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$329 Cheap Flights from Buffalo (BUF) to London (LHR)

View $329 flight on Sat, Dec 5, 2026Opens in a new window

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

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Cheap Flights from Buffalo to London (BUF-LHR)

Prices were available within the past 7 days and start at $329 for one-way flights and $617 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Tue, Mar 30 - Wed, Apr 7
BUF
Buffalo
LHR
London
$617 Roundtrip, found 2 hours ago
$617
Roundtrip
found 2 hours ago
Select Iberia flight, departing Tue, Mar 30 from Buffalo to London, returning Wed, Apr 7, priced at $617 found 2 hours ago
British Airways
Tue, Mar 30 - Wed, Apr 7
BUF
Buffalo
LHR
London
$617 Roundtrip, found 2 hours ago
$617
Roundtrip
found 2 hours ago
Select British Airways flight, departing Tue, Mar 30 from Buffalo to London, returning Wed, Apr 7, priced at $617 found 2 hours ago
Iberia
Tue, Mar 30 - Wed, Apr 7
BUF
Buffalo
LHR
London
$626 Roundtrip, found 2 hours ago
$626
Roundtrip
found 2 hours ago
Select Iberia flight, departing Tue, Mar 30 from Buffalo to London, returning Wed, Apr 7, priced at $626 found 2 hours ago
American Airlines
Wed, Oct 14 - Wed, Oct 21
BUF
Buffalo
LHR
London
$746 Roundtrip, found 4 hours ago
$746
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Oct 14 from Buffalo to London, returning Wed, Oct 21, priced at $746 found 4 hours ago
JetBlue Airways
Tue, Mar 30 - Wed, Apr 7
BUF
Buffalo
LHR
London
$759 Roundtrip, found 2 hours ago
$759
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Tue, Mar 30 from Buffalo to London, returning Wed, Apr 7, priced at $759 found 2 hours ago
United
Tue, Nov 17 - Wed, Nov 18
BUF
Buffalo
LHR
London
$759 Roundtrip, found 16 hours ago
$759
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Nov 17 from Buffalo to London, returning Wed, Nov 18, priced at $759 found 16 hours ago
Aer Lingus
Wed, Mar 31 - Wed, Apr 7
BUF
Buffalo
LHR
London
$760 Roundtrip, found 2 hours ago
$760
Roundtrip
found 2 hours ago
Select Aer Lingus flight, departing Wed, Mar 31 from Buffalo to London, returning Wed, Apr 7, priced at $760 found 2 hours ago
Lufthansa
Tue, Mar 30 - Wed, Apr 7
BUF
Buffalo
LHR
London
$770 Roundtrip, found 2 hours ago
$770
Roundtrip
found 2 hours ago
Select Lufthansa flight, departing Tue, Mar 30 from Buffalo to London, returning Wed, Apr 7, priced at $770 found 2 hours ago
Virgin Atlantic
Wed, Oct 14 - Wed, Oct 21
BUF
Buffalo
LHR
London
$782 Roundtrip, found 4 hours ago
$782
Roundtrip
found 4 hours ago
Select Virgin Atlantic flight, departing Wed, Oct 14 from Buffalo to London, returning Wed, Oct 21, priced at $782 found 4 hours ago
Delta
Wed, Oct 14 - Wed, Oct 21
BUF
Buffalo
LHR
London
$782 Roundtrip, found 4 hours ago
$782
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Oct 14 from Buffalo to London, returning Wed, Oct 21, priced at $782 found 4 hours ago

Alternative airports near London

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

Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $1,179
LCY
London City
Closest
Average driving time to city center21 min
Flights from $1,179

Find the cheapest month to fly from Buffalo (BUF) to London (LHR)

September is typically the cheapest month to fly

From $823 - $958 per traveler.

What you need to know for your flight from Buffalo Niagara Intl. to Heathrow

Buffalo (BUF) to London (LHR) at a glance

Travel with a selection of airlines that operate routes from Buffalo (BUF) to London (LHR) on this international long-haul journey. You can compare options from both full-service and budget carriers to discover the best itinerary that matches your budget, schedule, and travel plans while you enjoy the iconic sights and neighborhoods of London. Here are the essential details for flights departing from Buffalo Niagara International Airport (BUF) to Heathrow Airport (LHR).

  • Fastest flight duration: around 8h 45m in-flight, plus roughly 2 hours layover with one stop
  • Route distance: roughly 3,600 miles (5,790 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $290–$685, depending on seasonality and how far ahead you book

Flights from Buffalo Niagara International Airport (BUF) to Heathrow Airport (LHR)

According to recent traveler bookings, the top airlines flying from Buffalo to London are often selected for their one-stop services, with popular layovers at John F. Kennedy International Airport (JFK), which has an average layover of about 1 hour and 45 minutes, Logan International Airport (BOS) at approximately 3 hours and 15 minutes, and Charlotte-Douglas International Airport (CLT) with around a 2-hour and 45-minute layover. This allows you to customize your travel experience by considering price, total travel time, and cabin class to find the ideal itinerary.

