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 30% 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 November 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.

$283 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.

5:50 pm - 12:00 pmBUF Buffalo-LHR London Heathrow

13h 10m1 stop Chicago O'Hare Intl

6:50 am - 4:50 pmLHR London Heathrow-BUF Buffalo

15h 00m2 stops Brussels Bruxelles-National Newark

$763United Airlines

Sun, Feb 28 - Tue, Mar 2

12:50 pm - 9:30 amBUF Buffalo-LHR London Heathrow

15h 40m1 stop New York John F Kennedy Intl

7:25 am - 11:59 pmLHR London Heathrow-BUF Buffalo

21h 34m1 stop New York John F Kennedy Intl

$776JetBlue

Fri, Nov 27 - Tue, Dec 8

6:00 am - 8:55 pmBUF Buffalo-LHR London Heathrow

9h 55m1 stop New York John F Kennedy Intl

8:05 am - 3:54 pmLHR London Heathrow-BUF Buffalo

12h 49m1 stop New York John F Kennedy Intl

$776JetBlue

Fri, Nov 27 - Mon, Dec 7

11:22 am - 12:05 pmBUF Buffalo-LHR London Heathrow

19h 43m2 stops Chicago O'Hare Intl Madrid Barajas

11:25 am - 11:13 pmLHR London Heathrow-BUF Buffalo

16h 48m2 stops Madrid Barajas Boston Logan Intl

$866Iberia

Thu, Feb 18 - Wed, Feb 24

6:30 am - 7:55 amBUF Buffalo-LHR London Heathrow

20h 25m1 stop Chicago O'Hare Intl

12:05 pm - 11:34 pmLHR London Heathrow-BUF Buffalo

16h 29m2 stops Zurich Newark

$875United Airlines

Fri, Nov 27 - Mon, Dec 7

11:30 am - 8:35 amBUF Buffalo-LHR London Heathrow

16h 05m1 stop Chicago O'Hare Intl

11:25 am - 11:46 pmLHR London Heathrow-BUF Buffalo

17h 21m2 stops Madrid Barajas Boston Logan Intl

$876Iberia

Mon, Jan 11 - Sun, Jan 17

6:35 am - 7:05 amBUF Buffalo-LHR London Heathrow

19h 30m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

8:40 am - 6:44 pmLHR London Heathrow-BUF Buffalo

15h 04m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$911Delta

Fri, Nov 27 - Tue, Dec 8

6:35 am - 7:05 amBUF Buffalo-LHR London Heathrow

19h 30m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

8:40 am - 6:44 pmLHR London Heathrow-BUF Buffalo

15h 04m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$912Delta

Fri, Nov 27 - Tue, Dec 8

1:00 pm - 7:20 amBUF Buffalo-LHR London Heathrow

13h 20m2 stops Detroit Metropolitan Wayne County Washington, D.C. Dulles Intl

11:30 am - 11:05 pmLHR London Heathrow-BUF Buffalo

16h 35m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$939Virgin Atlantic

Sat, Jan 9 - Sat, Apr 24

11:20 am - 6:50 amBUF Buffalo-LHR London Heathrow

14h 30m2 stops New York John F Kennedy Intl Boston Logan Intl

8:10 pm - 10:22 amLHR London Heathrow-BUF Buffalo

18h 12m1 stop New York John F Kennedy Intl

$985Virgin Atlantic

Fri, Mar 12 - Sat, Mar 20

Cheap last minute flights

Enter your travel dates to find the best prices.

