What airlines fly to London Heathrow Airport?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to London Heathrow Airport from Buffalo according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 7 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Buffalo to London Heathrow?

JetBlue is the most popular carrier operating from Buffalo to London Heathrow

When did momondo last update prices for flights from Buffalo Airport to London Heathrow Airport?

Prices for flights from Buffalo Airport to London Heathrow Airport were last updated today.

How many operators does momondo search for flights from Buffalo Airport to London Heathrow Airport?

As of October 2026, there are 6 operators available to choose from for flights from Buffalo Airport to London Heathrow Airport.

How old do you have to be to fly from Buffalo Airport to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$286 Cheap Flights from Buffalo to London Heathrow Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to London

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:52 pm - 10:50 amBUF Buffalo-LHR London Heathrow

9h 58m1 stop Washington, D.C. Dulles Intl

9:30 am - 10:37 pmLHR London Heathrow-BUF Buffalo

18h 07m2 stops Frankfurt am Main Newark

$759United Airlines

Wed, Mar 10 - Fri, Mar 12

2:55 pm - 10:50 amBUF Buffalo-LHR London Heathrow

14h 55m1 stop Washington, D.C. Dulles Intl

6:50 am - 8:09 pmLHR London Heathrow-BUF Buffalo

18h 19m2 stops Brussels Bruxelles-National Newark

$759United Airlines

Mon, Nov 16 - Wed, Nov 18

7:52 pm - 2:45 pmBUF Buffalo-LHR London Heathrow

37h 53m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

7:40 am - 10:37 pmLHR London Heathrow-BUF Buffalo

19h 57m2 stops Munich Franz Josef Strauss Newark

$777Lufthansa

Wed, Mar 10 - Sat, Mar 13

2:44 pm - 10:45 amBUF Buffalo-LHR London Heathrow

15h 01m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

6:35 am - 10:37 pmLHR London Heathrow-BUF Buffalo

21h 02m2 stops Munich Franz Josef Strauss Newark

$777Lufthansa

Wed, Mar 10 - Fri, Mar 12

6:00 am - 9:40 pmBUF Buffalo-LHR London Heathrow

10h 40m1 stop New York John F Kennedy Intl

9:20 am - 7:02 pmLHR London Heathrow-BUF Buffalo

13h 42m1 stop Boston Logan Intl

$813JetBlue

Wed, Mar 10 - Sat, Mar 20

3:53 pm - 7:15 amBUF Buffalo-LHR London Heathrow

10h 22m1 stop New York John F Kennedy Intl

8:40 am - 6:40 pmLHR London Heathrow-BUF Buffalo

15h 00m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$815Virgin Atlantic

Thu, Nov 5 - Wed, Nov 18

6:39 am - 9:40 pmBUF Buffalo-LHR London Heathrow

10h 01m1 stop New York John F Kennedy Intl

9:20 am - 1:20 pmLHR London Heathrow-BUF Buffalo

33h 00m1 stop Boston Logan Intl

$822JetBlue

Wed, Dec 2 - Wed, Dec 9

3:53 pm - 7:15 amBUF Buffalo-LHR London Heathrow

10h 22m1 stop New York John F Kennedy Intl

11:35 am - 6:40 pmLHR London Heathrow-BUF Buffalo

12h 05m1 stop New York John F Kennedy Intl

$845Virgin Atlantic

Thu, Nov 5 - Wed, Nov 18

7:00 am - 8:05 amBUF Buffalo-LHR London Heathrow

20h 05m1 stop New York John F Kennedy Intl

8:40 am - 6:54 pmLHR London Heathrow-BUF Buffalo

15h 14m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$875Delta

Sun, Mar 7 - Thu, Mar 11

11:20 am - 8:05 amBUF Buffalo-LHR London Heathrow

15h 45m1 stop New York John F Kennedy Intl

8:40 am - 6:54 pmLHR London Heathrow-BUF Buffalo

15h 14m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$875Delta

Mon, Mar 8 - Fri, Mar 12

Cheap last minute flights

Enter your travel dates to find the best prices.

