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Cheap flights from Buffalo to London Heathrow Airport from £293

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 30/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
5 May — 12 May1
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 30 April 2025.

Round-trip from

£447

One-way from

£293

Popular in

June

Cheapest in

October

Average price

£585
JetBlue
  • JetBlue
  • 29/9-21/10
  • 2 total stops
  • 21h 30m total
  • Buffalo to London
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JetBlue
  • JetBlue
  • 30/7
  • 1 total stop
  • 16h 01m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£126 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 30 April 2025.

Mon 29/906:00BUF - LHR
1 stop9h 45mJetBlue
Tue 21/1008:15LHR - BUF
1 stop11h 45mJetBlue
Deal found 29/4£447
Wed 1/1019:15BUF - LHR
1 stop10h 00mDelta
Wed 22/1011:20LHR - BUF
2 stops16h 43mDelta
Deal found 29/4£457
Wed 17/911:40BUF - LHR
1 stop14h 00mAmerican Airlines
Wed 24/914:25LHR - BUF
1 stop14h 29mAmerican Airlines
Deal found 29/4£473
Sun 28/907:00BUF - LHR
2 stops21h 35mAir Canada
Wed 22/1014:05LHR - BUF
2 stops31h 47mAir Canada
Deal found 29/4£570
Thu 25/907:00BUF - LHR
2 stops28h 00mScandinavian Airlines
Wed 1/1010:20LHR - BUF
2 stops18h 30mScandinavian Airlines
Deal found 29/4£577
Sun 17/811:24BUF - LHR
1 stop16h 46mBritish Airways
Sat 23/820:25LHR - BUF
2 stops27h 09mBritish Airways
Deal found 29/4£579
Thu 25/910:30BUF - LHR
1 stop15h 25mUnited Airlines
Wed 1/1014:05LHR - BUF
2 stops31h 47mUnited Airlines
Deal found 29/4£608
Tue 19/818:04BUF - LHR
2 stops12h 06mAer Lingus
Sun 31/813:25LHR - BUF
2 stops15h 34mAer Lingus
Deal found 29/4£635
Mon 29/914:00BUF - LHR
2 stops40h 55mIcelandair
Mon 20/1021:25LHR - BUF
2 stops48h 38mIcelandair
Deal found 29/4£677
Sat 19/711:30BUF - LHR
1 stop16h 20mVirgin Atlantic
Sun 27/712:25LHR - BUF
2 stops16h 19mVirgin Atlantic
Deal found 29/4£726
Sat 3/506:30BUF - LHR
2 stops33h 20mTurkish Airlines
Mon 5/506:30LHR - BUF
2 stops20h 26mTurkish Airlines
Deal found 29/4£727
Sun 4/506:45BUF - LHR
2 stops22h 15mMultiple Airlines
Sat 17/506:00LHR - BUF
2 stops22h 57mMultiple Airlines
Deal found 29/4£744

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 30 April 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 29/9

06:00-20:45

1 stop9h 45m

London Heathrow

Tue 21/10

08:15-15:00

1 stop11h 45m

£447

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 1/10

19:15-10:15

1 stop10h 00m

London Heathrow

Wed 22/10

11:20-23:03

2 stops16h 43m

£457

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 17/9

11:40-06:40

1 stop14h 00m

London Heathrow

Wed 24/9

14:25-23:54

1 stop14h 29m

£473

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 28/9

07:00-09:35

2 stops21h 35m

London Heathrow

Wed 22/10

14:05-16:52

2 stops31h 47m

£570

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 25/9

07:00-16:00

2 stops28h 00m

London Heathrow

Wed 1/10

10:20-23:50

2 stops18h 30m

£577

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 17/8

11:24-09:10

1 stop16h 46m

London Heathrow

Sat 23/8

20:25-18:34

2 stops27h 09m

£579

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 25/9

10:30-06:55

1 stop15h 25m

London Heathrow

Wed 1/10

14:05-16:52

2 stops31h 47m

£608

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 19/8

18:04-11:10

2 stops12h 06m

London Heathrow

Sun 31/8

13:25-23:59

2 stops15h 34m

£635

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 20/7

19:45-13:30

1 stop12h 45m

London Heathrow

Mon 28/7

16:05-00:53

1 stop13h 48m

£652

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 29/9

14:00-11:55

2 stops40h 55m

London Heathrow

Mon 20/10

21:25-17:03

2 stops48h 38m

£677

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 24 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 25 April 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 30 April 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 30 April 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
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
7,929 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
1,334 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
780 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
8,696 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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?

    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 £447, was found to be the cheapest airline from Buffalo to London Heathrow Airport.Alternate airlines flying return to your destination include Delta and American Airlines. Users have found that JetBlue is 23% 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 (£293), Delta (£295), and United Airlines (£330).

  • 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
Hounslow
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Gatwick
Luton
Slough
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Eastbourne
Northampton
Southend-on-Sea
Ilford
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Hayes
Ipswich
Watford
Wembley
Swindon
Folkestone
Maidstone
Winchester

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