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Cheap flights from Buffalo to London Heathrow Airport from £235

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£436

One-way from

£235

Popular in

June

Cheapest in

October

Average price

£723
JetBlue
  • JetBlue
  • 13/10-16/10
  • 2 total stops
  • 27h 20m total
  • Buffalo to London
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JetBlue
  • JetBlue
  • 16/8
  • 1 total stop
  • 9h 45m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
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 13 June 2025.

Mon 13/1006:00BUF - LHR
1 stop9h 45mJetBlue
Thu 16/1008:25LHR - BUF
1 stop17h 35mJetBlue
Deal found 11/6£436
Mon 29/912:09BUF - LHR
1 stop20h 21mDelta
Wed 8/1011:30LHR - BUF
2 stops17h 20mDelta
Deal found 13/6£444
Mon 29/919:15BUF - LHR
1 stop10h 00mKLM
Wed 8/1011:45LHR - BUF
1 stop12h 13mKLM
Deal found 12/6£450
Tue 12/818:59BUF - LHR
1 stop10h 21mBritish Airways
Tue 19/808:00LHR - BUF
2 stops15h 34mBritish Airways
Deal found 12/6£500
Tue 12/813:32BUF - LHR
1 stop15h 48mAmerican Airlines
Tue 19/810:05LHR - BUF
1 stop13h 29mAmerican Airlines
Deal found 12/6£509
Fri 31/1011:40BUF - LHR
3 stops24h 20mScandinavian Airlines
Tue 4/1106:40LHR - BUF
2 stops22h 10mScandinavian Airlines
Deal found 12/6£524
Wed 24/920:00BUF - LHR
1 stop9h 40mUnited Airlines
Fri 3/1014:05LHR - BUF
2 stops31h 48mUnited Airlines
Deal found 11/6£536
Sat 20/917:54BUF - LHR
2 stops55h 36mAir Canada
Sun 5/1009:30LHR - BUF
2 stops36h 23mAir Canada
Deal found 12/6£576
Wed 22/1014:50BUF - LHR
2 stops13h 50mLufthansa
Sun 2/1111:10LHR - BUF
2 stops16h 48mLufthansa
Deal found 11/6£597
Sat 19/719:59BUF - LHR
1 stop19h 01mVirgin Atlantic
Tue 29/712:25LHR - BUF
2 stops16h 19mVirgin Atlantic
Deal found 11/6£623
Fri 19/910:40BUF - LHR
2 stops27h 00mAustrian Airlines
Sun 5/1006:00LHR - BUF
2 stops17h 32mAustrian Airlines
Deal found 11/6£635
Thu 25/909:48BUF - LHR
2 stops21h 57mTAP AIR PORTUGAL
Wed 1/1011:20LHR - BUF
3 stops26h 33mTAP AIR PORTUGAL
Deal found 12/6£642

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 13 June 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 13/10

06:00-20:45

1 stop9h 45m

London Heathrow

Thu 16/10

08:25-21:00

1 stop17h 35m

£436

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 20/9

19:15-08:50

1 stop32h 35m

London Heathrow

Sun 5/10

06:30-23:50

2 stops22h 20m

£481

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 12/8

18:59-10:20

1 stop10h 21m

London Heathrow

Tue 19/8

08:00-18:34

2 stops15h 34m

£500

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 31/10

11:40-16:00

3 stops24h 20m

London Heathrow

Tue 4/11

06:40-23:50

2 stops22h 10m

£524

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 24/9

20:00-10:40

1 stop9h 40m

London Heathrow

Fri 3/10

14:05-16:53

2 stops31h 48m

£536

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 18/8

13:32-06:40

1 stop12h 08m

London Heathrow

Mon 25/8

14:25-21:52

1 stop12h 27m

£545

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 20/8

15:51-08:50

1 stop11h 59m

London Heathrow

Thu 28/8

15:15-23:57

1 stop13h 42m

£553

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 20/9

17:54-06:30

2 stops55h 36m

London Heathrow

Sun 5/10

09:30-16:53

2 stops36h 23m

£576

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 19/7

19:59-20:00

1 stop19h 01m

London Heathrow

Tue 29/7

12:25-23:44

2 stops16h 19m

£586

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 22/10

14:50-09:40

2 stops13h 50m

London Heathrow

Sun 2/11

11:10-22:58

2 stops16h 48m

£597

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 26 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 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 9 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 13 June 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.

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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 13 June 2025.
Read through reviews of airlines operating flights from Buffalo to London, such as Delta, KLM and Austrian Airlines. In addition to providing an overall rating, 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
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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?

    JetBlue, at £436, was found to be the cheapest airline from Buffalo to London Heathrow Airport.Alternate airlines flying return to your destination include Delta and British Airways. 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 cheapet airlines for a one-way flight from Buffalo to London Heathrow Airport are JetBlue (£235), Delta (£306), and Air Canada (£311).

  • 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?

Book flights to Buffalo if you plan to visit one of these locations
Deal
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Eastbourne
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Swindon

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