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$369+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
abr. 20 — abr. 271
dom. 4/20
dom. 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from Buffalo to London Heathrow are usually found in October or February, booked 11 days in advance, depart on a Sunday or Monday and return on a Monday

Cheap 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 abril 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$593
(JetBlue)

One-way from

$369
(JetBlue)

Popular in

June

Cheapest in

October

Average price

$785
Provider with most accurate pricing for Buffalo-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Buffalo-London Heathrow flights.
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From Buffalo to London Heathrow
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One-way flight from Buffalo to London Heathrow
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($235 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 abril 15, 2025.

This JetBlue deal was found by Cheapflights users on 4/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/186:00 amBUF - LHR
1 stop19h 30mJetBlue
vie. 5/28:15 amLHR - BUF
1 stop18h 42mJetBlue
Deal found 4/13$587
This Delta deal was found by Cheapflights users on 4/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/37:20 pmBUF - LHR
1 stop12h 50mDelta
mié. 8/136:15 amLHR - BUF
2 stops17h 34mDelta
Deal found 4/13$641
This KLM deal was found by Cheapflights users on 4/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/37:20 pmBUF - LHR
1 stop12h 50mKLM
jue. 8/143:15 pmLHR - BUF
1 stop13h 44mKLM
Deal found 4/13$648
This United Airlines deal was found by Cheapflights users on 4/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/31:55 pmBUF - LHR
1 stop11h 00mUnited Airlines
mié. 12/102:30 pmLHR - BUF
2 stops32h 51mUnited Airlines
Deal found 4/13$684
This Aeromexico deal was found by Cheapflights users on 4/13. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/317:15 pmBUF - LHR
1 stop32h 35mAir France
lun. 9/157:45 pmLHR - BUF
2 stops24h 31mAir France
Deal found 4/13$693
This Virgin Atlantic deal was found by Cheapflights users on 4/13. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/193:58 pmBUF - LHR
1 stop12h 17mVirgin Atlantic
dom. 8/3111:20 amLHR - BUF
2 stops16h 02mVirgin Atlantic
Deal found 4/13$702
This Air Canada deal was found by Cheapflights users on 4/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/307:00 amBUF - LHR
2 stops22h 00mAir Canada
vie. 8/159:30 amLHR - BUF
2 stops41h 58mAir Canada
Deal found 4/13$717
This Gotogate deal was found by Cheapflights users on 4/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/111:00 amBUF - LHR
2 stops14h 35mMultiple Airlines
mar. 5/67:30 pmLHR - BUF
2 stops33h 27mMultiple Airlines
Deal found 4/14$740
This Scandinavian Airlines deal was found by Cheapflights users on 4/13. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/39:55 amBUF - LHR
3 stops18h 25mScandinavian Airlines
mié. 12/106:40 amLHR - BUF
2 stops22h 10mScandinavian Airlines
Deal found 4/13$855
This Ovago deal was found by Cheapflights users on 4/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/166:00 amBUF - LHR
2 stops22h 05mAer Lingus
mié. 4/237:40 amLHR - BUF
2 stops16h 28mAer Lingus
Deal found 4/13$884
This British Airways deal was found by Cheapflights users on 4/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/304:54 pmBUF - LHR
1 stop11h 16mBritish Airways
jue. 8/146:15 amLHR - BUF
2 stops17h 11mBritish Airways
Deal found 4/13$920
This Lufthansa deal was found by Cheapflights users on 4/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/17:45 pmBUF - LHR
1 stop9h 55mLufthansa
sáb. 8/1612:15 pmLHR - BUF
1 stop11h 41mLufthansa
Deal found 4/13$1,025

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 abril 15, 2025.
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

jue. 5/1

6:01 am-8:45 pm

1 stop9h 44m

London Heathrow

mar. 5/6

8:25 am-5:40 pm

1 stop14h 15m

$593

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

dom. 8/3

7:20 pm-1:10 pm

1 stop12h 50m

London Heathrow

mié. 8/13

6:15 am-6:49 pm

2 stops17h 34m

$641

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

dom. 8/3

7:20 pm-1:10 pm

1 stop12h 50m

London Heathrow

jue. 8/14

3:15 pm-11:59 pm

1 stop13h 44m

$648

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

dom. 8/31

7:15 pm-8:50 am

1 stop32h 35m

London Heathrow

lun. 9/15

7:45 pm-3:16 pm

2 stops24h 31m

$693

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

mar. 8/19

3:58 pm-9:15 am

1 stop12h 17m

London Heathrow

dom. 8/31

11:20 am-10:22 pm

2 stops16h 02m

$702

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

mié. 7/30

7:00 am-10:00 am

2 stops22h 00m

London Heathrow

vie. 8/15

9:30 am-10:28 pm

2 stops41h 58m

$717

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

sáb. 8/2

5:54 pm-6:20 am

1 stop31h 26m

London Heathrow

jue. 8/14

7:25 am-11:44 pm

2 stops21h 19m

$731

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

jue. 5/1

11:00 am-6:35 am

2 stops14h 35m

London Heathrow

mar. 5/6

7:30 pm-11:57 pm

2 stops33h 27m

$740

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

mié. 7/30

4:54 pm-9:10 am

1 stop11h 16m

London Heathrow

jue. 8/14

6:15 am-6:26 pm

2 stops17h 11m

$920

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

jue. 6/19

7:00 am-5:40 pm

2 stops29h 40m

London Heathrow

mié. 6/25

6:40 am-12:49 am

2 stops23h 09m

$1,007

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 27 results
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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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Buffalo-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Heathrow. Price data was last updated on April 11, 2025.

To ensure you get the cheapest price possible for a flight from Buffalo to London Heathrow Airport, you should look to book at least 11 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, November is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of $661). 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.

What is the cheapest time of day to fly from BUF to LHR?

Find hourly flight availability from Buffalo to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 15, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 9% on flights from Buffalo to London Heathrow Airport by exploring options for tickets at noon.

What is the cheapest day to fly from Buffalo to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Buffalo to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Buffalo to London Heathrow Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 abril 15, 2025.
See what other customers who have flown with Delta, KLM and Air France from Buffalo to London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,433 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,656 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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. 6 airlines have flights to London Heathrow from Buffalo on a regular basis.

  • 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 $593. Other airlines that can offer you cheap pricing are Delta, from $641, and KLM, from $648. Users have found that JetBlue is 24% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Buffalo to London Heathrow Airport one-way?

    The cheapest airlines for a one-way flight from Buffalo to London Heathrow Airport are JetBlue ($369), Air Canada ($444), and United Airlines ($452).

  • 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, November is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of $661). 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 Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Wembley
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Buffalo to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Buffalo to Heathrow

Discover the top 6 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 abril 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$454Average$771FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$554Average$756FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$554Average$735FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$555Average$690FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$581Average$800FlexibilityNo cancel feeOn-time69%
DeltaCheapest$596Average$774FlexibilityNo cancel feeOn-timeN/A

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