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

View AU$603 flight on Wed, 22 Oct. 2025Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

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

August is typically the cheapest month to fly

From AU$795 - AU$1,788 per traveller.

Graph displaying average flight prices per month

Flight from Buffalo to London route information
Origin airport
Buffalo Niagara Intl.
Destination airport
Heathrow
Distance
5668 km

Your quick guide to flights from Buffalo to London

Pick up great flights from Buffalo to London

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Buffalo to London. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Buffalo to London that take around hours.

Find cheap flights from Buffalo to London

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Buffalo to London around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to London is normally in .

Reasons to book your flight from Buffalo to London with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Buffalo to London across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to London right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Buffalo Niagara Intl. Airport (BUF) to Heathrow Airport?
The lowest price advertised for a round-trip flight between BUF and Heathrow Airport is . But you better act quick. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BUF to Heathrow Airport (LHR)?
Most flights can be cancelled online, but whether you are charged a fee differs between airlines. If you do have to cancel your trip, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from BUF to Heathrow Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Buffalo Niagara Intl. Airport (BUF) to London Heathrow flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Buffalo Niagara International Airport to LHR?
The distance is around 5 700 kilometres. Earplugs? Check. Warm clothes? Check. We recommend you pack all the essentials for this long-haul Buffalo to Hounslow flight.
Which airlines fly direct from Buffalo Niagara Intl. Airport (BUF) to Heathrow Airport (LHR)?
Currently, no airlines offer flights directly from Buffalo Niagara Intl. Airport (BUF) to Heathrow Airport (LHR). You'll need to book a flight with one or more stops. To score the best connections and price, lock in your airfare well in advance.
Are Buffalo Niagara International Airport to LHR flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Buffalo Niagara Intl. Airport (BUF) to Heathrow Airport (LHR) can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out entirely! If you'd rather play it safe and start your travel planning early, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines issue their prices that far in advance. Our suggestion? Check back often as updates are made regularly.

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