How long is the flight from Buffalo to London?

Delta, JetBlue, and Turkish Airlines can get you from Buffalo to London in just under 9h 45m. Your travel time can differ by up to 13h 10m. The distance between Buffalo and London is about 3540 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Buffalo to London round-trip?

KLM, at $380, was found to be the cheapest airline from Buffalo to London.Alternate airlines to your destination round-trip include United Airlines and American Airlines. KLM is 56% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What are the most popular routes from Buffalo to London?

When deciding which route to take from Buffalo to London consider Buffalo - London Heathrow, Buffalo - London Stansted or Buffalo - London Gatwick as they are the most popular.

What are the most popular airlines that fly from Buffalo to London?

Consider United Airlines, JetBlue or American Airlines when booking your flight. These represent the most popular airlines when flying from Buffalo to London.

What is the cheapest time of day to fly from BUF to LON?

When flying from Buffalo to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Buffalo-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-London flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Buffalo-London flights, Cheapflights users trust FlightHub the most. FlightHub 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 Buffalo-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Buffalo to London?

Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to London. You should not have trouble finding flights to London from Buffalo; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Buffalo airport to London. It is only a 8.3 mi journey to Buffalo (BUF) from Buffalo’s city center.

Can I find deals for flights from Buffalo to London that include hotel bookings?

Yes. In addition to deals on Buffalo to London flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Buffalo to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to London.

Can I find deals for business class flights from Buffalo to London?

Yes. Cheapflights offers flight deals from Buffalo to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$306+ Cheap Flights from Buffalo to London

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Buffalo to London 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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Buffalo to London

Cheapest

Best

Last-minute

One-way

Cheapest flights from Buffalo to London
Explore the most affordable flight options available from Buffalo to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.

Thu 10/2212:53 pm -

1 stop16h 07m

Sun 10/2512:35 pm -

2 stops28h 24m

Deal found 8/22

$773

Tue 9/296:51 pm -

1 stop34h 09m

Sun 10/42:00 pm -

2 stops27h 55m

Deal found 8/25

$802

Wed 9/3010:46 am -

2 stops16h 09m

Tue 10/68:05 pm -

2 stops29h 42m

Deal found 8/26

$813

Wed 10/710:46 am -

2 stops16h 39m

Wed 10/149:25 am -

2 stops16h 22m

Deal found 8/23

$813

Tue 9/226:51 pm -

1 stop34h 09m

Mon 9/282:00 pm -

1 stop32h 49m

Deal found 8/24

$816

Wed 9/3012:09 pm -

1 stop17h 41m

Tue 10/69:15 am -

2 stops17h 20m

Deal found 8/26

$864

Tue 12/87:00 am -

1 stop19h 15m

Tue 12/1511:45 am -

2 stops17h 17m

Deal found 8/25

$868

Wed 11/411:24 am -

2 stops21h 11m

Tue 11/1010:45 am -

2 stops15h 50m

Deal found 8/26

$872

Sun 11/811:24 am -

1 stop16h 11m

Mon 11/167:40 pm -

2 stops31h 00m

Deal found 8/25

$875

Sun 9/2012:19 pm -

1 stop27h 26m

Sun 9/2711:55 am -

1 stop16h 57m

Deal found 8/23

$877

Tue 9/2210:30 am -

2 stops16h 55m

Mon 9/289:25 am -

2 stops40h 22m

Deal found 8/24

$877

Wed 9/237:50 pm -

1 stop19h 55m

Sun 9/2711:55 am -

1 stop16h 57m

Deal found 8/24

$878

Best flights from Buffalo to London
Discover carefully curated flight deals from Buffalo to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.

