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

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

What airlines fly to London?

JetBlue, American Airlines and Delta are the top three most popular airlines that fly to London from Buffalo according to our data. JetBlue is the first choice among our users, with 31% of people opting to fly with this airline when traveling to London. Keep in mind that there are 6 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

Atlanta (ATL) has the shortest average layover time for this route: 1h 17m.

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

New York (JFK) was the most common stop: 48% of momondo users choosing 1-stop flights on this route connected there.

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

JetBlue, Scandinavian Airlines, and United Airlines are the most popular carriers operating from Buffalo to London

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 September 2025, there are 6 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.

$255 Cheap Flights from Buffalo to London in 2025

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 $608 to $707. The lowest price recently found on this route was $521.

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Find the cheapest flights from Buffalo to London

Round-trip

One-way

Last minute

Cheap round-trip flights

7:00 am - 6:30 amBUF-LHR

18h 30m2 stops

6:00 pm - 8:31 pmLHR-BUF

30h 31m2 stops

$521Air Canada

Find Deal

Sun, Mar 1 - Thu, Mar 12

7:07 am - 8:35 amBUF-LHR

20h 28m2 stops

9:30 am - 9:13 pmLHR-BUF

16h 43m2 stops

$522Air Canada

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Wed, Oct 15 - Tue, Oct 21

7:00 am - 9:15 amBUF-LHR

21h 15m1 stop

6:20 am - 7:19 pmLHR-BUF

17h 59m2 stops

$524Delta

Find Deal

Sun, Sep 21 - Thu, Dec 11

7:00 am - 11:25 amBUF-LHR

23h 25m1 stop

11:45 am - 12:16 amLHR-BUF

17h 31m2 stops

$525Delta

Find Deal

Sun, Sep 21 - Tue, Dec 16

3:51 pm - 7:15 amBUF-LHR

10h 24m1 stop

12:25 pm - 11:56 pmLHR-BUF

16h 31m1 stop

$530Virgin Atlantic

Find Deal

Wed, Oct 1 - Wed, Oct 8

11:15 am - 6:25 amBUF-LHR

14h 10m1 stop

1:00 pm - 10:52 pmLHR-BUF

13h 52m1 stop

$553Virgin Atlantic

Find Deal

Fri, Oct 24 - Fri, Oct 31

10:00 am - 9:35 amBUF-LGW

18h 35m1 stop

12:10 pm - 9:00 pmLGW-BUF

13h 50m1 stop

$590JetBlue

Find Deal

Tue, Oct 7 - Thu, Oct 16

6:10 pm - 9:35 amBUF-LGW

10h 25m1 stop

12:10 pm - 9:23 pmLGW-BUF

14h 13m1 stop

$599JetBlue

Find Deal

Tue, Sep 23 - Tue, Sep 30

1:28 pm - 6:40 amBUF-LHR

12h 12m1 stop

12:30 pm - 6:38 pmLHR-BUF

11h 08m1 stop

$616American Airlines

Find Deal

Thu, Sep 25 - Wed, Oct 1

11:12 am - 8:10 amBUF-LGW

15h 58m2 stops

12:30 pm - 12:24 pmLGW-BUF

27h 54m2 stops

$625American Airlines

Find Deal

Thu, Oct 23 - Thu, Oct 30

KLM flights from Buffalo to London

Our best KLM deals on Buffalo to London flight tickets

KLM

Sep 21

BUF7:08 pmBuffalo

13h 22m

1 stop

LHR1:30 pmLondon Heathrow

Oct 7

LHR4:05 pmLondon Heathrow

12h 51m

1 stop

BUF11:56 pmBuffalo

$523

Find similar

KLM

Sep 21

BUF7:08 pmBuffalo

13h 22m

1 stop

LHR1:30 pmLondon Heathrow

Oct 6

LHR4:05 pmLondon Heathrow

12h 51m

1 stop

BUF11:56 pmBuffalo

$572

Find similar

KLM

Dec 5

BUF5:47 pmBuffalo

9h 58m

1 stop

LHR8:45 amLondon Heathrow

Dec 11

LHR10:10 amLondon Heathrow

14h 09m

1 stop

BUF7:19 pmBuffalo

$580

Find similar

United Airlines flights from Buffalo to London

Our best United Airlines deals on Buffalo to London flight tickets

United Airlines

Oct 15

BUF7:07 amBuffalo

18h 23m

2 stops

LHR6:30 amLondon Heathrow

Oct 20

LHR5:50 pmLondon Heathrow

28h 03m

2 stops

BUF4:53 pmBuffalo

$534

Find similar

United Airlines

Oct 24

BUF7:23 pmBuffalo

11h 02m

1 stop

LHR11:25 amLondon Heathrow

Oct 31

LHR1:25 pmLondon Heathrow

35h 35m

2 stops

BUF9:00 pmBuffalo

$559

Find similar

United Airlines

Dec 5

BUF10:10 amBuffalo