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

19h 00m1 stop Boston Logan Intl

8:05 am - 10:33 pmLHR London Heathrow-BUF Buffalo

19h 28m1 stop New York John F Kennedy Intl

$776JetBlue

Sat, Nov 14 - Fri, Nov 20

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

10h 40m1 stop New York John F Kennedy Intl

7:25 am - 7:01 pmLHR London Heathrow-BUF Buffalo

16h 36m1 stop New York John F Kennedy Intl

$797JetBlue

Tue, Nov 10 - Tue, Nov 17

1:53 pm - 5:50 pmBUF Buffalo-LHR London Heathrow

22h 57m2 stops Chicago O'Hare Intl Zurich

6:00 am - 8:36 pmLHR London Heathrow-BUF Buffalo

19h 36m2 stops Zurich Chicago O'Hare Intl

$817SWISS

Tue, Nov 10 - Tue, Nov 17

5:15 pm - 9:30 amBUF Buffalo-LHR London Heathrow

11h 15m1 stop New York John F Kennedy Intl

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

15h 00m1 stop Boston Logan Intl

$870JetBlue

Thu, Nov 12 - Sat, Nov 21

10:35 am - 6:40 amBUF Buffalo-LHR London Heathrow

15h 05m1 stop Washington, D.C. Dulles Intl

6:50 am - 10:59 pmLHR London Heathrow-BUF Buffalo

21h 09m2 stops Brussels Bruxelles-National Newark

$876United Airlines

Tue, Nov 10 - Tue, Nov 17

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

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

6:50 am - 7:05 pmLHR London Heathrow-BUF Buffalo

17h 15m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$876United Airlines

Sat, Nov 14 - Fri, Nov 20

6:00 am - 9:20 pmBUF Buffalo-LHR London Heathrow

10h 20m1 stop Newark

6:50 am - 7:04 pmLHR London Heathrow-BUF Buffalo

17h 14m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$877United Airlines

Thu, Nov 12 - Sat, Nov 21

4:16 pm - 1:30 pmBUF Buffalo-LHR London Heathrow

16h 14m2 stops Boston Logan Intl Madrid Barajas

6:00 am - 11:57 pmLHR London Heathrow-BUF Buffalo

22h 57m2 stops Madrid Barajas Chicago O'Hare Intl

$904Iberia

Thu, Nov 12 - Sat, Nov 21

7:00 am - 4:25 pmBUF Buffalo-LHR London Heathrow

28h 25m3 stops New York John F Kennedy Intl Kastrup Copenhagen Oslo Gardermoen

6:40 am - 11:57 pmLHR London Heathrow-BUF Buffalo

22h 17m2 stops Kastrup Copenhagen New York John F Kennedy Intl

$1,050Scandinavian Airlines

Tue, Nov 10 - Tue, Nov 17

7:00 am - 4:25 pmBUF Buffalo-LHR London Heathrow

28h 25m3 stops New York John F Kennedy Intl Kastrup Copenhagen Oslo Gardermoen

6:40 am - 11:57 pmLHR London Heathrow-BUF Buffalo

22h 17m3 stops Stockholm Arlanda Kastrup Copenhagen New York John F Kennedy Intl

$1,057Scandinavian Airlines

Tue, Nov 10 - Tue, Nov 17

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JetBlue flights from Buffalo to London Heathrow Airport

