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$308+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
abr. 23 — abr. 301
jue. 4/23
jue. 4/30
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 marzo 24, 2026.

This United Airlines deal was found by Cheapflights users on 3/23. 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.
mié. 9/910:42 am
BUF
-
LHR
2 stops18h 18m
United Airlines
vie. 9/116:50 am
LHR
-
BUF
2 stops14h 53m
United Airlines
Deal found 3/23$707
This United Airlines deal was found by Cheapflights users on 3/23. 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.
mar. 9/87:00 am
BUF
-
LHR
1 stop21h 00m
United Airlines
jue. 9/107:25 am
LHR
-
BUF
2 stops18h 43m
United Airlines
Deal found 3/23$711
This United Airlines deal was found by Cheapflights users on 3/23. 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.
mié. 9/96:00 am
BUF
-
LHR
1 stop9h 40m
United Airlines
jue. 9/107:30 am
LHR
-
BUF
2 stops15h 47m
United Airlines
Deal found 3/23$721
This United Airlines deal was found by Cheapflights users on 3/23. 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.
jue. 9/106:00 am
BUF
-
LHR
1 stop10h 35m
United Airlines
vie. 9/116:50 am
LHR
-
BUF
2 stops14h 53m
United Airlines
Deal found 3/23$758
This FlightHub deal was found by Cheapflights users on 3/22. 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.
lun. 4/2011:52 am
BUF
-
LHR
2 stops16h 43m
Scandinavian Airlines
vie. 4/247:05 am
LHR
-
BUF
2 stops17h 14m
Scandinavian Airlines
Deal found 3/22$790
This United Airlines deal was found by Cheapflights users on 3/23. 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.
lun. 9/77:52 pm
BUF
-
LHR
1 stop9h 48m
United Airlines
mié. 9/97:25 am
LHR
-
BUF
2 stops18h 43m
United Airlines
Deal found 3/23$792
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
mié. 5/62:49 pm
BUF
-
LGW
2 stops34h 31m
Multiple Airlines
mié. 5/132:00 pm
LGW
-
BUF
1 stop33h 46m
Multiple Airlines
Deal found 3/23$792
This Expedia deal was found by Cheapflights users on 3/23. 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.
lun. 4/137:00 am
BUF
-
LHR
2 stops28h 25m
Scandinavian Airlines
jue. 4/307:05 am
LHR
-
BUF
2 stops17h 14m
Scandinavian Airlines
Deal found 3/23$796
This United Airlines deal was found by Cheapflights users on 3/23. 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.
dom. 9/610:54 am
BUF
-
LHR
2 stops15h 01m
United Airlines
mar. 9/86:55 am
LHR
-
BUF
2 stops19h 13m
United Airlines
Deal found 3/23$797
This eDestinos deal was found by Cheapflights users on 3/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/212:34 pm
BUF
-
LHR
1 stop10h 46m
Virgin Atlantic
mar. 4/284:20 pm
LHR
-
BUF
1 stop13h 30m
Virgin Atlantic
Deal found 3/22$801
This KAYAK deal was found by Cheapflights users on 3/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/121:31 pm
BUF
-
LGW
1 stop15h 04m
JetBlue
mar. 9/112:20 pm
LGW
-
BUF
1 stop12h 09m
JetBlue
Deal found 3/19$801
This FlightHub deal was found by Cheapflights users on 3/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/226:00 am
BUF
-
LGW
1 stop22h 35m
JetBlue
sáb. 9/512:20 pm
LGW
-
BUF
1 stop25h 50m
JetBlue
Deal found 3/20$804

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 marzo 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$707
(United Airlines)

One-way from

$308
(oojo)

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 marzo 24, 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 - STN

BUFSTN

Buffalo

lun. 5/4

2:28 pm-10:10 pm

2 stops26h 42m

London Stansted

lun. 5/11

10:50 am-2:59 pm

2 stops33h 09m

$832

BuffaloLondon

BUF - STN

BUFSTN

Buffalo

mié. 4/22

7:00 am-4:40 pm

2 stops28h 40m

London Stansted

mié. 4/29

5:45 pm-9:25 pm

2 stops32h 40m

$833

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

lun. 4/13

8:59 pm-9:55 am

2 stops31h 56m

London Gatwick

jue. 4/30

7:00 am-9:25 pm

2 stops19h 25m

$840

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

sáb. 4/4

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

mar. 4/7

8:15 am-8:04 pm

1 stop16h 49m

$843

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

dom. 9/6

6:00 am-9:35 pm

1 stop10h 35m

London Heathrow

mié. 9/9

5:50 pm-6:17 pm

2 stops29h 27m

$850

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

mar. 9/15

10:42 am-6:55 am

2 stops15h 13m

London Heathrow

jue. 10/1

7:30 am-6:26 pm

2 stops15h 56m

$853

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

mar. 5/5

2:45 pm-9:20 am

2 stops13h 35m

London Heathrow

mar. 5/12

6:50 am-4:54 pm

2 stops15h 04m

$881

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

lun. 8/24

10:00 am-2:40 pm

2 stops23h 40m

London Gatwick

lun. 8/31

3:40 pm-11:39 pm

2 stops36h 59m

$914

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

mié. 8/5

12:03 pm-8:50 am

2 stops15h 47m

London Heathrow

jue. 8/20

11:20 am-11:03 pm

2 stops16h 43m

$918

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

mié. 8/5

3:00 pm-10:40 am

1 stop14h 40m

London Heathrow

vie. 8/14

4:40 pm-11:52 pm

1 stop12h 12m

$919

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

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 marzo 24, 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
8,319 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

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
8,319 reviews
Delta
7.9
Good
8,319 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

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
685 reviews
Delta
7.9
Good
8,319 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

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
9,467 reviews
Delta
7.9
Good
8,319 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

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
2,905 reviews
Delta
7.9
Good
8,319 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

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
11,494 reviews
Delta
7.9
Good
8,319 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

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?

    JetBlue, United Airlines, and Turkish Airlines can get you from Buffalo to London in just under 10h 35m. Your travel time can differ by up to 8h 42m. 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 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, 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
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough
Stansted

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 marzo 24, 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$812FlexibilityNo cancel feeOn-time72%
DeltaCheapest$710Average$865FlexibilityNo cancel feeOn-timeN/A

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