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$219+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Buffalo to London are usually found in January or September, booked 76 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 3, 2025.

Round-trip from

$523
(Justfly.com)

One-way from

$219
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$943
From Buffalo to London (LON)
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One-way flight from Buffalo to London (LON)
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Highest demand for flights based on searches. 17% potential increase in price ($151 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 3, 2025.

This Justfly.com deal was found by Cheapflights users on 7/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:40 pmBUF - LHR
1 stop11h 50mBritish Airways
Tue 8/2612:30 pmLHR - BUF
1 stop13h 01mBritish Airways
Deal found 7/3$523
This JetBlue deal was found by Cheapflights users on 7/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/132:00 pmBUF - LGW
1 stop14h 35mJetBlue
Thu 10/1612:10 pmLGW - BUF
1 stop13h 50mJetBlue
Deal found 7/3$592
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/111:04 pmBUF - LHR
1 stop13h 36mAmerican Airlines
Wed 8/209:15 amLHR - BUF
1 stop13h 26mAmerican Airlines
Deal found 7/2$604
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/207:41 pmBUF - LHR
1 stop12h 29mVirgin Atlantic
Wed 9/311:30 amLHR - BUF
2 stops16h 29mVirgin Atlantic
Deal found 7/1$606
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:10 amBUF - LHR
1 stop17h 05mDelta
Tue 9/3011:45 amLHR - BUF
2 stops17h 36mDelta
Deal found 7/1$607
This JetBlue deal was found by Cheapflights users on 7/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:00 pmBUF - LHR
1 stop16h 30mJetBlue
Thu 12/118:25 amLHR - BUF
1 stop15h 14mJetBlue
Deal found 7/3$635
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:00 amBUF - LHR
2 stops21h 35mScandinavian Airlines
Mon 9/157:05 amLHR - BUF
2 stops17h 09mScandinavian Airlines
Deal found 6/30$646
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/179:12 pmBUF - LGW
1 stop31h 48mMultiple Airlines
Sun 8/242:00 pmLGW - BUF
1 stop24h 27mMultiple Airlines
Deal found 7/3$656
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1711:56 amBUF - LGW
2 stops14h 54mAmerican Airlines
Sun 8/2412:20 pmLGW - BUF
2 stops16h 49mAmerican Airlines
Deal found 7/3$718
This KAYAK deal was found by Cheapflights users on 7/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/181:32 pmBUF - LGW
2 stops15h 38mBritish Airways
Mon 8/258:40 pmLGW - BUF
2 stops30h 22mBritish Airways
Deal found 7/3$735
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2511:35 amBUF - LGW
1 stop17h 25mVirgin Atlantic
Sun 8/3112:00 pmLGW - BUF
2 stops16h 18mVirgin Atlantic
Deal found 7/1$746
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/183:51 pmBUF - LGW
1 stop13h 09mDelta
Mon 8/2512:00 pmLGW - BUF
1 stop17h 53mDelta
Deal found 7/3$760

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 3, 2025.
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

Tue 8/19

5:40 pm-10:30 am

1 stop11h 50m

London Heathrow

Tue 8/26

12:30 pm-8:31 pm

1 stop13h 01m

$523

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Tue 9/23

6:00 pm-9:35 am

1 stop10h 35m

London Gatwick

Tue 9/30

12:10 pm-9:00 pm

1 stop13h 50m

$601

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 8/11

1:04 pm-7:40 am

1 stop13h 36m

London Heathrow

Wed 8/20

9:15 am-5:41 pm

1 stop13h 26m

$604

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/20

7:41 pm-1:10 pm

1 stop12h 29m

London Heathrow

Wed 9/3

11:30 am-10:59 pm

2 stops16h 29m

$606

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 9/23

11:10 am-9:15 am

1 stop17h 05m

London Heathrow

Tue 9/30

11:45 am-12:21 am

2 stops17h 36m

$607

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 8/18

12:41 pm-9:30 am

1 stop15h 49m

London Heathrow

Fri 8/22

11:55 am-7:02 pm

1 stop12h 07m

$644

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 9/8

7:00 am-9:35 am

2 stops21h 35m

London Heathrow

Mon 9/15

7:05 am-7:14 pm

2 stops17h 09m

$646

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Sun 8/17

9:12 pm-10:00 am

1 stop31h 48m

London Gatwick

Sun 8/24

2:00 pm-9:27 am

1 stop24h 27m

$656

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Sun 8/17

11:56 am-7:50 am

2 stops14h 54m

London Gatwick

Sun 8/24

12:20 pm-12:09 am

2 stops16h 49m

$718

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Mon 8/18

1:32 pm-10:10 am

2 stops15h 38m

London Gatwick

Mon 8/25

8:40 pm-10:02 pm

2 stops30h 22m

$735

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 49 results
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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 June 27, 2025.

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, November is the cheapest month in which you can book a flight from Buffalo to London (average of $661). Flying from Buffalo to London in June is currently the most expensive (average of $1,098). 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 is the cheapest time of day to fly from BUF to LON?

Find hourly flight availability from Buffalo to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

One of the essential ways to save on airfare from Buffalo to London is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 16% on airfare.

What is the cheapest day to fly from Buffalo to London?

Use this chart to determine the cheapest time to fly round-trip from Buffalo to London. Price data was last updated on September 15, 2024.

Travelers seeking maximum savings on their Buffalo to London flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Buffalo to London?

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 3, 2025.
Read through reviews of airlines operating flights from Buffalo to London, such as Delta, KLM, and Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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.
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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.
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
7.4
Good
654 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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.

  • What are the cheapest airlines flying from Buffalo to London round-trip?

    British Airways, at $523, was found to be the cheapest airline from Buffalo to London.Alternate airlines to your destination round-trip include JetBlue and American Airlines. British Airways is 29% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Buffalo to London one-way?

    $302 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on JetBlue and Air Canada, with prices starting from $324 and $401, respectively.

  • 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, November is the cheapest month in which you can book a flight from Buffalo to London (average of $661). Flying from Buffalo to London in June is currently the most expensive (average of $1,098). 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 Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Aylesbury
Chelmsford
Brentwood
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Dartford

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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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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$454Average$729FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$554Average$695FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$555Average$787FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$555Average$728FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$581Average$803FlexibilityNo cancel feeOn-time69%
DeltaCheapest$596Average$766FlexibilityNo cancel feeOn-timeN/A

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