  • JetBlue Airways: This budget-friendly airline provides one-stop flights, with one-way ticket prices generally falling between $290 and $670. JetBlue operates about 35% of flights on this route, featuring an in-flight duration of 8 hours and 45 minutes, leading to a total travel time of approximately 11 hours, including layover.
  • Virgin Atlantic: Offering a full-service experience, Virgin Atlantic's one-stop routes typically cost between $300 and $645 for one-way fares. This carrier makes up around 18% of departures, with an in-flight time of 8 hours and 45 minutes, culminating in a total journey time of roughly 11 hours, considering the layover.
  • American Airlines: Known for its comprehensive service, American Airlines offers one-stop flights with fares generally ranging from $290 to $545. Representing about 16% of departures on this route, the airline features an in-flight duration of 8 hours and 45 minutes, resulting in an overall travel time of around 11 hours, including layovers.
  • Delta: This full-service airline provides one-stop travel options, with one-way fares typically between $300 and $685. Delta accounts for approximately 16% of departures on this route, offering an in-flight time of 8 hours and 45 minutes, leading to a total travel duration of about 11 hours, including layover periods.
  • United: A well-known full-service airline, United offers one-stop services with one-way ticket prices usually ranging from $365 to $1055. Covering about 8% of the departures on this route, United features an in-flight duration of 8 hours and 45 minutes, resulting in an overall travel time of roughly 11 hours, factoring in layovers.

Alternative routes from Buffalo (BUF) to London (LHR)

  • Rochester to London (ROC-LHR): Greater Rochester International Airport (ROC) is located approximately 56 miles from Buffalo Niagara International Airport (BUF). One-way economy tickets for this route generally fall between $295 and $660, influenced by the season and how far in advance you book. This journey typically involves one-stop connections, with common layover points at John F. Kennedy International Airport (JFK) and Logan International Airport (BOS). Major airlines operating on this route include JetBlue Airways (a low-cost carrier) and Virgin Atlantic. Additionally, there are options for business class service on this route.
  • Buffalo to London (BUF-LGW): Gatwick Airport (LGW) is located roughly 25 miles from Heathrow Airport (LHR). One-way economy fares on this route typically range from $300 to $755, varying based on the time of year and booking lead time. Flights usually feature one-stop connections, with popular layover airports including Logan International Airport (BOS) and John F. Kennedy International Airport (JFK). JetBlue Airways, a low-cost airline, is the primary carrier servicing this route.

How to find the best prices for flights from Buffalo (BUF) to London (LHR)

Getting some of the best deals on flights from Buffalo to London is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2 to 8 weeks in advance, although most travelers tend to book at least 2 months ahead. Morning flights (5 am to 12 pm) often offer lower prices, while afternoon flights (12 pm to 6 pm) are more popular. Additionally, flying on Monday generally provides cheaper rates, though Friday remains the most sought-after travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Heathrow Airport from Buffalo Niagara International Airport

London welcomes travelers from Buffalo with a range of transport options based on price, convenience, and proximity. London city center is approximately a 35-minute drive (covering about 19 miles) from Heathrow Airport, depending on traffic. Here's how to reach London efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in London, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Heathrow Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Heathrow Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Heathrow Airport, travelers can easily access various public transport options within walking distance. Heathrow Terminals 2 & 3 Underground Station, a metro station, is located about 0.2 miles from the airport, along with Heathrow Central Bus Station, also about 0.2 miles away on foot. Additionally, Heathrow Terminals 2 & 3 Station, a train station, is situated approximately 0.3 miles from the airport.

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) cost?
You can find cheap one-way flights from $329 and cheap return flights from $617 Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) with Expedia. One-way flights generally range between $415 and $5187, and roundtrip flights usually range from $709 to $5087. 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
January is the cheapest month to fly from Buffalo, NY (BUF) to London (LHR), with average return fares around $703. This is about 21% lower than the average price throughout the year, as travel demand tends to drop after the holiday season. Other economical months to consider are March and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
Enter BUF to LHR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
KLM is one of the cheapest airlines offering connecting flights from Buffalo, NY (BUF) to London (LHR), with round-trip tickets starting from around $1,137 with a layover in Hartsfield-Jackson Atlanta Intl. (ATL). 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow), 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
For flights from Buffalo, NY (BUF) to London (LHR), the best times to fly are January and September. January is particularly appealing with an average return flight price of around $703, as it follows the holiday rush, leading to lower fares. September is also popular, offering a good mix of reasonable prices and pleasant weather, making it an ideal time to explore London. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
The earliest flight from Buffalo (BUF) to London (LHR) usually departs at around 5:35 AM local time, with options from JetBlue Airways and American Airlines. This service operates seasonally in July and August, so plan accordingly for your summer travels. An early departure allows you to make the most of your time in London. 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to London Heathrow (LHR) are in the late afternoon to early evening, from 3pm to 6pm. About 29% of passengers prefer this time window. Many major carriers, including Delta Air Lines, Virgin Atlantic and American Airlines, offer flights during this window. This timing is favored as it allows you to arrive in London in the morning, ready to explore the city.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
A flight from BUF to LHR with a layover takes around 10 hours, with the route 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
Business class seats are offered on the BUF to LHR route. Airlines that offer business class service on this route include:

  • Delta Air Lines
  • United Airlines
  • American Airlines
  • JetBlue Airways
  • Virgin Atlantic

First class is available with American Airlines.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) 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 London from Buffalo Niagara Intl. (BUF)?
From Buffalo Niagara Intl. (BUF), you can fly into Heathrow (LHR), Gatwick (LGW), London Intl. (YXU) and London City (LCY) in London. Some flights may connect through major hubs like Washington Dulles Intl. (IAD), O'Hare Intl. (ORD), John F. Kennedy Intl. (JFK) before reaching London. 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) London 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) 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
Buffalo Niagara Intl.
Destination airport
Heathrow
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
$616
Distance
3543 mi

Book with confidence

Buffalo to London Flights

The cheapest times to fly from Buffalo to London

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 Buffalo to London are during the month of March. You can find some of the cheapest flights from Buffalo to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to London

Sunday is one of the best days to book for cheap flights from Buffalo to London: 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 Buffalo to London

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 Buffalo to London in 2026. You can also book with separate airlines for your outbound and return journeys, from $329 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 Buffalo to London 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 Buffalo to London 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.

 

Buffalo to London Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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