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Cheap flights from Buffalo to London Heathrow Airport from £204

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
4 May — 11 May1
1 adult
1 adult, Economy, 0 bags

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 4 April 2026.

Sun 3/514:34
BUF
-
LHR
1 stop11h 41m
Virgin Atlantic
Sun 10/515:15
LHR
-
BUF
1 stop13h 44m
Virgin Atlantic
Deal found 3/4£481
Sun 3/516:44
BUF
-
LHR
1 stop13h 36m
Multiple Airlines
Sun 10/508:15
LHR
-
BUF
1 stop11h 44m
Multiple Airlines
Deal found 3/4£535
Sat 11/406:15
BUF
-
LHR
1 stop19h 55m
Delta
Sun 19/417:45
LHR
-
BUF
1 stop12h 05m
Delta
Deal found 1/4£548
Thu 23/406:00
BUF
-
LHR
1 stop19h 25m
Delta
Fri 8/506:15
LHR
-
BUF
2 stops17h 36m
Delta
Deal found 31/3£548
Fri 24/419:59
BUF
-
LHR
1 stop11h 06m
Delta
Fri 1/506:30
LHR
-
BUF
2 stops17h 05m
Delta
Deal found 30/3£549
Tue 21/411:52
BUF
-
LHR
1 stop17h 28m
Delta
Sat 25/406:15
LHR
-
BUF
2 stops18h 04m
Delta
Deal found 30/3£550
Thu 7/512:04
BUF
-
LHR
2 stops15h 46m
Delta
Fri 15/506:30
LHR
-
BUF
2 stops17h 21m
Delta
Deal found 2/4£551
Wed 5/815:54
BUF
-
LHR
2 stops15h 11m
Delta
Thu 20/811:30
LHR
-
BUF
2 stops16h 33m
Delta
Deal found 31/3£552
Fri 24/412:50
BUF
-
LHR
1 stop13h 20m
KLM
Fri 1/510:45
LHR
-
BUF
1 stop13h 06m
KLM
Deal found 31/3£554
Thu 2/413:00
BUF
-
LHR
1 stop13h 10m
Virgin Atlantic
Mon 6/415:15
LHR
-
BUF
1 stop13h 31m
Virgin Atlantic
Deal found 30/3£554
Wed 22/715:54
BUF
-
LHR
2 stops15h 11m
Delta
Sat 22/816:20
LHR
-
BUF
1 stop12h 36m
Delta
Deal found 31/3£557

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 4 April 2026.

Round-trip from

£481

One-way from

£204

Popular in

June

Cheapest in

September

Average price

£565
Virgin Atlantic
  • Virgin Atlantic
  • 3/5-10/5
  • 2 total stops
  • 25h 25m total
  • Buffalo to London
Search Deals
KLM
  • KLM
  • 3/5
  • 1 total stop
  • 13h 20m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 4 April 2026.
Use the filters below to find and compare flights from Buffalo to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 15/8

07:00-07:15

1 stop19h 15m

London Heathrow

Sat 29/8

06:30-18:33

2 stops17h 03m

£548

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 5/8

10:00-06:20

1 stop15h 20m

London Heathrow

Thu 20/8

06:15-18:57

2 stops17h 42m

£548

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 1/5

14:34-08:50

1 stop13h 16m

London Heathrow

Fri 8/5

09:55-23:59

2 stops19h 04m

£549

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 21/4

11:52-10:20

1 stop17h 28m

London Heathrow

Sat 25/4

06:15-19:19

2 stops18h 04m

£550

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 26/8

12:50-10:20

2 stops16h 30m

London Heathrow

Sun 30/8

06:15-18:33

2 stops17h 18m

£552
Fastest return journey

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 5/8

15:50-08:50

1 stop12h 00m

London Heathrow

Thu 20/8

11:20-19:00

1 stop12h 40m

£553
Cheapest one-way

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 22/4

12:09-06:25

1 stop13h 16m

£204

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 22/4

12:50-08:50

2 stops15h 00m

£204

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 3/5

15:53-10:30

2 stops13h 37m

£219

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 16/5

07:00-06:20

1 stop18h 20m

£229

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 2 April 2026.

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, May is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of £339). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of £573). 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.

How much does it cost for a return flight from Buffalo to London Heathrow Airport?

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 Delta fly from Buffalo to London Heathrow Airport in about 10h 46m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3540 mi.

  • 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, May is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of £339). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of £573). 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
Wembley
Croydon
Northampton
Hounslow
Gatwick
Slough
Ilford
Luton
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Bedford
Chelmsford

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

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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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