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Cheap flights from Buffalo to London Heathrow Airport from £221

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
6 Jul — 13 Jul1
1 adult

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 Tuesday or Thursday and return on a Wednesday

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 1 July 2025.

Round-trip from

£432

One-way from

£221

Popular in

June

Cheapest in

October

Average price

£631
British Airways
  • British Airways
  • 12/8-18/8
  • 3 total stops
  • 39h 32m total
  • Buffalo to London
British Airways
  • British Airways
  • 26/8
  • 1 total stop
  • 14h 38m total
  • Buffalo to London
Highest demand for flights based on searches. 15% potential increase in price (£74 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 1 July 2025.

Tue 12/813:32BUF - LHR
1 stop13h 33mBritish Airways
Mon 18/821:35LHR - BUF
2 stops25h 59mBritish Airways
Deal found 30/6£432
Wed 13/814:44BUF - LHR
1 stop11h 56mAmerican Airlines
Wed 20/812:30LHR - BUF
1 stop15h 30mAmerican Airlines
Deal found 29/6£440
Wed 20/807:00BUF - LHR
1 stop18h 25mVirgin Atlantic
Wed 3/911:30LHR - BUF
2 stops16h 29mVirgin Atlantic
Deal found 30/6£442
Wed 20/815:58BUF - LHR
2 stops16h 32mDelta
Wed 27/806:15LHR - BUF
2 stops17h 21mDelta
Deal found 29/6£445
Tue 21/1015:55BUF - LHR
1 stop12h 35mJetBlue
Tue 28/1008:30LHR - BUF
1 stop16h 21mJetBlue
Deal found 29/6£466
Mon 8/907:00BUF - LHR
2 stops21h 35mScandinavian Airlines
Mon 15/907:05LHR - BUF
2 stops17h 09mScandinavian Airlines
Deal found 30/6£471
Wed 13/810:50BUF - LHR
1 stop14h 30mUnited Airlines
Wed 20/817:40LHR - BUF
2 stops26h 44mUnited Airlines
Deal found 29/6£533

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 1 July 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 12/8

13:32-08:05

1 stop13h 33m

London Heathrow

Mon 18/8

21:35-18:34

2 stops25h 59m

£432

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 13/8

14:44-07:40

1 stop11h 56m

London Heathrow

Wed 20/8

12:30-23:00

1 stop15h 30m

£440

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 20/8

07:00-06:25

1 stop18h 25m

London Heathrow

Wed 3/9

11:30-22:59

2 stops16h 29m

£442

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 20/8

15:58-13:30

2 stops16h 32m

London Heathrow

Wed 27/8

06:15-18:36

2 stops17h 21m

£445

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 21/10

15:55-09:30

1 stop12h 35m

London Heathrow

Tue 28/10

08:30-20:51

1 stop16h 21m

£466

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 8/9

07:00-09:35

2 stops21h 35m

London Heathrow

Mon 15/9

07:05-19:14

2 stops17h 09m

£471

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 13/8

10:50-06:20

1 stop14h 30m

London Heathrow

Wed 20/8

17:40-15:24

2 stops26h 44m

£533

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 26/8

16:37-12:15

1 stop14h 38m

£221

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 3/11

13:34-06:35

1 stop12h 01m

£225

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 1/8

12:43-09:30

1 stop15h 47m

£236

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 20 results
1
2

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 return 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 return flight from Buffalo to Heathrow. Price data was last updated on 27 June 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, January is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of £112). Flying from Buffalo to London Heathrow Airport in August is currently the most expensive (average of £164). 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 1 July 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to London Heathrow Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight at midday.

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 1 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andUnited Airlines from Buffalo to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

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.
8.0
Very Good

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

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.

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

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.

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

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.

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

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.

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

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?

    If you book a flight to London Heathrow from Buffalo, you will be flying from Buffalo, which is the city’s only airport. Buffalo (BUF) is located 8.3 mi from the center of Buffalo. There are 0 flights from Buffalo to London Heathrow per day from 0 different airlines.

  • What are the cheapest airlines flying from Buffalo to London Heathrow Airport round-trip?

    British Airways, at £432, was found to be the cheapest airline from Buffalo to London Heathrow Airport.Alternate airlines flying return to your destination include American Airlines and Virgin Atlantic. Users have found that British Airways 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 cheapet airlines for a one-way flight from Buffalo to London Heathrow Airport are British Airways (£221), American Airlines (£225), and JetBlue (£236).

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Buffalo to London Heathrow Airport (average of £112). Flying from Buffalo to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near Buffalo?

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