What airlines fly to London?

American Airlines, British Airways and United Airlines are the top three most popular airlines that fly to London from Buffalo according to our data. American Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to London. Keep in mind that there are 7 different airlines that fly to London 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?

British Airways, Iberia, and Delta are the most popular carriers operating from Buffalo to London

Which airport is the most popular layover for flights between Buffalo and London?

Philadelphia (PHL) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Buffalo to London?

Philadelphia (PHL) has the shortest average layover time for this route: 1h 18m.

Which layover airport offers the lowest fares from Buffalo to London?

Flights via Charlotte (CLT) offer the lowest average round-trip price of $555.

Which layover airport has the shortest travel time from Buffalo to London?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 9h 32m.

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

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

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

As of May 2026, there are 7 operators available to choose from for flights from Buffalo Airport to London.

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

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.

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

The required travel and health documents for your London 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$324 Cheap Flights from Buffalo to London in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $947 to $807. The lowest price recently found on this route was $765.

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Find the cheapest flights from Buffalo to London

Round-trip

One-way

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Cheap round-trip flights

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7:55 pm - 6:55 am

BUF

LHR

30h 00m

1 stop

6:50 am - 11:26 pm

LHR

BUF

21h 36m

2 stops

$765United Airlines

Sun, Oct 11 - Wed, Oct 14

5:50 pm - 10:00 am

BUF

LHR

35h 10m

2 stops

6:50 am - 11:26 pm

LHR

BUF

21h 36m

2 stops

$769United Airlines

Sun, Oct 11 - Wed, Oct 14

10:30 am - 4:25 pm

BUF

LHR

24h 55m

2 stops

6:00 am - 9:08 pm

LHR

BUF

20h 08m

2 stops

$852SWISS

Wed, Aug 26 - Wed, Sep 9

10:30 am - 4:25 pm

BUF

LHR

24h 55m

2 stops

6:00 am - 9:08 pm

LHR

BUF

20h 08m

2 stops

$853SWISS

Wed, Aug 26 - Fri, Sep 11

7:52 pm - 1:05 pm

BUF

LHR

12h 13m

1 stop

11:45 am - 11:56 pm

LHR

BUF

17h 11m

2 stops

$857KLM

Wed, Aug 26 - Fri, Sep 11

7:19 pm - 1:15 pm

BUF

LHR

12h 56m

1 stop

11:45 am - 11:56 pm

LHR

BUF

17h 11m

2 stops

$863KLM

Wed, Aug 26 - Fri, Sep 11

7:00 am - 6:45 am

BUF

LHR

18h 45m

1 stop

9:55 am - 11:03 pm

LHR

BUF

18h 08m

2 stops

$869Delta

Wed, Aug 26 - Fri, Sep 11

7:00 am - 6:45 am

BUF

LHR

18h 45m

1 stop

9:55 am - 11:03 pm

LHR

BUF

18h 08m

2 stops

$870Delta

Wed, Aug 26 - Wed, Sep 9

1:26 pm - 9:35 am

BUF

LGW

15h 09m

1 stop

12:20 pm - 7:24 pm

LGW

BUF

12h 04m

1 stop

$894JetBlue

Tue, Aug 18 - Thu, Aug 27

10:25 am - 9:35 am

BUF

LGW

18h 10m

1 stop

12:20 pm - 11:32 pm

LGW

BUF

16h 12m

1 stop

$904JetBlue

Thu, Aug 13 - Wed, Aug 26

British Airways flights from Buffalo to London

Our best British Airways deals on Buffalo to London flight tickets

British Airways

Aug 25

BUF6:10 pmBuffalo

13h 05m

1 stop

LHR12:15 pmLondon Heathrow

Sep 10

LHR9:15 amLondon Heathrow

19h 41m

2 stops

BUF11:56 pmBuffalo

$886

British Airways

Aug 25

BUF6:10 pmBuffalo

19h 05m

2 stops

LHR6:15 pmLondon Heathrow

Sep 10

LHR9:15 amLondon Heathrow

19h 41m

2 stops

BUF11:56 pmBuffalo

$891

British Airways

Aug 5

BUF6:10 pmBuffalo

12h 05m

1 stop

LHR11:15 amLondon Heathrow

Aug 20

LHR9:45 amLondon Heathrow

12h 16m

1 stop

BUF5:01 pmBuffalo

$893

Air Canada flights from Buffalo to London

Our best Air Canada deals on Buffalo to London flight tickets

Air Canada

Aug 23

BUF6:55 amBuffalo

22h 05m

2 stops

LHR10:00 amLondon Heathrow

Sep 9

LHR5:40 pmLondon Heathrow

32h 28m

2 stops

BUF9:08 pmBuffalo

$908

Air Canada

Aug 27

BUF10:30 amBuffalo

15h 05m

2 stops

LHR6:35 amLondon Heathrow

Sep 4

LHR2:05 pmLondon Heathrow

31h 51m

2 stops

BUF4:56 pmBuffalo

$927

Air Canada

Aug 19

BUF10:30 amBuffalo

15h 05m

2 stops

LHR6:35 amLondon Heathrow

Aug 26

LHR9:30 amLondon Heathrow

16h 37m

2 stops

BUF9:07 pmBuffalo

$932

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 10/11

7:55 pm-6:55 am

1 stop30h 00m

London Heathrow

Wed 10/14

6:50 am-11:26 pm

2 stops21h 36m

$765

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 10/11

5:50 pm-10:00 am

2 stops35h 10m

London Heathrow

Wed 10/14

6:50 am-11:26 pm

2 stops21h 36m

$769

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/26

10:30 am-4:25 pm

2 stops24h 55m

London Heathrow

Wed 9/9

6:00 am-9:08 pm

2 stops20h 08m

$852

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/26

10:30 am-4:25 pm

2 stops24h 55m

London Heathrow

Fri 9/11

6:00 am-9:08 pm

2 stops20h 08m

$853

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/26

7:52 pm-1:05 pm

1 stop12h 13m

London Heathrow

Fri 9/11

11:45 am-11:56 pm

2 stops17h 11m

$857

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/26

7:19 pm-1:15 pm

1 stop12h 56m

London Heathrow

Fri 9/11

11:45 am-11:56 pm

2 stops17h 11m

$863

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/26

7:00 am-6:45 am

1 stop18h 45m

London Heathrow

Fri 9/11

9:55 am-11:03 pm

2 stops18h 08m

$869

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/26

7:00 am-6:45 am

1 stop18h 45m

London Heathrow

Wed 9/9

9:55 am-11:03 pm

