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$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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
mar. 26 — abr. 21
mié. 3/26
mié. 4/2
1 adult, Economy
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Cheapflights Tip: The best prices from Buffalo to London Heathrow are usually found in February or October, 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 marzo 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$594
(JetBlue)

One-way from

$319
(JetBlue)

Popular in

June

Cheapest in

February

Average price

$793
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
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Highest demand for flights based on searches. 23% potential increase in price ($242 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 21, 2025.

This JetBlue Airways deal was found by Cheapflights users on 3/20. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/305:45 amBUF - LHR
1 stop10h 00mJetBlue
jue. 4/38:15 amLHR - BUF
1 stop18h 38mJetBlue
Deal found 3/20$594
This Delta deal was found by Cheapflights users on 3/20. 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.
mié. 4/1612:05 pmBUF - LHR
1 stop20h 25mDelta
mié. 4/236:15 amLHR - BUF
2 stops16h 25mDelta
Deal found 3/20$596
This KLM deal was found by Cheapflights users on 3/20. 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.
mar. 4/84:36 pmBUF - LHR
1 stop13h 24mKLM
mar. 4/153:15 pmLHR - BUF
1 stop13h 42mKLM
Deal found 3/20$604
This The Travel House deal was found by Cheapflights users on 3/20. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/136:00 amBUF - LHR
1 stop19h 30mIcelandair
mié. 4/308:15 amLHR - BUF
1 stop18h 42mIcelandair
Deal found 3/20$630
This Virgin Atlantic deal was found by Cheapflights users on 3/20. 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. 4/81:00 pmBUF - LHR
1 stop14h 55mVirgin Atlantic
mié. 5/79:55 amLHR - BUF
2 stops14h 24mVirgin Atlantic
Deal found 3/20$642
This oojo deal was found by Cheapflights users on 3/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/106:49 pmBUF - LHR
1 stop10h 31mBritish Airways
jue. 8/286:10 amLHR - BUF
2 stops19h 57mBritish Airways
Deal found 3/20$671
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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.
dom. 4/2711:40 amBUF - LHR
2 stops16h 55mScandinavian Airlines
mié. 5/147:05 amLHR - BUF
2 stops17h 14mScandinavian Airlines
Deal found 3/20$681
This Booking.com deal was found by Cheapflights users on 3/20. 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.
mar. 4/87:00 amBUF - LHR
2 stops18h 30mMultiple Airlines
mié. 5/76:00 amLHR - BUF
2 stops22h 57mMultiple Airlines
Deal found 3/20$684
This United Airlines deal was found by Cheapflights users on 3/20. 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.
dom. 4/136:00 amBUF - LHR
2 stops19h 30mUnited Airlines
mié. 4/309:30 amLHR - BUF
2 stops19h 14mUnited Airlines
Deal found 3/20$731
This Booking.com deal was found by Cheapflights users on 3/20. 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.
jue. 10/27:00 amBUF - LHR
2 stops20h 35mAir Canada
lun. 10/65:40 pmLHR - BUF
2 stops28h 07mAir Canada
Deal found 3/20$812
This Aeromexico deal was found by Cheapflights users on 3/20. 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 26mAir France
Deal found 3/20$841
This Booking.com deal was found by Cheapflights users on 3/20. 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.
jue. 4/176:00 amBUF - LHR
2 stops23h 20mAer Lingus
dom. 4/2710:00 pmLHR - BUF
2 stops28h 57mAer Lingus
Deal found 3/20$1,064

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 marzo 21, 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. 4/3

9:20 am-6:30 am

1 stop16h 10m

London Heathrow

jue. 4/10

11:55 am-7:08 pm

1 stop12h 13m

$594

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

mié. 4/16

12:05 pm-1:30 pm

1 stop20h 25m

London Heathrow

mié. 4/23

6:15 am-5:40 pm

2 stops16h 25m

$596

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

mar. 4/8

4:36 pm-11:00 am

1 stop13h 24m

London Heathrow

mar. 4/15

3:15 pm-11:57 pm

1 stop13h 42m

$604

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

dom. 4/13

6:00 am-6:30 am

1 stop19h 30m

London Heathrow

mié. 4/30

8:15 am-9:57 pm

1 stop18h 42m

$630

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

mar. 4/8

1:00 pm-8:55 am

1 stop14h 55m

London Heathrow

mié. 5/7

9:55 am-7:19 pm

2 stops14h 24m

$642

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

dom. 8/10

6:49 pm-10:20 am

1 stop10h 31m

London Heathrow

jue. 8/28

6:10 am-9:07 pm

2 stops19h 57m

$671

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

dom. 4/27

11:40 am-9:35 am

2 stops16h 55m

London Heathrow

mié. 5/14

7:05 am-7:19 pm

2 stops17h 14m

$681

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

mar. 4/8

7:00 am-6:30 am

2 stops18h 30m

London Heathrow

mié. 5/7

6:00 am-11:57 pm

2 stops22h 57m

$684

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

dom. 4/13

6:00 am-6:30 am

2 stops19h 30m

London Heathrow

mié. 4/30

9:30 am-11:44 pm

2 stops19h 14m

$731

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-3:11 pm

2 stops24h 26m

$841

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 14, 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 $1,122). 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 marzo 21, 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 marzo 21, 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
7,895 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

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
7,895 reviews
Delta
8.0
Very good
7,895 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

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
1,319 reviews
Delta
8.0
Very good
7,895 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

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
768 reviews
Delta
8.0
Very good
7,895 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

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
7.4
Good
1,422 reviews
Delta
8.0
Very good
7,895 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

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
8,605 reviews
Delta
8.0
Very good
7,895 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

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 $594. Other airlines that can offer you cheap pricing are Delta, from $596, and KLM, from $604. 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 ($319), Icelandair ($446), and Scandinavian Airlines ($447).

  • 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 $1,122). 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
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Gatwick
Dover
Orpington
Watford
Milton Keynes
Northampton
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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 marzo 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$454Average$776FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$554Average$735FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$554Average$756FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$555Average$696FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$581Average$803FlexibilityNo cancel feeOn-time69%
DeltaCheapest$596Average$782FlexibilityNo cancel feeOn-timeN/A
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