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$302+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$523
(Justfly.com)

One-way from

$302
(Booking.com)

Popular in

June

Cheapest in

October

Average price

$865
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. 15% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Justfly.com deal was found by Cheapflights users on 7/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:40 pmBUF - LHR
1 stop11h 50mBritish Airways
Tue 8/2612:30 pmLHR - BUF
1 stop13h 01mBritish Airways
Deal found 7/3$523
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Mon 8/111:04 pmBUF - LHR
1 stop13h 36mAmerican Airlines
Wed 8/209:15 amLHR - BUF
1 stop13h 26mAmerican Airlines
Deal found 7/2$604
This Virgin Atlantic deal was found by Cheapflights users on 7/1. 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.
Wed 8/207:41 pmBUF - LHR
1 stop12h 29mVirgin Atlantic
Wed 9/311:30 amLHR - BUF
2 stops16h 29mVirgin Atlantic
Deal found 7/1$606
This Delta deal was found by Cheapflights users on 7/1. 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.
Tue 9/2311:10 amBUF - LHR
1 stop17h 05mDelta
Tue 9/3011:45 amLHR - BUF
2 stops17h 36mDelta
Deal found 7/1$607
This JetBlue deal was found by Cheapflights users on 7/3. 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.
Wed 12/312:00 pmBUF - LHR
1 stop16h 30mJetBlue
Thu 12/118:25 amLHR - BUF
1 stop15h 14mJetBlue
Deal found 7/3$635
This Cheapflightsfares deal was found by Cheapflights users on 6/30. 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.
Mon 9/87:00 amBUF - LHR
2 stops21h 35mScandinavian Airlines
Mon 9/157:05 amLHR - BUF
2 stops17h 09mScandinavian Airlines
Deal found 6/30$646

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 July 3, 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

Tue 8/19

5:40 pm-10:30 am

1 stop11h 50m

London Heathrow

Tue 8/26

12:30 pm-8:31 pm

1 stop13h 01m

$523

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 8/11

1:04 pm-7:40 am

1 stop13h 36m

London Heathrow

Wed 8/20

9:15 am-5:41 pm

1 stop13h 26m

$604

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/20

7:41 pm-1:10 pm

1 stop12h 29m

London Heathrow

Wed 9/3

11:30 am-10:59 pm

2 stops16h 29m

$606

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 9/23

11:10 am-9:15 am

1 stop17h 05m

London Heathrow

Tue 9/30

11:45 am-12:21 am

2 stops17h 36m

$607

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 8/18

12:41 pm-9:30 am

1 stop15h 49m

London Heathrow

Fri 8/22

11:55 am-7:02 pm

1 stop12h 07m

$644

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 9/8

7:00 am-9:35 am

2 stops21h 35m

London Heathrow

Mon 9/15

7:05 am-7:14 pm

2 stops17h 09m

$646

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 7/22

12:26 pm-6:50 am

1 stop13h 24m

$302

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 8/1

1:55 pm-6:30 am

1 stop11h 35m

$324

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 9/30

7:07 am-6:30 am

2 stops18h 23m

$401

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 9/29

12:48 pm-10:15 am

2 stops16h 27m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 15 results
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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 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 27, 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 $1,098). 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 July 3, 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.

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 July 3, 2025.
See what other customers who have flown with Delta, United Airlines, and Virgin Atlantic 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.
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

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
654 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

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.
JetBlue
7.3
Good
2,916 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

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.
Scandinavian Airlines
7.3
Good
1,416 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

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 $523. Other airlines that can offer you cheap pricing are American Airlines, from $604, and Virgin Atlantic, from $606. Users have found that British Airways is 29% 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 British Airways ($302), JetBlue ($324), and Air Canada ($401).

  • 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 $1,098). 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
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Aylesbury
Chelmsford
Brentwood
Chichester
Swindon

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$454Average$714FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$554Average$695FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$555Average$787FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$555Average$728FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$581Average$803FlexibilityNo cancel feeOn-time69%
DeltaCheapest$596Average$766FlexibilityNo cancel feeOn-timeN/A

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