What is the cheapest airline that flies from Buffalo to London Heathrow?

JetBlue, British Airways, and Air Canada are the most popular carriers operating from Buffalo to London Heathrow

When did momondo last update prices for flights from Buffalo Airport to London Heathrow Airport?

Prices for flights from Buffalo Airport to London Heathrow Airport are updated daily.

How old do you have to be to fly from Buffalo Airport to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£233 Cheap Flights from Buffalo to London Heathrow Airport in 2026

Find the cheapest flights from Buffalo to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:15 - 07:00BUF Buffalo-LHR London Heathrow

9h 45m1 stop Boston Logan Intl

08:45 - 22:10LHR London Heathrow-BUF Buffalo

18h 25m2 stops Madrid Barajas Boston Logan Intl

£512Iberia

Wed, 9 Dec - Wed, 16 Dec

16:15 - 12:05BUF Buffalo-LHR London Heathrow

14h 50m2 stops Boston Logan Intl Madrid Barajas

08:45 - 22:10LHR London Heathrow-BUF Buffalo

18h 25m2 stops Madrid Barajas Boston Logan Intl

£518Iberia

Wed, 9 Dec - Wed, 16 Dec

09:15 - 11:10BUF Buffalo-LHR London Heathrow

20h 55m2 stops Boston Logan Intl Dublin

09:50 - 19:33LHR London Heathrow-BUF Buffalo

14h 43m2 stops Shannon Boston Logan Intl

£523Aer Lingus

Wed, 30 Sep - Tue, 6 Oct

17:50 - 12:15BUF Buffalo-LHR London Heathrow

13h 25m1 stop Chicago O'Hare Intl

07:50 - 21:35LHR London Heathrow-BUF Buffalo

18h 45m2 stops Madrid Barajas Boston Logan Intl

£527Iberia

Mon, 5 Oct - Tue, 20 Oct

17:50 - 12:15BUF Buffalo-LHR London Heathrow

13h 25m1 stop Chicago O'Hare Intl

07:50 - 21:35LHR London Heathrow-BUF Buffalo

18h 45m2 stops Madrid Barajas Boston Logan Intl

£528Iberia

Mon, 5 Oct - Tue, 20 Oct

16:16 - 13:25BUF Buffalo-LHR London Heathrow

16h 09m2 stops Boston Logan Intl Madrid Barajas

11:25 - 21:35LHR London Heathrow-BUF Buffalo

15h 10m2 stops Madrid Barajas Boston Logan Intl

£534Iberia

Wed, 4 Nov - Tue, 10 Nov

16:15 - 07:00BUF Buffalo-LHR London Heathrow

9h 45m1 stop Boston Logan Intl

13:10 - 22:10LHR London Heathrow-BUF Buffalo

14h 00m1 stop Boston Logan Intl

£535Iberia

Wed, 9 Dec - Wed, 16 Dec

16:16 - 07:00BUF Buffalo-LHR London Heathrow

9h 44m1 stop Boston Logan Intl

15:00 - 21:35LHR London Heathrow-BUF Buffalo

35h 35m2 stops Madrid Barajas Boston Logan Intl

£536Iberia

Wed, 4 Nov - Mon, 9 Nov

18:55 - 11:40BUF Buffalo-LHR London Heathrow

12h 45m1 stop Atlanta Hartsfield-Jackson

19:20 - 15:11LHR London Heathrow-BUF Buffalo

24h 51m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

£540Air France

Mon, 26 Oct - Mon, 2 Nov

16:16 - 13:25BUF Buffalo-LHR London Heathrow

16h 09m2 stops Boston Logan Intl Madrid Barajas

15:00 - 21:35LHR London Heathrow-BUF Buffalo

35h 35m2 stops Madrid Barajas Boston Logan Intl

£542Iberia

Wed, 4 Nov - Mon, 9 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:55 - 08:00BUF Buffalo-LHR London Heathrow

