HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$318+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 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 1, 2026.

This Norse deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:29 pm
BUF
-
LGW
1 stop31h 31m
Multiple Airlines
Tue 9/12:00 pm
LGW
-
BUF
1 stop33h 09m
Multiple Airlines
Deal found 7/28$718
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:51 pm
BUF
-
LGW
1 stop34h 09m
Multiple Airlines
Wed 10/142:00 pm
LGW
-
BUF
1 stop33h 01m
Multiple Airlines
Deal found 7/28$720
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:49 pm
BUF
-
LGW
1 stop16h 11m
Multiple Airlines
Wed 10/142:00 pm
LGW
-
BUF
1 stop33h 01m
Multiple Airlines
Deal found 7/28$727
This Norse deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:29 pm
BUF
-
LGW
1 stop31h 31m
Multiple Airlines
Wed 9/162:00 pm
LGW
-
BUF
1 stop32h 45m
Multiple Airlines
Deal found 7/30$728
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:51 pm
BUF
-
LGW
1 stop34h 09m
Multiple Airlines
Fri 10/92:00 pm
LGW
-
BUF
2 stops27h 18m
Multiple Airlines
Deal found 7/28$734
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:49 pm
BUF
-
LGW
1 stop16h 11m
Multiple Airlines
Thu 10/152:00 pm
LGW
-
BUF
2 stops27h 18m
Multiple Airlines
Deal found 7/30$735
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:49 pm
BUF
-
LGW
1 stop16h 11m
Multiple Airlines
Fri 10/92:00 pm
LGW
-
BUF
2 stops27h 18m
Multiple Airlines
Deal found 7/28$741
This Flighttix deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:27 am
BUF
-
LHR
1 stop15h 03m
JetBlue
Tue 9/18:40 am
LHR
-
BUF
1 stop20h 28m
JetBlue
Deal found 7/28$771
This Norse deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:54 pm
BUF
-
LGW
1 stop34h 06m
Multiple Airlines
Wed 9/92:00 pm
LGW
-
BUF
1 stop32h 45m
Multiple Airlines
Deal found 7/28$777
This Flighttix deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:53 pm
BUF
-
LHR
1 stop10h 17m
Multiple Airlines
Wed 9/1611:55 am
LHR
-
BUF
1 stop11h 38m
Multiple Airlines
Deal found 7/28$782
This Expedia deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:15 am
BUF
-
LHR
1 stop19h 15m
JetBlue
Tue 9/18:40 am
LHR
-
BUF
1 stop14h 27m
JetBlue
Deal found 7/28$791
This Travelocity deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:27 am
BUF
-
LGW
1 stop18h 08m
JetBlue
Wed 8/2612:20 pm
LGW
-
BUF
1 stop16h 23m
JetBlue
Deal found 7/31$793

Find flight deals from Buffalo to London

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$718
(Norse)

One-way from

$318
(Expedia)

Popular in

June

Cheapest in

March

Average price

$862
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. 16% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2026.
Use the filters below to find and compare flights from Buffalo to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 11/4

10:51 am-8:25 am

1 stop16h 34m

London Heathrow

Tue 11/10

6:50 am-8:09 pm

2 stops18h 19m

$867

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 11/4

12:15 pm-7:15 am

2 stops14h 00m

London Heathrow

Tue 11/10

6:30 am-7:19 pm

2 stops17h 49m

$871

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 1/9

7:00 am-7:10 am

2 stops43h 10m

London Heathrow

Thu 1/14

6:50 am-4:47 pm

2 stops14h 57m

$879
Quickest round-trip

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 11/2

3:53 pm-7:15 am

1 stop10h 22m

London Heathrow

Thu 12/3

9:05 am-7:19 pm

1 stop15h 14m

$883

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 9/12

2:23 pm-6:30 am

1 stop11h 07m

London Heathrow

Sat 9/19

8:40 am-7:33 pm

1 stop15h 53m

$895

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/26

10:27 am-6:30 am

1 stop15h 03m

London Heathrow

Wed 9/2

8:40 am-5:14 pm

1 stop13h 34m

$895

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 10/7

3:53 pm-1:15 pm

2 stops16h 22m

London Heathrow

Mon 10/12

11:45 am-11:59 pm

2 stops17h 14m

$898

BuffaloLondon

BUF - LCY

BUFLCY

Buffalo

Thu 8/20

10:30 am-8:40 am

2 stops17h 10m

London City

Tue 8/25

9:15 am-9:07 pm

2 stops16h 52m

$899

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 12/9

9:00 am-7:50 am

2 stops17h 50m

London Heathrow

Sun 12/13

6:30 am-7:19 pm

2 stops17h 49m

$899

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 12/2

12:00 pm-6:50 am

2 stops13h 50m

London Heathrow

Mon 12/7

8:40 am-7:19 pm

2 stops15h 39m

$900

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust 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.
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

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

Currently, February is the cheapest month in which you can book a flight from Buffalo to London (average of $662). Flying from Buffalo to London in June is currently the most expensive (average of $1,253). 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 $680 and $926 in August.
The cheapest round-trip price found within the last 5 days was $718 on Multiple Airlines (Aug 25-Sep 1).

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 81 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

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated August 1, 2026.
Read through reviews of airlines operating flights from Buffalo to London, such as Delta,Virgin Atlantic, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,497 reviews

Comfort

7.8

Overall

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
8,497 reviews
Delta
7.8
Good
8,497 reviews

Comfort

7.8

Overall

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
7.5
Good
694 reviews
Delta
7.8
Good
8,497 reviews

Comfort

7.8

Overall

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
10,062 reviews
Delta
7.8
Good
8,497 reviews

Comfort

7.8

Overall

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
11,845 reviews
Delta
7.8
Good
8,497 reviews

Comfort

7.8

Overall

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
3,030 reviews
Delta
7.8
Good
8,497 reviews

Comfort

7.8

Overall

7.8

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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

Find useful and relevant information for your journey from Buffalo to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 7 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?

    United Airlines, Delta, and JetBlue can get you from Buffalo to London in just under 11h 07m. Your travel time can differ by up to 5h 27m. 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 British Airways. KLM is 54% 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 Gatwick or Buffalo - London Stansted 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, February is the cheapest month in which you can book a flight from Buffalo to London (average of $662). Flying from Buffalo to London in June is currently the most expensive (average of $1,253). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

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.

Top 7 airlines flying from Buffalo to London

Discover the top 7 airlines that operate flights from Buffalo to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$380Average$729FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$451Average$998FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$468Average$727FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$490Average$777FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$540Average$854FlexibilityNo cancel feeOn-time72%
JetBlueCheapest$640Average$839FlexibilityNo cancel feeOn-time62%
DeltaCheapest$732Average$932FlexibilityNo cancel feeOn-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.