Heathrow

$324+ Cheap flights from Buffalo (BUF) to Heathrow (LHR)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
Jul 9 — Jul 161
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Cheap flight deals from Buffalo to Heathrow

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 June 9, 2026.

This Expedia deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:55 pm
BUF
-
LHR
1 stop12h 35m
JetBlue
Thu 8/278:15 am
LHR
-
BUF
1 stop15h 39m
JetBlue
Deal found 6/8$828
This Flighttix deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:55 pm
BUF
-
LHR
1 stop12h 35m
JetBlue
Sun 8/238:40 am
LHR
-
BUF
1 stop19h 52m
JetBlue
Deal found 6/7$831
This Orbitz deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:58 pm
BUF
-
LHR
1 stop15h 37m
Multiple Airlines
Mon 11/99:20 am
LHR
-
BUF
1 stop16h 04m
Multiple Airlines
Deal found 6/9$844
This Travelocity deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:32 pm
BUF
-
LHR
1 stop11h 23m
JetBlue
Sat 11/147:25 am
LHR
-
BUF
1 stop12h 03m
JetBlue
Deal found 6/5$845
This Travelocity deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:09 pm
BUF
-
LHR
1 stop13h 06m
Multiple Airlines
Tue 9/158:40 am
LHR
-
BUF
1 stop16h 44m
Multiple Airlines
Deal found 6/7$846
This Orbitz deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:00 am
BUF
-
LHR
2 stops21h 35m
Scandinavian Airlines
Fri 9/117:05 am
LHR
-
BUF
2 stops21h 51m
Scandinavian Airlines
Deal found 6/7$847
This Cheapflightsfares deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:40 am
BUF
-
LHR
2 stops21h 20m
SWISS
Tue 10/68:05 pm
LHR
-
BUF
2 stops29h 42m
SWISS
Deal found 6/9$849
This FlightHub deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:53 pm
BUF
-
LHR
2 stops19h 07m
Scandinavian Airlines
Fri 9/117:05 am
LHR
-
BUF
2 stops21h 51m
Scandinavian Airlines
Deal found 6/7$858
This FlightHub deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:53 pm
BUF
-
LHR
2 stops21h 37m
Scandinavian Airlines
Wed 9/97:05 am
LHR
-
BUF
2 stops21h 51m
Scandinavian Airlines
Deal found 6/4$859

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 June 9, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$828
(Expedia)

One-way from

$324
(Cheapflightsfares)

Popular in

June

Cheapest in

September

Average price

$951
Provider with most accurate pricing for Buffalo-London Heathrow flight deals.
Provider most trusted by Cheapflights users for Buffalo-London Heathrow flights.
From Buffalo to London Heathrow
One-way flight from Buffalo to London Heathrow
Highest demand for flights based on searches. 12% potential increase in price ($116 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated June 9, 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 round-trip

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 9/23

9:00 am-6:25 am

2 stops16h 25m

London Heathrow

Fri 10/2

6:30 am-5:54 pm

2 stops16h 24m

$882

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 9/22

7:59 pm-1:45 pm

2 stops12h 46m

London Heathrow

Fri 10/2

11:45 am-12:12 am

2 stops17h 27m

$882

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 10/10

7:54 pm-5:55 am

1 stop29h 01m

London Heathrow

Fri 10/16

7:25 am-8:47 pm

2 stops18h 22m

$894

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 7/31

7:36 pm-1:05 pm

1 stop12h 29m

London Heathrow

Wed 8/12

6:30 am-7:19 pm

2 stops17h 49m

$963

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/5

3:54 pm-1:15 pm

2 stops16h 21m

London Heathrow

Fri 8/14

11:30 am-11:58 pm

2 stops17h 28m

$975

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 7/24

3:54 pm-1:15 pm

2 stops16h 21m

London Heathrow

Thu 8/6

6:30 am-7:19 pm

2 stops17h 49m

$1,001
Quickest round-trip

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 7/6

3:49 pm-6:45 am

1 stop9h 56m

London Heathrow

Sat 7/18

8:40 am-7:25 pm

2 stops15h 45m

$1,062

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 7/11

3:50 pm-7:15 am

1 stop10h 25m

London Heathrow

Sat 7/18

8:40 am-7:25 pm

2 stops15h 45m

$1,062

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 6/21

3:49 pm-12:15 pm

1 stop15h 26m

London Heathrow

Sun 6/28

6:30 am-7:24 pm

2 stops17h 54m

$1,096
Cheapest one-way
Quickest one-way

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 8/20

12:16 pm-6:25 am

1 stop13h 09m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Buffalo to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Heathrow in June.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buffalo-London Heathrow Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Buffalo-London Heathrow Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Buffalo-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-London Heathrow Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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?

To ensure you get the cheapest price possible for a flight from Buffalo to London Heathrow Airport, you should look to book at least 26 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, September is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of $632). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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.

How much does it cost to fly round-trip from Buffalo to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated June 9, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Buffalo to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

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?

    For a flight from Buffalo to London Heathrow, you will be flying from Buffalo. Buffalo (BUF) is just 8.3 mi from the center of the city. Buffalo is the only Buffalo airport and it handles 0 outbound flights to London Heathrow per day. 7 airlines have flights to London Heathrow from Buffalo on a regular basis.

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

    Departing from Buffalo to London Heathrow Airport will take you 10h 20m. The distance from Buffalo to London Heathrow Airport is about 3540 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Buffalo to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Buffalo to London Heathrow Airport round-trip from $380. Other airlines that can offer you cheap pricing are United Airlines, from $451, and American Airlines, from $522. Users have found that KLM is 51% cheaper than the other options available to this destination.

  • 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 vacation 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, September is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of $632). Flying from Buffalo to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Buffalo to Heathrow

Discover the top 7 airlines that operate flights from Buffalo to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$380Average$729FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$451Average$852FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$522Average$751FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$534Average$696FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$540Average$854FlexibilityNo cancel feeOn-time72%
JetBlueCheapest$640Average$725FlexibilityNo cancel feeOn-time62%
DeltaCheapest$775Average$932FlexibilityNo cancel feeOn-timeN/A

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