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Cheap flights from Buffalo to London from £238

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 20/7. 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
19:55 - 06:55
BUF
-
LHR
30h 00m
1 stop
United Airlines Logo
06:50 - 16:47
LHR
-
BUF
14h 57m
2 stops
£570United Airlines
Sun, 4 Oct - Wed, 7 Oct
United Airlines Logo
10:50 - 10:00
BUF
-
LHR
42h 10m
2 stops
United Airlines Logo
06:50 - 16:47
LHR
-
BUF
14h 57m
2 stops
£572United Airlines
Sun, 4 Oct - Wed, 7 Oct
Multiple Airlines Logo
18:10 - 10:30
BUF
-
LHR
11h 20m
1 stop
Multiple Airlines Logo
08:15 - 19:01
LHR
-
BUF
15h 46m
1 stop
£615Multiple Airlines
Tue, 8 Sep - Tue, 22 Sep
Multiple Airlines Logo
14:26 - 09:35
BUF
-
LHR
14h 09m
2 stops
Multiple Airlines Logo
08:15 - 19:01
LHR
-
BUF
15h 46m
1 stop
£626Multiple Airlines
Tue, 8 Sep - Tue, 22 Sep
Air Canada Logo
07:00 - 06:35
BUF
-
LHR
18h 35m
2 stops
Air Canada Logo
06:00 - 21:07
LHR
-
BUF
20h 07m
2 stops
£630Air Canada
Wed, 26 Aug - Fri, 11 Sep
SWISS Logo
10:30 - 16:25
BUF
-
LHR
24h 55m
2 stops
SWISS Logo
06:00 - 21:07
LHR
-
BUF
20h 07m
2 stops
£632SWISS
Wed, 26 Aug - Fri, 11 Sep
SWISS Logo
10:30 - 16:25
BUF
-
LHR
24h 55m
2 stops
SWISS Logo
06:00 - 21:07
LHR
-
BUF
20h 07m
2 stops
£633SWISS
Wed, 26 Aug - Fri, 11 Sep
Multiple Airlines Logo
10:06 - 09:05
BUF
-
LHR
17h 59m
1 stop
Multiple Airlines Logo
08:15 - 14:26
LHR
-
BUF
11h 11m
1 stop
£634Multiple Airlines
Wed, 26 Aug - Fri, 11 Sep
Multiple Airlines Logo
17:49 - 06:50
BUF
-
LHR
32h 01m
1 stop
Multiple Airlines Logo
08:40 - 19:24
LHR
-
BUF
15h 44m
1 stop
£636Multiple Airlines
Sat, 22 Aug - Wed, 26 Aug
Air France Logo
16:13 - 11:20
BUF
-
LHR
14h 07m
1 stop
Air France Logo
11:30 - 23:03
LHR
-
BUF
16h 33m
2 stops
£638Air France
Wed, 26 Aug - Fri, 11 Sep

SWISS flights from Buffalo to London Heathrow Airport

Our best SWISS deals on Buffalo to London Heathrow Airport flight tickets
SWISS
26 Aug
BUF10:30Buffalo
24h 55m
2 stops
LHR16:25London Heathrow
11 Sept
LHR06:00London Heathrow
20h 07m
2 stops
BUF21:07Buffalo
£632
SWISS
26 Aug
BUF10:30Buffalo
24h 55m
2 stops
LHR16:25London Heathrow
11 Sept
LHR06:00London Heathrow
20h 07m
2 stops
BUF21:07Buffalo
£633

Virgin Atlantic flights from Buffalo to London Heathrow Airport

Our best Virgin Atlantic deals on Buffalo to London Heathrow Airport flight tickets
Virgin Atlantic
8 Oct
BUF07:00Buffalo
18h 20m
1 stop
LHR06:20London Heathrow
12 Oct
LHR11:15London Heathrow
17h 40m
1 stop
BUF23:55Buffalo
£667
Virgin Atlantic
2 Oct
BUF15:50Buffalo
9h 55m
1 stop
LHR06:45London Heathrow
10 Oct
LHR11:45London Heathrow
17h 14m
2 stops
BUF23:59Buffalo
£671

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 22 May 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

Cheapest return flight

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 4/10

19:55-06:55

1 stop30h 00m

London Heathrow

Wed 7/10

06:50-16:47

2 stops14h 57m

£570

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 4/10

10:50-10:00

2 stops42h 10m

London Heathrow

Wed 7/10

06:50-16:47

2 stops14h 57m

£572
Fastest return journey

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 8/9

18:10-10:30

1 stop11h 20m

London Heathrow

Tue 22/9

08:15-19:01

1 stop15h 46m

£615

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 8/9

14:26-09:35

2 stops14h 09m

London Heathrow

Tue 22/9

08:15-19:01

1 stop15h 46m

£626

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 26/8

07:00-06:35

2 stops18h 35m

London Heathrow

Fri 11/9

06:00-21:07

2 stops20h 07m

£630

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 26/8

10:30-16:25

2 stops24h 55m

London Heathrow

Fri 11/9

06:00-21:07

2 stops20h 07m

£632

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 26/8

10:30-16:25

2 stops24h 55m

London Heathrow

Fri 11/9

06:00-21:07

2 stops20h 07m

£633

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 26/8

10:06-09:05

1 stop17h 59m

London Heathrow

Fri 11/9

08:15-14:26

1 stop11h 11m

£634

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 22/8

17:49-06:50

1 stop32h 01m

London Heathrow

Wed 26/8

08:40-19:24

1 stop15h 44m

£636

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 26/8

16:13-11:20

1 stop14h 07m

London Heathrow

Fri 11/9

11:30-23:03

2 stops16h 33m

£638

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 typical price of a round-trip flight between Buffalo and London Heathrow Airport?

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

In general, September 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 £470. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Buffalo averaging around £471.

How far in advance should I book a flight from Buffalo 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 £586 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 £413 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 25m

Direct flights

None
The fastest flight from Buffalo to London Heathrow Airport takes 9h 25m
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 9h 25m, 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
Gatwick
Luton
Wembley
Stratford-upon-Avon
Slough
Maidstone
Northampton
Swindon
Ipswich
Southend-on-Sea
Canterbury
Ilford
Hayes
Guildford
Poole
Folkestone
Chelmsford
Dover

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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