$270 Cheap Flights from Buffalo (BUF) to London (LHR)

View $270 flight on Mon, May 11, 2026Opens in a new window

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

Cheap Flights from Buffalo to London (BUF-LHR)

Prices were available within the past 7 days and start at $270 for one-way flights and $597 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Wed, Aug 12 - Mon, Aug 24
BUF
Buffalo
LHR
London
$597 Roundtrip, found 6 days ago
$597
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Wed, Aug 12 from Buffalo to London, returning Mon, Aug 24, priced at $597 found 6 days ago
Virgin Atlantic
Fri, Jul 31 - Sun, Aug 9
BUF
Buffalo
LHR
London
$701 Roundtrip, found 3 hours ago
$701
Roundtrip
found 3 hours ago
Select Virgin Atlantic flight, departing Fri, Jul 31 from Buffalo to London, returning Sun, Aug 9, priced at $701 found 3 hours ago
Delta
Tue, Oct 6 - Mon, Oct 12
BUF
Buffalo
LHR
London
$731 Roundtrip, just found
$731
Roundtrip
just found
Select Delta flight, departing Tue, Oct 6 from Buffalo to London, returning Mon, Oct 12, priced at $731 just found
KLM
Mon, Apr 20 - Wed, Apr 29
BUF
Buffalo
LHR
London
$781 Roundtrip, just found
$781
Roundtrip
just found
Select KLM flight, departing Mon, Apr 20 from Buffalo to London, returning Wed, Apr 29, priced at $781 just found
Air France
Fri, May 8 - Tue, May 12
BUF
Buffalo
LHR
London
$781 Roundtrip, just found
$781
Roundtrip
just found
Select Air France flight, departing Fri, May 8 from Buffalo to London, returning Tue, May 12, priced at $781 just found
JetBlue Airways
Sun, May 3 - Sat, May 9
BUF
Buffalo
LHR
London
$788 Roundtrip, found 6 hours ago
$788
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Sun, May 3 from Buffalo to London, returning Sat, May 9, priced at $788 found 6 hours ago
Scandinavian Airlines
Mon, Apr 20 - Fri, Apr 24
BUF
Buffalo
LHR
London
$794 Roundtrip, found 1 day ago
$794
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Mon, Apr 20 from Buffalo to London, returning Fri, Apr 24, priced at $794 found 1 day ago
Iberia
Wed, Aug 12 - Mon, Aug 24
BUF
Buffalo
LHR
London
$851 Roundtrip, found 6 days ago
$851
Roundtrip
found 6 days ago
Select Iberia flight, departing Wed, Aug 12 from Buffalo to London, returning Mon, Aug 24, priced at $851 found 6 days ago
United
Wed, Feb 17 - Tue, Feb 23
BUF
Buffalo
LHR
London
$885 Roundtrip, found 3 days ago
$885
Roundtrip
found 3 days ago
Select United flight, departing Wed, Feb 17 from Buffalo to London, returning Tue, Feb 23, priced at $885 found 3 days ago
Lufthansa
Mon, Feb 22 - Fri, Feb 26
BUF
Buffalo
LHR
London
$895 Roundtrip, found 1 day ago
$895
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, Feb 22 from Buffalo to London, returning Fri, Feb 26, priced at $895 found 1 day ago

Alternative airports near London

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

Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $772
LGW
Gatwick
Average driving time to city center52 min
Flights from $772
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $1,701
LCY
London City
Closest
Average driving time to city center21 min
Flights from $1,701

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

January is typically the cheapest month to fly

From $608 - $953 per traveler.

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 $270 and cheap return flights from $597 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
$596
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 August. 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 $270 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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