19h 40m

1 stop

LHR10:50 amLondon Heathrow

Dec 11

LHR1:45 pmLondon Heathrow

36h 30m

2 stops

BUF9:15 pmBuffalo

$563

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 3/1

7:00 am-6:30 am

2 stops18h 30m

London Heathrow

Thu 3/12

6:00 pm-8:31 pm

2 stops30h 31m

$521

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 10/15

7:07 am-8:35 am

2 stops20h 28m

London Heathrow

Tue 10/21

9:30 am-9:13 pm

2 stops16h 43m

$522

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 9/21

7:00 am-9:15 am

1 stop21h 15m

London Heathrow

Thu 12/11

6:20 am-7:19 pm

2 stops17h 59m

$524

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 9/21

7:00 am-11:25 am

1 stop23h 25m

London Heathrow

Tue 12/16

11:45 am-12:16 am

2 stops17h 31m

$525

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 10/1

3:51 pm-7:15 am

1 stop10h 24m

London Heathrow

Wed 10/8

12:25 pm-11:56 pm

1 stop16h 31m

$530

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 10/24

11:15 am-6:25 am

1 stop14h 10m

London Heathrow

Fri 10/31

1:00 pm-10:52 pm

1 stop13h 52m

$553

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Tue 10/7

10:00 am-9:35 am

1 stop18h 35m

London Gatwick

Thu 10/16

12:10 pm-9:00 pm

1 stop13h 50m

$590

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Tue 9/23

6:10 pm-9:35 am

1 stop10h 25m

London Gatwick

Tue 9/30

12:10 pm-9:23 pm

1 stop14h 13m

$599

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 9/25

1:28 pm-6:40 am

1 stop12h 12m

London Heathrow

Wed 10/1

12:30 pm-6:38 pm

1 stop11h 08m

$616

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Thu 10/23

11:12 am-8:10 am

2 stops15h 58m

London Gatwick

Thu 10/30

12:30 pm-12:24 pm

2 stops27h 54m

$625

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 January. Flight prices, which tend to average around $609, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Buffalo averaging around $646.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Buffalo to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $688. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $844. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Buffalo in the morning is the least expensive time of day to depart. momondo users have found prices as low as $721 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $855. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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 $750 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 $605 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

Direct flights	None

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

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How far is Buffalo to London by plane?
London is 3560.7 mi away from Buffalo. A reasonable flight in good conditions will take 9h 35m.
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 September 2025, there are 6 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 (38% of total bookings). The next most popular airlines are Delta (20%), Virgin Atlantic (13%), and American 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
United Airlines	PriceFrom $451	Free Cancellation	Rating 7.4 8,937 reviews	Search United Airlines flights
JetBlue	PriceFrom $454	Free Cancellation	Rating 7.2 2,913 reviews	Search JetBlue flights
American Airlines	PriceFrom $522	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
British Airways	PriceFrom $534	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
Delta	PriceFrom $596	Free Cancellation	Rating 7.9 7,960 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $636	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights

Gatwick

Hounslow

Dover

Luton

Slough

Milton Keynes

Hayes

Guildford

Dartford

Crawley

Stansted

Chelmsford

Brentwood

Ilford

Folkestone

Colchester

Watford

Richmond

Canterbury

Wembley

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.