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Cheap flights from London Heathrow Airport to Buffalo from £354

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BUF
17 Jul — 24 Jul1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Buffalo are usually found in February or September, booked 68 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Heathrow to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Buffalo (BUF). 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 12 July 2025.

Round-trip from

£354

Popular in

July

Cheapest in

February

Average price

£825
JetBlue
  • JetBlue
  • 16/9-27/9
  • 2 total stops
  • 28h 40m total
  • London to Buffalo
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£88 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Heathrow to Buffalo

Cheapest flights from Heathrow to Buffalo
Explore the most affordable flight options available from Heathrow to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 July 2025.

Tue 16/908:15LHR - BUF
1 stop16h 05mJetBlue
Sat 27/915:55BUF - LHR
1 stop12h 35mJetBlue
Deal found 10/7£354
Mon 15/921:35LHR - BUF
2 stops26h 03mBritish Airways
Sun 21/917:26BUF - LHR
1 stop32h 54mBritish Airways
Deal found 10/7£500
Tue 16/906:30LHR - BUF
2 stops17h 24mDelta
Tue 23/912:48BUF - LHR
2 stops15h 02mDelta
Deal found 10/7£512
Mon 15/909:15LHR - BUF
1 stop12h 35mAmerican Airlines
Thu 25/917:26BUF - LHR
1 stop12h 39mAmerican Airlines
Deal found 10/7£525
Sun 20/708:15LHR - BUF
1 stop32h 41mIcelandair
Sun 17/805:35BUF - LHR
2 stops19h 55mIcelandair
Deal found 11/7£550
Fri 5/906:00LHR - BUF
2 stops20h 00mTAP AIR PORTUGAL
Sat 20/915:00BUF - LHR
2 stops14h 20mTAP AIR PORTUGAL
Deal found 10/7£560

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to Buffalo 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 12 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Buffalo that are best for you.

Fly from

Heathrow

Fly to

Buffalo

Route

Depart

Return

Price

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Tue 16/9

08:15-19:20

1 stop16h 05m

Buffalo

Sat 27/9

15:55-09:30

1 stop12h 35m

£354

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Mon 15/9

21:35-18:38

2 stops26h 03m

Buffalo

Sun 21/9

17:26-07:20

1 stop32h 54m

£500

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Tue 16/9

06:30-18:54

2 stops17h 24m

Buffalo

Tue 23/9

12:48-08:50

2 stops15h 02m

£512

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Mon 15/9

09:15-16:50

1 stop12h 35m

Buffalo

Thu 25/9

17:26-11:05

1 stop12h 39m

£525

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Fri 5/9

06:00-21:00

2 stops20h 00m

Buffalo

Sat 20/9

15:00-10:20

2 stops14h 20m

£560

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Mon 18/8

06:50-18:28

2 stops16h 38m

Buffalo

Mon 1/9

20:00-06:55

1 stop29h 55m

£622

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Fri 29/8

13:25-23:59

2 stops15h 34m

£502

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Fri 15/8

21:25-08:52

2 stops40h 27m

£524

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Fri 29/8

08:15-19:02

1 stop15h 47m

£547

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Mon 13/10

11:20-09:03

2 stops26h 43m

£549

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 14 results
1
2

Best time to book a flight from Heathrow to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Heathrow 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 London Heathrow Airport to Buffalo

How far ahead should I book a flight from London Heathrow Airport to Buffalo?

Use this chart to determine the optimal time to book a return flight from Heathrow to Buffalo. Price data was last updated on 27 June 2025.

The price you pay for your flight from London Heathrow Airport to Buffalo may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to Buffalo?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Buffalo (average of £687). Flying from London Heathrow Airport to Buffalo in July is currently the most expensive (average of £985). 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 LHR to BUF?

Find hourly flight availability from Heathrow to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 July 2025.

When flying from London Heathrow Airport to Buffalo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 7% versus a flight in the morning.

How much does it cost for a return flight from London Heathrow Airport to Buffalo?

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated 12 July 2025.
Read reviews from past customers who have flown with Delta, Austrian Airlines, andUnited Airlines from London Heathrow Airport to Buffalo. 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.
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Austrian Airlines
7.6
Good
811 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
United Airlines
7.4
Good
8,849 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
JetBlue
7.3
Good
2,912 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Buffalo. 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 into for flights to Buffalo from London Heathrow?

    Buffalo (BUF), located 8.3 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Buffalo. 7 airlines have flights to Buffalo from London Heathrow on a regular basis. Booking flights from London Heathrow to Buffalo should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

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

    Cheapflights users have booked flights from London Heathrow Airport to Buffalo round-trip from £354. Other airlines that can offer you cheap pricing are British Airways, from £500, and Delta, from £512. JetBlue is currently priced 43% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London Heathrow Airport to Buffalo one-way?

    One-way options have recently been found by users for as low as £502 on Aer Lingus. Other airlines that offer cheap prices include JetBlue from £547 and TAP AIR PORTUGAL from £549 one-way.

  • Can I find deals for flights from Heathrow to Buffalo that include hotel bookings?

    Yes. In addition to deals on Heathrow to Buffalo flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Buffalo.

  • Can I find deals for business class flights from Heathrow to Buffalo?

    Yes. Cheapflights offers flight deals from Heathrow to Buffalo 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 London Heathrow Airport to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Buffalo (average of £687). Flying from London Heathrow Airport to Buffalo in July is currently the most expensive (average of £985). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
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Heathrow to Stewart flights
Southend to John F Kennedy Intl flights
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Top 7 airlines flying from Heathrow to Buffalo

Discover the top 7 airlines that operate flights from Heathrow to Buffalo. 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 858,174 searches. Data last updated 12 July 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£372Average£542FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£386Average£543FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Virgin AtlanticCheapest£498Average£633FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£506Average£633FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£508Average£586FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£516Average£584FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£586Average£851FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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 Heathrow to Buffalo?

Cheapflights makes it easy to find Heathrow to Buffalo flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Buffalo.

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

Certainly. Search results for flights to Buffalo from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Buffalo from Heathrow today and book when prices fit your budget.

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