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Cheap flights from Buffalo to London from £239

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 9/9. 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
1 adult, Economy, 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.
JetBlue Logo
15:52 - 09:30
BUF
-
LHR
12h 38m
1 stop
JetBlue Logo
08:15 - 18:51
LHR
-
BUF
15h 36m
1 stop
£591JetBlue
Tue, 1 Sep - Tue, 8 Sep
Multiple Airlines Logo
15:53 - 07:15
BUF
-
LHR
10h 22m
1 stop
Multiple Airlines Logo
08:40 - 20:24
LHR
-
BUF
16h 44m
1 stop
£592Multiple Airlines
Sun, 23 Aug - Mon, 14 Sep
JetBlue Logo
10:27 - 06:30
BUF
-
LHR
15h 03m
1 stop
JetBlue Logo
08:15 - 07:50
LHR
-
BUF
28h 35m
1 stop
£597JetBlue
Sat, 29 Aug - Sat, 5 Sep
JetBlue Logo
06:00 - 06:30
BUF
-
LHR
19h 30m
1 stop
JetBlue Logo
08:40 - 18:14
LHR
-
BUF
14h 34m
1 stop
£598JetBlue
Sat, 29 Aug - Sat, 5 Sep
JetBlue Logo
10:27 - 06:30
BUF
-
LHR
15h 03m
1 stop
JetBlue Logo
08:15 - 14:36
LHR
-
BUF
11h 21m
1 stop
£598JetBlue
Mon, 31 Aug - Mon, 7 Sep
JetBlue Logo
20:02 - 20:45
BUF
-
LHR
19h 43m
1 stop
JetBlue Logo
08:40 - 20:24
LHR
-
BUF
16h 44m
1 stop
£600JetBlue
Tue, 18 Aug - Wed, 16 Sep
JetBlue Logo
06:00 - 06:30
BUF
-
LHR
19h 30m
1 stop
JetBlue Logo
08:40 - 18:09
LHR
-
BUF
14h 29m
1 stop
£612JetBlue
Fri, 28 Aug - Fri, 4 Sep
JetBlue Logo
15:55 - 09:30
BUF
-
LHR
12h 35m
1 stop
JetBlue Logo
11:55 - 00:13
LHR
-
BUF
17h 18m
1 stop
£614JetBlue
Thu, 13 Aug - Mon, 24 Aug
SWISS Logo
10:40 - 07:55
BUF
-
LHR
16h 15m
2 stops
SWISS Logo
20:05 - 20:47
LHR
-
BUF
29h 42m
2 stops
£615SWISS
Wed, 30 Sep - Tue, 6 Oct
SWISS Logo
10:46 - 07:55
BUF
-
LHR
16h 09m
2 stops
SWISS Logo
20:05 - 20:47
LHR
-
BUF
29h 42m
2 stops
£615SWISS
Wed, 30 Sep - Tue, 6 Oct

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JetBlue flights from Buffalo to London Heathrow Airport

Our best JetBlue deals on Buffalo to London Heathrow Airport flight tickets
JetBlue
1 Sept
BUF15:52Buffalo
12h 38m
1 stop
LHR09:30London Heathrow
8 Sept
LHR08:15London Heathrow
15h 36m
1 stop
BUF18:51Buffalo
£591
JetBlue
29 Aug
BUF10:27Buffalo
15h 03m
1 stop
LHR06:30London Heathrow
5 Sept
LHR08:15London Heathrow
28h 35m
1 stop
BUF07:50Buffalo
£597
JetBlue
31 Aug
BUF10:27Buffalo
15h 03m
1 stop
LHR06:30London Heathrow
7 Sept
LHR08:15London Heathrow
11h 21m
1 stop
BUF14:36Buffalo
£598

Iberia flights from Buffalo to London Heathrow Airport

Our best Iberia deals on Buffalo to London Heathrow Airport flight tickets
Iberia
13 Aug
BUF16:38Buffalo
10h 22m
1 stop
LHR08:00London Heathrow
24 Aug
LHR06:15London Heathrow
20h 33m
2 stops
BUF21:48Buffalo
£639
Iberia
24 Aug
BUF18:09Buffalo
13h 06m
1 stop
LHR12:15London Heathrow
6 Sept
LHR09:15London Heathrow
17h 33m
2 stops
BUF21:48Buffalo
£640
Iberia
13 Aug
BUF16:38Buffalo
21h 17m
2 stops
LHR18:55London Heathrow
24 Aug
LHR07:50London Heathrow
18h 58m
2 stops
BUF21:48Buffalo
£645

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 20 July 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

Tue 1/9

15:52-09:30

1 stop12h 38m

London Heathrow

Tue 8/9

08:15-18:51

1 stop15h 36m

£591

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 23/8

15:53-07:15

1 stop10h 22m

London Heathrow

Mon 14/9

08:40-20:24

1 stop16h 44m

£592

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 29/8

10:27-06:30

1 stop15h 03m

London Heathrow

Sat 5/9

08:15-07:50

1 stop28h 35m

£597

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 29/8

06:00-06:30

1 stop19h 30m

London Heathrow

Sat 5/9

08:40-18:14

1 stop14h 34m

£598
Fastest return journey

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 31/8

10:27-06:30

1 stop15h 03m

London Heathrow

Mon 7/9

08:15-14:36

1 stop11h 21m

£598

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 18/8

20:02-20:45

1 stop19h 43m

London Heathrow

Wed 16/9

08:40-20:24

1 stop16h 44m

£600

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 28/8

06:00-06:30

1 stop19h 30m

London Heathrow

Fri 4/9

08:40-18:09

1 stop14h 29m

£612

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 13/8

15:55-09:30

1 stop12h 35m

London Heathrow

Mon 24/8

11:55-00:13

1 stop17h 18m

£614

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 30/9

10:40-07:55

2 stops16h 15m

London Heathrow

Tue 6/10

20:05-20:47

2 stops29h 42m

£615

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 30/9

10:46-07:55

2 stops16h 09m

London Heathrow

Tue 6/10

20:05-20:47

2 stops29h 42m

£615

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £489.

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 £627 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 £465 on momondo.

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 35m

Direct flights

None
The fastest flight from Buffalo to London Heathrow Airport takes 9h 35m
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 35m, 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
Wembley
Gatwick
Milton Keynes
Luton
Stratford-upon-Avon
Southend-on-Sea
Slough
Northampton
Ipswich
Maidstone
Swindon
Folkestone
Ilford
Hastings
Poole
Canterbury
Guildford
Chichester
Hayes

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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