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$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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February 3, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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 5/107:50 pm
BUF
-
LHR
1 stop30h 05m
United Airlines
Wed 5/136:50 am
LHR
-
BUF
2 stops16h 45m
United Airlines
Deal found 2/2$526
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/222:19 pm
BUF
-
LGW
2 stops34h 41m
Multiple Airlines
Fri 2/272:00 pm
LGW
-
BUF
1 stop30h 52m
Multiple Airlines
Deal found 2/1$602
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/26:00 am
BUF
-
LHR
1 stop9h 35m
United Airlines
Mon 3/96:50 am
LHR
-
BUF
2 stops15h 52m
United Airlines
Deal found 2/2$621
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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.
Wed 3/42:54 pm
BUF
-
LHR
2 stops13h 51m
Lufthansa
Mon 3/99:30 am
LHR
-
BUF
2 stops18h 26m
Lufthansa
Deal found 2/2$634
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/41:52 pm
BUF
-
LHR
1 stop11h 03m
United Airlines
Mon 3/96:50 am
LHR
-
BUF
2 stops20h 52m
United Airlines
Deal found 2/2$635
This Delta deal was found by Cheapflights users on 2/1. 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 3/1812:07 pm
BUF
-
LHR
1 stop19h 33m
Delta
Wed 3/258:40 am
LHR
-
BUF
2 stops18h 15m
Delta
Deal found 2/1$636
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 3/237:30 pm
BUF
-
LHR
2 stops16h 20m
Lufthansa
Tue 3/319:00 am
LHR
-
BUF
2 stops19h 50m
Lufthansa
Deal found 2/2$643
This Flighttix deal was found by Cheapflights users on 2/3. 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.
Fri 3/201:32 pm
BUF
-
LHR
1 stop13h 23m
JetBlue
Fri 3/278:05 am
LHR
-
BUF
1 stop28h 59m
JetBlue
Deal found 2/3$646
This JetBlue deal was found by Cheapflights users on 2/2. 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 3/21:51 pm
BUF
-
LHR
1 stop12h 04m
JetBlue
Mon 3/912:20 pm
LHR
-
BUF
1 stop15h 12m
JetBlue
Deal found 2/2$650
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 5/311:25 am
BUF
-
LGW
1 stop17h 35m
Multiple Airlines
Sun 5/102:00 pm
LGW
-
BUF
1 stop34h 13m
Multiple Airlines
Deal found 2/2$650
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
Wed 3/187:30 pm
BUF
-
LHR
2 stops19h 05m
Lufthansa
Tue 3/319:30 am
LHR
-
BUF
2 stops19h 20m
Lufthansa
Deal found 2/1$653
This United Airlines deal was found by Cheapflights users on 2/2. 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 5/32:45 pm
BUF
-
LHR
1 stop11h 10m
United Airlines
Fri 5/86:50 am
LHR
-
BUF
2 stops16h 20m
United Airlines
Deal found 2/2$654

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$526
(United Airlines)

One-way from

$220
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$722
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. 15% potential increase in price ($138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 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 February 3, 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

Mon 3/2

6:00 am-8:35 pm

1 stop9h 35m

London Heathrow

Mon 3/9

6:50 am-6:42 pm

2 stops15h 52m

$621

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 3/10

1:52 pm-11:15 am

1 stop17h 23m

London Heathrow

Mon 3/16

6:50 am-8:46 pm

2 stops17h 56m

$635

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 3/18

1:00 pm-9:00 am

2 stops16h 00m

London Heathrow

Wed 3/25

10:00 am-12:14 am

2 stops18h 14m

$640

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 3/2

12:26 pm-8:05 am

2 stops14h 39m

London Heathrow

Mon 3/9

11:45 am-12:14 am

2 stops16h 29m

$640

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 3/20

1:32 pm-6:55 am

1 stop13h 23m

London Heathrow

Fri 3/27

8:05 am-9:04 am

1 stop28h 59m

$646

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Sun 5/3

11:25 am-10:00 am

1 stop17h 35m

London Gatwick

Sun 5/10

2:00 pm-7:13 pm

1 stop34h 13m

$650

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 5/10

6:10 am-6:55 am

1 stop19h 45m

London Heathrow

Thu 5/14

6:50 am-4:54 pm

2 stops15h 04m

$654

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 3/18

5:54 pm-8:25 am

1 stop10h 31m

London Heathrow

Wed 3/25

4:00 pm-11:56 pm

1 stop11h 56m

$664

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 3/12

6:00 am-9:20 pm

1 stop11h 20m

London Heathrow

Thu 3/19

12:05 pm-11:42 pm

1 stop15h 37m

$664

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 3/12

2:59 pm-10:40 am

2 stops15h 41m

London Heathrow

Fri 3/20

8:00 pm-3:14 pm

1 stop23h 14m

$668

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 60 results
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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 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 January 30, 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 $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 February 3, 2026.
Read through reviews of airlines operating flights from Buffalo to London, such as Delta, Virgin Atlantic, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,139 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
8,139 reviews
Delta
7.9
Good
8,139 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
678 reviews
Delta
7.9
Good
8,139 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
7.2
Good
11,218 reviews
Delta
7.9
Good
8,139 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
2,893 reviews
Delta
7.9
Good
8,139 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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.
British Airways
6.7
Okay
7,712 reviews
Delta
7.9
Good
8,139 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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?

    United Airlines, Delta, and Virgin Atlantic can get you from Buffalo to London in just under 9h 35m. Your travel time can differ by up to 6h 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 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, 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 $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
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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Alternative routes for Buffalo to London

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to Heathrow flights
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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$451Average$803FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$522Average$777FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$534Average$767FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$593Average$699FlexibilityNo cancel feeOn-time62%
DeltaCheapest$596Average$785FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$636Average$748FlexibilityNo cancel feeOn-time72%

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