What airlines fly to Buffalo?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Buffalo from Louisville according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Buffalo. Keep in mind that there are 4 different airlines that fly to Buffalo on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Louisville Intl to Buffalo?

United Airlines and Southwest are the most popular carriers operating from Louisville Intl to Buffalo

When did momondo last update prices for flights from Louisville Intl Airport to Buffalo Airport?

Prices for flights from Louisville Intl Airport to Buffalo Airport are updated daily.

How many operators does momondo search for flights from Louisville Intl Airport to Buffalo Airport?

The number of operators available for flights from Louisville Intl Airport to Buffalo Airport is 3 as of August 2026.

How old do you have to be to fly from Louisville Intl Airport to Buffalo Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Louisville Intl Airport to Buffalo Airport.

What documentation or ID do you need to fly to Buffalo Airport?

The travel and health documents required for your trip to Buffalo Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buffalo Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$158 Cheap Flights from Louisville to Buffalo in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Buffalo

Round-trip

One-way

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Cheap round-trip flights

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5:48 pm - 11:54 pmSDF Louisville Intl-BUF Buffalo

6h 06m1 stop Washington, D.C. Reagan-National

5:30 am - 10:40 amBUF Buffalo-SDF Louisville Intl

5h 10m1 stop Washington, D.C. Reagan-National

$315American Airlines

Thu, Sep 10 - Tue, Sep 15

10:29 am - 5:18 pmSDF Louisville Intl-BUF Buffalo

6h 49m1 stop Chicago O'Hare Intl

7:59 am - 1:43 pmBUF Buffalo-SDF Louisville Intl

5h 44m1 stop Chicago O'Hare Intl

$315American Airlines

Thu, Sep 10 - Tue, Sep 15

5:10 am - 9:42 amSDF Louisville Intl-BUF Buffalo

4h 32m1 stop Chicago O'Hare Intl

5:49 pm - 10:30 pmBUF Buffalo-SDF Louisville Intl

4h 41m1 stop Chicago O'Hare Intl

$315United Airlines

Thu, Nov 5 - Sat, Nov 7

5:15 am - 9:29 amSDF Louisville Intl-BUF Buffalo

4h 14m1 stop Chicago O'Hare Intl

5:45 pm - 11:59 pmBUF Buffalo-SDF Louisville Intl

6h 14m1 stop Chicago O'Hare Intl

$315United Airlines

Sat, Oct 17 - Sat, Oct 17

6:30 pm - 11:11 pmSDF Louisville Intl-BUF Buffalo

4h 41m1 stop Newark

5:45 pm - 11:59 pmBUF Buffalo-SDF Louisville Intl

6h 14m1 stop Chicago O'Hare Intl

$315United Airlines

Mon, Oct 5 - Sat, Oct 10

5:40 am - 12:00 pmSDF Louisville Intl-BUF Buffalo

6h 20m1 stop Baltimore/Washington

10:10 am - 8:05 pmBUF Buffalo-SDF Louisville Intl

9h 55m2 stops Baltimore/Washington Orlando

$320Southwest

Thu, Nov 5 - Sat, Nov 7

4:40 pm - 11:45 pmSDF Louisville Intl-BUF Buffalo

7h 05m2 stops Chicago Midway Baltimore/Washington

1:10 pm - 10:15 pmBUF Buffalo-SDF Louisville Intl

9h 05m2 stops Baltimore/Washington Orlando

$325Southwest

Thu, Nov 5 - Sat, Nov 7

5:59 pm - 10:57 pmSDF Louisville Intl-BUF Buffalo

4h 58m1 stop New York LaGuardia

3:53 pm - 9:16 pmBUF Buffalo-SDF Louisville Intl

5h 23m1 stop Detroit Metropolitan Wayne County

$335Delta

Fri, Sep 11 - Thu, Sep 17

5:50 pm - 11:53 pmSDF Louisville Intl-BUF Buffalo

6h 03m1 stop Detroit Metropolitan Wayne County

6:00 am - 11:05 amBUF Buffalo-SDF Louisville Intl

5h 05m1 stop New York LaGuardia

$367Delta

Thu, Sep 17 - Mon, Sep 21

6:11 am - 11:29 amSDF Louisville Intl-BUF Buffalo

5h 18m1 stop Washington, D.C. Reagan-National

10:30 am - 3:53 pmBUF Buffalo-SDF Louisville Intl

5h 23m1 stop Boston Logan Intl

$392American Airlines

Mon, Sep 7 - Mon, Sep 14

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United Airlines flights from Louisville to Buffalo

