$497 Cheap Flights from London (LHR) to Buffalo (BUF)

Popular airlines from Heathrow Airport (LHR) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from London to Buffalo (LHR-BUF)

Prices were available within the past 7 days and start at $497 for one-way flights and $722 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
JetBlue Airways
Lufthansa
Austrian Airlines
Icelandair
Scandinavian Airlines
British Airways
Iberia
American Airlines
Swiss International Air Lines

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $497 and cheap return flights from $722 London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights typically cost between $695 and $4222, and return flights often range between $715 and $3740. 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 London (LHR-Heathrow) 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 London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest month to fly from LHR to BUF is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter LHR to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from London (LHR-Heathrow) 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 London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.) usually departs at around 6:00 AM, operated by British Airways, American Airlines, and OH. This seasonal service is active in November, making it a convenient option for early travelers. 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 London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
When flying from Heathrow Airport (LHR) in London to Buffalo Niagara International Airport (BUF), the most popular departure times are in the morning, from 9am to 12pm. About 33% of passengers prefer this time window. Many major carriers, including American Airlines, Delta, and United Airlines, operate flights during this time. This timing works well because it allows you to arrive in Buffalo in the afternoon, ready to start your visit.
How long does it take to fly from London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Flights from LHR to BUF with one stop typically take around 13 hours, covering approximately 3,543 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 London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Business class seats are offered on the LHR to BUF route. Airlines that offer business class service on this route include:

  • Delta Air Lines
  • United Airlines
  • Air Canada
  • British Airways
  • American Airlines
  • Virgin Atlantic
  • Lufthansa
  • SAS
  • KLM
  • Icelandair

First class is available with British Airways and American Airlines.
How do I earn miles on a London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) 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 Heathrow (LHR)?
From Heathrow (LHR), you can fly into Buffalo Niagara Intl. (BUF) to reach Buffalo. Some flights may connect through major hubs like Frankfurt Intl. (FRA), Roissy-Charles de Gaulle (CDG), Pearson Intl. (YYZ) 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 London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) 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 London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a London (LHR-Heathrow) 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 London (LHR-Heathrow) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your London (LHR-Heathrow) 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
Heathrow
Destination airport
Buffalo Niagara Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$722
Distance
3543 mi

*Flight schedules are subject to change.

*Available to One Key members.

 

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