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Cheap flights from Buffalo to London Heathrow Airport from £234

BUF — LHR
2 Oct — 9 Oct1
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

Wed 30/910:46 -
2 stops21h 14m
Tue 6/1018:40 -
2 stops31h 07m
Deal found 1/9£600
Thu 1/1010:46 -
2 stops16h 09m
Wed 7/1006:00 -
2 stops19h 47m
Deal found 29/8£630
Tue 8/910:30 -
2 stops26h 20m
Fri 18/906:00 -
2 stops20h 07m
Deal found 1/9£640
Tue 20/1015:53 -
1 stop11h 57m
Tue 27/1010:00 -
2 stops17h 59m
Deal found 31/8£641
Tue 13/1015:53 -
2 stops14h 27m
Thu 22/1006:30 -
2 stops16h 19m
Deal found 1/9£644
Wed 7/1007:00 -
1 stop18h 30m
Mon 12/1008:15 -
1 stop11h 59m
Deal found 1/9£648
Fri 27/1114:10 -
1 stop11h 45m
Mon 7/1208:05 -
1 stop20h 54m
Deal found 28/8£649
Wed 30/907:00 -
1 stop20h 30m
Tue 6/1017:55 -
2 stops30h 17m
Deal found 31/8£650

Find flight deals from Buffalo to Heathrow

Round-trip from

£600

One-way from

£234

Popular in

June

Cheapest in

February

Average price

£573
SWISS
  • SWISS
  • 30/9-6/10
  • 4 total stops
  • 52h 21m total
  • Buffalo to London
Search Deals
JetBlue
  • JetBlue
  • 24/11
  • 1 total stop
  • 10h 40m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£140 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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
Fastest return journey

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 13/10

15:53-11:20

2 stops14h 27m

London Heathrow

Thu 22/10

06:30-17:49

2 stops16h 19m

£644

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Sat 12/12

07:00-06:20

1 stop18h 20m

London Heathrow

Wed 13/1

06:50-21:17

2 stops19h 27m

£663

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 8/12

11:24-08:05

1 stop15h 41m

London Heathrow

Mon 14/12

11:45-00:15

2 stops17h 30m

£665

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Thu 19/11

06:00-07:10

2 stops20h 10m

London Heathrow

Thu 26/11

06:50-14:20

2 stops36h 30m

£666

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 28/10

17:20-11:40

1 stop14h 20m

London Heathrow

Sun 1/11

06:30-18:56

2 stops17h 26m

£674
Cheapest one-way

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 25/9

19:50-20:45

1 stop19h 55m

£236

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Thu 15/10

11:24-11:05

1 stop18h 41m

£239

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 24/11

12:50-09:30

1 stop15h 40m

£239

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 21/9

15:53-13:15

2 stops16h 22m

£243

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Thu 10/9

06:20-07:10

1 stop19h 50m

£243

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 12 resultsSorted by cheapest first
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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 £486). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of £981). 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 typical for this route at the moment.

Buffalo to London Heathrow Airport flights typically cost between £465 and £698 in September.
The cheapest return price found within the last 5 days was £600 on SWISS (30 Sept–6 Oct).

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 United Airlines fly from Buffalo to London Heathrow Airport in about 14h 27m. The time it takes to get you to your destination can typically vary by up to 3h 53m. 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 £486). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of £981). 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
Hayes
Croydon
Northampton
Colchester
Eastbourne
Brentford
Barnet
Salisbury
Southall
Southend-on-Sea
Enfield
Kingston upon Thames
Watford

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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!

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