$126 Cheap United flights Lexington (LEX) to Buffalo (BUF)

Prices were available within the past 7 days and start at $126 for one-way flights and $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Frequently asked questions

How much is a United Airlines flight from Blue Grass Airport (LEX) to Buffalo Niagara Intl. Airport (BUF)?
Scoring cheap one-way United Airlines flights from LEX to BUF from $126 on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our affordable return fares from $244 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LEX to BUF with United Airlines?
United Airlines flights to Buffalo are usually more affordable in the off-peak months of January and February. Whether you need a round-trip or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from Blue Grass Airport (LEX) to Buffalo Niagara Intl. Airport (BUF) with United Airlines?
Search for cheap United Airlines flights from Blue Grass Airport (LEX) to Buffalo Niagara Intl. Airport (BUF) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Blue Grass Airport (LEX) to Buffalo Niagara Intl. Airport (BUF)?
To see if there's a direct trip from LEX to BUF with United Airlines or any other carriers, select the "Nonstop" filter when browsing for flights.
What is the earliest United Airlines flight from LEX to BUF?
To find the earliest departures from LEX to BUF with United Airlines, filter your results by "Morning" and "Early Morning." Booking an early flight usually means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Buffalo?
Buffalo Niagara Intl. Airport (BUF) is the main Buffalo gateway for United Airlines flights from Blue Grass Airport (LEX).
Why fly with United Airlines from LEX to BUF?
Depart from LEX to BUF with United Airlines and you'll enjoy a range of benefits starting with a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you can also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Blue Grass Airport (LEX) to Buffalo Niagara Intl. Airport (BUF)?
Changes are generally free within 24 hours of booking, but your airline may charge you after that. For further information about modifying your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without additional charges, check the "Changes included" and "No cancel fee" filters when planning your next escape.

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*Available to One Key members.