Wed 10/147:50 pm -

2 stops15h 10m

Wed 10/2110:25 am -

2 stops18h 34m

Deal found 8/25

$880

Sat 10/36:00 am -

1 stop9h 45m

Sat 10/1011:55 am -

1 stop12h 08m

Deal found 8/24

$898

Fri 10/96:00 am -

2 stops19h 30m

Tue 10/136:50 am -

2 stops22h 00m

Deal found 8/26

$916

Sat 10/176:00 am -

2 stops22h 55m

Mon 10/2610:55 am -

2 stops25h 13m

Deal found 8/26

$969

Tue 12/83:00 pm -

2 stops13h 15m

Mon 12/149:50 am -

2 stops15h 49m

Deal found 8/24

$1,031

Wed 11/411:24 am -

2 stops21h 41m

Tue 11/108:50 am -

2 stops17h 45m

Deal found 8/26

$1,061

Wed 11/112:32 pm -

2 stops14h 18m

Sun 11/1510:40 am -

3 stops38h 44m

Deal found 8/22

$1,122

Wed 10/282:09 pm -

2 stops14h 26m

Sun 11/11:15 pm -

2 stops15h 18m

Deal found 8/26

$1,322

Fri 10/97:00 am -

1 stop18h 20m

Tue 10/206:30 am -

2 stops16h 19m

Deal found 8/23

$898

Sun 9/272:23 pm -

1 stop11h 07m

Sun 10/1111:55 am -

1 stop16h 58m

Deal found 8/25

$899

Wed 12/26:28 am -

2 stops28h 52m

Sun 12/65:20 pm -

2 stops35h 39m

Deal found 8/25

$969

Mon 11/167:52 pm -

1 stop9h 58m

Wed 11/186:50 am -

2 stops18h 19m

Deal found 8/26

$974

Wed 10/2812:15 pm -

1 stop15h 30m

Sun 11/111:45 am -

2 stops17h 14m

Deal found 8/24

$899

Mon 11/166:00 am -

1 stop9h 45m

Wed 11/189:20 am -

1 stop16h 04m

Deal found 8/26

$899

Tue 10/66:00 am -

2 stops29h 50m

Tue 10/135:35 pm -

2 stops30h 26m

Deal found 8/22

$969

Sat 10/102:54 pm -

1 stop10h 36m

Sat 10/1711:55 am -

1 stop16h 58m

Deal found 8/26

$899

Thu 10/157:50 pm -

2 stops15h 10m

Tue 10/2010:35 am -

2 stops18h 24m

Deal found 8/24

$910

Wed 10/147:53 pm -

2 stops33h 02m

Wed 10/2110:50 am -

2 stops26h 10m

Deal found 8/25

$969

Wed 10/711:20 am -

2 stops17h 05m

Mon 10/1210:25 am -

2 stops18h 34m

Deal found 8/27

$910

Tue 10/610:10 am -

2 stops17h 30m

Tue 10/139:15 am -

2 stops19h 35m

Deal found 8/22

$1,299

Wed 12/97:24 pm -

2 stops15h 21m

Sun 12/1310:00 am -

2 stops19h 02m

Deal found 8/22

$910

Wed 11/47:59 pm -

2 stops32h 56m

Tue 11/105:20 pm -

2 stops26h 08m

Deal found 8/24

$1,024

Wed 12/212:06 pm -

2 stops15h 54m

Sun 12/611:45 am -

2 stops17h 17m

Deal found 8/25

$923

Thu 10/224:35 pm -

2 stops19h 05m

Sun 10/255:20 pm -

2 stops34h 29m

Deal found 8/22

$1,024

Fri 11/276:00 am -

1 stop20h 50m

Mon 12/76:30 am -

2 stops17h 14m

Deal found 8/24

$928

Wed 11/42:09 pm -

2 stops21h 21m

Tue 11/105:25 pm -

2 stops26h 03m

Deal found 8/25

$1,032

Wed 12/27:24 pm -

2 stops15h 21m

Sun 12/610:00 am -

2 stops19h 15m

Deal found 8/25

$930

Wed 10/712:19 pm -

2 stops23h 21m

Mon 10/1210:50 am -

2 stops26h 10m

Deal found 8/25

$1,044

Wed 10/73:53 pm -

2 stops15h 12m

Mon 10/128:05 pm -

1 stop19h 33m

Deal found 8/27

$932

Sat 9/263:33 pm -

2 stops20h 07m

Sun 10/1110:50 am -

2 stops26h 10m

Deal found 8/25

$1,094

Last-minute flights from Buffalo to London
Discover last-minute flight deals from Buffalo to London. Data last updated August 27, 2026 and is based on user searches.

