HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$314+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This United Airlines deal was found by Cheapflights users on 3/6. 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.
Sun 10/186:00 am
BUF
-
LHR
1 stop19h 55m
United Airlines
Fri 1/156:35 am
LHR
-
BUF
2 stops21h 02m
United Airlines
Deal found 3/6$709
This Scandinavian Airlines deal was found by Cheapflights users on 3/6. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:34 pm
BUF
-
LHR
2 stops22h 56m
Scandinavian Airlines
Mon 4/276:40 am
LHR
-
BUF
2 stops23h 10m
Scandinavian Airlines
Deal found 3/6$717
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:50 pm
BUF
-
LHR
1 stop12h 00m
Delta
Wed 9/168:40 am
LHR
-
BUF
2 stops15h 20m
Delta
Deal found 3/8$718
This JetBlue deal was found by Cheapflights users on 3/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:31 pm
BUF
-
LGW
1 stop15h 04m
JetBlue
Wed 9/212:20 pm
LGW
-
BUF
1 stop12h 09m
JetBlue
Deal found 3/10$721
This Cheapflightsfares deal was found by Cheapflights users on 3/6. 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.
Mon 3/236:00 am
BUF
-
LHR
1 stop10h 45m
JetBlue
Tue 3/318:40 am
LHR
-
BUF
1 stop16h 20m
JetBlue
Deal found 3/6$722
This FlightHub deal was found by Cheapflights users on 3/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:31 pm
BUF
-
LGW
1 stop15h 04m
JetBlue
Sat 8/2212:20 pm
LGW
-
BUF
1 stop25h 50m
JetBlue
Deal found 3/7$726
This FlightHub deal was found by Cheapflights users on 3/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:54 am
BUF
-
LHR
1 stop17h 01m
JetBlue
Tue 3/318:15 am
LHR
-
BUF
1 stop16h 22m
JetBlue
Deal found 3/6$727
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Thu 4/301:08 pm
BUF
-
LGW
2 stops36h 12m
Multiple Airlines
Fri 5/82:00 pm
LGW
-
BUF
1 stop25h 49m
Multiple Airlines
Deal found 3/10$734
This Flighttix deal was found by Cheapflights users on 3/8. 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.
Thu 4/239:48 am
BUF
-
LHR
1 stop15h 42m
JetBlue
Thu 4/3011:55 am
LHR
-
BUF
1 stop14h 30m
JetBlue
Deal found 3/8$736
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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.
Thu 5/76:00 am
BUF
-
LHR
1 stop19h 30m
JetBlue
Fri 5/158:15 am
LHR
-
BUF
1 stop11h 44m
JetBlue
Deal found 3/9$738
This Cheapflightsfares deal was found by Cheapflights users on 3/10. 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.
Tue 3/318:56 am
BUF
-
LHR
1 stop16h 34m
JetBlue
Sat 4/411:55 am
LHR
-
BUF
1 stop13h 08m
JetBlue
Deal found 3/10$739
This KAYAK deal was found by Cheapflights users on 3/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:50 am
BUF
-
LCY
2 stops16h 50m
SWISS
Fri 1/159:15 am
LCY
-
BUF
2 stops16h 16m
SWISS
Deal found 3/6$753

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$692
(Scandinavian Airlines)

One-way from

$314
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$658
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 ($128 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 March 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 March 10, 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

Mon 4/20

2:34 pm-6:30 pm

2 stops22h 56m

London Heathrow

Mon 4/27

6:40 am-12:50 am

2 stops23h 10m

$725

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 4/24

9:48 am-6:30 am

1 stop15h 42m

London Heathrow

Fri 5/1

8:15 am-9:25 pm

1 stop18h 10m

$816

BuffaloLondon

BUF - STN

BUFSTN

Buffalo

Mon 4/20

7:00 am-4:40 pm

2 stops28h 40m

London Stansted

Mon 4/27

10:50 am-8:58 am

2 stops27h 08m

$825

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 4/24

6:55 pm-10:25 am

1 stop10h 30m

London Heathrow

Fri 5/1

2:05 pm-9:01 pm

2 stops35h 56m

$836

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 3/23

7:56 pm-8:10 pm

1 stop20h 14m

London Heathrow

Tue 3/31

8:40 am-10:55 pm

2 stops19h 15m

$865

BuffaloLondon

BUF - LCY

BUFLCY

Buffalo

Sun 4/26

1:52 pm-8:40 am

2 stops37h 48m

London City

Sat 5/2

9:00 am-9:01 pm

2 stops41h 01m

$866

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 3/19

1:00 pm-8:05 am

2 stops15h 05m

London Heathrow

Wed 3/25

10:00 am-10:55 pm

2 stops16h 55m

$919

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Sun 4/5

8:59 pm-10:00 am

1 stop32h 01m

London Gatwick

Wed 4/8

2:00 pm-11:02 am

1 stop26h 02m

$936

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Thu 4/23

9:48 am-2:40 pm

2 stops23h 52m

London Gatwick

Thu 4/30

1:00 pm-11:02 pm

2 stops15h 02m

$938
Quickest round-trip

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 3/20

6:00 am-9:20 pm

1 stop11h 20m

London Heathrow

Tue 3/24

9:10 am-6:42 pm

2 stops13h 32m

$947

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

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 March.
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 March 6, 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, May is the cheapest month in which you can book a flight from Buffalo to London (average of $448). Flying from Buffalo to London in June is currently the most expensive (average of $756). 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 March 10, 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
7.9
Good
8,277 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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
8,277 reviews
Delta
7.9
Good
8,277 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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
680 reviews
Delta
7.9
Good
8,277 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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
9,412 reviews
Delta
7.9
Good
8,277 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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
2,900 reviews
Delta
7.9
Good
8,277 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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
7.1
Good
11,415 reviews
Delta
7.9
Good
8,277 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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?

    Scandinavian Airlines, JetBlue, and United Airlines can get you from Buffalo to London in just under 10h 30m. Your travel time can differ by up to 12h 26m. 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 38% 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, May is the cheapest month in which you can book a flight from Buffalo to London (average of $448). Flying from Buffalo to London in June is currently the most expensive (average of $756). 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
Borehamwood
Aylesbury
Chipping Norton
Hayes
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.

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$451Average$805FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$522Average$777FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$534Average$767FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$597Average$699FlexibilityNo cancel feeOn-time62%
DeltaCheapest$599Average$852FlexibilityNo 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.
Site
©2026 Cheapflights