HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$220+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
mrt. 24 — mrt. 311
di 3/24
di 3/31
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 februari 22, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 2/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 4/287:45 pm
BUF
-
LHR
2 stops16h 20m
Lufthansa
di 5/510:50 am
LHR
-
BUF
2 stops18h 05m
Lufthansa
Deal found 2/17$626
This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 3/237:30 pm
BUF
-
LHR
2 stops17h 35m
Lufthansa
di 3/319:00 am
LHR
-
BUF
2 stops19h 50m
Lufthansa
Deal found 2/19$640
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 3/185:54 pm
BUF
-
LHR
1 stop11h 16m
United Airlines
wo 3/251:25 pm
LHR
-
BUF
2 stops31h 17m
United Airlines
Deal found 2/18$641
This Iberia deal was found by Cheapflights users on 2/17. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 4/2811:31 am
BUF
-
LHR
1 stop15h 09m
Iberia
di 5/56:15 am
LHR
-
BUF
2 stops20h 21m
Iberia
Deal found 2/17$644
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 4/187:45 pm
BUF
-
LHR
1 stop30h 10m
United Airlines
do 4/306:50 am
LHR
-
BUF
2 stops15h 04m
United Airlines
Deal found 2/19$648
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 8/1210:00 am
BUF
-
LGW
1 stop18h 35m
JetBlue
wo 8/2612:20 pm
LGW
-
BUF
1 stop16h 19m
JetBlue
Deal found 2/20$648
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 8/1210:21 am
BUF
-
LHR
2 stops17h 14m
United Airlines
wo 8/266:50 am
LHR
-
BUF
2 stops14h 57m
United Airlines
Deal found 2/21$649
This Mytrip deal was found by Cheapflights users on 2/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 3/187:00 am
BUF
-
LHR
2 stops19h 30m
Air Canada
wo 3/251:25 pm
LHR
-
BUF
2 stops31h 17m
Air Canada
Deal found 2/18$650
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 8/116:00 am
BUF
-
LHR
1 stop10h 35m
United Airlines
di 8/257:25 am
LHR
-
BUF
2 stops18h 06m
United Airlines
Deal found 2/20$651
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 9/16:00 am
BUF
-
LHR
1 stop9h 40m
United Airlines
di 9/86:55 am
LHR
-
BUF
2 stops18h 36m
United Airlines
Deal found 2/18$652
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 2/246:00 am
BUF
-
LHR
1 stop10h 40m
JetBlue
di 3/109:20 am
LHR
-
BUF
1 stop16h 05m
JetBlue
Deal found 2/20$655
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 9/197:55 pm
BUF
-
LHR
1 stop30h 00m
United Airlines
wo 9/306:50 am
LHR
-
BUF
2 stops21h 36m
United Airlines
Deal found 2/18$657

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 februari 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$640
(Cheapflightsfares)

One-way from

$294
(Cheapflightsfares)

Popular in

June

Cheapest in

October

Average price

$780
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. 14% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 februari 22, 2026.
Use the filters below to find and compare flights from Buffalo to London that are best for you.