10h 05m1 stop Boston Logan Intl

09:15 - 18:01LHR London Heathrow-BUF Buffalo

13h 46m1 stop Charlotte Douglas

£545American Airlines

Sun, 20 Sep - Tue, 6 Oct

10:30 - 08:00BUF Buffalo-LHR London Heathrow

16h 30m1 stop Boston Logan Intl

14:45 - 23:59LHR London Heathrow-BUF Buffalo

14h 14m1 stop Chicago O'Hare Intl

£551Iberia

Sun, 20 Sep - Tue, 6 Oct

15:53 - 06:45BUF Buffalo-LHR London Heathrow

9h 52m1 stop New York John F Kennedy Intl

11:45 - 22:59LHR London Heathrow-BUF Buffalo

16h 14m1 stop New York John F Kennedy Intl

£571Delta

Sun, 20 Sep - Tue, 6 Oct

15:53 - 12:05BUF Buffalo-LHR London Heathrow

15h 12m1 stop New York John F Kennedy Intl

06:30 - 18:56LHR London Heathrow-BUF Buffalo

17h 26m2 stops Amsterdam Schiphol New York John F Kennedy Intl

£573Delta

Sun, 20 Sep - Tue, 6 Oct

15:53 - 13:15BUF Buffalo-LHR London Heathrow

16h 22m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

06:30 - 18:56LHR London Heathrow-BUF Buffalo

17h 26m2 stops Amsterdam Schiphol New York John F Kennedy Intl

£576Delta

Sun, 20 Sep - Tue, 6 Oct

15:53 - 06:45BUF Buffalo-LHR London Heathrow

9h 52m1 stop New York John F Kennedy Intl

11:45 - 23:59LHR London Heathrow-BUF Buffalo

17h 14m2 stops Amsterdam Schiphol New York John F Kennedy Intl

£610Multiple Airlines

Sun, 20 Sep - Tue, 6 Oct

11:06 - 07:40BUF Buffalo-LHR London Heathrow

15h 34m2 stops New York John F Kennedy Intl Amsterdam Schiphol

11:45 - 23:59LHR London Heathrow-BUF Buffalo

17h 14m2 stops Amsterdam Schiphol New York John F Kennedy Intl

£612KLM

Sun, 20 Sep - Tue, 6 Oct

12:02 - 07:10BUF Buffalo-LHR London Heathrow

14h 08m1 stop Detroit Metropolitan Wayne County

06:30 - 17:36LHR London Heathrow-BUF Buffalo

16h 06m2 stops Amsterdam Schiphol New York John F Kennedy Intl

£642Delta

Wed, 16 Sep - Wed, 23 Sep

10:30 - 08:00BUF Buffalo-LHR London Heathrow

16h 30m1 stop Boston Logan Intl

07:50 - 21:35LHR London Heathrow-BUF Buffalo

18h 45m2 stops Madrid Barajas Boston Logan Intl

£643Iberia

Sun, 20 Sep - Tue, 6 Oct

12:02 - 07:15BUF Buffalo-LHR London Heathrow

14h 13m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

06:30 - 17:36LHR London Heathrow-BUF Buffalo

16h 06m2 stops Amsterdam Schiphol New York John F Kennedy Intl

£645Delta

Wed, 16 Sep - Wed, 23 Sep

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Iberia flights from Buffalo to London Heathrow Airport

