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Heathrow

$292+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Buffalo to London Heathrow are usually found in October or August, 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 August 18, 2025.

Round-trip from

$627
(Ovago)

One-way from

$292
(Netflights)

Popular in

June

Cheapest in

October

Average price

$621
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 ($137 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 August 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 August 18, 2025.

This Ovago deal was found by Cheapflights users on 8/18. 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.
Tue 8/2611:34 amBUF - LHR
1 stop18h 31mBritish Airways
Fri 9/512:30 pmLHR - BUF
1 stop11h 08mBritish Airways
Deal found 8/18$527
This Expedia deal was found by Cheapflights users on 8/18. 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 8/264:37 pmBUF - LHR
1 stop13h 28mBritish Airways
Sun 8/313:30 pmLHR - BUF
1 stop30h 40mBritish Airways
Deal found 8/18$588
This Flighttix deal was found by Cheapflights users on 8/16. 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.
Tue 9/303:55 pmBUF - LHR
1 stop12h 35mJetBlue
Tue 10/711:55 amLHR - BUF
1 stop12h 25mJetBlue
Deal found 8/16$628
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Tue 10/74:08 pmBUF - LHR
1 stop10h 07mUnited Airlines
Wed 10/152:05 pmLHR - BUF
2 stops36h 08mUnited Airlines
Deal found 8/15$629
This Booking.com deal was found by Cheapflights users on 8/15. 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 10/145:55 pmBUF - LHR
2 stops34h 40mMultiple Airlines
Wed 10/229:30 amLHR - BUF
2 stops18h 12mMultiple Airlines
Deal found 8/15$631
This Netflights deal was found by Cheapflights users on 8/17. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:00 amBUF - LHR
1 stop22h 30mJetBlue
Sun 9/218:15 amLHR - BUF
1 stop18h 52mJetBlue
Deal found 8/17$632
This Justfly.com deal was found by Cheapflights users on 8/18. 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.
Sun 9/217:00 amBUF - LHR
1 stop18h 30mJetBlue
Tue 9/308:15 amLHR - BUF
1 stop18h 52mJetBlue
Deal found 8/18$635
This Justfly.com deal was found by Cheapflights users on 8/16. 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.
Sun 9/2810:00 amBUF - LHR
1 stop15h 30mJetBlue
Thu 10/98:15 amLHR - BUF
1 stop18h 45mJetBlue
Deal found 8/16$636
This CheapOair deal was found by Cheapflights users on 8/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/103:55 pmBUF - LHR
1 stop12h 35mJetBlue
Wed 9/248:25 amLHR - BUF
1 stop29h 28mJetBlue
Deal found 8/16$642
This lastminute.com deal was found by Cheapflights users on 8/18. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:00 amBUF - LHR
1 stop9h 45mJetBlue
Thu 10/98:15 amLHR - BUF
1 stop11h 45mJetBlue
Deal found 8/18$653
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Tue 10/147:07 amBUF - LHR
2 stops21h 53mAir Canada
Tue 10/219:30 amLHR - BUF
2 stops16h 43mAir Canada
Deal found 8/17$659
This Flighttix deal was found by Cheapflights users on 8/17. 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.
Sat 9/67:59 pmBUF - LHR
1 stop19h 46mJetBlue
Sat 9/1311:55 amLHR - BUF
1 stop12h 09mJetBlue
Deal found 8/17$660

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 August 18, 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

Thu 1/1

1:33 pm-6:35 am

1 stop12h 02m

London Heathrow

Sat 1/17

12:35 pm-8:09 pm

1 stop12h 34m

$627

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 9/30

3:55 pm-9:30 am

1 stop12h 35m

London Heathrow

Tue 10/7

11:55 am-7:20 pm

1 stop12h 25m

$628

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 10/7

4:08 pm-7:15 am

1 stop10h 07m

London Heathrow

Wed 10/15

2:05 pm-9:13 pm

2 stops36h 08m

$629

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 10/7

7:07 am-8:35 am

2 stops44h 28m

London Heathrow

Wed 10/15

2:05 pm-9:13 pm

2 stops36h 08m

$629

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 10/14

4:08 pm-9:20 am

1 stop12h 12m

London Heathrow

Wed 10/22

2:05 pm-4:53 pm

2 stops31h 48m

$629

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 10/14

7:23 pm-11:25 am

1 stop11h 02m

London Heathrow

Tue 10/21

2:05 pm-4:53 pm

2 stops31h 48m

$629

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 10/14

5:55 pm-9:35 am

2 stops34h 40m

London Heathrow

Wed 10/22

9:30 am-10:42 pm

2 stops18h 12m

$631

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 9/14

6:00 am-9:30 am

1 stop22h 30m

London Heathrow

Sun 9/21

8:15 am-10:07 pm

1 stop18h 52m

$632

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 9/28

7:00 am-6:30 am

1 stop18h 30m

London Heathrow

Thu 10/9

8:15 am-5:02 pm

1 stop13h 47m

$635

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 9/21

7:00 am-6:30 am

1 stop18h 30m

London Heathrow

Tue 9/30

8:15 am-10:07 pm

1 stop18h 52m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 22 results
1
2
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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 August 8, 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 $1,097). 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 August 18, 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 August 18, 2025.
See what other customers who have flown with Delta, Virgin Atlantic, and American 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.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
657 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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.
JetBlue
7.2
Good
2,915 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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.
British Airways
6.7
Okay
7,277 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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.

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

    Departing from Buffalo to London Heathrow Airport will take you 10h 07m. 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 $454. Other airlines that can offer you cheap pricing are British Airways, from $534, and Delta, from $596. Users have found that JetBlue is 38% 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, 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 $1,097). 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
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dartford
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
Swindon

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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$454Average$682FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$534Average$728FlexibilityNo cancel feeOn-time70%
DeltaCheapest$596Average$779FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$604Average$802FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$626Average$695FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$659Average$805FlexibilityNo cancel feeOn-time69%

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