Fly from

Buffalo

Fly to

London

Route

Depart

Return

Price

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

wo 3/18

5:54 pm-9:10 am

1 stop11h 16m

London Heathrow

wo 3/25

1:25 pm-4:42 pm

2 stops31h 17m

$641

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

za 4/18

7:45 pm-6:55 am

1 stop30h 10m

London Heathrow

do 4/30

6:50 am-4:54 pm

2 stops15h 04m

$648

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

za 4/18

6:00 pm-6:50 am

1 stop31h 50m

London Heathrow

do 4/30

9:15 am-11:19 pm

1 stop19h 04m

$678

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

do 4/23

2:54 pm-6:55 am

1 stop11h 01m

London Heathrow

vr 5/8

6:50 am-6:35 pm

2 stops16h 45m

$698

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

wo 7/22

1:31 pm-9:35 am

1 stop15h 04m

London Gatwick

za 8/22

12:20 pm-7:29 pm

1 stop12h 09m

$699

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

wo 7/22

10:34 am-10:40 am

1 stop19h 06m

London Heathrow

za 8/22

2:05 pm-8:31 pm

2 stops35h 26m

$708

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

wo 8/5

10:39 am-10:40 am

1 stop19h 01m

London Heathrow

vr 8/14

4:40 pm-11:26 pm

1 stop11h 46m

$716

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

ma 3/23

5:50 pm-10:15 am

2 stops12h 25m

London Heathrow

di 3/31

8:05 pm-10:57 am

1 stop19h 52m

$727

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

wo 3/4

11:52 am-4:00 pm

2 stops23h 08m

London Heathrow

wo 3/18

6:40 am-12:14 am

3 stops21h 34m

$748

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

di 4/21

9:48 am-6:30 am

1 stop15h 42m

London Heathrow

za 5/2

8:15 am-2:59 pm

1 stop11h 44m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 60 results
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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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

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

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to London. Price data was last updated on February 20, 2026.

To ensure you get the cheapest price possible for a flight from Buffalo to London, you should look to book at least 76 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.

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

Currently, August is the cheapest month in which you can book a flight from Buffalo to London (average of $470). Flying from Buffalo to London in June is currently the most expensive (average of $755). 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.

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.

Philadelphia (PHL) – chosen by Cheapflights users on 45% 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.

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 februari 22, 2026.
Read through reviews of airlines operating flights from Buffalo to London, such as Delta, Virgin Atlantic, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,240 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
8,240 reviews
Delta
7.9
Good
8,240 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.5
Good
679 reviews
Delta
7.9
Good
8,240 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
9,341 reviews
Delta
7.9
Good
8,240 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
11,338 reviews
Delta
7.9
Good
8,240 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.2
Good
2,898 reviews
Delta
7.9
Good
8,240 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 6 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 10h 45m. Your travel time can differ by up to 19h 25m. 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?

    United Airlines, at $451, was found to be the cheapest airline from Buffalo to London.Alternate airlines to your destination round-trip include American Airlines and British Airways. United Airlines is 39% 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 City 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, August is the cheapest month in which you can book a flight from Buffalo to London (average of $470). Flying from Buffalo to London in June is currently the most expensive (average of $755). 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
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Kingston upon Thames
Eastbourne
Sutton
Slough

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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Stansted flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Luton flights
Newark to Stansted flights
Newark to London City flights
John F Kennedy Intl to Edinburgh flights
Newark to Luton flights
Newark to Edinburgh flights
John F Kennedy Intl to Manchester flights
LaGuardia to Edinburgh flights
LaGuardia to Stansted flights
LaGuardia to Luton flights
Newark to Manchester flights
LaGuardia to Manchester flights
John F Kennedy Intl to Southend flights
Syracuse to Heathrow flights
Buffalo to Heathrow flights
LaGuardia to London City flights
White Plains to Heathrow flights
Rochester to Heathrow flights
John F Kennedy Intl to Southampton flights
John F Kennedy Intl to Birmingham flights
Newark to Southampton flights
Buffalo to Gatwick flights
Buffalo to London City flights
Rochester to Gatwick flights
Syracuse to Gatwick flights
John F Kennedy Intl to Leeds flights
Newark to Birmingham flights
Rochester to Edinburgh flights
Syracuse to Edinburgh flights
Albany to Heathrow flights
Syracuse to London City flights
Rochester to London City flights
Buffalo to Edinburgh flights
LaGuardia to Birmingham flights
Buffalo to Stansted flights
Ithaca to Heathrow flights
Rochester to Stansted flights
Newark to Leeds flights
Syracuse to Stansted flights
Albany to London City flights
Albany to Gatwick flights
Newark to Liverpool flights

Top 6 airlines flying from Buffalo to London

Discover the top 6 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 februari 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$451Average$805FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$522Average$777FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$534Average$737FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$593Average$699FlexibilityNo cancel feeOn-time62%
DeltaCheapest$596Average$811FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$636Average$748FlexibilityNo cancel feeOn-time72%

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.