£322 Find cheap flights from Buffalo to London Heathrow Airport
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Buffalo to Heathrow departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Return
1 adult
Economy
0 bags
Sat 8/6
Sat 15/6
Search hundreds of travel sites at once for deals on flights to London Heathrow Airport
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Buffalo to London, as well as popular online travel agencies
...and more
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Buffalo to London, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,968,530 times on KAYAK, and here's why:
Save 28% or moreCompare multiple travel sites with one search.
Filter your dealsChoose cabin class, free Wi-Fi and more.
Bundle and saveSave money when you bundle your flight + hotel.
Cheap flight deals from Buffalo to Heathrow (BUF-LHR)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Buffalo to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Flights from Buffalo to Heathrow - Travel Insights & Trends
Get data-powered insights and trends into flights from Buffalo to Heathrow to help you find the cheapest flights, the best time to fly and much more.
What’s the cheapest day of the week to fly from Buffalo to London Heathrow Airport?
The average price of all flights from Buffalo to London Heathrow Airport clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to London Heathrow Airport on a Tuesday and more expensive on a Monday. On your return trip to Buffalo, you should consider flying back on a Wednesday, and avoid Thursdays for better deals.
What is the cheapest month to fly from Buffalo to London Heathrow Airport?
To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Buffalo to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Buffalo to London Heathrow Airport is February, where tickets cost £528 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is £1,078 and £939 respectively.
How far in advance should I book a flight from Buffalo to London Heathrow Airport?
To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Buffalo to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Buffalo to London Heathrow Airport, you should book around 5 days before departure. For the absolute cheapest price, our data suggests you should book 77 days before departure.
Which airlines provide the cheapest flights from Buffalo to London Heathrow Airport?
The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Buffalo to London Heathrow Airport were found on JetBlue (£512) and American Airlines (£536). JetBlue proposed the cheapest one-way flight at £322.
Good to know - Cheap tickets from Buffalo to London Heathrow Airport
Best time to beat the crowds (24% less expensive on average)
Most popular time to fly and prices are also 9% lower on average.
Flight from Buffalo to London Heathrow Airport
When to book flights from Buffalo to Heathrow
Are your dates flexible? Find out the best times to travel from Buffalo to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
FAQs for booking Buffalo to London Heathrow Airport flights
What is the cheapest flight from Buffalo to London Heathrow Airport?
In the last 3 days, the lowest price for a flight from Buffalo to London Heathrow Airport was £402 for a one-way ticket and £639 for a return.
Which aircraft models fly most regularly from Buffalo to London Heathrow Airport?
We unfortunately don’t have that data for this specific route.
Which airline alliances offer flights from Buffalo to London Heathrow Airport?
oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Buffalo and London Heathrow Airport, with Star Alliance being the most commonly used for this route.
How does KAYAK find such low prices on flights from Buffalo to London Heathrow Airport?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Buffalo to London Heathrow Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Buffalo to London Heathrow Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Buffalo is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from Buffalo to London Heathrow Airport?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Buffalo with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Buffalo to London Heathrow Airport?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Buffalo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
See more FAQs
Book cheap flights from Buffalo to London
Cheapest flights to London from Buffalo found in 2024
Recent one-way flight deals
Only flying one-way? Below are some of the best one-way flight deals from Buffalo to London found on KAYAK in the last 72 hours.
1/10Tue
1 stopJetBlue
15h 45mBUF-LHR
£322
9/7Tue
1 stopJetBlue
17h 00mBUF-LHR
£334
6/9Fri
1 stopJetBlue
14h 28mBUF-LHR
£344
6/9Fri
2 stopsIcelandair
19h 53mBUF-LHR
£369
9/7Tue
2 stopsBritish Airways
16h 47mBUF-LHR
£388
1/10Tue
2 stopsTAP AIR PORTUGAL
18h 18mBUF-LHR
£413
19/6Wed
1 stopJetBlue
9h 55mBUF-LHR
£414
25/6Tue
2 stopsIcelandair
23h 35mBUF-LHR
£437
19/6Wed
2 stopsIcelandair
23h 35mBUF-LHR
£468
6/9Fri
2 stopsUnited Airlines
12h 20mBUF-LHR
£508
Search by stops
Search by airline
Search by price
Last minute flights from Buffalo to Heathrow
Last minute flight, train and bus deals
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Buffalo to London that are departing in the next 10 days.