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CA $221 Cheap Flights from Louisville (SDF) to Buffalo (BUF)

View CA $221 flight on Sat, Sep 5, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $221 for one-way flights and CA $448 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Oct 30 - Tue, Nov 17
SDF
Louisville
BUF
Buffalo
CA $448 Roundtrip, found 1 day ago
CA $448
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Oct 30 from Louisville to Buffalo, returning Tue, Nov 17, priced at CA $448 found 1 day ago
Delta
Sun, Sep 6 - Mon, Sep 21
SDF
Louisville
BUF
Buffalo
CA $461 Roundtrip, found 8 hours ago
CA $461
Roundtrip
found 8 hours ago
Select Delta flight, departing Sun, Sep 6 from Louisville to Buffalo, returning Mon, Sep 21, priced at CA $461 found 8 hours ago
Delta
Tue, Aug 25 - Sat, Sep 5
SDF
Louisville
BUF
Buffalo
CA $482 Roundtrip, found 8 hours ago
CA $482
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Aug 25 from Louisville to Buffalo, returning Sat, Sep 5, priced at CA $482 found 8 hours ago
Delta
Tue, Sep 8 - Mon, Sep 21
SDF
Louisville
BUF
Buffalo
CA $487 Roundtrip, found 8 hours ago
CA $487
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Sep 8 from Louisville to Buffalo, returning Mon, Sep 21, priced at CA $487 found 8 hours ago
Delta
Sun, Sep 6 - Fri, Sep 25
SDF
Louisville
BUF
Buffalo
CA $489 Roundtrip, found 8 hours ago
CA $489
Roundtrip
found 8 hours ago
Select Delta flight, departing Sun, Sep 6 from Louisville to Buffalo, returning Fri, Sep 25, priced at CA $489 found 8 hours ago
Delta
Fri, Sep 11 - Sun, Sep 27
SDF
Louisville
BUF
Buffalo
CA $502 Roundtrip, found 8 hours ago
CA $502
Roundtrip
found 8 hours ago
Select Delta flight, departing Fri, Sep 11 from Louisville to Buffalo, returning Sun, Sep 27, priced at CA $502 found 8 hours ago
Delta
Tue, Aug 25 - Tue, Sep 8
SDF
Louisville
BUF
Buffalo
CA $506 Roundtrip, found 8 hours ago
CA $506
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Aug 25 from Louisville to Buffalo, returning Tue, Sep 8, priced at CA $506 found 8 hours ago
Delta
Tue, Sep 8 - Fri, Sep 25
SDF
Louisville
BUF
Buffalo
CA $515 Roundtrip, found 8 hours ago
CA $515
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Sep 8 from Louisville to Buffalo, returning Fri, Sep 25, priced at CA $515 found 8 hours ago
American Airlines
Sun, Sep 6 - Wed, Sep 23
SDF
Louisville
BUF
Buffalo
CA $529 Roundtrip, found 8 hours ago
CA $529
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sun, Sep 6 from Louisville to Buffalo, returning Wed, Sep 23, priced at CA $529 found 8 hours ago
United
Thu, Oct 8 - Tue, Oct 27
SDF
Louisville
BUF
Buffalo
CA $559 Roundtrip, found 1 day ago
CA $559
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 8 from Louisville to Buffalo, returning Tue, Oct 27, priced at CA $559 found 1 day ago

Alternative airports near Buffalo

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

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city centre is 16 minutes. Flights from CA $599
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city centre16 min
Flights from CA $599

Find the cheapest month to fly from Louisville (SDF) to Buffalo (BUF)

February is typically the cheapest month to fly

From CA $221 - CA $507 per traveller.

Frequently asked questions

How much does a flight from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from CA $221 and cheap return flights from CA $448 SDF to BUF with Expedia. One-way flights typically cost between CA$221 and CA$817, and return flights often range between CA$1043 and CA$1471. 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 SDF to BUF ticket fares go up or down.
What is the cheapest month to fly from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
November is typically the cheapest month to fly from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), with average return fares around CA$412. November often sees lower prices as it falls outside of peak holiday travel, when demand tends to decrease. Other cheap months to fly from Louisville, KY (SDF) to Buffalo, NY (BUF) include May and July.
Which airlines fly direct from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter SDF to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting return flights from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), with tickets starting from around CA$379 for flights that can be booked for departure within the next year. These flights typically include a layover in Nashville Intl. (BNA). 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 Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest months to fly from Louisville, KY (SDF) to Buffalo, NY (BUF) are typically November and May, with average return flights around CA$412. The most popular months for this route are March and July, meaning you'll find plenty of flight options during these times. While there isn't a single month that is both the cheapest and most popular, you can balance cost and availability by considering these periods. For example, May offers good value as spring transitions to summer, and November can be a good option before the busy holiday travel season.
How many flights per day from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
There are approximately 51 connecting flights per day from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.). Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Baltimore Washington Intl. Thurgood Marshall (BWI).
What is the earliest flight from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) typically departs around 5:00 AM. This service is operated by American Airlines and is a seasonal offering, active only in August. An early departure like this can be great for maximizing 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 Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You'll find the most flights from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) on a Friday, with around 38 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include American Airlines, Delta, and United. Flight schedules are fairly consistent throughout the week, with Fridays offering slightly more options compared to other days.
What are the most popular departure times for flights from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) are in the morning, from 6am to 9am. Many major carriers, including American Airlines, Delta and United, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to spare for your day's activities.
How long does it take to fly from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
There are no nonstop flights from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.). For flights with one stop, you can expect the journey to take around 4 hours 18 minutes. If your flight has two or more stops, the travel time typically increases to about 9 hours. The total distance covered on this route is approximately 793 kilometres. Keep in mind that these are average times, and your actual travel duration can vary depending on the specific routing, layover times, and even weather conditions.
Can you fly business or first class from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You can fly business class or first class between SDF and BUF. First class cabins are available on United, Delta, and American Airlines.
How do I earn miles on a Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Buffalo, NY (BUF) from Louisville, KY (SDF)?
If you're planning to travel to Buffalo from Louisville Intl. (SDF), you can fly directly into Buffalo Niagara Intl. (BUF). Some flights may connect through major hubs like O'Hare Intl. (ORD), Midway Intl. (MDW), or Nashville Intl. (BNA) before reaching Buffalo. 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 Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Louisville, KY (SDF-Louisville Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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
Louisville Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
CA $448
Distance
788 km

Book with confidence

Louisville to Buffalo Flights

The easy way to book your flights from Louisville to Buffalo 

With Expedia, it’s simple to find and book flights to Buffalo from Louisville 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 Buffalo Niagara 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 Louisville to Buffalo today, tomorrow, or this week.  

 

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

Sort your search results by price to find great deals on your flight from Louisville to Buffalo—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Buffalo from Louisville currently is just CA $448 rising to CA $559.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Buffalo  
  • 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 Buffalo from Louisville 

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 Buffalo with Expedia today.

Louisville to Buffalo Flights

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