Tue 9/810:30 am -

2 stops26h 20m

Fri 9/186:00 am -

2 stops20h 07m

Deal found 8/25

$868

Tue 9/86:55 am -

1 stop21h 35m

Fri 9/188:15 am -

1 stop11h 28m

Deal found 8/25

$884

Sun 9/2012:19 pm -

1 stop27h 26m

Sun 9/2711:55 am -

1 stop16h 57m

Deal found 8/23

$877

Tue 9/226:51 pm -

1 stop34h 09m

Mon 9/282:00 pm -

1 stop32h 49m

Deal found 8/24

$816

Tue 9/2210:30 am -

2 stops16h 55m

Mon 9/289:25 am -

2 stops40h 22m

Deal found 8/24

$877

Tue 9/224:55 pm -

2 stops17h 00m

Mon 9/288:15 am -

1 stop15h 43m

Deal found 8/24

$896

Wed 9/237:50 pm -

1 stop19h 55m

Sun 9/2711:55 am -

1 stop16h 57m

Deal found 8/24

$878

Fri 9/257:50 pm -

1 stop19h 55m

Wed 9/308:40 am -

1 stop15h 53m

Deal found 8/25

$879

Tue 9/296:51 pm -

1 stop34h 09m

Sun 10/42:00 pm -

2 stops27h 55m

Deal found 8/25

$802

Wed 9/3010:46 am -

2 stops16h 09m

Tue 10/68:05 pm -

2 stops29h 42m

Deal found 8/26

$813

Wed 9/3012:09 pm -

1 stop17h 41m

Tue 10/69:15 am -

2 stops17h 20m

Deal found 8/26

$864

Wed 9/303:53 pm -

1 stop10h 17m

Tue 10/611:45 am -

1 stop12h 11m

Deal found 8/23

$897

One-way flights from Buffalo to London
Search for one-way flight options from Buffalo to London. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

Tue 9/296:51 pm -

1 stop34h 09m

Deal found 8/25

$306

Mon 9/217:50 pm -

1 stop19h 55m

Deal found 8/25

$320

Tue 10/66:51 pm -

1 stop34h 09m

Deal found 8/22

$321

Wed 10/711:53 am -

2 stops13h 32m

Deal found 8/23

$325

Tue 11/2410:35 am -

2 stops17h 35m

Deal found 8/26

$326

Tue 10/66:51 pm -

3 stops45h 49m

Deal found 8/22

$327

Mon 9/213:53 pm -

2 stops16h 22m

Deal found 8/25

$329

Tue 10/67:13 am -

2 stops18h 22m

Deal found 8/22

$329

Sat 9/197:50 pm -

1 stop19h 55m

Deal found 8/21

$330

Thu 10/157:50 pm -

2 stops12h 55m

Deal found 8/24

$335

Tue 9/16:01 am -

2 stops22h 24m

Deal found 8/23

$335

Tue 11/2411:24 am -

2 stops26h 36m

Deal found 8/26

$338

Find flight deals from Buffalo to London

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$773 (Kiwi.com)
One-way from	$306 (Kiwi.com)
Popular in	June
Cheapest in	March
Average price	$890

Provider with most accurate pricing for Buffalo-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Buffalo-London (LON) flights.

Search Deals

From Buffalo to London (LON)

Search Deals

One-way flight from Buffalo to London (LON)

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($130 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLondon

BUF Buffalo - LGW London Gatwick

BUFLGW

Buffalo

Wed 10/14

7:50 pm-4:00 pm

2 stops15h 10m

London Gatwick

Wed 10/21

10:25 am-11:59 pm

2 stops18h 34m

$880

Quickest round-trip

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Sat 10/3

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Sat 10/10

11:55 am-7:03 pm

1 stop12h 08m

$898

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 10/9

7:00 am-6:20 am

1 stop18h 20m

London Heathrow

Tue 10/20

6:30 am-5:49 pm

2 stops16h 19m

$898

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Sun 9/27

2:23 pm-6:30 am

1 stop11h 07m

London Heathrow

Sun 10/11

11:55 am-11:53 pm

1 stop16h 58m

$899

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 10/28

12:15 pm-7:45 am

1 stop15h 30m

London Heathrow

Sun 11/1

11:45 am-11:59 pm

2 stops17h 14m

$899

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 11/16

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Wed 11/18

9:20 am-8:24 pm

1 stop16h 04m

$899

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Sat 10/10

2:54 pm-6:30 am

1 stop10h 36m

London Heathrow

Sat 10/17

11:55 am-11:53 pm

1 stop16h 58m

$899

BuffaloLondon

BUF Buffalo - LGW London Gatwick

BUFLGW

Buffalo

Thu 10/15

7:50 pm-4:00 pm

2 stops15h 10m

London Gatwick

Tue 10/20

10:35 am-11:59 pm

2 stops18h 24m

$910

BuffaloLondon

BUF Buffalo - LGW London Gatwick

BUFLGW

Buffalo

Wed 10/7

11:20 am-9:25 am

2 stops17h 05m

London Gatwick

Mon 10/12

10:25 am-11:59 pm

2 stops18h 34m

$910

BuffaloLondon

BUF Buffalo - LGW London Gatwick

BUFLGW

Buffalo

Wed 12/9

7:24 pm-3:45 pm

2 stops15h 21m

London Gatwick

Sun 12/13

10:00 am-12:02 am

2 stops19h 02m

$910

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/26

Showing 1-10 of 60 resultsSorted by cheapest first

...

