SDF - BUF

$148 Find Cheap Flights from Louisville to Buffalo

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Buffalo departing on 4/22. 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
1 adult, Economy, 0 bags

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

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

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Everything you should know

Cheapest round-trip
$275
Delta
Sat 5/9Tue 5/12
SDF - BUF • 1 stop
Cheapest one-way
$148
Typical prices: $108-$116
American Airlines
Wed 4/22
SDF - BUF • 1 stop
Top airlines
Cheapest • from $275 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Louisville and Buffalo. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $174 (round-trip)
Shortest trip • 3h 44m (one-way)
Insights
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Buffalo!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Louisville to Buffalo (SDF-BUF)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Louisville to Buffalo 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to Buffalo

Sat, May 9 - Tue, May 12
Delta Logo
5:50 pm - 11:59 pm
SDF
-
BUF
6h 09m
1 stop
Delta Logo
6:15 am - 12:03 pm
BUF
-
SDF
5h 48m
1 stop
$275Delta
Sat, May 9 - Tue, May 12
Southwest Logo
4:25 pm - 8:40 pm
SDF
-
BUF
4h 15m
1 stop
Southwest Logo
1:10 pm - 9:05 pm
BUF
-
SDF
7h 55m
2 stops
$280Southwest
Sat, May 9 - Tue, May 12
Southwest Logo
5:35 am - 2:15 pm
SDF
-
BUF
8h 40m
2 stops
Southwest Logo
3:10 pm - 9:05 pm
BUF
-
SDF
5h 55m
2 stops
$285Southwest
Mon, Apr 6 - Wed, Apr 8
American Airlines Logo
1:30 pm - 8:29 pm
SDF
-
BUF
6h 59m
1 stop
American Airlines Logo
11:31 am - 4:05 pm
BUF
-
SDF
4h 34m
1 stop
$310American Airlines
Thu, Apr 30 - Tue, May 5
Delta Logo
7:56 am - 11:39 am
SDF
-
BUF
3h 43m
1 stop
Delta Logo
8:56 am - 2:30 pm
BUF
-
SDF
5h 34m
1 stop
$319Delta
Sat, May 2 - Wed, May 6
United Airlines Logo
7:15 am - 1:18 pm
SDF
-
BUF
6h 03m
1 stop
United Airlines Logo
5:50 pm - 10:30 pm
BUF
-
SDF
4h 40m
1 stop
$335United Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
3:36 pm - 9:01 pm
SDF
-
BUF
5h 25m
1 stop
United Airlines Logo
6:04 am - 1:22 pm
BUF
-
SDF
7h 18m
2 stops
$340United Airlines
Thu, Apr 30 - Mon, May 4
Delta Logo
7:56 am - 11:39 am
SDF
-
BUF
3h 43m
1 stop
Delta Logo
6:00 am - 10:26 am
BUF
-
SDF
4h 26m
1 stop
$343Delta
Sun, Apr 12 - Tue, Apr 14
United Airlines Logo
5:00 am - 10:05 am
SDF
-
BUF
5h 05m
1 stop
United Airlines Logo
10:35 am - 2:47 pm
BUF
-
SDF
4h 12m
1 stop
$345United Airlines
Thu, Jun 4 - Mon, Jun 8
Southwest Logo
3:35 pm - 12:10 am
SDF
-
BUF
8h 35m
2 stops
Southwest Logo
5:55 pm - 12:25 am
BUF
-
SDF
6h 30m
1 stop
$348Southwest
Booking Insights

KAYAK's insights & trends for Louisville to Buffalo flights

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

Which airlines provide the cheapest flights from Louisville to Buffalo?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Louisville to Buffalo were found on Delta ($275) and Southwest ($280).

Good to know

Low seasonAugust
Cheapest flight$148
Best time to beat the crowds with an average 30% drop in price.
Most popular time to fly and prices are also 29% lower on average.
Flight from Louisville to Buffalo

When to book flights from Louisville to Buffalo

Are your dates flexible? Find out the best times to travel from Louisville to Buffalo 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 Louisville to Buffalo

  • What is the cheapest flight from Louisville to Buffalo?

    In the last 3 days, the lowest price for a flight from Louisville to Buffalo was $148 for a one-way ticket and $275 for a round-trip.

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

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

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

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

  • Which airline alliances offer flights from Louisville to Buffalo?

