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$213+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Buffalo to London are usually found in January or April, 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 September 17, 2025.

Round-trip from

$522
(United Airlines)

One-way from

$213
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$658
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. 13% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/17. 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 10/157:45 pmBUF - LHR
1 stop9h 55mUnited Airlines
Wed 10/226:50 amLHR - BUF
2 stops15h 03mUnited Airlines
Deal found 9/17$522
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:07 amBUF - LHR
2 stops18h 23mAir Canada
Wed 10/229:30 amLHR - BUF
2 stops16h 43mAir Canada
Deal found 9/16$523
This Delta deal was found by Cheapflights users on 9/17. 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 10/111:10 amBUF - LHR
1 stop17h 05mDelta
Wed 10/811:30 amLHR - BUF
2 stops17h 26mDelta
Deal found 9/17$525
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:30 pmBUF - LHR
1 stop13h 00mKLM
Tue 10/2110:55 amLHR - BUF
1 stop13h 00mKLM
Deal found 9/15$532
This KLM deal was found by Cheapflights users on 9/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:51 pmBUF - LHR
1 stop11h 59mKLM
Wed 10/810:55 amLHR - BUF
1 stop13h 00mKLM
Deal found 9/17$533
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:56 pmBUF - LHR
2 stops16h 14mDelta
Fri 10/173:45 pmLHR - BUF
1 stop13h 11mDelta
Deal found 9/14$536
This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:55 pmBUF - LHR
1 stop32h 20mVirgin Atlantic
Mon 10/278:00 pmLHR - BUF
1 stop18h 31mVirgin Atlantic
Deal found 9/16$541
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2212:06 pmBUF - LHR
1 stop13h 39mVirgin Atlantic
Mon 11/34:35 pmLHR - BUF
1 stop12h 21mVirgin Atlantic
Deal found 9/17$542
This Expedia deal was found by Cheapflights users on 9/16. 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.
Tue 10/217:55 pmBUF - LHR
1 stop10h 05mMultiple Airlines
Mon 11/37:20 pmLHR - BUF
2 stops24h 50mMultiple Airlines
Deal found 9/16$543
This Netflights deal was found by Cheapflights users on 9/16. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:55 pmBUF - LHR
1 stop10h 05mVirgin Atlantic
Mon 11/34:35 pmLHR - BUF
1 stop12h 21mVirgin Atlantic
Deal found 9/16$549
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/301:52 pmBUF - LHR
1 stop12h 03mUnited Airlines
Thu 11/66:35 amLHR - BUF
2 stops21h 23mUnited Airlines
Deal found 9/15$567
This JetBlue deal was found by Cheapflights users on 9/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:46 pmBUF - LGW
1 stop9h 49mJetBlue
Mon 10/2012:10 pmLGW - BUF
1 stop13h 50mJetBlue
Deal found 9/15$599

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 September 17, 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 10/14

4:35 pm-1:30 pm

1 stop15h 55m

London Heathrow

Tue 10/28

8:55 am-11:43 pm

2 stops18h 48m

$525

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 10/1

11:10 am-9:15 am

1 stop17h 05m

London Heathrow

Wed 10/8

11:30 am-11:56 pm

2 stops17h 26m

$525

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 10/7

7:55 pm-11:00 am

1 stop10h 05m

London Heathrow

Fri 10/17

4:05 pm-11:56 pm

1 stop12h 51m

$532

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 10/15

7:45 pm-10:40 am

1 stop9h 55m

London Heathrow

Wed 10/22

11:05 am-9:13 pm

1 stop15h 08m

$532

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 10/7

3:56 pm-1:10 pm

2 stops16h 14m

London Heathrow

Fri 10/17

3:45 pm-11:56 pm

1 stop13h 11m

$536

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 10/30

1:52 pm-5:55 am

1 stop12h 03m

London Heathrow

Thu 11/6

6:35 am-10:58 pm

2 stops21h 23m

$567

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 10/16

5:55 pm-11:45 am

1 stop12h 50m

London Heathrow

Thu 10/23

6:50 am-4:53 pm

2 stops15h 03m

$571

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 9/25

7:45 pm-10:40 am

1 stop9h 55m

London Heathrow

Wed 10/1

7:45 am-6:32 pm

2 stops15h 47m

$571

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Thu 10/16

2:04 pm-9:35 am

1 stop14h 31m

London Gatwick

Mon 10/20

12:10 pm-9:00 pm

1 stop13h 50m

$599

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Wed 10/15

6:46 pm-9:35 am

1 stop9h 49m

London Gatwick

Mon 10/20

12:10 pm-9:00 pm

1 stop13h 50m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 53 results
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2
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6

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 September 12, 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 $1,097). 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 September 17, 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.

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 September 17, 2025.
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
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

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
664 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

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
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

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
2,914 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

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
7,367 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

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?

    Delta and JetBlue can get you from Buffalo to London in just under 14h 31m. Your travel time can differ by up to 1h 24m. The distance between Buffalo and London is about 3560 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?

    JetBlue, at $414, was found to be the cheapest airline from Buffalo to London.Alternate airlines to your destination round-trip include United Airlines and American Airlines. JetBlue is 45% 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?

    $314 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on United Airlines and British Airways, with prices starting from $495 and $522, 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 $1,097). 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
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
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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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$414Average$689FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$451Average$793FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$522Average$779FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$534Average$725FlexibilityNo cancel feeOn-time70%
DeltaCheapest$596Average$785FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$635Average$698FlexibilityNo cancel feeOn-time72%

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