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Cheap flights from Buffalo to London from £161

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 13/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Buffalo to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
07:00 - 05:55
BUF
-
LHR
18h 55m
1 stop
United Airlines Logo
06:50 - 20:46
LHR
-
BUF
17h 56m
2 stops
£463United Airlines
Mon, 9 Mar - Mon, 16 Mar
Delta Logo
07:00 - 06:20
BUF
-
LHR
19h 20m
1 stop
Delta Logo
11:45 - 22:55
LHR
-
BUF
15h 10m
2 stops
£463Delta
Wed, 18 Mar - Wed, 25 Mar
Virgin Atlantic Logo
17:50 - 10:15
BUF
-
LHR
12h 25m
2 stops
Virgin Atlantic Logo
11:45 - 00:14
LHR
-
BUF
16h 29m
2 stops
£466Virgin Atlantic
Mon, 9 Mar - Mon, 16 Mar
Lufthansa Logo
19:30 - 15:50
BUF
-
LHR
16h 20m
2 stops
Lufthansa Logo
09:00 - 23:50
LHR
-
BUF
19h 50m
2 stops
£469Lufthansa
Mon, 23 Mar - Tue, 31 Mar
Lufthansa Logo
19:30 - 17:05
BUF
-
LHR
17h 35m
2 stops
Lufthansa Logo
10:50 - 23:50
LHR
-
BUF
18h 00m
2 stops
£469Lufthansa
Mon, 23 Mar - Tue, 31 Mar
United Airlines Logo
06:51 - 11:15
BUF
-
LHR
24h 24m
1 stop
United Airlines Logo
18:00 - 18:42
LHR
-
BUF
28h 42m
2 stops
£472United Airlines
Sun, 8 Mar - Sun, 15 Mar
United Airlines Logo
14:49 - 09:10
BUF
-
LHR
14h 21m
2 stops
United Airlines Logo
08:30 - 20:46
LHR
-
BUF
16h 16m
2 stops
£474United Airlines
Tue, 10 Mar - Tue, 17 Mar
United Airlines Logo
19:30 - 07:10
BUF
-
LHR
31h 40m
2 stops
United Airlines Logo
18:00 - 18:42
LHR
-
BUF
28h 42m
2 stops
£475United Airlines
Sun, 8 Mar - Sun, 15 Mar
Lufthansa Logo
19:30 - 15:50
BUF
-
LHR
16h 20m
2 stops
Lufthansa Logo
09:30 - 23:50
LHR
-
BUF
19h 20m
2 stops
£476Lufthansa
Mon, 23 Mar - Tue, 31 Mar
JetBlue Logo
10:35 - 09:30
BUF
-
LHR
17h 55m
1 stop
JetBlue Logo
08:05 - 23:32
LHR
-
BUF
20h 27m
1 stop
£477JetBlue
Sun, 22 Feb - Fri, 27 Feb

United Airlines flights from Buffalo to London Heathrow Airport

Our best United Airlines deals on Buffalo to London Heathrow Airport flight tickets
United Airlines
9 Mar
BUF07:00Buffalo
18h 55m
1 stop
LHR05:55London Heathrow
16 Mar
LHR06:50London Heathrow
17h 56m
2 stops
BUF20:46Buffalo
£463
United Airlines
8 Mar
BUF06:51Buffalo
24h 24m
1 stop
LHR11:15London Heathrow
15 Mar
LHR18:00London Heathrow
28h 42m
2 stops
BUF18:42Buffalo
£472
United Airlines
10 Mar
BUF14:49Buffalo
14h 21m
2 stops
LHR09:10London Heathrow
17 Mar
LHR08:30London Heathrow
16h 16m
2 stops
BUF20:46Buffalo
£474

British Airways flights from Buffalo to London Heathrow Airport

Our best British Airways deals on Buffalo to London Heathrow Airport flight tickets
British Airways
20 Apr
BUF15:55Buffalo
13h 25m
1 stop
LHR10:20London Heathrow
30 Apr
LHR06:15London Heathrow
22h 04m
2 stops
BUF23:19Buffalo
£478
British Airways
10 Mar
BUF11:23Buffalo
15h 12m
1 stop
LHR06:35London Heathrow
17 Mar
LHR11:00London Heathrow
16h 40m
1 stop
BUF23:40Buffalo
£482
British Airways
15 Apr
BUF11:31Buffalo
14h 19m
1 stop
LHR06:50London Heathrow
15 May
LHR09:15London Heathrow
11h 14m
1 stop
BUF15:29Buffalo
£493

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 11 February 2026.
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 9/3

07:00-05:55

1 stop18h 55m

London Heathrow

Mon 16/3

06:50-20:46

2 stops17h 56m

£463

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 18/3

07:00-06:20

1 stop19h 20m

London Heathrow

Wed 25/3

11:45-22:55

2 stops15h 10m

£463

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 9/3

17:50-10:15

2 stops12h 25m

London Heathrow

Mon 16/3

11:45-00:14

2 stops16h 29m

£466

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 23/3

19:30-15:50

2 stops16h 20m

London Heathrow

Tue 31/3

09:00-23:50

2 stops19h 50m

£469

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 23/3

19:30-17:05

2 stops17h 35m

London Heathrow

Tue 31/3

10:50-23:50

2 stops18h 00m

£469

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 8/3

06:51-11:15

1 stop24h 24m

London Heathrow

Sun 15/3

18:00-18:42

2 stops28h 42m

£472

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 10/3

14:49-09:10

2 stops14h 21m

London Heathrow

Tue 17/3

08:30-20:46

2 stops16h 16m

£474

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 8/3

19:30-07:10

2 stops31h 40m

London Heathrow

Sun 15/3

18:00-18:42

2 stops28h 42m

£475

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 23/3

19:30-15:50

2 stops16h 20m

London Heathrow

Tue 31/3

09:30-23:50

2 stops19h 20m

£476

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 22/2

10:35-09:30

1 stop17h 55m

London Heathrow

Fri 27/2

08:05-23:32

1 stop20h 27m

£477

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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, 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 £447. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Buffalo averaging around £462.

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 £573 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 £425 on momondo.

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

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 40m

Direct flights

None
The fastest flight from Buffalo to London Heathrow Airport takes 9h 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

  • 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 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.

Travelling to a place near London?

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

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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