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Heathrow

$319+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$593
(JetBlue)

One-way from

$319
(JetBlue)

Popular in

June

Cheapest in

October

Average price

$983
From Buffalo to London Heathrow
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One-way flight from Buffalo to London Heathrow
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Highest demand for flights based on searches. 16% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This JetBlue deal was found by Cheapflights users on 6/11. 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.
Mon 10/136:00 amBUF - LHR
1 stop9h 45mJetBlue
Thu 10/168:25 amLHR - BUF
1 stop17h 35mJetBlue
Deal found 6/11$593
This Delta deal was found by Cheapflights users on 6/12. 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.
Sat 9/207:15 pmBUF - LHR
1 stop32h 35mDelta
Sun 10/56:30 amLHR - BUF
2 stops22h 20mDelta
Deal found 6/12$654
This Expedia deal was found by Cheapflights users on 6/12. 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 8/126:59 pmBUF - LHR
1 stop10h 21mBritish Airways
Tue 8/198:00 amLHR - BUF
2 stops15h 34mBritish Airways
Deal found 6/12$680
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 10/3111:40 amBUF - LHR
3 stops24h 20mScandinavian Airlines
Tue 11/46:40 amLHR - BUF
2 stops22h 10mScandinavian Airlines
Deal found 6/11$712
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/153:59 pmBUF - LHR
1 stop11h 06mAmerican Airlines
Tue 7/229:15 amLHR - BUF
1 stop14h 19mAmerican Airlines
Deal found 6/12$721
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/248:00 pmBUF - LHR
1 stop9h 40mUnited Airlines
Fri 10/32:05 pmLHR - BUF
2 stops31h 48mUnited Airlines
Deal found 6/11$728
This KLM deal was found by Cheapflights users on 6/10. 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.
Wed 8/203:51 pmBUF - LHR
1 stop11h 59mKLM
Thu 8/283:15 pmLHR - BUF
1 stop13h 42mKLM
Deal found 6/10$751
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Sat 9/205:54 pmBUF - LHR
2 stops55h 36mAir Canada
Sun 10/59:30 amLHR - BUF
2 stops36h 23mAir Canada
Deal found 6/12$783
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:00 amBUF - LHR
2 stops18h 30mMultiple Airlines
Tue 12/304:30 pmLHR - BUF
2 stops36h 06mMultiple Airlines
Deal found 6/10$795
This Virgin Atlantic deal was found by Cheapflights users on 6/10. 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.
Sat 7/197:59 pmBUF - LHR
1 stop19h 01mVirgin Atlantic
Tue 7/2912:25 pmLHR - BUF
2 stops16h 19mVirgin Atlantic
Deal found 6/10$796
This Lufthansa deal was found by Cheapflights users on 6/11. 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.
Wed 10/222:50 pmBUF - LHR
2 stops13h 50mLufthansa
Sun 11/211:10 amLHR - BUF
2 stops16h 48mLufthansa
Deal found 6/11$811
This Austrian Airlines deal was found by Cheapflights users on 6/11. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1910:40 amBUF - LHR
2 stops27h 00mAustrian Airlines
Sun 10/56:00 amLHR - BUF
2 stops17h 32mAustrian Airlines
Deal found 6/11$863

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 12, 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

Mon 10/13

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Thu 10/16

8:25 am-9:00 pm

1 stop17h 35m

$593

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 9/20

7:15 pm-8:50 am

1 stop32h 35m

London Heathrow

Sun 10/5

6:30 am-11:50 pm

2 stops22h 20m

$654

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 8/12

6:59 pm-10:20 am

1 stop10h 21m

London Heathrow

Tue 8/19

8:00 am-6:34 pm

2 stops15h 34m

$680

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 10/31

11:40 am-4:00 pm

3 stops24h 20m

London Heathrow

Tue 11/4

6:40 am-11:50 pm

2 stops22h 10m

$712

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 7/15

3:59 pm-8:05 am

1 stop11h 06m

London Heathrow

Tue 7/22

9:15 am-6:34 pm

1 stop14h 19m

$721

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 9/24

8:00 pm-10:40 am

1 stop9h 40m

London Heathrow

Fri 10/3

2:05 pm-4:53 pm

2 stops31h 48m

$728

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/20

3:51 pm-8:50 am

1 stop11h 59m

London Heathrow

Thu 8/28

3:15 pm-11:57 pm

1 stop13h 42m

$751

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 9/20

5:54 pm-6:30 am

2 stops55h 36m

London Heathrow

Sun 10/5

9:30 am-4:53 pm

2 stops36h 23m

$783

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 7/19

7:59 pm-8:00 pm

1 stop19h 01m

London Heathrow

Tue 7/29

12:25 pm-11:44 pm

2 stops16h 19m

$796

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 10/22

2:50 pm-9:40 am

2 stops13h 50m

London Heathrow

Sun 11/2

11:10 am-10:58 pm

2 stops16h 48m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 25 results
1
2
3

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 June 9, 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 $1,108). 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 June 12, 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 June 12, 2025.
See what other customers who have flown with Delta, KLM and Austrian Airlines 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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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.
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
652 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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 $654, and British Airways, from $680. Users have found that JetBlue is 20% 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 ($319), United Airlines ($416), and Air Canada ($424).

  • 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 $1,108). 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
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$454Average$726FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$554Average$695FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$554Average$767FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$568Average$717FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$581Average$793FlexibilityNo cancel feeOn-time69%
DeltaCheapest$596Average$769FlexibilityNo cancel feeOn-timeN/A

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