Compare providers for flights from Buffalo to London

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to London in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 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 Buffalo-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-London flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Buffalo-London flights, Cheapflights users trust FlightHub the most. FlightHub 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 Buffalo-London 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 Buffalo to London

Have a flexible travel schedule? Discover the best time to fly to London from Buffalo with our price prediction graph.

BUF-LON

BUF-LGW

BUF-LHR

BUF-STN

BUF-LCY

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 Buffalo to London

BUF-LON

BUF-LGW

BUF-LHR

BUF-STN

BUF-LCY

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

Currently, October is the cheapest month in which you can book a flight from Buffalo to London (average of $713). Flying from Buffalo to London in June is currently the most expensive (average of $1,238). 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.

How much does it cost to fly round-trip from Buffalo to London?

Airfare is typical for this route at the moment.

Buffalo to London flights typically cost between $726 and $1,058 in October.
The cheapest round-trip price found within the last 5 days was $773 on Multiple Airlines (Oct 22-Oct 25).

What’s the top layover airport for flights from Buffalo to London?

New York (JFK) – chosen by Cheapflights users on 50% of 1-stop itineraries from Buffalo to London on Cheapflights.

What’s the cheapest layover airport for flights from Buffalo to London?

Newark (EWR) is the most affordable 1-stop option, with an average round-trip price of $617.

What’s the fastest layover option from Buffalo to London?

Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 9h 40m.

Which airport typically offers the quickest layover for flights from Buffalo to London?

Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 21m.

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

To ensure you get the cheapest price possible for a flight from Buffalo to London, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Buffalo to London, such as Delta,United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,532 reviews

Reviews

1 / 20

2.0

Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Delta

7.8

Good

8,532 reviews

Delta

7.8

Good

8,532 reviews

Reviews

1 / 20

2.0

Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

United Airlines

7.4

Good

10,126 reviews

Delta

7.8

Good

8,532 reviews

Reviews

1 / 20

2.0

Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Virgin Atlantic

7.4

Good

695 reviews

Delta

7.8

Good

8,532 reviews

Reviews

1 / 20

2.0

Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

American Airlines

7.1

Good

12,003 reviews

Delta

7.8

Good

8,532 reviews

Reviews

1 / 20

2.0

Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

JetBlue

7.1

Good

3,036 reviews

Delta

7.8

Good

8,532 reviews

Reviews

1 / 20

2.0

Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Related info for your journey

What airport do you fly from for flights from Buffalo to London?
Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to London. You should not have trouble finding flights to London from Buffalo; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Buffalo airport to London. It is only a 8.3 mi journey to Buffalo (BUF) from Buffalo’s city center.
How long is the flight from Buffalo to London?
Delta, JetBlue, and Turkish Airlines can get you from Buffalo to London in just under 9h 45m. Your travel time can differ by up to 13h 10m. The distance between Buffalo and London is about 3540 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Buffalo to London round-trip?
KLM, at $380, was found to be the cheapest airline from Buffalo to London.Alternate airlines to your destination round-trip include United Airlines and American Airlines. KLM is 56% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most popular routes from Buffalo to London?
When deciding which route to take from Buffalo to London consider Buffalo - London Heathrow, Buffalo - London Stansted or Buffalo - London Gatwick as they are the most popular.
Can I find deals for flights from Buffalo to London that include hotel bookings?
Yes. In addition to deals on Buffalo to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Buffalo to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to London.
Can I find deals for business class flights from Buffalo to London?
Yes. Cheapflights offers flight deals from Buffalo to London 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 Buffalo to London?
Currently, October is the cheapest month in which you can book a flight from Buffalo to London (average of $713). Flying from Buffalo to London in June is currently the most expensive (average of $1,238). 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