Our best United Airlines deals on Louisville to Buffalo flight tickets

United Airlines

Oct 30

SDF5:15 amLouisville Intl

4h 27m

1 stop

BUF9:42 amBuffalo

Oct 31

BUF6:00 amBuffalo

7h 03m

1 stop

SDF1:03 pmLouisville Intl

$332

United Airlines

Oct 30

SDF5:15 amLouisville Intl

4h 27m

1 stop

BUF9:42 amBuffalo

Oct 31

BUF6:00 amBuffalo

11h 00m

2 stops

SDF5:00 pmLouisville Intl

$337

United Airlines

Oct 17

SDF6:30 pmLouisville Intl

4h 41m

1 stop

BUF11:11 pmBuffalo

Oct 18

BUF6:00 amBuffalo

4h 18m

1 stop

SDF10:18 amLouisville Intl

$355

American Airlines flights from Louisville to Buffalo

Our best American Airlines deals on Louisville to Buffalo flight tickets

American Airlines

Sep 10

SDF5:48 pmLouisville Intl

6h 06m

1 stop

BUF11:54 pmBuffalo

Sep 15

BUF5:30 amBuffalo

5h 10m

1 stop

SDF10:40 amLouisville Intl

$315

American Airlines

Sep 7

SDF6:11 amLouisville Intl

5h 18m

1 stop

BUF11:29 amBuffalo

Sep 14

BUF10:30 amBuffalo

5h 23m

1 stop

SDF3:53 pmLouisville Intl

$392

American Airlines

Sep 6

SDF11:05 amLouisville Intl

5h 59m

1 stop

BUF5:04 pmBuffalo

Sep 13

BUF5:37 amBuffalo

5h 03m

1 stop

SDF10:40 amLouisville Intl

$398

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleBuffalo

SDF Louisville Intl - BUF Buffalo

SDFBUF

Louisville Intl

Thu 9/10

5:48 pm-11:54 pm

1 stop6h 06m

Buffalo

Tue 9/15

5:30 am-10:40 am

1 stop5h 10m

$315

LouisvilleBuffalo

SDF Louisville Intl - BUF Buffalo

SDFBUF

Louisville Intl

Thu 9/10

10:29 am-5:18 pm

1 stop6h 49m

Buffalo

Tue 9/15

7:59 am-1:43 pm

1 stop5h 44m

$315

Quickest round-trip

LouisvilleBuffalo

SDF Louisville Intl - BUF Buffalo

SDFBUF

Louisville Intl

Thu 11/5

5:10 am-9:42 am

1 stop4h 32m

Buffalo

Sat 11/7

5:49 pm-10:30 pm

1 stop4h 41m

$315

LouisvilleBuffalo

SDF Louisville Intl - BUF Buffalo

SDFBUF

Louisville Intl

Sat 10/17

5:15 am-9:29 am

1 stop4h 14m

Buffalo

Sat 10/17

5:45 pm-11:59 pm

1 stop6h 14m

$315

LouisvilleBuffalo

SDF Louisville Intl - BUF Buffalo

SDFBUF

Louisville Intl

Mon 10/5

6:30 pm-11:11 pm

1 stop4h 41m

Buffalo

Sat 10/10

5:45 pm-11:59 pm

1 stop6h 14m

$315

LouisvilleBuffalo

SDF Louisville Intl - BUF Buffalo

SDFBUF

Louisville Intl

Thu 11/5

5:40 am-12:00 pm

1 stop6h 20m

Buffalo

Sat 11/7

10:10 am-8:05 pm

2 stops9h 55m

$320

LouisvilleBuffalo

SDF Louisville Intl - BUF Buffalo

SDFBUF

Louisville Intl

Thu 11/5

4:40 pm-11:45 pm

2 stops7h 05m

Buffalo

Sat 11/7

1:10 pm-10:15 pm

2 stops9h 05m

$325

LouisvilleBuffalo

SDF Louisville Intl - BUF Buffalo

SDFBUF

Louisville Intl

Fri 9/11

5:59 pm-10:57 pm

1 stop4h 58m

Buffalo

Thu 9/17

3:53 pm-9:16 pm

1 stop5h 23m

$335

LouisvilleBuffalo

SDF Louisville Intl - BUF Buffalo

SDFBUF

Louisville Intl

Thu 9/17

5:50 pm-11:53 pm

1 stop6h 03m

Buffalo

Mon 9/21

6:00 am-11:05 am

1 stop5h 05m

$367

LouisvilleBuffalo

SDF Louisville Intl - BUF Buffalo

SDFBUF

Louisville Intl

Mon 9/7

6:11 am-11:29 am

1 stop5h 18m

Buffalo

Mon 9/14

10:30 am-3:53 pm

1 stop5h 23m

$392

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Buffalo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Louisville and Buffalo?

Prices are currently low for flights on this route.

Typical prices usually range from $506 to $680.
The lowest price recently found on this route was $315.

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of January, then book flights to Buffalo from Louisville during December instead. Flights to Buffalo in December, while not as cheap as those in January, still average around $306.

When to book flights from Louisville to Buffalo

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Buffalo according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Buffalo (SDF to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Buffalo

Best Price Found	$158
Fastest flight time	4h 14m
Direct flights	None

