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Cheap flights from Buffalo to London Heathrow Airport from £294

BUF — LHR
13 Nov — 20 Nov1
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

Fri 27/1114:10 -
1 stop11h 45m
Mon 7/1209:20 -
1 stop15h 44m
Deal found 14/10£626
Tue 3/1119:59 -
1 stop20h 41m
Wed 11/1109:20 -
1 stop16h 16m
Deal found 13/10£630
Thu 15/1016:35 -
1 stop11h 55m
Sat 31/1009:20 -
1 stop32h 59m
Deal found 12/10£641
Sat 7/1112:08 -
1 stop27h 47m
Sat 14/1109:20 -
1 stop30h 47m
Deal found 9/10£644
Thu 15/1016:04 -
1 stop16h 11m
Sat 31/1011:30 -
2 stops15h 08m
Deal found 12/10£646
Wed 28/1010:35 -
1 stop20h 15m
Thu 5/1109:00 -
2 stops16h 36m
Deal found 13/10£652
Tue 3/1117:58 -
1 stop13h 02m
Wed 11/1106:50 -
2 stops17h 14m
Deal found 13/10£653
Mon 30/1106:00 -
1 stop10h 20m
Tue 8/1206:35 -
2 stops19h 11m
Deal found 13/10£653
Fri 27/1120:55 -
2 stops29h 15m
Mon 7/1212:05 -
2 stops16h 29m
Deal found 14/10£654
Fri 27/1106:30 -
1 stop20h 25m
Fri 4/1209:00 -
2 stops29h 44m
Deal found 12/10£656

Find flight deals from Buffalo to Heathrow

Round-trip from

£565

One-way from

£294

Popular in

June

Cheapest in

February

Average price

£697
United Airlines
  • United Airlines
  • 28/3-30/3
  • 3 total stops
  • 37h 01m total
  • Buffalo to London
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JetBlue
  • JetBlue
  • 24/11-31/12
  • 1 total stop
  • 10h 40m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£134 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Buffalo to London Heathrow Airport that are best for you.

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Depart

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Price

Cheapest return flight
Fastest return journey

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 24/11

06:00-21:40

1 stop10h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£295

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 16/11

12:08-09:30

1 stop16h 22m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£296

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Thu 29/10

13:53-05:55

1 stop12h 02m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£304

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 24/11

06:00-06:40

2 stops19h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£304

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 16/11

10:51-10:50

2 stops18h 59m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£307

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 9/11

13:53-09:10

2 stops14h 17m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£307

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 12/3

12:50-07:15

2 stops13h 25m

London Heathrow

Mon 22/3

10:00-23:50

2 stops17h 50m

£664

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 2/12

15:20-06:20

1 stop10h 00m

London Heathrow

Wed 9/12

08:40-18:44

2 stops15h 04m

£668

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 27/11

06:00-07:50

1 stop20h 50m

London Heathrow

Tue 8/12

10:00-00:01

2 stops19h 01m

£674

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 4/11

15:54-07:45

1 stop10h 51m

London Heathrow

Tue 10/11

06:30-18:40

2 stops17h 10m

£674

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of £497). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of £1,003). 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?

Airfare is below average for this route at the moment.

Buffalo to London Heathrow Airport flights typically cost between £633 and £737 in March.
The cheapest return price found within the last 5 days was £565 on United Airlines (28 Mar–30 Mar).

Related info for your journey

  • 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 Virgin Atlantic fly from Buffalo to London Heathrow Airport in about 10h. The time it takes to get you to your destination can typically vary by up to 3h 25m. 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, February is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of £497). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of £1,003). 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
Slough
Gatwick
Wembley
Hayes
Ilford
Croydon
Colchester
Northampton
Eastbourne
Brentford
Southend-on-Sea
Barnet
Enfield
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

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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.

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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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