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$225+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
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 July 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/28. 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 9/271:16 pm
BUF
-
LGW
2 stops39h 44m
Multiple Airlines
Mon 10/52:00 pm
LGW
-
BUF
1 stop32h 34m
Multiple Airlines
Deal found 6/28$653
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Tue 9/296:29 pm
BUF
-
LGW
1 stop34h 31m
Multiple Airlines
Mon 10/52:00 pm
LGW
-
BUF
1 stop32h 34m
Multiple Airlines
Deal found 6/28$673
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 10/18:54 pm
BUF
-
LGW
1 stop32h 06m
Multiple Airlines
Mon 10/52:00 pm
LGW
-
BUF
1 stop32h 34m
Multiple Airlines
Deal found 6/28$676
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Sat 8/812:28 pm
BUF
-
LGW
2 stops40h 32m
Multiple Airlines
Sat 8/292:00 pm
LGW
-
BUF
1 stop24h 23m
Multiple Airlines
Deal found 6/30$705
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 9/278:54 pm
BUF
-
LGW
1 stop32h 06m
Multiple Airlines
Wed 10/72:00 pm
LGW
-
BUF
1 stop33h 01m
Multiple Airlines
Deal found 6/28$711
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Tue 9/296:29 pm
BUF
-
LGW
1 stop34h 31m
Multiple Airlines
Wed 10/72:00 pm
LGW
-
BUF
1 stop33h 01m
Multiple Airlines
Deal found 6/28$721
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 10/18:54 pm
BUF
-
LGW
1 stop32h 06m
Multiple Airlines
Wed 10/72:00 pm
LGW
-
BUF
1 stop33h 01m
Multiple Airlines
Deal found 6/28$725
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 9/278:54 pm
BUF
-
LGW
1 stop32h 06m
Multiple Airlines
Sat 10/32:00 pm
LGW
-
BUF
1 stop32h 34m
Multiple Airlines
Deal found 6/28$726
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 9/297:00 am
BUF
-
LHR
1 stop21h 00m
United Airlines
Thu 10/16:50 am
LHR
-
BUF
2 stops21h 21m
United Airlines
Deal found 6/28$738
This United Airlines deal was found by Cheapflights users on 6/28. 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 9/3010:40 am
BUF
-
LHR
2 stops15h 35m
United Airlines
Fri 10/26:50 am
LHR
-
BUF
2 stops21h 21m
United Airlines
Deal found 6/28$742
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:54 pm
BUF
-
LHR
1 stop20h 26m
United Airlines
Mon 10/195:50 pm
LHR
-
BUF
2 stops30h 22m
United Airlines
Deal found 7/1$743
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:00 pm
BUF
-
LHR
1 stop13h 25m
United Airlines
Fri 12/47:30 am
LHR
-
BUF
2 stops20h 07m
United Airlines
Deal found 7/1$750

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 July 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$653
(Kiwi.com)

One-way from

$225
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$730
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. 13% potential increase in price ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 2, 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 - LGW

BUFLGW

Buffalo

Sun 8/16

11:29 am-10:00 am

2 stops41h 31m

London Gatwick

Sat 8/22

2:00 pm-9:23 am

1 stop24h 23m

$767

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 9/23

7:00 am-6:45 am

1 stop18h 45m

London Heathrow

Wed 9/30

6:50 am-4:43 pm

2 stops14h 53m

$862

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 12/7

1:55 pm-7:55 am

1 stop13h 00m

London Heathrow

Tue 12/15

9:30 am-10:37 pm

2 stops18h 07m

$875

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/12

3:55 pm-9:30 am

1 stop12h 35m

London Heathrow

Wed 8/19

8:15 am-2:59 pm

1 stop11h 44m

$891

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 11/1

2:54 pm-6:40 am

1 stop10h 46m

London Heathrow

Fri 11/13

4:00 pm-11:21 pm

1 stop12h 21m

$891

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 11/30

6:00 am-9:20 pm

1 stop10h 20m

London Heathrow

Wed 12/9

3:10 pm-10:37 pm

1 stop12h 27m

$891
Quickest round-trip

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 12/9

6:45 pm-10:25 am

1 stop10h 40m

London Heathrow

Wed 12/16

12:05 pm-6:26 pm

1 stop11h 21m

$893

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 11/22

7:40 pm-6:25 am

1 stop29h 45m

London Heathrow

Fri 11/27

6:30 am-6:54 pm

2 stops17h 24m

$898

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 10/7

10:30 am-7:15 am

1 stop15h 45m

London Heathrow

Mon 10/12

2:05 pm-8:47 pm

2 stops35h 42m

$903

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 9/17

6:00 am-5:55 am

1 stop18h 55m

London Heathrow

Mon 9/21

6:50 am-7:02 pm

2 stops17h 12m

$922

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 60 resultsSorted by cheapest first
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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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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

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

Currently, April is the cheapest month in which you can book a flight from Buffalo to London (average of $88). Flying from Buffalo to London in June is currently the most expensive (average of $809). 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.

New York (JFK) – chosen by Cheapflights users on 50% 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.

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

To ensure you get the cheapest price possible for a flight from Buffalo to London, you should look to book at least 80 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.

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 July 2, 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
7.8
Good
8,452 reviews

Comfort

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Delta
7.8
Good
8,452 reviews
Delta
7.8
Good
8,452 reviews

Comfort

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Virgin Atlantic
7.5
Good
689 reviews
Delta
7.8
Good
8,452 reviews

Comfort

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
United Airlines
7.4
Good
9,909 reviews
Delta
7.8
Good
8,452 reviews

Comfort

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
American Airlines
7.1
Good
11,765 reviews
Delta
7.8
Good
8,452 reviews

Comfort

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
JetBlue
7.1
Good
3,010 reviews
Delta
7.8
Good
8,452 reviews

Comfort

7.8

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

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 7 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 Delta can get you from Buffalo to London in just under 10h 40m. Your travel time can differ by up to 5h 07m. 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?

    KLM, at $380, was found to be the cheapest airline from Buffalo to London.Alternate airlines to your destination round-trip include United Airlines and American Airlines. KLM is 52% 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, April is the cheapest month in which you can book a flight from Buffalo to London (average of $88). Flying from Buffalo to London in June is currently the most expensive (average of $809). 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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

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 7 airlines flying from Buffalo to London

Discover the top 7 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 July 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$380Average$729FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$451Average$984FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$522Average$777FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$534Average$696FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$540Average$854FlexibilityNo cancel feeOn-time72%
JetBlueCheapest$640Average$725FlexibilityNo cancel feeOn-time62%
DeltaCheapest$732Average$932FlexibilityNo cancel feeOn-timeN/A

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