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Cheap flights from Buffalo to London Heathrow Airport from £161

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
17 Mar — 24 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Heathrow
Explore the most affordable flight options available from Buffalo to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 February 2026.

Mon 23/319:30
BUF
-
LHR
2 stops19h 05m
Lufthansa
Tue 31/310:50
LHR
-
BUF
2 stops18h 00m
Lufthansa
Deal found 15/2£469
Fri 20/306:00
BUF
-
LHR
1 stop11h 20m
United Airlines
Tue 24/313:25
LHR
-
BUF
2 stops35h 21m
United Airlines
Deal found 14/2£469
Mon 27/411:31
BUF
-
LHR
1 stop15h 09m
Iberia
Tue 5/507:50
LHR
-
BUF
2 stops18h 46m
Iberia
Deal found 15/2£472
Tue 29/917:50
BUF
-
LHR
2 stops35h 10m
Multiple Airlines
Thu 8/1020:05
LHR
-
BUF
2 stops29h 26m
Multiple Airlines
Deal found 12/2£474
Tue 31/306:00
BUF
-
LHR
1 stop9h 40m
United Airlines
Tue 7/406:50
LHR
-
BUF
2 stops15h 26m
United Airlines
Deal found 14/2£475
Wed 18/307:00
BUF
-
LHR
2 stops19h 30m
Air Canada
Wed 25/313:25
LHR
-
BUF
2 stops31h 17m
Air Canada
Deal found 13/2£476
Fri 20/315:56
BUF
-
LHR
1 stop12h 09m
KLM
Tue 24/316:10
LHR
-
BUF
1 stop12h 04m
KLM
Deal found 14/2£477
Fri 24/417:57
BUF
-
LHR
2 stops55h 33m
Multiple Airlines
Tue 5/510:50
LHR
-
BUF
2 stops17h 43m
Multiple Airlines
Deal found 15/2£477
Tue 24/208:00
BUF
-
LHR
1 stop17h 55m
JetBlue
Sat 28/212:20
LHR
-
BUF
1 stop16h 12m
JetBlue
Deal found 11/2£483
Mon 23/215:05
BUF
-
LHR
1 stop13h 25m
JetBlue
Thu 26/207:25
LHR
-
BUF
1 stop31h 10m
JetBlue
Deal found 14/2£484
Mon 2/306:00
BUF
-
LHR
1 stop9h 45m
JetBlue
Fri 6/308:05
LHR
-
BUF
1 stop20h 27m
JetBlue
Deal found 12/2£485

Find flight deals from Buffalo to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 February 2026.

Round-trip from

£469

One-way from

£161

Popular in

June

Cheapest in

February

Average price

£447
Lufthansa
  • Lufthansa
  • 23/3-31/3
  • 4 total stops
  • 37h 05m total
  • Buffalo to London
Search Deals
United Airlines
  • United Airlines
  • 2/8
  • 1 total stop
  • 21h 00m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Buffalo to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 15 February 2026.
Use the filters below to find and compare flights from Buffalo to London Heathrow Airport that are best for you.

Fly from

Buffalo

Fly to

Heathrow

Route

Depart

Return

Price

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 20/3

06:00-21:20

1 stop11h 20m

London Heathrow

Tue 24/3

13:25-20:46

2 stops35h 21m

£469

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 8/3

06:00-09:30

1 stop23h 30m

London Heathrow

Sun 15/3

07:45-09:04

1 stop29h 19m

£485

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 18/3

12:07-07:50

1 stop15h 43m

London Heathrow

Wed 25/3

20:00-11:44

2 stops19h 44m

£488

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 23/3

19:56-20:10

1 stop20h 14m

London Heathrow

Tue 31/3

08:55-22:55

2 stops19h 00m

£492

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 27/4

18:00-11:15

1 stop12h 15m

London Heathrow

Tue 5/5

09:45-17:30

1 stop12h 45m

£494

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 5/8

06:00-06:55

1 stop19h 55m

London Heathrow

Thu 20/8

08:00-20:31

1 stop17h 31m

£499

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 12/5

17:41-12:05

1 stop13h 24m

London Heathrow

Fri 22/5

16:20-00:19

1 stop12h 59m

£512

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 12/5

10:32-06:20

1 stop14h 48m

London Heathrow

Thu 21/5

08:20-17:01

1 stop13h 41m

£512

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 7/5

07:00-08:50

1 stop20h 50m

London Heathrow

Fri 15/5

11:30-23:59

2 stops17h 29m

£517

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 2/8

06:00-06:45

2 stops19h 45m

£161

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 16 results
1
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Best time to book a flight from Buffalo to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Buffalo with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to London Heathrow Airport

How far ahead should I book a flight from Buffalo to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Buffalo to Heathrow. Price data was last updated on 13 February 2026.

To ensure you get the cheapest price possible for a flight from Buffalo to London Heathrow Airport, you should look to book at least 27 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Buffalo to London Heathrow Airport?

Currently, August is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of £344). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of £553). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Buffalo to London Heathrow?

    If you book a flight to London Heathrow from Buffalo, you will be flying from Buffalo, which is the city’s only airport. Buffalo (BUF) is located 8.3 mi from the center of Buffalo. There are 0 flights from Buffalo to London Heathrow per day from 0 different airlines.

  • How long is the flight from Buffalo to London Heathrow Airport?

    Airlines like United Airlines, JetBlue, and Delta fly from Buffalo to London Heathrow Airport in about 11h 20m. The time it takes to get you to your destination can typically vary by up to 12h 10m. Airlines will cover a distance of 3540 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Buffalo to Heathrow that include hotel bookings?

    Yes. In addition to deals on Buffalo to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Heathrow.

  • Can I find deals for business class flights from Buffalo to Heathrow?

    Yes. Cheapflights offers flight deals from Buffalo to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to London Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of £344). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of £553). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Swindon

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How does Cheapflights help users find flights from Buffalo to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Buffalo to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Buffalo by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Buffalo to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Buffalo to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Buffalo to Heathrow become cheaper?

Of course! You can now track prices for flights from Buffalo to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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