Ilford

Dorking

Winchester

Gatwick

Hounslow

Harrow

Eastleigh

Wembley

Southend-on-Sea

Basingstoke

Watford

Dartford

Croydon

Chipping Norton

Kingston upon Thames

Eastbourne

Slough

Stansted

Sutton

Luton

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

London flight routes

Other flight options

Other flights from Buffalo

Popular flights

Alternative routes for Buffalo to London

John F Kennedy Intl to Heathrow flights

Newark to Heathrow flights

LaGuardia to Heathrow flights

Newark to Gatwick flights

John F Kennedy Intl to Gatwick flights

John F Kennedy Intl to London City flights

LaGuardia to Gatwick flights

Newark to London City flights

Newark to Stansted flights

Newark to Luton flights

Newark to Edinburgh flights

John F Kennedy Intl to Edinburgh flights

LaGuardia to Edinburgh flights

John F Kennedy Intl to Manchester flights

LaGuardia to London City flights

Newark to Manchester flights

LaGuardia to Manchester flights

Buffalo to Heathrow flights

Syracuse to Heathrow flights

John F Kennedy Intl to Southampton flights

Rochester to Heathrow flights

Syracuse to Gatwick flights

Syracuse to Stansted flights

Newark to Newcastle upon Tyne flights

John F Kennedy Intl to Birmingham flights

Albany to Heathrow flights

Newark to Birmingham flights

Newark to Southampton flights

John F Kennedy Intl to Leeds flights

Newark to Liverpool flights

John F Kennedy Intl to Newcastle upon Tyne flights

John F Kennedy Intl to Liverpool flights

Syracuse to Edinburgh flights

Newark to Bristol flights

John F Kennedy Intl to Bristol flights

Top 5 airlines flying from Buffalo to London

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest$380	Average$729	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$472	Average$1,129	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$490	Average$944	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$640	Average$890	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$732	Average$932	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$306+ Cheap flights from Buffalo (BUF) to London (LON)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Buffalo to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Buffalo to London

Cheapest flights from Buffalo to LondonExplore the most affordable flight options available from Buffalo to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.

Explore the most affordable flight options available from Buffalo to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.

Best flights from Buffalo to LondonDiscover carefully curated flight deals from Buffalo to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.

Discover carefully curated flight deals from Buffalo to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.

Last-minute flights from Buffalo to LondonDiscover last-minute flight deals from Buffalo to London. Data last updated August 27, 2026 and is based on user searches.

Discover last-minute flight deals from Buffalo to London. Data last updated August 27, 2026 and is based on user searches.

One-way flights from Buffalo to LondonSearch for one-way flight options from Buffalo to London. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

Search for one-way flight options from Buffalo to London. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

Find flight deals from Buffalo to London

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Buffalo to London

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 Buffalo to London in August.

Best time to book a flight from Buffalo to London

Have a flexible travel schedule? Discover the best time to fly to London from Buffalo with our price prediction graph.

Cheapflights Insights

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

How much does it cost to fly round-trip from Buffalo to London?

Airfare is typical for this route at the moment.

Buffalo to London flights typically cost between $726 and $1,058 in October.The cheapest round-trip price found within the last 5 days was $773 on Multiple Airlines (Oct 22-Oct 25).

What’s the top layover airport for flights from Buffalo to London?

Share of 1-stop round-trip flights from Buffalo to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

New York (JFK) – chosen by Cheapflights users on 50% of 1-stop itineraries from Buffalo to London on Cheapflights.

What’s the cheapest layover airport for flights from Buffalo to London?

Average round-trip fare for 1-stop flights from Buffalo to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Newark (EWR) is the most affordable 1-stop option, with an average round-trip price of $617.

What’s the fastest layover option from Buffalo to London?

Shortest average travel time for 1-stop one-way flights from Buffalo to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 9h 40m.

Which airport typically offers the quickest layover for flights from Buffalo to London?

Average layover duration for 1-stop one-way flights from Buffalo to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 21m.

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

To ensure you get the cheapest price possible for a flight from Buffalo to London, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Buffalo to London, such as Delta,United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Buffalo to London?

How long is the flight from Buffalo to London?

What are the cheapest airlines flying from Buffalo to London round-trip?

What are the most popular routes from Buffalo to London?

Can I find deals for flights from Buffalo to London that include hotel bookings?

How can I find direct flights from Buffalo to London?

Can I find deals for business class flights from Buffalo to London?

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

Traveling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buffalo to London

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Buffalo to London by cabin class

Find flights from Buffalo to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.

Buffalo and London flights

Browse other Buffalo and London flight options. Last updated on August 27, 2026.

Other flights from Buffalo

Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 5 airlines flying from Buffalo to London

100% Free

Book with Flexibility

Cheapest flights from Buffalo to London
Explore the most affordable flight options available from Buffalo to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.

Best flights from Buffalo to London
Discover carefully curated flight deals from Buffalo to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.

Last-minute flights from Buffalo to London
Discover last-minute flight deals from Buffalo to London. Data last updated August 27, 2026 and is based on user searches.

One-way flights from Buffalo to London
Search for one-way flight options from Buffalo to London. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

Buffalo to London flights typically cost between $726 and $1,058 in October.
The cheapest round-trip price found within the last 5 days was $773 on Multiple Airlines (Oct 22-Oct 25).