6:55 am - 6:55 amBUF Buffalo-LHR London Heathrow

20h 00m1 stop Boston Logan Intl

8:05 am - 7:01 pmLHR London Heathrow-BUF Buffalo

15h 56m1 stop New York John F Kennedy Intl

$827JetBlue

Sun, Oct 25 - Fri, Nov 6

6:00 am - 8:45 pmBUF Buffalo-LHR London Heathrow

9h 45m1 stop New York John F Kennedy Intl

12:20 pm - 7:02 pmLHR London Heathrow-BUF Buffalo

11h 42m1 stop New York John F Kennedy Intl

$827JetBlue

Sat, Oct 24 - Thu, Nov 5

6:00 am - 8:45 pmBUF Buffalo-LHR London Heathrow

9h 45m1 stop New York John F Kennedy Intl

12:20 pm - 11:33 pmLHR London Heathrow-BUF Buffalo

16h 13m1 stop New York John F Kennedy Intl

$829JetBlue

Fri, Oct 23 - Thu, Nov 5

1:53 pm - 5:55 amBUF Buffalo-LHR London Heathrow

12h 02m1 stop Chicago O'Hare Intl

6:50 am - 5:02 pmLHR London Heathrow-BUF Buffalo

15h 12m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$860United Airlines

Mon, Oct 26 - Sun, Nov 1

7:59 pm - 11:50 amBUF Buffalo-LHR London Heathrow

10h 51m1 stop Washington, D.C. Dulles Intl

9:00 am - 8:36 pmLHR London Heathrow-BUF Buffalo

16h 36m2 stops Zurich Chicago O'Hare Intl

$863United Airlines

Sat, Oct 24 - Thu, Nov 5

6:30 am - 5:55 amBUF Buffalo-LHR London Heathrow

19h 25m1 stop Chicago O'Hare Intl

9:00 am - 8:36 pmLHR London Heathrow-BUF Buffalo

16h 36m2 stops Zurich Chicago O'Hare Intl

$863United Airlines

Sun, Oct 25 - Fri, Nov 6

7:52 pm - 6:35 pmBUF Buffalo-LHR London Heathrow

18h 43m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

11:10 am - 10:59 pmLHR London Heathrow-BUF Buffalo

16h 49m2 stops Munich Franz Josef Strauss Newark

$873Lufthansa

Sun, Oct 25 - Fri, Nov 6

4:35 pm - 8:00 amBUF Buffalo-LHR London Heathrow

10h 25m1 stop Boston Logan Intl

10:10 am - 9:35 pmLHR London Heathrow-BUF Buffalo

16h 25m2 stops Madrid Barajas Boston Logan Intl

$883Iberia

Fri, Oct 23 - Thu, Nov 5

3:53 pm - 10:30 amBUF Buffalo-LHR London Heathrow

14h 37m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

6:30 am - 6:56 pmLHR London Heathrow-BUF Buffalo

17h 26m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$900Delta

Wed, Oct 28 - Sun, Nov 1

3:53 pm - 11:40 amBUF Buffalo-LHR London Heathrow

15h 47m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

8:40 am - 6:56 pmLHR London Heathrow-BUF Buffalo

15h 16m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$900Delta

Wed, Oct 28 - Sun, Nov 1

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United Airlines flights from Buffalo to London Heathrow Airport

Our best United Airlines deals on Buffalo to London Heathrow Airport flight tickets

United Airlines

Nov 16

BUF2:55 pmBuffalo

14h 55m

1 stop

LHR10:50 amLondon Heathrow

Nov 18

LHR6:50 amLondon Heathrow

18h 19m

2 stops

BUF8:09 pmBuffalo

$759

United Airlines

Nov 16

BUF10:51 amBuffalo

17h 19m

1 stop

LHR9:10 amLondon Heathrow

Nov 18

LHR6:50 amLondon Heathrow

21h 09m

2 stops

BUF10:59 pmBuffalo

$761

United Airlines

Nov 16

BUF10:51 amBuffalo

17h 19m

1 stop

LHR9:10 amLondon Heathrow

Nov 18

LHR6:50 amLondon Heathrow

21h 09m

2 stops

BUF10:59 pmBuffalo

$767

JetBlue flights from Buffalo to London Heathrow Airport

Our best JetBlue deals on Buffalo to London Heathrow Airport flight tickets

JetBlue

Mar 10

BUF6:00 amBuffalo

10h 40m

1 stop

LHR9:40 pmLondon Heathrow

Mar 20

LHR9:20 amLondon Heathrow

13h 42m

1 stop

BUF7:02 pmBuffalo

$813

JetBlue

Dec 2

BUF6:39 amBuffalo

10h 01m

1 stop

LHR9:40 pmLondon Heathrow

Dec 9

LHR9:20 amLondon Heathrow

33h 00m

1 stop

BUF1:20 pmBuffalo

$822

JetBlue

Nov 27

BUF9:20 amBuffalo

16h 35m

1 stop

LHR6:55 amLondon Heathrow

Dec 7

LHR8:05 amLondon Heathrow

15h 28m

1 stop

BUF6:33 pmBuffalo

$827

momondo Fare Finder

Use the filters below to find and compare flights from Buffalo to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 3/10

