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Cheap flights from Buffalo to London from £204

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to London departing on 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Lufthansa Logo
17:55 - 11:45BUF-LHR
12h 50m1 stop
Lufthansa Logo
08:30 - 16:53LHR-BUF
13h 23m1 stop
£357Lufthansa
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Sun, 5 Oct - Wed, 15 Oct
Lufthansa Logo
17:55 - 11:45BUF-LHR
12h 50m1 stop
Lufthansa Logo
15:10 - 22:58LHR-BUF
11h 48m1 stop
£358Lufthansa
Find Deal
Wed, 22 Oct - Wed, 29 Oct
United Airlines Logo
17:55 - 11:45BUF-LHR
12h 50m1 stop
United Airlines Logo
16:00 - 11:33LHR-BUF
23h 33m1 stop
£369United Airlines
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Wed, 22 Oct - Wed, 29 Oct
United Airlines Logo
08:30 - 07:55BUF-LHR
18h 25m1 stop
United Airlines Logo
09:00 - 20:41LHR-BUF
16h 41m2 stops
£379United Airlines
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Tue, 20 Jan - Tue, 27 Jan
Air Canada Logo
07:07 - 11:50BUF-LHR
23h 43m2 stops
Air Canada Logo
14:05 - 16:53LHR-BUF
31h 48m2 stops
£380Air Canada
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Tue, 7 Oct - Tue, 21 Oct
Logo
19:59 - 11:00BUF-LHR
10h 01m1 stop
Logo
16:05 - 23:56LHR-BUF
12h 51m1 stop
£386
Find Deal
Tue, 30 Sep - Wed, 8 Oct
Delta Logo
13:45 - 07:15BUF-LHR
12h 30m1 stop
Delta Logo
11:30 - 22:52LHR-BUF
15h 22m2 stops
£387Delta
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Tue, 14 Oct - Tue, 28 Oct
Delta Logo
15:56 - 11:10BUF-LHR
14h 14m2 stops
Delta Logo
09:00 - 22:52LHR-BUF
17h 52m2 stops
£390Delta
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Tue, 14 Oct - Tue, 28 Oct
Air Canada Logo
07:07 - 06:30BUF-LHR
18h 23m2 stops
Air Canada Logo
08:30 - 21:13LHR-BUF
17h 43m2 stops
£391Air Canada
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Sun, 5 Oct - Wed, 15 Oct
Logo
19:30 - 13:30BUF-LHR
13h 00m1 stop
Logo
11:45 - 22:52LHR-BUF
15h 07m2 stops
£421
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Thu, 23 Oct - Thu, 30 Oct

British Airways flights from Buffalo to London Heathrow Airport

Our best British Airways deals on Buffalo to London Heathrow Airport flight tickets
British Airways
16 Nov
BUF16:26Buffalo
12h 59m
1 stop
LHR10:25London Heathrow
24 Nov
LHR19:05London Heathrow
28h 30m
2 stops
BUF18:35Buffalo
£406
Find similar
British Airways
16 Oct
BUF15:21Buffalo
11h 44m
1 stop
LHR08:05London Heathrow
20 Oct
LHR09:15London Heathrow
12h 42m
1 stop
BUF16:57Buffalo
£466
Find similar

Delta flights from Buffalo to London Heathrow Airport

Our best Delta deals on Buffalo to London Heathrow Airport flight tickets
Delta
14 Oct
BUF13:45Buffalo
12h 30m
1 stop
LHR07:15London Heathrow
28 Oct
LHR11:30London Heathrow
15h 22m
2 stops
BUF22:52Buffalo
£387
Find similar
Delta
14 Oct
BUF15:56Buffalo
14h 14m
2 stops
LHR11:10London Heathrow
28 Oct
LHR09:00London Heathrow
17h 52m
2 stops
BUF22:52Buffalo
£390
Find similar
Delta
5 Dec
BUF09:14Buffalo
18h 31m
1 stop
LHR08:45London Heathrow
11 Dec
LHR06:20London Heathrow
17h 59m
2 stops
BUF19:19Buffalo
£423
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momondo Fare Finder

 
Customise your flight search to find flights from Buffalo to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 8 September 2025.
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

Sun 5/10

17:55-11:45

1 stop12h 50m

London Heathrow

Wed 15/10

08:30-16:53

1 stop13h 23m

£357

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 22/10

17:55-11:45

1 stop12h 50m

London Heathrow

Wed 29/10

15:10-22:58

1 stop11h 48m

£358

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 22/10

17:55-11:45

1 stop12h 50m

London Heathrow

Wed 29/10

16:00-11:33

1 stop23h 33m

£369

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 20/1

08:30-07:55

1 stop18h 25m

London Heathrow

Tue 27/1

09:00-20:41

2 stops16h 41m

£379

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 7/10

07:07-11:50

2 stops23h 43m

London Heathrow

Tue 21/10

14:05-16:53

2 stops31h 48m

£380

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 30/9

19:59-11:00

1 stop10h 01m

London Heathrow

Wed 8/10

16:05-23:56

1 stop12h 51m

£386

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 14/10

13:45-07:15

1 stop12h 30m

London Heathrow

Tue 28/10

11:30-22:52

2 stops15h 22m

£387

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 14/10

15:56-11:10

2 stops14h 14m

London Heathrow

Tue 28/10

09:00-22:52

2 stops17h 52m

£390

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 5/10

07:07-06:30

2 stops18h 23m

London Heathrow

Wed 15/10

08:30-21:13

2 stops17h 43m

£391

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 23/10

19:30-13:30

1 stop13h 00m

London Heathrow

Thu 30/10

11:45-22:52

2 stops15h 07m

£421

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

In general, October 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 £467. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Buffalo averaging around £474.

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.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Buffalo to London Heathrow Airport in the evening for as low as £520. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £815 on average. Flights to London Heathrow Airport from Buffalo in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £555 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 September 2025, prices for Buffalo to London Heathrow Airport flights are approximately 7% cheaper 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

Direct flights

None
There are no direct flights from Buffalo to London Heathrow Airport. There are no popular flight routes from Buffalo to London Heathrow Airport.
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  • 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 47m, 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Maidstone
Northampton
Gatwick
Slough
Swindon
Stratford-upon-Avon
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Swanage
Colchester
Poole
Worthing
Salisbury
Chelmsford

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.

An easier way to manage your London Heathrow Airport trip

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