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CA $200 Cheap Flights from Buffalo (BUF) to Louisville (SDF)

View CA $200 flight on Sat, Aug 29, 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 $200 for one-way flights and CA $401 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Aug 20 - Sat, Aug 22
BUF
Buffalo
SDF
Louisville
CA $401 Roundtrip, found 3 days ago
CA $401
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Aug 20 from Buffalo to Louisville, returning Sat, Aug 22, priced at CA $401 found 3 days ago
Delta
Thu, Aug 20 - Sat, Aug 22
BUF
Buffalo
SDF
Louisville
CA $401 Roundtrip, found 3 days ago
CA $401
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Aug 20 from Buffalo to Louisville, returning Sat, Aug 22, priced at CA $401 found 3 days ago
Delta
Fri, Sep 11 - Sat, Sep 19
BUF
Buffalo
SDF
Louisville
CA $408 Roundtrip, found 5 days ago
CA $408
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Sep 11 from Buffalo to Louisville, returning Sat, Sep 19, priced at CA $408 found 5 days ago
Delta
Wed, Aug 19 - Thu, Aug 20
BUF
Buffalo
SDF
Louisville
CA $421 Roundtrip, found 3 days ago
CA $421
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Aug 19 from Buffalo to Louisville, returning Thu, Aug 20, priced at CA $421 found 3 days ago
Delta
Mon, Sep 14 - Thu, Sep 17
BUF
Buffalo
SDF
Louisville
CA $433 Roundtrip, found 5 days ago
CA $433
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Sep 14 from Buffalo to Louisville, returning Thu, Sep 17, priced at CA $433 found 5 days ago
American Airlines
Thu, Aug 20 - Sat, Aug 22
BUF
Buffalo
SDF
Louisville
CA $434 Roundtrip, found 3 days ago
CA $434
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Aug 20 from Buffalo to Louisville, returning Sat, Aug 22, priced at CA $434 found 3 days ago
Delta
Mon, Aug 17 - Thu, Aug 27
BUF
Buffalo
SDF
Louisville
CA $440 Roundtrip, found 5 days ago
CA $440
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Aug 17 from Buffalo to Louisville, returning Thu, Aug 27, priced at CA $440 found 5 days ago
Delta
Wed, Aug 19 - Thu, Aug 20
BUF
Buffalo
SDF
Louisville
CA $450 Roundtrip, found 5 days ago
CA $450
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 19 from Buffalo to Louisville, returning Thu, Aug 20, priced at CA $450 found 5 days ago
Delta
Thu, Aug 20 - Sat, Aug 22
BUF
Buffalo
SDF
Louisville
CA $451 Roundtrip, found 3 days ago
CA $451
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Aug 20 from Buffalo to Louisville, returning Sat, Aug 22, priced at CA $451 found 3 days ago
United
Thu, Aug 20 - Sat, Aug 22
BUF
Buffalo
SDF
Louisville
CA $451 Roundtrip, found 3 days ago
CA $451
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 20 from Buffalo to Louisville, returning Sat, Aug 22, priced at CA $451 found 3 days 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 $616
SDF
Louisville Intl.
CheapestClosest
Average driving time to city centre9 min
Flights from CA $616

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.) cost?
You can find cheap one-way flights from CA $200 and cheap return flights from CA $401 BUF to SDF with Expedia. One-way flights typically cost between CA$244 and CA$743, and return flights often range between CA$500 and CA$1331. 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 BUF to SDF 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.)?
If you're looking for the cheapest time to fly from Buffalo Niagara International Airport (BUF) to Louisville International Airport (SDF), September is typically your best bet! You can expect average return flights to be around CA$411 during this month. September often sees lower prices because the summer travel rush has ended, and demand starts to decrease. Other budget-friendly months to consider for this route include February and May.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
Enter BUF to SDF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting return flights from Buffalo Niagara Intl. (BUF) to Louisville Intl. (SDF), with prices starting from around CA$379 for flights that can be booked for departure within the next year. These prices are for an economy/coach class ticket per adult, with a layover in Baltimore Washington Intl. Thurgood Marshall (BWI). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
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 Niagara International Airport (BUF) to Louisville International Airport (SDF) is typically September. This month offers a great balance—it's one of the cheapest months to fly, with average return flight prices around CA$411, and it's also a very popular time to travel, meaning you'll have plenty of flight options to choose from. If you're flexible, September gives you both affordable fares and excellent flight schedules to work with.
How many flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
There are approximately 46 connecting flights per day from Buffalo Niagara Intl. (BUF) to 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 around 5:00 AM. This flight is operated by American Airlines and is a seasonal service, active in August. An early departure like this can help you make the most of 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, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.) on a Monday, with around 34 flights available. This gives you a good selection of options to choose from at the start of your week. Major airlines on this route include American Airlines, Delta, and United. Flight schedules are quite consistent throughout the week, so you'll have plenty of options regardless of your travel day.
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. Many major carriers, including Delta, American Airlines and Southwest Airlines, offer flights during this window. Many travellers prefer this time as it allows for an early start to their day at their destination.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.)?
There are no nonstop flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Louisville, KY (SDF-Louisville Intl.). For flights with one stop, you can expect the journey to take around 4 hours 48 minutes. Flights with two or more stops typically take longer, averaging about 9 hours 48 minutes. The distance between these two airports is approximately 793 kilometres. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.
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, KY (SDF) from Buffalo, NY (BUF)?
If you're planning to travel to Louisville from Buffalo Niagara Intl. (BUF), you can fly directly into Louisville Intl. (SDF) which offers international flights and connections. Some flights may connect through major hubs like Washington Dulles Intl. (IAD), Baltimore Washington Intl. Thurgood Marshall (BWI), or 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 $451.  

Here are more money-saving tips: 

  • Fly in August 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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*Available to Expedia members.