Find flights
When to book
Airlines
FAQs

Cheap flights from Buffalo to London Heathrow Airport from £246

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LHR
26 Mar — 2 Apr1
1 adult

Cheapflights Tip: The best prices from Buffalo to London Heathrow are usually found in February or October, 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 21 March 2025.

Round-trip from

£458

One-way from

£246

Popular in

June

Cheapest in

February

Average price

£611
JetBlue
  • JetBlue
  • 30/3-3/4
  • 2 total stops
  • 24h 52m total
  • Buffalo to London
JetBlue
  • JetBlue
  • 3/5
  • 1 total stop
  • 11h 40m total
  • Buffalo to London
Highest demand for flights based on searches. 23% potential increase in price (£144 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£27 potential savings vs. average return price).
Average for round-trip flights in March 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 21 March 2025.

Sun 30/305:45BUF - LHR
1 stop10h 00mJetBlue
Thu 3/408:15LHR - BUF
1 stop18h 38mJetBlue
Deal found 20/3£458
Wed 16/412:05BUF - LHR
1 stop20h 25mDelta
Wed 23/406:15LHR - BUF
2 stops16h 25mDelta
Deal found 20/3£459
Tue 8/416:36BUF - LHR
1 stop13h 24mKLM
Tue 15/415:15LHR - BUF
1 stop13h 42mKLM
Deal found 20/3£466
Sun 13/406:00BUF - LHR
1 stop19h 30mIcelandair
Wed 30/408:15LHR - BUF
1 stop18h 42mIcelandair
Deal found 20/3£486
Tue 8/413:00BUF - LHR
1 stop14h 55mVirgin Atlantic
Wed 7/509:55LHR - BUF
2 stops14h 24mVirgin Atlantic
Deal found 20/3£495
Sun 10/818:49BUF - LHR
1 stop10h 31mBritish Airways
Thu 28/806:10LHR - BUF
2 stops19h 57mBritish Airways
Deal found 20/3£517
Sun 27/411:40BUF - LHR
2 stops16h 55mScandinavian Airlines
Wed 14/507:05LHR - BUF
2 stops17h 14mScandinavian Airlines
Deal found 20/3£525
Tue 8/407:00BUF - LHR
2 stops18h 30mMultiple Airlines
Wed 7/506:00LHR - BUF
2 stops22h 57mMultiple Airlines
Deal found 20/3£527
Sun 13/406:00BUF - LHR
2 stops19h 30mUnited Airlines
Wed 30/409:30LHR - BUF
2 stops19h 14mUnited Airlines
Deal found 20/3£563
Thu 2/1007:00BUF - LHR
2 stops20h 35mAir Canada
Mon 6/1017:40LHR - BUF
2 stops28h 07mAir Canada
Deal found 20/3£626
Sun 31/819:15BUF - LHR
1 stop32h 35mAir France
Mon 15/919:45LHR - BUF
2 stops24h 26mAir France
Deal found 20/3£648
Thu 17/406:00BUF - LHR
2 stops23h 20mAer Lingus
Sun 27/422:00LHR - BUF
2 stops28h 57mAer Lingus
Deal found 20/3£820

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 21 March 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

Sun 30/3

05:45-20:45

1 stop10h 00m

London Heathrow

Thu 3/4

08:25-18:17

1 stop14h 52m

£458

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 16/4

12:05-13:30

1 stop20h 25m

London Heathrow

Wed 23/4

06:15-17:40

2 stops16h 25m

£459

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 8/4

16:36-11:00

1 stop13h 24m

London Heathrow

Tue 15/4

15:15-23:57

1 stop13h 42m

£466

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 13/4

06:00-06:30

1 stop19h 30m

London Heathrow

Wed 30/4

08:15-21:57

1 stop18h 42m

£486

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 3/4

16:36-10:40

1 stop13h 04m

London Heathrow

Thu 10/4

08:40-19:19

2 stops15h 39m

£499

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 16/4

11:40-13:30

2 stops20h 50m

London Heathrow

Wed 23/4

11:45-00:27

2 stops17h 42m

£509

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 10/8

18:49-10:20

1 stop10h 31m

London Heathrow

Thu 28/8

06:10-21:07

2 stops19h 57m

£517

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 27/4

11:40-09:35

2 stops16h 55m

London Heathrow

Wed 14/5

07:05-19:19

2 stops17h 14m

£525

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 8/4

07:00-06:30

2 stops18h 30m

London Heathrow

Wed 7/5

06:00-23:57

2 stops22h 57m

£527

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 16/4

10:54-08:20

1 stop16h 26m

London Heathrow

Tue 22/4

17:40-16:55

2 stops28h 15m

£533

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 25 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 14 March 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 21 March 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 21 March 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.

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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.
8.0
Very Good

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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.

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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.

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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.

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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.

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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?

    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 £458, was found to be the cheapest airline from Buffalo to London Heathrow Airport.Alternate airlines flying return to your destination include Delta and KLM. Users have found that JetBlue is 24% 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 (£246), Icelandair (£338), and Delta (£361).

  • 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
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Slough
Luton
Eastbourne
Northampton
Ilford
Swindon
Hayes
Crawley
Southend-on-Sea
Wembley
Maidstone
Winchester
Ipswich
Watford
Southall

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buffalo to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Buffalo to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Buffalo by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Buffalo to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Buffalo to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Buffalo to Heathrow become cheaper?

Of course! You can now track prices for flights from Buffalo to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.