pm - 12:25 amBUF-SDF
8h 45m2 stops
Southwest Logo
8:40 pm - 12:25 amSDF-BUF
3h 45m1 stop
$313Southwest
Find Deal
Mon, Jun 9 - Thu, Jun 12
Delta Logo
6:00 am - 11:50 amBUF-SDF
5h 50m1 stop
Delta Logo
6:00 pm - 10:15 pmSDF-BUF
4h 15m1 stop
$323Delta
Find Deal
Tue, Apr 15 - Sat, Apr 19
United Airlines Logo
5:57 pm - 10:30 pmBUF-SDF
4h 33m1 stop
United Airlines Logo
7:00 am - 1:20 pmSDF-BUF
6h 20m1 stop
$330United Airlines
Find Deal
Fri, May 9 - Sun, May 11
American Airlines Logo
7:19 pm - 12:13 amBUF-SDF
4h 54m1 stop
American Airlines Logo
5:41 am - 12:23 pmSDF-BUF
6h 42m1 stop
$334American Airlines
Find Deal
Thu, Apr 24 - Sun, Apr 27

KAYAK's insights & trends for Buffalo to Louisville flights

Get data-powered insights and trends into flights from Buffalo to Louisville to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Buffalo to Louisville?

The average price of all round-trip flights from Buffalo to Louisville clicked on KAYAK for each day over the last 12 months.
When flying from Buffalo to Louisville, you should consider leaving on a Friday and avoid Mondays if you are looking for the best rates. For your return to Buffalo, you’ll find the best rates on Tuesdays and the most expensive ones on Sundays.

Good to know

Low season

February

High season

June

Cheapest flight

$119
Best time to beat the crowds with an average 24% drop in price.
Most popular time to fly with an average 24% increase in price.
Flight from Buffalo to Louisville

When to book flights from Buffalo to Louisville

Are your dates flexible? Find out the best times to travel from Buffalo to Louisville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Buffalo to Louisville

  • What is the cheapest flight from Buffalo to Louisville?

    In the last 3 days, the lowest price for a flight from Buffalo to Louisville was $119 for a one-way ticket and $237 for a round-trip.

  • Do I need a passport to fly between Buffalo and Louisville?

    No, a passport isn't needed to fly from Buffalo to Louisville. However, local authorities might ask for an official ID.

  • Which aircraft models fly most regularly from Buffalo to Louisville?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Buffalo to Louisville?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Buffalo and Louisville, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Buffalo to Louisville, Delta or Southwest?

    The two airlines most popular with KAYAK users for flights from Buffalo to Louisville are Delta and Southwest. With an average price for the route of $356 and an overall rating of 8.0, Delta is the most popular choice. Southwest is also a great choice for the route, with an average price of $384 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Buffalo to Louisville?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Buffalo to Louisville.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Buffalo to Louisville?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Buffalo is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Buffalo to Louisville?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Buffalo with another airline. Booking your flights between Buffalo and SDF can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Buffalo to Louisville?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Buffalo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 3 airlines serving from Buffalo to Louisville

 
See real verified KAYAK customer reviews for airlines flying from Buffalo to Louisville. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Buffalo to Louisville? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4275 reviews
8.2Boarding
7.6Entertainment
7.1Food
8.0Comfort
8.6Crew
Airline reviews

Boarding process, crew were good. But the seats were so uncomfortable that was all I could focus on. I literally had to sit forward so that all 3 of us could fit in row. I will try to avoid Southwest in the future for any flights over 60 minutes.

6.0 GoodCarolynn, Mar 2025KOA - SMF
Read more Southwest reviews

Boarding process, crew were good. But the seats were so uncomfortable that was all I could focus on. I literally had to sit forward so that all 3 of us could fit in row. I will try to avoid Southwest in the future for any flights over 60 minutes.

1.5 hour delay, poor service, no compassion from the crew. Terrible experience

Great flight, 47 passengers on a 180 seat plane. Stewardess was pleasant and cheerful.

Short flight with plenty of open seats. Drinks and snacks were still provided even on such a short flight. <1 hr

I liked the crew member who gave flight instructions on "in case of a problem:. The seats are so small that only a young teenager could sit in middle seat.

Great experience flying Southwest. The crew was really kind and helpful, and very friendly with our toddler.

Very good. Sad to learn Southwest is going start to charge for bags

Our flight was diverted from being a non-stop to getting within 150 miles and requiring another plane. We heard 4 or 5 different versions from SW as to why we had to stop, then wait for a replacement plane. Five hour delay, weather did not come up as a single excuse.... communication was not clear and well explained. No one really took charge!

My flight to Chicago left and landed early. My return flight left two minutes late and arrived 2 minutes late. My seat selections were ideal! There were no snacks going to Chicago and no snacks on the return trip. There are no charging outlets on board.

WiFi on the flight was not working. Thus, entertainment options were limited.

Terrible and im avoiding them in the future. My initial flight was delayed causing me to rebook my flight and when speaking with the representative to rebook I explained this is the second time my flights were delayed and they did nothing to help me. I wasn't booked to comfort plus or given a voucher or anything. I was almost late for my meeting that I needed to attend on Monday because of the games delta played delaying my flights even more and putting me in the very back of the plane next to an extremely intoxicated passenger

Although the flight left late, we arrived early. It was one of the quickest boarding and off boarding experiences I’ve had. It was kind of annoying the only drinks they had were water, coffee, and tea. The flight was very smooth, temperature was just right, and flight attendants were friendly.

Seats were really tight and the seat belts did not give enough slack.

The dear was very limited in space. I could put my water bottle in seat basket. Also, there was no inflight entertainment in the delta app?

Customer service at the gate in the flight was exceptional. On time. Aircraft and seat was decent. Thanks Delta. 💗

Crew was nice. Flight was timely. Seats could be better as well as the food considering it’s first class.

The WiFi has been awful on my last few Delta Air Lines flights.

Only one side of the heafphone jack work. Crew was friendly and helpful.

It was reported to the passengers that Delta failed to schedule the crew properly. This error caused the pilot to show up about 30 minutes late. All in all Delta's inability to take care of this basic function resulted in about an hour delay.

Don't need the male flight attended lecturing. The whole plane on how to act when there was no problems.Other than that everything was great

Everything was fine. Flight boarded and departed on time. Seating was spacious enough for my carryon to fit under the seat in front of me. No complaints at all. Flight even arrived early.

Delays on all NY flights. There was no communication on why but they didn’t say it was weather. Other carriers were not delayed.

Extraordinary service in business class, and very good breakfast and snacks. A really lovely flight.

They cancelled our flight without warning OR a refund. Never doing business with American Airlines again! This is the second AA booked trip in a row that we've had challenges with.

I got bumped due to weight restrictions even tho there were empty seats on my flight. I got put on an other flight with a stopover. My flight that originally was going to take 5-6 hours ever up being 14+ hours and my luggage arrived to my destination without me because I was made to check in my luggage on my original flight when I was deemed ok to board only to be asked to deplane. Worst flight experience.

I was pleasantly surprised with an upgrade at boarding. I finally had a mostly gluten free food options and a very attentive attendant.

It was good. It’s been a long time since my wife and I fly any where and things have changed. Our trip was to see our new grandson. We fly economy and that was not good for my bad back. It was a quick flight but uncomfortable.

Staff at the gate were incredibly rude, hostile and threatening. Never fly American Airlines.

AA had a nationwide tech glitch today and after two connections snd hours of delay, I arrived 7 hours late to my destination

The plane was very warm and the crew turned on the lights for the entire snack service.

Everything you need to know for your flight from Buffalo to Louisville

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.