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

JetBlue is the most popular carrier 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.

£210 Cheap Flights from Buffalo to London Heathrow Airport in 2025/26

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14:49 - 06:40

BUF

LHR

10h 51m1 stop

06:35 - 19:25

LHR

BUF

17h 50m2 stops

£443Lufthansa

Mon, 26 Jan - Mon, 2 Feb

14:49 - 06:40

BUF

LHR

10h 51m1 stop

06:35 - 19:25

LHR

BUF

17h 50m2 stops

£444Lufthansa

Fri, 23 Jan - Fri, 30 Jan

14:49 - 06:40

BUF

LHR

10h 51m1 stop

12:05 - 19:06

LHR

BUF

12h 01m1 stop

£449Lufthansa

Wed, 11 Feb - Mon, 16 Feb

14:49 - 10:25

BUF

LHR

15h 36m2 stops

11:10 - 23:56

LHR

BUF

16h 46m2 stops

£449Lufthansa

Wed, 11 Mar - Tue, 17 Mar

18:25 - 11:05

BUF

LHR

11h 40m1 stop

09:30 - 23:56

LHR

BUF

18h 26m2 stops

£451Lufthansa

Sat, 28 Feb - Fri, 13 Mar

10:25 - 06:55

BUF

LHR

15h 30m1 stop

09:20 - 18:47

LHR

BUF

14h 27m1 stop

£455JetBlue

Tue, 20 Jan - Thu, 5 Feb

07:00 - 09:30

BUF

LHR

21h 30m1 stop

07:25 - 23:47

LHR

BUF

21h 22m1 stop

£456JetBlue

Tue, 20 Jan - Thu, 5 Feb

14:49 - 09:45

BUF

LHR

13h 56m2 stops

08:45 - 22:31

LHR

BUF

18h 46m2 stops

£457Lufthansa

Mon, 2 Feb - Wed, 11 Feb

14:49 - 09:45

BUF

LHR

13h 56m2 stops

06:35 - 19:25

LHR

BUF

17h 50m2 stops

£458Lufthansa

Fri, 23 Jan - Fri, 30 Jan

14:49 - 10:50

BUF

LHR

15h 01m1 stop

06:50 - 19:06

LHR

BUF

17h 16m2 stops

£461Multiple Airlines

Sun, 8 Feb - Sun, 15 Feb

Lufthansa flights from Buffalo to London Heathrow Airport

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

Lufthansa

26 Jan

BUF14:49Buffalo

10h 51m

1 stop

LHR06:40London Heathrow

2 Feb

LHR06:35London Heathrow

17h 50m

2 stops

BUF19:25Buffalo

£443

Find similar

Lufthansa

23 Jan

BUF14:49Buffalo

10h 51m

1 stop

LHR06:40London Heathrow

30 Jan

LHR06:35London Heathrow

17h 50m

2 stops

BUF19:25Buffalo

£444

Find similar

Lufthansa

11 Feb

BUF14:49Buffalo

10h 51m

1 stop

LHR06:40London Heathrow

16 Feb

LHR12:05London Heathrow

12h 01m

1 stop

BUF19:06Buffalo

£449

Find similar

United Airlines flights from Buffalo to London Heathrow Airport

Our best United Airlines deals on Buffalo to London Heathrow Airport flight tickets

United Airlines

30 Jan

BUF13:59Buffalo

10h 56m

1 stop

LHR05:55London Heathrow

3 Feb

LHR06:50London Heathrow

14h 54m

2 stops

BUF16:44Buffalo

£466

Find similar

United Airlines

25 Jan

BUF17:23Buffalo

12h 52m

1 stop

LHR11:15London Heathrow

10 Feb

LHR06:50London Heathrow

15h 50m

2 stops

BUF17:40Buffalo

£466

Find similar

United Airlines

27 Jan

BUF10:45Buffalo

15h 25m

2 stops

LHR07:10London Heathrow

11 Feb

LHR06:50London Heathrow

14h 54m

2 stops

BUF16:44Buffalo

£469

Find similar

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

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 26/1

14:49-06:40

1 stop10h 51m

London Heathrow

Mon 2/2

06:35-19:25

2 stops17h 50m

£443

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 23/1

14:49-06:40

1 stop10h 51m

London Heathrow

Fri 30/1

06:35-19:25

2 stops17h 50m

£444

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 11/2

14:49-06:40

1 stop10h 51m

London Heathrow

Mon 16/2

12:05-19:06

1 stop12h 01m

£449

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 11/3

14:49-10:25

2 stops15h 36m

London Heathrow

Tue 17/3

11:10-23:56

2 stops16h 46m

£449

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 28/2

18:25-11:05

1 stop11h 40m

London Heathrow

Fri 13/3

09:30-23:56

2 stops18h 26m

£451

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 20/1

10:25-06:55

1 stop15h 30m

London Heathrow

Thu 5/2

09:20-18:47

1 stop14h 27m

£455

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 20/1

07:00-09:30

1 stop21h 30m

London Heathrow

Thu 5/2

07:25-23:47

1 stop21h 22m

£456

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 2/2

14:49-09:45

2 stops13h 56m

London Heathrow

Wed 11/2

08:45-22:31

2 stops18h 46m

£457

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 23/1

14:49-09:45

2 stops13h 56m

London Heathrow

Fri 30/1

06:35-19:25

2 stops17h 50m

£458

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 8/2

14:49-10:50

1 stop15h 01m

London Heathrow

Sun 15/2

06:50-19:06

2 stops17h 16m

£461

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 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 £464. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Buffalo averaging around £468.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Buffalo is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £520. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £997.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £581 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Buffalo for as low as £448 on momondo.

How have Buffalo to London Heathrow Airport flight prices changed over time?

As of December 2025, prices for Buffalo to London Heathrow Airport flights are approximately 8% more expensive when compared to flights at the same time last year.

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

Fastest flight time	9h 45m
Direct flights	None

The fastest flight from Buffalo to London Heathrow Airport takes 9h 45m

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

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 9h 45m, 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

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Northampton

Swindon

Stratford-upon-Avon

Southend-on-Sea

Canterbury

Ipswich

Ilford

Poole

Guildford

Swanage

Hayes

Chelmsford

Dover

Worthing

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.