CA $201 Cheap Flights from Buffalo (BUF) to Louisville (SDF)

View CA $201 flight on Wed, Jun 10, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Louisville International Airport (SDF)

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Cheap flights from Buffalo (BUF) to Louisville (SDF)

Prices were available within the past 7 days and start at CA $201 for one-way flights and CA $401 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, May 20 - Wed, May 27
BUF
Buffalo
SDF
Louisville
CA $401 Roundtrip, found 3 days ago
CA $401
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, May 20 from Buffalo to Louisville, returning Wed, May 27, priced at CA $401 found 3 days ago
Delta
Wed, Aug 12 - Tue, Aug 25
BUF
Buffalo
SDF
Louisville
CA $402 Roundtrip, just found
CA $402
Roundtrip
just found
Select Delta flight, departing Wed, Aug 12 from Buffalo to Louisville, returning Tue, Aug 25, priced at CA $402 just found
Delta
Mon, Jun 8 - Tue, Jun 16
BUF
Buffalo
SDF
Louisville
CA $413 Roundtrip, found 2 hours ago
CA $413
Roundtrip
found 2 hours ago
Select Delta flight, departing Mon, Jun 8 from Buffalo to Louisville, returning Tue, Jun 16, priced at CA $413 found 2 hours ago
Delta
Mon, Jun 8 - Wed, Jun 10
BUF
Buffalo
SDF
Louisville
CA $413 Roundtrip, found 4 days ago
CA $413
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jun 8 from Buffalo to Louisville, returning Wed, Jun 10, priced at CA $413 found 4 days ago
Delta
Mon, Jun 8 - Wed, Jun 10
BUF
Buffalo
SDF
Louisville
CA $415 Roundtrip, found 4 days ago
CA $415
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jun 8 from Buffalo to Louisville, returning Wed, Jun 10, priced at CA $415 found 4 days ago
Delta
Mon, Jun 8 - Wed, Jun 10
BUF
Buffalo
SDF
Louisville
CA $416 Roundtrip, found 4 days ago
CA $416
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jun 8 from Buffalo to Louisville, returning Wed, Jun 10, priced at CA $416 found 4 days ago
Delta
Thu, May 28 - Mon, Jun 8
BUF
Buffalo
SDF
Louisville
CA $424 Roundtrip, found 2 hours ago
CA $424
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, May 28 from Buffalo to Louisville, returning Mon, Jun 8, priced at CA $424 found 2 hours ago
American Airlines
Mon, Jun 8 - Wed, Jun 10
BUF
Buffalo
SDF
Louisville
CA $424 Roundtrip, found 4 days ago
CA $424
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jun 8 from Buffalo to Louisville, returning Wed, Jun 10, priced at CA $424 found 4 days ago
American Airlines
Mon, Jun 8 - Wed, Jun 10
BUF
Buffalo
SDF
Louisville
CA $425 Roundtrip, found 4 days ago
CA $425
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jun 8 from Buffalo to Louisville, returning Wed, Jun 10, priced at CA $425 found 4 days ago
United
Tue, Jun 16 - Thu, Jul 2
BUF
Buffalo
SDF
Louisville
CA $566 Roundtrip, found 2 hours ago
CA $566
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Jun 16 from Buffalo to Louisville, returning Thu, Jul 2, priced at CA $566 found 2 hours ago

Alternative airports near Louisville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Louisville Intl. SDF. Cheapest and Closest option available. Average driving time to city centre is 9 minutes. Flights from CA $555
SDF
Louisville Intl.
CheapestClosest
Average driving time to city centre9 min
Flights from CA $555

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.) cost?
One-way flights typically cost between $455 and $1,386 and return flights often range between $883 and $2,472. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
September is typically the cheapest month to fly from Buffalo Niagara Intl. (BUF) to Louisville Intl. (SDF), with average round-trip fares around 719 CAD. This is about 25% lower than the average price throughout the year. September often sees lower prices as the summer travel season winds down and before the holiday rush begins. Other cheap months to fly from Buffalo Niagara Intl. (BUF) to Louisville Intl. (SDF) include February and May.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.) is September. This month offers a great balance, as it's one of the cheapest times to fly, with average round-trip flights around 719 CAD, and it's also a popular time to travel, meaning you'll have plenty of flight options. If you're looking for the absolute lowest fares, February is also a cheap month, but September gives you the added benefit of more choices.
How many flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
There are approximately 43 connecting flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) (BUF) to Louisville, KY (SDF-Louisville Intl.) (SDF). Some common connection points include O'Hare Intl. (ORD), Washington Dulles Intl. (IAD), and Baltimore Washington Intl. Thurgood Marshall (BWI).
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The earliest flight from Buffalo Niagara Intl. (BUF) to Louisville Intl. (SDF) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in December. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
You'll typically find the most flights from Buffalo Niagara Intl. (BUF) to Louisville Intl. (SDF) on a Friday, with around 33 flights available. This gives you a good selection of options for your journey. Major airlines on this route include American Airlines, Delta Air Lines, and United Airlines. Flight schedules are consistent throughout the week, so you'll find similar options on other days too.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to Louisville Intl. (SDF) are in the early morning, from 6am to 9am. About 27% of passengers prefer this time. Many major carriers, including Delta, American Airlines and Southwest Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive at your destination with plenty of time.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
A flight from BUF to SDF with a layover takes around 4 hours 50 minutes, with the route covering approximately 493 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
Select the "Business class" and "First class" filters when looking for BUF to SDF flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Louisville from Buffalo Niagara Intl. (BUF)?
If you're planning to travel to Louisville from Buffalo Niagara Intl. (BUF), you can fly directly into Louisville Intl. (SDF) Some flights may connect through major hubs like Washington Dulles Intl. (IAD), Baltimore Washington Intl. Thurgood Marshall (BWI), Liberty Intl. (EWR) before reaching Louisville. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
CA $401
Distance
788 km

Book with confidence

Buffalo to Louisville Flights

The easy way to book your flights from Buffalo to Louisville 

With Expedia, it’s simple to find and book flights to Louisville from Buffalo whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Louisville Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Buffalo to Louisville today, tomorrow, or this week.  

 

Save dollars with cheap flights from Buffalo Niagara Intl., BUF to Louisville Intl., SDF 

Sort your search results by price to find great deals on your flight from Buffalo to Louisville—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Louisville from Buffalo currently is just CA $401 rising to CA $566.  

Here are more money-saving tips: 

  • Fly in May when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Louisville  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Louisville from Buffalo 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Louisville with Expedia today.

Buffalo to Louisville Flights

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