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$538+ Cheap flights from Heathrow (LHR) to Buffalo (BUF)

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BUF
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find cheap flights from Heathrow to Buffalo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from London Heathrow to Buffalo are usually found in September or May, booked 30 days in advance, depart on a Monday or Wednesday and return on a Sunday

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 October 27, 2025.

This TravelUp deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:25 amLHR - BUF
1 stop18h 05mJetBlue
Tue 12/167:05 amBUF - LHR
1 stop9h 35mJetBlue
Deal found 10/25$577
This JetBlue deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/199:20 amLHR - BUF
1 stop14h 52mJetBlue
Sun 11/236:00 amBUF - LHR
1 stop9h 45mJetBlue
Deal found 10/26$640
This Trip.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:25 amLHR - BUF
1 stop32h 54mJetBlue
Thu 11/207:45 amBUF - LHR
1 stop18h 10mJetBlue
Deal found 10/27$642
This TravelUp deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:05 amLHR - BUF
1 stop32h 14mJetBlue
Mon 11/1010:08 amBUF - LHR
1 stop30h 32mJetBlue
Deal found 10/25$648
This TravelUp deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:20 amLHR - BUF
1 stop12h 47mJetBlue
Sat 11/296:00 amBUF - LHR
1 stop11h 00mJetBlue
Deal found 10/25$657
This The Travel House deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:20 amLHR - BUF
1 stop14h 04mIcelandair
Sun 11/2310:07 amBUF - LHR
1 stop29h 38mIcelandair
Deal found 10/25$660
This TravelUp deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:25 amLHR - BUF
1 stop13h 34mJetBlue
Wed 12/177:05 amBUF - LHR
1 stop9h 35mJetBlue
Deal found 10/26$668
This The Travel House deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:05 amLHR - BUF
2 stops34h 49mIcelandair
Mon 11/1010:08 amBUF - LHR
2 stops15h 47mIcelandair
Deal found 10/25$670
This The Travel House deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:25 amLHR - BUF
2 stops16h 47mIcelandair
Thu 11/2010:50 amBUF - LHR
1 stop15h 05mIcelandair
Deal found 10/27$707
This The Travel House deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:20 amLHR - BUF
2 stops29h 01mIcelandair
Sat 11/296:00 amBUF - LHR
1 stop11h 00mIcelandair
Deal found 10/25$710

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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$577
(TravelUp)

One-way from

$538
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$787
Provider with most accurate pricing for London Heathrow-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Buffalo flights.
Search Deals
From London Heathrow to Buffalo
Search Deals
One-way flight from London Heathrow to Buffalo
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated October 27, 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

Wed 11/19

9:20 am-7:12 pm

1 stop14h 52m

Buffalo

Sun 11/23

2:10 pm-6:55 am

1 stop11h 45m

$640

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Sat 1/17

9:20 am-6:50 pm

1 stop14h 30m

Buffalo

Sun 1/18

7:00 am-6:55 am

2 stops18h 55m

$648

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Sat 11/22

9:20 am-5:07 pm

1 stop12h 47m

Buffalo

Sat 11/29

6:00 am-10:00 pm

1 stop11h 00m

$657

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Wed 12/10

7:25 am-3:59 pm

1 stop13h 34m

Buffalo

Wed 12/17

7:05 am-9:40 pm

1 stop9h 35m

$668

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Fri 11/7

8:05 am-11:19 am

1 stop32h 14m

Buffalo

Mon 11/10

10:08 am-6:55 am

2 stops15h 47m

$670

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Sat 11/22

9:20 am-9:21 am

2 stops29h 01m

Buffalo

Sat 11/29

6:00 am-10:00 pm

1 stop11h 00m

$710

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Wed 11/12

7:25 am-7:12 pm

2 stops16h 47m

Buffalo

Thu 11/20

9:02 am-9:30 am

2 stops19h 28m

$719

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Wed 12/17

7:25 am-3:59 pm

1 stop13h 34m

Buffalo

Sun 1/11

7:45 pm-8:45 pm

1 stop20h 00m

$727

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Fri 11/14

8:05 am-6:24 pm

2 stops15h 19m

Buffalo

Sun 11/23

2:10 pm-8:45 pm

2 stops25h 35m

$736

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Sun 12/7

2:50 pm-10:45 am

3 stops24h 55m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 20 results
1
2

Compare providers for flights from Heathrow to Buffalo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Buffalo in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Buffalo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Heathrow Airport-Buffalo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Buffalo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Heathrow to Buffalo. Price data was last updated on October 24, 2025.

The best time to book flights from London Heathrow Airport to Buffalo is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Buffalo (average of $243). Flying from London Heathrow Airport to Buffalo in December is currently the most expensive (average of $664). 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.

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?

    Most people fly into Buffalo (BUF) if they book a flight to Buffalo from London Heathrow. On average, Buffalo has 0 inbound flights from London Heathrow per day from 0 airlines. Buffalo is conveniently located just 8.3 mi from Buffalo’s city center.

  • How long is the flight from London Heathrow Airport to Buffalo?

    JetBlue and Icelandair can get you from London Heathrow Airport to Buffalo in just under 14h 30m. Your travel time can differ by up to 22m. Airlines will cover a distance of 3540 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Buffalo (average of $243). Flying from London Heathrow Airport to Buffalo in December is currently the most expensive (average of $664). 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

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

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