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$293+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
1 adult, Economy
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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 18, 2026.

This KAYAK deal was found by Cheapflights users on 3/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am
BUF
-
LHR
2 stops29h 40m
Scandinavian Airlines
Wed 10/2110:35 am
LHR
-
BUF
2 stops42h 15m
Scandinavian Airlines
Deal found 3/14$745
This Scandinavian Airlines deal was found by Cheapflights users on 3/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:52 am
BUF
-
LHR
2 stops16h 43m
Scandinavian Airlines
Tue 5/57:30 pm
LHR
-
BUF
3 stops28h 49m
Scandinavian Airlines
Deal found 3/14$749
This KAYAK deal was found by Cheapflights users on 3/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am
BUF
-
LHR
2 stops28h 00m
Scandinavian Airlines
Wed 10/146:40 am
LHR
-
BUF
2 stops22h 10m
Scandinavian Airlines
Deal found 3/14$761
This Expedia deal was found by Cheapflights users on 3/13. 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.
Mon 4/277:00 am
BUF
-
LHR
2 stops21h 35m
Scandinavian Airlines
Mon 5/47:30 pm
LHR
-
BUF
2 stops33h 07m
Scandinavian Airlines
Deal found 3/13$763
This FlightHub deal was found by Cheapflights users on 3/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:00 am
BUF
-
LHR
2 stops30h 50m
Scandinavian Airlines
Fri 5/156:40 am
LHR
-
BUF
2 stops22h 39m
Scandinavian Airlines
Deal found 3/15$768
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
BUF
-
LHR
2 stops23h 00m
United Airlines
Wed 9/166:55 am
LHR
-
BUF
2 stops21h 57m
United Airlines
Deal found 3/14$771
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/199:54 am
BUF
-
LHR
1 stop17h 01m
JetBlue
Wed 3/257:25 am
LHR
-
BUF
1 stop17h 28m
JetBlue
Deal found 3/15$772
This United Airlines deal was found by Cheapflights users on 3/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:52 pm
BUF
-
LHR
1 stop9h 48m
United Airlines
Thu 8/208:45 am
LHR
-
BUF
2 stops29h 29m
United Airlines
Deal found 3/15$774
This FlightHub deal was found by Cheapflights users on 3/13. 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.
Sat 8/228:54 pm
BUF
-
LGW
1 stop31h 41m
JetBlue
Sat 9/512:20 pm
LGW
-
BUF
1 stop12h 09m
JetBlue
Deal found 3/13$775
This Flighttix deal was found by Cheapflights users on 3/13. 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.
Mon 4/277:00 am
BUF
-
LHR
1 stop21h 30m
JetBlue
Mon 5/48:15 am
LHR
-
BUF
1 stop18h 10m
JetBlue
Deal found 3/13$776
This Air Canada deal was found by Cheapflights users on 3/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:00 am
BUF
-
LHR
2 stops33h 00m
Air Canada
Wed 10/149:30 am
LHR
-
BUF
2 stops40h 01m
Air Canada
Deal found 3/14$777
This JetBlue deal was found by Cheapflights users on 3/13. 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.
Mon 3/236:00 am
BUF
-
LHR
1 stop10h 45m
JetBlue
Mon 3/308:15 am
LHR
-
BUF
1 stop17h 38m
JetBlue
Deal found 3/13$778

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 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$745
(KAYAK)

One-way from

$293
(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 ($127 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 18, 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

Sun 8/9

7:52 pm-10:40 am

1 stop9h 48m

London Heathrow

Thu 8/20

8:45 am-9:14 am

2 stops29h 29m

$774

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Sun 8/23

1:31 pm-9:35 am

1 stop15h 04m

London Gatwick

Thu 8/27

12:20 pm-11:39 pm

1 stop16h 19m

$791

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/5

3:00 pm-10:40 am

1 stop14h 40m

London Heathrow

Thu 8/20

2:10 pm-10:01 am

3 stops24h 51m

$796

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/26

3:08 pm-6:55 am

1 stop10h 47m

London Heathrow

Wed 9/16

4:40 pm-11:52 pm

1 stop12h 12m

$797

BuffaloLondon

BUF - STN

BUFSTN

Buffalo

Mon 4/27

7:00 am-4:40 pm

2 stops28h 40m

London Stansted

Mon 5/4

10:50 am-2:59 pm

2 stops33h 09m

$822

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 9/1

6:00 am-6:30 am

2 stops19h 30m

London Heathrow

Sat 9/12

7:25 am-6:54 pm

2 stops16h 29m

$822

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Tue 4/28

7:00 am-1:10 pm

2 stops25h 10m

London Gatwick

Tue 5/5

2:05 pm-9:25 pm

2 stops36h 20m

$833

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 7/22

7:52 pm-10:40 am

1 stop9h 48m

London Heathrow

Sat 8/22

8:00 am-4:43 pm

1 stop13h 43m

$847

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/5

3:50 pm-10:20 am

1 stop13h 30m

London Heathrow

Thu 8/20

11:20 am-11:03 pm

2 stops16h 43m

$869

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 4/23

2:54 pm-6:55 am

1 stop11h 01m

London Heathrow

Fri 5/8

6:50 am-6:10 pm

2 stops16h 20m

$878

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 60 resultsSorted by cheapest first
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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 13, 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.

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.

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 18, 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
8,288 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
8,288 reviews
Delta
7.9
Good
8,288 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
682 reviews
Delta
7.9
Good
8,288 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
9,434 reviews
Delta
7.9
Good
8,288 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
2,907 reviews
Delta
7.9
Good
8,288 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
7.1
Good
11,469 reviews
Delta
7.9
Good
8,288 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

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 Turkish Airlines can get you from Buffalo to London in just under 9h 48m. Your travel time can differ by up to 18h 52m. 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

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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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$451Average$852FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$522Average$777FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$534Average$737FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$593Average$699FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$636Average$748FlexibilityNo cancel feeOn-time72%
DeltaCheapest$710Average$865FlexibilityNo cancel feeOn-timeN/A

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