Our best Iberia deals on Buffalo to London Heathrow Airport flight tickets

Iberia

9 Dec

BUF16:15Buffalo

9h 45m

1 stop

LHR07:00London Heathrow

16 Dec

LHR08:45London Heathrow

18h 25m

2 stops

BUF22:10Buffalo

£512

Iberia

9 Dec

BUF16:15Buffalo

14h 50m

2 stops

LHR12:05London Heathrow

16 Dec

LHR08:45London Heathrow

18h 25m

2 stops

BUF22:10Buffalo

£518

Iberia

5 Oct

BUF17:50Buffalo

13h 25m

1 stop

LHR12:15London Heathrow

20 Oct

LHR07:50London Heathrow

18h 45m

2 stops

BUF21:35Buffalo

£527

Delta flights from Buffalo to London Heathrow Airport

Our best Delta deals on Buffalo to London Heathrow Airport flight tickets

Delta

30 Sept

BUF06:20Buffalo

19h 50m

1 stop

LHR07:10London Heathrow

6 Oct

LHR06:30London Heathrow

17h 26m

2 stops

BUF18:56Buffalo

£546

Delta

30 Sept

BUF12:02Buffalo

13h 43m

2 stops

LHR06:45London Heathrow

6 Oct

LHR06:30London Heathrow

17h 26m

2 stops

BUF18:56Buffalo

£549

Delta

23 Sept

BUF15:53Buffalo

9h 52m

1 stop

LHR06:45London Heathrow

9 Oct

LHR11:20London Heathrow

12h 36m

1 stop

BUF18:56Buffalo

£551

momondo 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

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 9/12

16:15-07:00

1 stop9h 45m

London Heathrow

Wed 16/12

08:45-22:10

2 stops18h 25m

£512

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 9/12

16:15-12:05

2 stops14h 50m

London Heathrow

Wed 16/12

08:45-22:10

2 stops18h 25m

£518

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 30/9

09:15-11:10

2 stops20h 55m

London Heathrow

Tue 6/10

09:50-19:33

2 stops14h 43m

£523

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 5/10

17:50-12:15

1 stop13h 25m

London Heathrow

Tue 20/10

07:50-21:35

2 stops18h 45m

£527

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 5/10

17:50-12:15

1 stop13h 25m

London Heathrow

Tue 20/10

07:50-21:35

2 stops18h 45m

£528

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 4/11

16:16-13:25

2 stops16h 09m

London Heathrow

Tue 10/11

11:25-21:35

2 stops15h 10m

£534

Fastest return journey

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 9/12

16:15-07:00

1 stop9h 45m

London Heathrow

Wed 16/12

13:10-22:10

1 stop14h 00m

£535

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 4/11

16:16-07:00

1 stop9h 44m

London Heathrow

Mon 9/11

15:00-21:35

2 stops35h 35m

£536

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 26/10

18:55-11:40

1 stop12h 45m

London Heathrow

Mon 2/11

19:20-15:11

2 stops24h 51m

£540

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 4/11

16:16-13:25

2 stops16h 09m

London Heathrow

Mon 9/11

15:00-21:35

2 stops35h 35m

£542

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Buffalo and London Heathrow Airport?

Prices are currently low for flights on this route.

Typical prices usually range from £559 to £698.
The lowest price recently found on this route was £512.

What is the cheapest month to fly to London Heathrow Airport?

In general, February is the cheapest month to fly from Buffalo to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £486. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from Buffalo averaging around £540.

When to book flights from Buffalo to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Buffalo to London Heathrow Airport (BUF to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to London Heathrow Airport

Best price found	£233
Fastest flight time	10h 40m
Direct flights	None

The best one-way flight to London Heathrow Airport from Buffalo in the past 72 hours is £233. The best return flight deal from Buffalo to London Heathrow Airport found on momondo in the last 72 hours is £512.

The fastest flight from Buffalo to London Heathrow Airport takes 10h 40m

There are no direct flights from Buffalo to London Heathrow Airport. There are no popular flight routes from Buffalo to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Buffalo to London Heathrow Airport

How far is Buffalo to London Heathrow by plane?
The straight-line distance from Buffalo to London Heathrow is 3548.4 mi. Flights usually cover this in 10h 40m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Buffalo Airport to London Heathrow Airport?
Prices for flights from Buffalo Airport to London Heathrow Airport are updated daily.
How old do you have to be to fly from Buffalo Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Eastbourne

Wembley

Gatwick

Milton Keynes

Stratford-upon-Avon

Southend-on-Sea

Luton

Northampton

Slough

Ipswich

Swindon

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Poole

Chichester

Hayes

Bedford

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Buffalo.

Can I find flights from Buffalo to London with flexible booking policies on momondo?

All flight searches from Buffalo to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Buffalo to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Buffalo.

I’m not ready to book a flight from Buffalo to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Buffalo and alert you when they change.