HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$222+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
Jul 16 — Jul 231
Thu 7/16
Thu 7/23
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 June 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/15. 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 9/271:16 pm
BUF
-
LGW
2 stops39h 44m
Multiple Airlines
Mon 10/122:00 pm
LGW
-
BUF
1 stop33h 01m
Multiple Airlines
Deal found 6/15$738
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Wed 9/301:16 pm
BUF
-
LGW
2 stops39h 44m
Multiple Airlines
Mon 10/122:00 pm
LGW
-
BUF
1 stop33h 01m
Multiple Airlines
Deal found 6/15$739
This Orbitz deal was found by Cheapflights users on 6/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:25 am
BUF
-
LGW
1 stop18h 10m
JetBlue
Fri 9/412:20 pm
LGW
-
BUF
1 stop16h 12m
JetBlue
Deal found 6/16$755
This Travelocity deal was found by Cheapflights users on 6/14. 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.
Fri 8/2110:25 am
BUF
-
LGW
1 stop18h 10m
JetBlue
Sun 8/3012:20 pm
LGW
-
BUF
1 stop16h 12m
JetBlue
Deal found 6/14$788
This Expedia deal was found by Cheapflights users on 6/14. 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.
Tue 11/106:00 am
BUF
-
LHR
1 stop9h 45m
JetBlue
Tue 11/179:20 am
LHR
-
BUF
1 stop16h 04m
JetBlue
Deal found 6/14$803
This Orbitz deal was found by Cheapflights users on 6/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:58 pm
BUF
-
LHR
1 stop10h 57m
Multiple Airlines
Wed 11/1812:20 pm
LHR
-
BUF
1 stop11h 41m
Multiple Airlines
Deal found 6/15$808
This Orbitz deal was found by Cheapflights users on 6/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:25 am
BUF
-
LGW
1 stop18h 10m
JetBlue
Sat 8/2912:20 pm
LGW
-
BUF
1 stop12h 04m
JetBlue
Deal found 6/16$819
This Expedia deal was found by Cheapflights users on 6/15. 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.
Wed 9/210:25 am
BUF
-
LHR
1 stop15h 05m
JetBlue
Fri 9/48:40 am
LHR
-
BUF
1 stop15h 44m
JetBlue
Deal found 6/15$823
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Sat 8/812:28 pm
BUF
-
LGW
2 stops40h 32m
Multiple Airlines
Thu 8/202:00 pm
LGW
-
BUF
1 stop34h 07m
Multiple Airlines
Deal found 6/14$835
This Expedia deal was found by Cheapflights users on 6/15. 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.
Tue 9/156:00 am
BUF
-
LHR
1 stop9h 45m
JetBlue
Tue 9/298:40 am
LHR
-
BUF
1 stop16h 44m
JetBlue
Deal found 6/15$840
This Expedia deal was found by Cheapflights users on 6/14. 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.
Tue 11/1011:40 am
BUF
-
LHR
2 stops21h 25m
Multiple Airlines
Tue 11/1712:20 pm
LHR
-
BUF
1 stop11h 41m
Multiple Airlines
Deal found 6/14$841
This Expedia deal was found by Cheapflights users on 6/14. 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.
Tue 11/106:00 am
BUF
-
LHR
1 stop9h 45m
JetBlue
Sun 11/158:15 am
LHR
-
BUF
1 stop29h 12m
JetBlue
Deal found 6/14$848

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 June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$738
(Kiwi.com)

One-way from

$222
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,199
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 ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 16, 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

Thu 10/8

6:00 am-6:55 am

1 stop19h 55m

London Heathrow

Tue 10/13

6:50 am-8:47 pm

2 stops18h 57m

$907

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 8/27

10:25 am-6:30 am

1 stop15h 05m

London Heathrow

Sat 9/5

8:40 am-7:24 pm

1 stop15h 44m

$910

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 9/1

10:25 am-6:30 am

1 stop15h 05m

London Heathrow

Sun 9/6

8:15 am-6:54 pm

1 stop15h 39m

$910

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 9/2

10:25 am-6:30 am

1 stop15h 05m

London Heathrow

Tue 9/8

8:15 am-2:57 pm

1 stop11h 42m

$910

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 9/2

10:25 am-6:30 am

1 stop15h 05m

London Heathrow

Mon 12/14

12:20 pm-8:35 pm

1 stop13h 15m

$915

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 8/27

10:25 am-6:30 am

1 stop15h 05m

London Heathrow

Wed 12/16

9:20 am-5:24 pm

1 stop13h 04m

$915

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Wed 8/5

7:59 pm-4:00 pm

2 stops15h 01m

London Gatwick

Thu 8/20

10:25 am-11:58 pm

2 stops18h 33m

$937

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Thu 10/8

7:15 pm-4:00 pm

2 stops15h 45m

London Gatwick

Tue 10/13

10:35 am-11:50 pm

2 stops18h 15m

$942

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 8/8

7:52 pm-2:40 pm

2 stops13h 48m

London Heathrow

Thu 8/20

6:50 am-4:56 pm

2 stops15h 06m

$944

BuffaloLondon

BUF - LCY

BUFLCY

Buffalo

Wed 7/22

3:57 pm-9:30 am

2 stops12h 33m

London City

Sat 8/22

9:20 am-11:09 pm

2 stops18h 49m

$955

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

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 June.
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, April is the cheapest month in which you can book a flight from Buffalo to London (average of $88). Flying from Buffalo to London in June is currently the most expensive (average of $809). 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?

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 82 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 June 16, 2026.
Read through reviews of airlines operating flights from Buffalo to London, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,405 reviews

Boarding

8.1

Overall

7.9

Comfort

7.8

Entertainment

7.8

Food

7.2

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
7.9
Good
8,405 reviews
Delta
7.9
Good
8,405 reviews

Boarding

8.1

Overall

7.9

Comfort

7.8

Entertainment

7.8

Food

7.2

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
9,842 reviews
Delta
7.9
Good
8,405 reviews

Boarding

8.1

Overall

7.9

Comfort

7.8

Entertainment

7.8

Food

7.2

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
11,666 reviews
Delta
7.9
Good
8,405 reviews

Boarding

8.1

Overall

7.9

Comfort

7.8

Entertainment

7.8

Food

7.2

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
2,981 reviews
Delta
7.9
Good
8,405 reviews

Boarding

8.1

Overall

7.9

Comfort

7.8

Entertainment

7.8

Food

7.2

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
British Airways
6.7
Okay
8,052 reviews
Delta
7.9
Good
8,405 reviews

Boarding

8.1

Overall

7.9

Comfort

7.8

Entertainment

7.8

Food

7.2

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, JetBlue, and Delta can get you from Buffalo to London in just under 15h 05m. Your travel time can differ by up to 4h 50m. 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 52% 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, April is the cheapest month in which you can book a flight from Buffalo to London (average of $88). Flying from Buffalo to London in June is currently the most expensive (average of $809). 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
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

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 June 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$380Average$729FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$451Average$852FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$522Average$777FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$534Average$696FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$540Average$854FlexibilityNo cancel feeOn-time72%
JetBlueCheapest$640Average$725FlexibilityNo cancel feeOn-time62%
DeltaCheapest$775Average$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.