The best one-way flight to Buffalo from Louisville in the past 72 hours is $158. The best round-trip flight deal from Louisville to Buffalo found on momondo in the last 72 hours is $315.

The fastest flight from Louisville to Buffalo takes 4h 14m

There are no direct flights from Louisville to Buffalo. There are no popular flight routes from Louisville to Buffalo.

Search flight deals

Frequently asked questions about flying from Louisville to Buffalo

How far is Louisville Intl to Buffalo by plane?
A flight from Louisville Intl to Buffalo will travel around 482.0 mi. 4h 14m is a normal flight duration for this route.
When did momondo last update prices for flights from Louisville Intl Airport to Buffalo Airport?
Prices for flights from Louisville Intl Airport to Buffalo Airport are updated daily.
How many operators does momondo search for flights from Louisville Intl Airport to Buffalo Airport?
The number of operators available for flights from Louisville Intl Airport to Buffalo Airport is 3 as of August 2026.
How old do you have to be to fly from Louisville Intl Airport to Buffalo Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Louisville Intl Airport to Buffalo Airport.
What documentation or ID do you need to fly to Buffalo Airport?
The travel and health documents required for your trip to Buffalo Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buffalo Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Louisville to Buffalo?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Buffalo is Delta (47% of total bookings). The next most popular airlines are American Airlines (34%) and Southwest (19%).

Best airlines flying from Louisville to Buffalo

Compare and see reviews for airlines that fly from Louisville to Buffalo with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $239	Free Cancellation	Rating 7.8 8,499 reviews	Search Delta flights
Southwest	PriceFrom $284	Free Cancellation	Rating 8.0 4,219 reviews	Search Southwest flights
American Airlines	PriceFrom $322	Free Cancellation	Rating 7.1 11,957 reviews	Search American Airlines flights

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Amherst

Tonawanda

Williamsville

Orchard Park

Grand Island

Bowmansville

Lockport

West Seneca

East Aurora

Angola

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Buffalo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buffalo from Louisville.

Can I find flights from Louisville to Buffalo with flexible booking policies on momondo?

momondo does allow users to show only those flights to Buffalo from Louisville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Louisville to Buffalo?

Once all potential Louisville to Buffalo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Louisville to Buffalo right now. Can momondo alert me if prices change?

Price alerts on flights to Buffalo from Louisville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Louisville to Buffalo from $158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Buffalo departing on 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Louisville to Buffalo

Our best United Airlines deals on Louisville to Buffalo flight tickets

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Our best American Airlines deals on Louisville to Buffalo flight tickets

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How to get the cheapest flight ticket from Louisville to Buffalo

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What airlines fly to Buffalo?

When to book flights from Louisville to Buffalo

Cheap Louisville to Buffalo (SDF to BUF) flight deals and tips

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Why use momondo?

An easier way to manage your Buffalo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

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List of cabin classes available on flights landing in Buffalo. Availability may vary depending on flight origin and airline.

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