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

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

    The two airlines most popular with KAYAK users for flights from Louisville to Buffalo are Delta and American Airlines. With an average price for the route of $394 and an overall rating of 7.9, Delta is the most popular choice. American Airlines is also a great choice for the route, with an average price of $286 and an overall rating of 7.1.

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

    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 Louisville to Buffalo.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buffalo from Louisville 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 Louisville to Buffalo?

    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 Buffalo with an airline and back to Louisville with another airline. Booking your flights between Louisville and BUF 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 Louisville to Buffalo?

    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 Buffalo from Louisville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Louisville to Buffalo

 
See real verified KAYAK customer reviews for airlines flying from Louisville to Buffalo. 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 Louisville to Buffalo? 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.
7.9
DeltaOverall score based on 8285 reviews
8.5Crew
7.9Comfort
7.2Food
8.1Boarding
7.8Entertainment
Airline reviews

Cabin was not pressurized properly. Several passengers had respiratory difficulties.

4.0 OkayFelix, Mar 2026
BOS - LGA
Read more Delta reviews

Cabin was not pressurized properly. Several passengers had respiratory difficulties.

The staff was fine. The plane was extremely tight, and I paid for the wifi and it did not work at all. I was actually going to ask for a refund.

Terrible. Four hour delay because Delta could not find crew to man the aircraft. Terrible communication. Terrible insight into the delays. One of the worst flight experiences I’ve had.

The crew, and fellow passengers, were super gracious and kind. There seemed to be plenty of bin space even though the plane was full. It’s nice to get a glass of wine with dinner in Premiere seating, and there was a lot of food.

Good experience and the flight landed early. There was no food I had or entertainment.

bulkhead seat had very little legroom - even in bsiness class.

This was one of the worst flights I’ve been on in years. I upgraded to comfort and had such an uncomfortable experience. The person next to me was oversized - which I understand - however, they took up their space and mine. I could only use about 50% of my seat space to not be physically touching this person the entire flight and there was no spatial awareness. I also could not use the seat outlet because their body was obstructing it. It was very inconvenient. Their body kept touching me repeatedly during the flight and I felt very uncomfortable. To pay more for an upgraded space and then not even being able to use it was highly disappointing.

Delta One is extraordinary. I fly business when somebody hires me. I just wonder why there is such a chasm between business class and the insanely inhumane and nonsensical coach. The seats are not large enough to fit even my tiny wife. We fly 10% of what we did because we don’t want to pay 5-10 k but for $400 it’s unbearable. It seems like the accountants took over and made stupid decisions. Screw in 20 extra seats and make it so unbearable that people fly 90% less. Just put the damn price up and put some proper chairs in. But business, yay.

Air travel sucks. It continues to be awful for all airlines. No shame on delta alone.

Delta canceled our flight and we had to scramble to find another airline to get home. Phoenix is not a delta hub so they didn’t have another plane. It would have been a red eye though Salt Lake City. Getting in at 5am. No bueno.

Our flight was delayed 3 times and this is why I am giving such low reviews. Everything else was okay but being in the airport at 4:30pm for my initial flight at 7pm to not leave until after 9:30pm is insane,

The crew was excellent and overall the flight was good. No complaints.

Good crew and flight was on time. It’s a small plane with limited overhead luggage space. They said the overhead space was full and I had to check my bag. There was still space when I got on. Waiting for my checked luggage added 30 minutes to my trip. Not the end of the world but also not great.

My seat was assigned last row behind restrooms No legroom’s I’m very Pettit Still was not comfortable Food choice was excellent

There was free WiFi (definitely a plus), but the flight was delayed 45 minutes waiting on a catering truck that never arrived. The pilot said there would be food vouchers given out at the end of the gangway to make up for the inconvenience, but there was no one offering those. Delay made me late for work!

Overall it was a good flight. Because we traveled on a Saturday we were upgraded to FC since my wife and I are both Executive Platinum. The only areas for improvement we noted are better snack assortment and perhaps a little nicer plane as American is flying some older planes now. Everything else on this flight was excellent, which is frankly not the norm for American since we have had multiple issues on prior AA flights.

The smell from the bathroom kept wafting through the cabin. It made people sick.

The seats are too uncomfortable for anyone over 5ft 8in. I'm 5'10" with a back and hip issue and I was in pai for the full duration of the flight.

Delayed an hour due to operational issues. Minimal apologies or care for the significant inconvenience caused. Landed at nearly 1am and they still couldn’t find ground staff to get us off the plane promptly.

Long delays, lack of information about the status of the flight. The flight was delayed 4 times.

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

Information on your arrival and departure airports