$159 Cheap Flights from Lexington (LEX) to Buffalo (BUF)

View $159 flight on Wed, Apr 8, 2026Opens in a new window

Popular airlines from Blue Grass Airport (LEX) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Lexington to Buffalo (LEX-BUF)

Prices were available within the past 7 days and start at $159 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Mar 19 - Mon, Mar 30
LEX
Lexington
BUF
Buffalo
$249 Roundtrip, found 10 hours ago
$249
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Mar 19 from Lexington to Buffalo, returning Mon, Mar 30, priced at $249 found 10 hours ago
American Airlines
Tue, Mar 17 - Tue, Mar 24
LEX
Lexington
BUF
Buffalo
$254 Roundtrip, found 15 hours ago
$254
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Tue, Mar 17 from Lexington to Buffalo, returning Tue, Mar 24, priced at $254 found 15 hours ago
United
Tue, Mar 17 - Tue, Mar 24
LEX
Lexington
BUF
Buffalo
$254 Roundtrip, found 15 hours ago
$254
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Mar 17 from Lexington to Buffalo, returning Tue, Mar 24, priced at $254 found 15 hours ago
United
Tue, Mar 17 - Tue, Mar 24
LEX
Lexington
BUF
Buffalo
$259 Roundtrip, found 15 hours ago
$259
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Mar 17 from Lexington to Buffalo, returning Tue, Mar 24, priced at $259 found 15 hours ago
Delta
Thu, Mar 19 - Sun, Mar 29
LEX
Lexington
BUF
Buffalo
$264 Roundtrip, found 10 hours ago
$264
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Mar 19 from Lexington to Buffalo, returning Sun, Mar 29, priced at $264 found 10 hours ago
Delta
Tue, Mar 17 - Sun, Mar 29
LEX
Lexington
BUF
Buffalo
$269 Roundtrip, found 10 hours ago
$269
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Mar 17 from Lexington to Buffalo, returning Sun, Mar 29, priced at $269 found 10 hours ago
United
Tue, Mar 17 - Tue, Mar 24
LEX
Lexington
BUF
Buffalo
$274 Roundtrip, found 15 hours ago
$274
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Mar 17 from Lexington to Buffalo, returning Tue, Mar 24, priced at $274 found 15 hours ago
United
Tue, Mar 17 - Tue, Mar 24
LEX
Lexington
BUF
Buffalo
$274 Roundtrip, found 15 hours ago
$274
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Mar 17 from Lexington to Buffalo, returning Tue, Mar 24, priced at $274 found 15 hours ago
Delta
Wed, Mar 4 - Wed, Mar 11
LEX
Lexington
BUF
Buffalo
$279 Roundtrip, found 14 hours ago
$279
Roundtrip
found 14 hours ago
Select Delta flight, departing Wed, Mar 4 from Lexington to Buffalo, returning Wed, Mar 11, priced at $279 found 14 hours ago
United
Tue, Mar 17 - Tue, Mar 24
LEX
Lexington
BUF
Buffalo
$279 Roundtrip, found 15 hours ago
$279
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Mar 17 from Lexington to Buffalo, returning Tue, Mar 24, priced at $279 found 15 hours ago

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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 center is 16 minutes. Flights from $274
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $274

Find the cheapest month to fly from Lexington (LEX) to Buffalo (BUF)

May is typically the cheapest month to fly

From $198 - $563 per traveler.

Frequently asked questions

How much does a flight from Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $159 and cheap return flights from $249 Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights typically cost between $247 and $776, and return flights often range between $336 and $1155. 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 Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
February is the cheapest month to fly from Lexington, KY (LEX) to Buffalo, NY (BUF), with average round-trip fares around $263. This is approximately 26% lower than the average price throughout the year, as winter travel tends to see less demand. Other affordable months to consider are January and May.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter LEX to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Lexington (LEX) to Buffalo (BUF), starting from around $231. 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.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Lexington, KY (LEX-Blue Grass) 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 Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
For flights from Lexington, KY (LEX) to Buffalo, NY (BUF), January and February are the best months to travel. January offers an average price of around $263, making it an economical choice. February is similarly priced and allows you to enjoy Buffalo during a quieter time. These months provide a great opportunity to travel without stretching your budget.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Lexington, KY (LEX) to Buffalo, NY (BUF) usually leaves at around 5:00 AM, operated by American Airlines. This seasonal service runs during the summer months of June, July, August, and September, giving you a great opportunity to start your day early and maximize your time in Buffalo. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Lexington, KY (LEX) to Buffalo, NY (BUF) are in the early morning, from 6am to 9am. About 40% of passengers prefer this time window. Many major carriers, including Delta, American Airlines, and United Airlines, offer flights during this window. This timing works well because it allows you to arrive in Buffalo with plenty of time to start your day.
How long does it take to fly from Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Flights from LEX to BUF with one stop typically take around 6 hours 20 minutes, covering approximately 457 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 Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
First class seats are offered on the LEX to BUF route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Lexington, KY (LEX-Blue Grass) 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 from Blue Grass (LEX)?
From Blue Grass (LEX), you can fly into Buffalo Niagara Intl. (BUF) to reach Buffalo. Some flights may connect through major hubs like O'Hare Intl. (ORD), Charlotte-Douglas Intl. (CLT), Hartsfield-Jackson Atlanta Intl. (ATL) 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 Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Lexington, KY (LEX-Blue Grass) 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 Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.) Buffalo Vacation Packages 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 Lexington, KY (LEX-Blue Grass) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Lexington, KY (LEX-Blue Grass) 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
Blue Grass
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$248
Distance
457 mi

Book with confidence

Lexington to Buffalo Flights

The cheapest times to fly from Lexington to Buffalo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lexington to Buffalo are during the month of March. You can find some of the cheapest flights from Lexington to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lexington to Buffalo

Sunday is one of the best days to book for cheap flights from Lexington to Buffalo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lexington to Buffalo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lexington to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $159 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lexington to Buffalo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lexington to Buffalo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Lexington to Buffalo Flights

*Flight schedules are subject to change.

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*Available to One Key members.