2 stops18h 08m

$870

Quickest round-trip

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Tue 8/18

1:26 pm-9:35 am

1 stop15h 09m

London Gatwick

Thu 8/27

12:20 pm-7:24 pm

1 stop12h 04m

$894

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Thu 8/13

10:25 am-9:35 am

1 stop18h 10m

London Gatwick

Wed 8/26

12:20 pm-11:32 pm

1 stop16h 12m

$904

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

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

Layovers

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

What is the cheapest month to fly to London?

The cheapest month to fly to London from Buffalo is in April. Flight prices, which tend to average around $88, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Buffalo averaging around $348.

How far in advance should I book a flight from Buffalo to London?

You are more likely to see cheaper flights to London from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $787 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Buffalo for as low as $555 on momondo.

How have Buffalo to London flight prices changed over time?

When to book flights from Buffalo to London

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

Estimated round-trip price

Cheap Buffalo to London (BUF to LON) flight deals and tips

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

Fastest flight time	10h 25m
Direct flights	None

The fastest flight from Buffalo to London takes 10h 25m

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

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Frequently asked questions about flying from Buffalo to London

How far is Buffalo to London by plane?
London is 3560.7 mi away from Buffalo. A reasonable flight in good conditions will take 10h 25m.
When did momondo last update prices for flights from Buffalo Airport to London?
Prices for flights from Buffalo Airport to London were last updated today.
How many operators does momondo search for flights from Buffalo Airport to London?
As of May 2026, there are 7 operators available to choose from for flights from Buffalo Airport to London.
How old do you have to be to fly from Buffalo Airport to London?
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.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London 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. 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buffalo to London is JetBlue (27% of total bookings). The next most popular airlines are American Airlines (23%), Delta (17%), and United Airlines (13%).

Best airlines flying from Buffalo to London

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

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $380	Free Cancellation	Rating 7.8 1,517 reviews	Search KLM flights
United Airlines	PriceFrom $451	Free Cancellation	Rating 7.4 9,711 reviews	Search United Airlines flights
American Airlines	PriceFrom $522	Free Cancellation	Rating 7.1 11,664 reviews	Search American Airlines flights
British Airways	PriceFrom $534	Free Cancellation	Rating 6.7 7,979 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $540	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
JetBlue	PriceFrom $618	Free Cancellation	Rating 7.1 2,975 reviews	Search JetBlue flights
Delta	PriceFrom $710	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Crawley

Wembley

Slough

Croydon

Stansted

Watford

Harrow

Brentwood

Dartford

Cobham

Folkestone

Romford

Uxbridge

Guildford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Buffalo to London for you.

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

Yes. momondo enables you to select and highlight flights to London from Buffalo with this policy.

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?

Of course. momondo tracks the price of Buffalo to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London trip

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Fly into one of these airports located in London

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London Heathrow Airport

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London Stansted Airport

Cheap flights from Buffalo to London from $324

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 8/14. 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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British Airways flights from Buffalo to London

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How to get the cheapest flight ticket from Buffalo to London

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

What is the cheapest month to fly to London?

How far in advance should I book a flight from Buffalo to London?

How have Buffalo to London flight prices changed over time?

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

What airlines fly to London?

Which airport is the most popular layover for flights between Buffalo and London?

Which layover airport offers the lowest fares from Buffalo to London?

Which layover airport has the shortest travel time from Buffalo to London?

Which layover airport has the shortest connection time from Buffalo to London?

When to book flights from Buffalo to London

Cheap Buffalo to London (BUF to LON) flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Buffalo to London

Best airlines flying from Buffalo to London

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

Traveling to a place near London?

Why use momondo?

An easier way to manage your London 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 the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

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

Popular cities in the United Kingdom

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

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