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Cheap flights from Buffalo to London Heathrow Airport from £237

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
17 Aug — 24 Aug1
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 18 July 2026.

Wed 19/815:55
BUF
-
LHR
1 stop12h 35m
JetBlue
Thu 3/908:40
LHR
-
BUF
1 stop14h 35m
JetBlue
Deal found 14/7£590
Tue 1/915:52
BUF
-
LHR
1 stop12h 38m
JetBlue
Tue 8/908:15
LHR
-
BUF
1 stop15h 36m
JetBlue
Deal found 18/7£591
Sun 23/815:53
BUF
-
LHR
1 stop10h 22m
Multiple Airlines
Mon 14/908:40
LHR
-
BUF
1 stop16h 44m
Multiple Airlines
Deal found 16/7£592
Sat 29/810:27
BUF
-
LHR
1 stop15h 03m
JetBlue
Sat 5/908:15
LHR
-
BUF
1 stop28h 35m
JetBlue
Deal found 15/7£597
Mon 31/810:27
BUF
-
LHR
1 stop15h 03m
JetBlue
Mon 7/908:15
LHR
-
BUF
1 stop11h 21m
JetBlue
Deal found 17/7£598
Mon 3/815:54
BUF
-
LHR
1 stop10h 16m
Multiple Airlines
Mon 24/811:55
LHR
-
BUF
1 stop24h 41m
Multiple Airlines
Deal found 14/7£599
Tue 29/906:00
BUF
-
LHR
1 stop9h 45m
JetBlue
Wed 7/1008:15
LHR
-
BUF
1 stop11h 11m
JetBlue
Deal found 18/7£600
Fri 28/806:00
BUF
-
LHR
1 stop19h 30m
JetBlue
Fri 4/908:40
LHR
-
BUF
1 stop14h 29m
JetBlue
Deal found 15/7£612
Thu 13/815:55
BUF
-
LHR
1 stop12h 35m
JetBlue
Mon 24/811:55
LHR
-
BUF
1 stop17h 18m
JetBlue
Deal found 16/7£614
Wed 30/910:40
BUF
-
LHR
2 stops16h 15m
SWISS
Tue 6/1020:05
LHR
-
BUF
2 stops29h 42m
SWISS
Deal found 15/7£615

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 July 2026.

Round-trip from

£590

One-way from

£237

Popular in

June

Cheapest in

September

Average price

£661
JetBlue
  • JetBlue
  • 19/8-3/9
  • 2 total stops
  • 27h 10m total
  • Buffalo to London
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 8/9
  • 1 total stop
  • 9h 52m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£108 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 18 July 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

Sun 20/9

19:25-13:05

1 stop12h 40m

London Heathrow

Sat 26/9

06:30-19:15

2 stops17h 45m

£642

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 7/10

18:55-13:15

1 stop13h 20m

London Heathrow

Mon 12/10

11:45-23:59

2 stops17h 14m

£643

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 8/8

12:16-13:15

1 stop19h 59m

London Heathrow

Fri 21/8

08:40-19:19

2 stops15h 39m

£644

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 10/9

16:30-09:30

1 stop12h 00m

London Heathrow

Sat 19/9

08:15-14:26

1 stop11h 11m

£658
Fastest return journey

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 11/9

15:53-06:45

1 stop9h 52m

London Heathrow

Sun 20/9

12:50-19:15

1 stop11h 25m

£658

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 7/10

18:50-11:15

1 stop11h 25m

London Heathrow

Mon 12/10

09:45-18:02

1 stop13h 17m

£664

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 20/9

11:06-06:20

1 stop14h 14m

London Heathrow

Sat 26/9

11:45-19:15

1 stop12h 30m

£664

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 5/10

10:40-11:55

1 stop20h 15m

London Heathrow

Wed 14/10

15:20-23:11

1 stop12h 51m

£666

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 28/8

19:19-13:15

1 stop12h 56m

London Heathrow

Fri 4/9

06:30-19:19

2 stops17h 49m

£702

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 4/8

12:02-07:15

2 stops14h 13m

London Heathrow

Wed 12/8

08:40-19:19

2 stops15h 39m

£706

Flights are sorted by cheapest return flights first.

Deals found on 18/7

Showing 1-10 of 19 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?

To ensure you get the cheapest price possible for a flight from Buffalo to London Heathrow Airport, you should look to book at least 23 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, September is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of £470). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of £987). 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 and JetBlue fly from Buffalo to London Heathrow Airport in about 12h. The time it takes to get you to your destination can typically vary by up to 40m. 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, September is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of £470). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of £987). 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
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Croydon
Hayes
Brentford
Colchester
Northampton
Watford
Eastbourne
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

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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!

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

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