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Cheap flights from Buffalo to London Heathrow Airport from £224

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Buffalo to London Heathrow are usually found in February or September, booked 27 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Buffalo to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Heathrow
Explore the most affordable flight options available from Buffalo to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Thu 25/1206:10BUF - LHR
1 stop10h 30mJetBlue
Tue 30/1209:20LHR - BUF
1 stop29h 59mJetBlue
Deal found 17/12£597
Thu 25/1206:10BUF - LHR
1 stop10h 30mJetBlue
Mon 29/1209:20LHR - BUF
1 stop15h 08mJetBlue
Deal found 17/12£669
Sat 27/1212:01BUF - LHR
1 stop16h 04mKLM
Wed 7/112:40LHR - BUF
1 stop16h 36mKLM
Deal found 17/12£680
Thu 25/1206:30BUF - LHR
1 stop18h 25mUnited Airlines
Tue 30/1213:25LHR - BUF
2 stops36h 29mUnited Airlines
Deal found 16/12£698
Sat 27/1214:50BUF - LHR
1 stop10h 50mUnited Airlines
Wed 7/118:00LHR - BUF
2 stops30h 25mUnited Airlines
Deal found 17/12£700
Thu 25/1217:41BUF - LHR
1 stop12h 34mUnited Airlines
Mon 29/1213:25LHR - BUF
2 stops36h 29mUnited Airlines
Deal found 17/12£711

Find flight deals from Buffalo to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2025.

Round-trip from

£446

One-way from

£224

Popular in

December

Cheapest in

February

Average price

£772
Lufthansa
  • Lufthansa
  • 26/1-2/2
  • 3 total stops
  • 31h 46m total
  • Buffalo to London
Search Deals
JetBlue
  • JetBlue
  • 7/4
  • 1 total stop
  • 16h 30m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Buffalo to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Buffalo to London Heathrow Airport that are best for you.

Fly from

Buffalo

Fly to

Heathrow

Route

Depart

Return

Price

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 16/1

14:49-06:40

1 stop10h 51m

London Heathrow

Fri 23/1

06:35-19:25

2 stops17h 50m

£446

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 26/1

14:49-10:50

1 stop15h 01m

London Heathrow

Mon 2/2

07:40-19:25

2 stops16h 45m

£446

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 20/1

17:44-08:45

1 stop10h 01m

London Heathrow

Thu 5/2

12:30-23:28

1 stop15h 58m

£462

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 20/1

17:44-08:45

1 stop10h 01m

London Heathrow

Thu 5/2

06:30-17:54

2 stops16h 24m

£463

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 17/1

06:00-21:20

1 stop10h 20m

London Heathrow

Wed 28/1

06:50-17:40

2 stops15h 50m

£470

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 30/1

14:49-06:40

1 stop10h 51m

London Heathrow

Tue 3/2

06:50-17:40

2 stops15h 50m

£470

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 15/1

06:00-21:20

1 stop10h 20m

London Heathrow

Thu 22/1

06:50-17:40

2 stops15h 50m

£470

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 16/1

08:30-07:10

2 stops17h 40m

London Heathrow

Fri 23/1

06:35-19:25

2 stops17h 50m

£473

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 16/1

14:49-11:05

2 stops15h 16m

London Heathrow

Fri 23/1

06:50-17:40

2 stops15h 50m

£473

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 27/2

11:51-06:50

2 stops13h 59m

London Heathrow

Sun 1/3

11:45-23:58

2 stops17h 13m

£474

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 18 results
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Best time to book a flight from Buffalo to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Buffalo with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to London Heathrow Airport

How far ahead should I book a flight from Buffalo to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Buffalo to Heathrow. Price data was last updated on 12 December 2025.

To ensure you get the cheapest price possible for a flight from Buffalo to London Heathrow Airport, you should look to book at least 27 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Buffalo to London Heathrow Airport?

Currently, August is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of £351). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of £565). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BUF to LHR?

Find hourly flight availability from Buffalo to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 55% on your trip compared to booking a flight at midday.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Buffalo to London Heathrow?

    If you book a flight to London Heathrow from Buffalo, you will be flying from Buffalo, which is the city’s only airport. Buffalo (BUF) is located 8.3 mi from the center of Buffalo. There are 0 flights from Buffalo to London Heathrow per day from 0 different airlines.

  • How long is the flight from Buffalo to London Heathrow Airport?

    Airlines like Lufthansa, Virgin Atlantic, and KLM fly from Buffalo to London Heathrow Airport in about 10h 01m. The time it takes to get you to your destination can typically vary by up to 50m. Airlines will cover a distance of 3540 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Buffalo to Heathrow that include hotel bookings?

    Yes. In addition to deals on Buffalo to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Heathrow.

  • Can I find deals for business class flights from Buffalo to Heathrow?

    Yes. Cheapflights offers flight deals from Buffalo to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to London Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of £351). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of £565). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Hounslow
Northampton
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Swindon
Winchester
Bedford
Romford
Chichester
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buffalo to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Buffalo to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Buffalo by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Buffalo to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Buffalo to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Buffalo to Heathrow become cheaper?

Of course! You can now track prices for flights from Buffalo to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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