7:52 pm-10:50 am

1 stop9h 58m

London Heathrow

Fri 3/12

9:30 am-10:37 pm

2 stops18h 07m

$759

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 11/16

2:55 pm-10:50 am

1 stop14h 55m

London Heathrow

Wed 11/18

6:50 am-8:09 pm

2 stops18h 19m

$759

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 3/10

7:52 pm-2:45 pm

2 stops37h 53m

London Heathrow

Sat 3/13

7:40 am-10:37 pm

2 stops19h 57m

$777

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 3/10

2:44 pm-10:45 am

2 stops15h 01m

London Heathrow

Fri 3/12

6:35 am-10:37 pm

2 stops21h 02m

$777

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 3/10

6:00 am-9:40 pm

1 stop10h 40m

London Heathrow

Sat 3/20

9:20 am-7:02 pm

1 stop13h 42m

$813

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Thu 11/5

3:53 pm-7:15 am

1 stop10h 22m

London Heathrow

Wed 11/18

8:40 am-6:40 pm

2 stops15h 00m

$815

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 12/2

6:39 am-9:40 pm

1 stop10h 01m

London Heathrow

Wed 12/9

9:20 am-1:20 pm

1 stop33h 00m

$822

Quickest round-trip

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Thu 11/5

3:53 pm-7:15 am

1 stop10h 22m

London Heathrow

Wed 11/18

11:35 am-6:40 pm

1 stop12h 05m

$845

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Sun 3/7

7:00 am-8:05 am

1 stop20h 05m

London Heathrow

Thu 3/11

8:40 am-6:54 pm

2 stops15h 14m

$875

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 3/8

11:20 am-8:05 am

1 stop15h 45m

London Heathrow

Fri 3/12

8:40 am-6:54 pm

2 stops15h 14m

$875

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Buffalo and London Heathrow Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $838 to $1,588.
The lowest price recently found on this route was $759.

What is the cheapest month to fly to London Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Buffalo, with most prices found around $658. If you’re not able to fly to London Heathrow Airport in February, then April is your next best option. Flight prices from Buffalo to London Heathrow Airport during April average around $730.

How have Buffalo to London Heathrow Airport flight prices changed over time?

When to book flights from Buffalo to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Buffalo to London Heathrow Airport (BUF to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to London Heathrow Airport

Best Price Found	$286
Fastest flight time	9h 34m
Direct flights	None

The best one-way flight to London Heathrow Airport from Buffalo in the past 72 hours is $286. The best round-trip flight deal from Buffalo to London Heathrow Airport found on momondo in the last 72 hours is $759.

The fastest flight from Buffalo to London Heathrow Airport takes 9h 34m

There are no direct flights from Buffalo to London Heathrow Airport. There are no popular flight routes from Buffalo to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Buffalo to London Heathrow Airport

How far is Buffalo to London Heathrow by plane?
London Heathrow is 3548.4 mi away from Buffalo. Flights usually cover this in 9h 34m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Buffalo Airport to London Heathrow Airport?
Prices for flights from Buffalo Airport to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Buffalo Airport to London Heathrow Airport?
As of October 2026, there are 6 operators available to choose from for flights from Buffalo Airport to London Heathrow Airport.
How old do you have to be to fly from Buffalo Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Buffalo to London Heathrow Airport?
Based on momondo bookings for flights between Buffalo and London Heathrow Airport, the leading airline is United Airlines, making up 33% of the total bookings. Other popular airlines include JetBlue with 19%, American Airlines with 17%, and Delta with 11%.

Best airlines flying from Buffalo to London Heathrow Airport

Compare and see reviews for airlines that fly from Buffalo to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $380	Free Cancellation	Rating 7.8 1,592 reviews	Search KLM flights
United Airlines	PriceFrom $472	Free Cancellation	Rating 7.3 10,405 reviews	Search United Airlines flights
American Airlines	PriceFrom $674	Free Cancellation	Rating 7.0 12,188 reviews	Search American Airlines flights
JetBlue	PriceFrom $695	Free Cancellation	Rating 7.1 3,061 reviews	Search JetBlue flights
Virgin Atlantic	PriceFrom $756	Free Cancellation	Rating 7.5 697 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $824	Free Cancellation	Rating 7.8 8,666 reviews	Search Delta flights

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Luton

Stansted

Kingston upon Thames

Dover

Wembley

Stratford-upon-Avon

Richmond

Watford

Crawley

Worthing

Harrow

Slough

Hook

Ilford

Canterbury

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Why should I use momondo to find a flight deal from Buffalo to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buffalo to London. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Buffalo to London with flexible booking policies on momondo?

Flights from Buffalo to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buffalo to London?

momondo helps you find the best flight between Buffalo and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Buffalo to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Buffalo and alert you when they change.

An easier way to manage your London Heathrow Airport trip

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Flights to London Gatwick Airportfrom $446

Flights to London Stansted Airportfrom $444

Flights to London City Airportfrom $593

Flights to London Luton Airportfrom $390

Flights to Glasgow Intl Airportfrom $494

Flights to Belfast City Airportfrom $749

Flights to Belfast Intl Airportfrom $751

Flights to London Southend Airportfrom $605

Cheap flights from Buffalo to London from $286

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to London departing on 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Buffalo to London Heathrow Airport

Our best United Airlines deals on Buffalo to London Heathrow Airport flight tickets

JetBlue flights from Buffalo to London Heathrow Airport

Our best JetBlue deals on Buffalo to London Heathrow Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Buffalo to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Buffalo to London Heathrow Airport

What is the typical price of a round-trip flight between Buffalo and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

How have Buffalo to London Heathrow Airport flight prices changed over time?

What is the cheapest airline that flies from Buffalo to London Heathrow?

What airlines fly to London Heathrow Airport?

When to book flights from Buffalo to London Heathrow Airport

Cheap Buffalo to London Heathrow Airport (BUF to LHR) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Buffalo to London Heathrow Airport

Best airlines flying from Buffalo to London Heathrow Airport

Compare and see reviews for airlines that fly from Buffalo to London Heathrow Airport with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Buffalo flight routes

According to popular flight searches on momondo this year

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to London

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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