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

JetBlue

Nov 27

BUF6:00 amBuffalo

9h 55m

1 stop

LHR8:55 pmLondon Heathrow

Dec 7

LHR8:05 amLondon Heathrow

12h 49m

1 stop

BUF3:54 pmBuffalo

$776

JetBlue

Dec 4

BUF7:30 pmBuffalo

21h 10m

1 stop

LHR9:40 pmLondon Heathrow

Dec 11

LHR8:05 amLondon Heathrow

20h 54m

1 stop

BUF11:59 pmBuffalo

$782

JetBlue

Jan 6

BUF7:30 amBuffalo

18h 23m

1 stop

LHR6:53 amLondon Heathrow

Jan 13

LHR7:25 amLondon Heathrow

16h 08m

1 stop

BUF6:33 pmBuffalo

$784

United Airlines flights from Buffalo to London Heathrow Airport

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

United Airlines

Feb 28

BUF5:50 pmBuffalo

13h 10m

1 stop

LHR12:00 pmLondon Heathrow

Mar 2

LHR6:50 amLondon Heathrow

15h 00m

2 stops

BUF4:50 pmBuffalo

$763

United Airlines

Nov 27

BUF6:30 amBuffalo

20h 25m

1 stop

LHR7:55 amLondon Heathrow

Dec 7

LHR12:05 pmLondon Heathrow

16h 29m

2 stops

BUF11:34 pmBuffalo

$875

United Airlines

Nov 27

BUF2:55 pmBuffalo

14h 55m

1 stop

LHR10:50 amLondon Heathrow

Dec 8

LHR6:50 amLondon Heathrow

16h 20m

2 stops

BUF6:10 pmBuffalo

$876

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

Sun 2/28

5:50 pm-12:00 pm

1 stop13h 10m

London Heathrow

Tue 3/2

6:50 am-4:50 pm

2 stops15h 00m

$763

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 11/27

12:50 pm-9:30 am

1 stop15h 40m

London Heathrow

Tue 12/8

7:25 am-11:59 pm

1 stop21h 34m

$776

Quickest round-trip

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 11/27

6:00 am-8:55 pm

1 stop9h 55m

London Heathrow

Mon 12/7

8:05 am-3:54 pm

1 stop12h 49m

$776

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Thu 2/18

11:22 am-12:05 pm

2 stops19h 43m

London Heathrow

Wed 2/24

11:25 am-11:13 pm

2 stops16h 48m

$866

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 11/27

6:30 am-7:55 am

1 stop20h 25m

London Heathrow

Mon 12/7

12:05 pm-11:34 pm

2 stops16h 29m

$875

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 1/11

11:30 am-8:35 am

1 stop16h 05m

London Heathrow

Sun 1/17

11:25 am-11:46 pm

2 stops17h 21m

$876

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 11/27

6:35 am-7:05 am

2 stops19h 30m

London Heathrow

Tue 12/8

8:40 am-6:44 pm

2 stops15h 04m

$911

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 11/27

6:35 am-7:05 am

2 stops19h 30m

London Heathrow

Tue 12/8

8:40 am-6:44 pm

2 stops15h 04m

$912

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Sat 1/9

1:00 pm-7:20 am

2 stops13h 20m

London Heathrow

Sat 4/24

11:30 am-11:05 pm

2 stops16h 35m

$939

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 3/12

11:20 am-6:50 am

2 stops14h 30m

London Heathrow

Sat 3/20

8:10 pm-10:22 am

1 stop18h 12m

$985

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 $923 to $2,200.
The lowest price recently found on this route was $772.

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	$283
Fastest flight time	9h 40m
Direct flights	None

The best one-way flight to London Heathrow Airport from Buffalo in the past 72 hours is $283. The best round-trip flight deal from Buffalo to London Heathrow Airport found on momondo in the last 72 hours is $763.

The fastest flight from Buffalo to London Heathrow Airport takes 9h 40m

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 40m, 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 November 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 28% of the total bookings. Other popular airlines include JetBlue with 20%, American Airlines with 16%, and Delta with 16%.

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 1,594 reviews	Search KLM flights
United Airlines	PriceFrom $472	Free Cancellation	Rating 7.3 10,472 reviews	Search United Airlines flights
JetBlue	PriceFrom $707	Free Cancellation	Rating 7.1 3,064 reviews	Search JetBlue flights
American Airlines	PriceFrom $724	Free Cancellation	Rating 7.0 12,227 reviews	Search American Airlines flights
Virgin Atlantic	PriceFrom $756	Free Cancellation	Rating 7.5 698 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $890	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights

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Worthing

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Harrow

Canterbury

Hook

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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

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.

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Flights to London Gatwick Airportfrom $445

Flights to London Stansted Airportfrom $500

Flights to London City Airportfrom $719

Flights to London Luton Airportfrom $489

Flights to Glasgow Intl Airportfrom $623

Flights to Belfast City Airportfrom $799

Flights to Belfast Intl Airportfrom $757

Flights to London Southend Airportfrom $628

Cheap flights from Buffalo to London from $283

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 12/6. 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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JetBlue flights from Buffalo to London Heathrow Airport

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

United Airlines flights from Buffalo to London Heathrow Airport

Our best United Airlines 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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