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Cheap flights from Buffalo to London from £239

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to London

Enter your travel dates to find the best prices.

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 25 July 2026.

Thu 15/1020:54
BUF
-
LGW
1 stop32h 06m
Multiple Airlines
Thu 29/1011:00
LGW
-
BUF
2 stops53h 18m
Multiple Airlines
Deal found 20/7£525
Tue 18/810:09
BUF
-
LGW
2 stops18h 51m
Multiple Airlines
Tue 25/814:00
LGW
-
BUF
1 stop33h 09m
Multiple Airlines
Deal found 21/7£542
Thu 1/1020:54
BUF
-
LGW
1 stop32h 06m
Multiple Airlines
Fri 9/1014:00
LGW
-
BUF
2 stops27h 18m
Multiple Airlines
Deal found 21/7£544
Tue 8/921:29
BUF
-
LGW
1 stop31h 31m
Multiple Airlines
Wed 16/914:00
LGW
-
BUF
1 stop32h 34m
Multiple Airlines
Deal found 24/7£557
Tue 1/910:25
BUF
-
LGW
1 stop18h 10m
JetBlue
Sun 6/912:20
LGW
-
BUF
1 stop16h 48m
JetBlue
Deal found 23/7£567
Tue 13/1018:56
BUF
-
LGW
1 stop34h 04m
Multiple Airlines
Tue 20/1014:00
LGW
-
BUF
2 stops27h 18m
Multiple Airlines
Deal found 21/7£569
Wed 23/914:23
BUF
-
LHR
1 stop11h 07m
JetBlue
Wed 30/908:40
LHR
-
BUF
1 stop15h 53m
JetBlue
Deal found 22/7£587
Tue 4/821:09
BUF
-
LGW
1 stop31h 51m
Multiple Airlines
Tue 27/1010:10
LGW
-
BUF
2 stops30h 08m
Multiple Airlines
Deal found 25/7£589
Mon 14/906:00
BUF
-
LHR
1 stop9h 45m
JetBlue
Tue 6/1008:15
LHR
-
BUF
1 stop11h 28m
JetBlue
Deal found 24/7£598
Tue 8/910:25
BUF
-
LHR
1 stop15h 05m
JetBlue
Wed 16/908:40
LHR
-
BUF
1 stop15h 53m
JetBlue
Deal found 24/7£602
Tue 6/1014:30
BUF
-
LHR
1 stop11h 00m
JetBlue
Wed 4/1107:25
LHR
-
BUF
1 stop12h 03m
JetBlue
Deal found 22/7£604
Tue 1/910:25
BUF
-
LHR
1 stop15h 05m
JetBlue
Sun 6/908:15
LHR
-
BUF
1 stop16h 55m
JetBlue
Deal found 23/7£618

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 25 July 2026.

Round-trip from

£524

One-way from

£239

Popular in

June

Cheapest in

March

Average price

£739
8/9-16/9
  • 8/9-16/9
  • 2 total stops
  • 64h 05m total
  • Buffalo to London
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 7/9
  • 1 total stop
  • 10h 22m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£94 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 25 July 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 return flight

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 23/9

10:33-05:55

2 stops14h 22m

London Heathrow

Wed 30/9

06:50-16:43

2 stops14h 53m

£652

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Wed 19/8

18:54-10:00

1 stop34h 06m

London Gatwick

Sun 23/8

14:00-18:09

1 stop33h 09m

£659

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 10/9

16:30-09:30

1 stop12h 00m

London Heathrow

Mon 21/9

11:55-23:50

1 stop16h 55m

£665

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 8/9

10:25-06:30

1 stop15h 05m

London Heathrow

Tue 15/9

11:55-18:33

1 stop11h 38m

£670

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 2/10

10:30-07:15

1 stop15h 45m

London Heathrow

Fri 9/10

06:50-20:47

2 stops18h 57m

£672

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 24/10

16:00-10:30

1 stop13h 30m

London Heathrow

Wed 28/10

07:25-19:01

1 stop15h 36m

£672

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 15/10

17:45-11:55

1 stop13h 10m

London Heathrow

Thu 29/10

06:50-18:51

2 stops16h 01m

£672
Fastest return journey

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 24/10

06:30-21:25

1 stop9h 55m

London Heathrow

Wed 28/10

06:50-18:51

2 stops16h 01m

£673

BuffaloLondon

BUF - LCY

BUFLCY

Buffalo

Wed 4/11

14:54-09:15

2 stops13h 21m

London City

Tue 10/11

09:50-23:21

2 stops18h 31m

£677

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Wed 23/9

19:55-16:00

2 stops15h 05m

London Gatwick

Wed 30/9

10:25-23:53

2 stops18h 28m

£681

Flights are sorted by cheapest return flights first.

Deals found on 21/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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 return 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, February is the cheapest month in which you can book a flight from Buffalo to London (average of £497). Flying from Buffalo to London in June is currently the most expensive (average of £940). 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 for a return flight from Buffalo to London?

Airfare is below average for this route at the moment.
Buffalo to London flights typically cost between £590 and £727 in September.
The cheapest return price found within the last 5 days was £524 on Multiple Airlines (8 Sept–16 Sept).

What’s the top stopover airport for flights from Buffalo to London?

Share of one-stop return flights from Buffalo to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Chicago (ORD) – chosen by Cheapflights users on 50% of one-stop itineraries from Buffalo to London on Cheapflights.

What’s the cheapest stopover airport for flights from Buffalo to London?

Average return fare for one-stop flights from Buffalo to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

New York (JFK) is the most affordable one-stop option, with an average return flight price of £528.

What’s the fastest stopover option from Buffalo to London?

Shortest average travel time for one-stop one-way flights from Buffalo to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via New York (JFK) have the shortest average one-way travel time for one-stop routes: 9h 52m.

Which airport typically offers the quickest stopover for flights from Buffalo to London?

Average stopover duration for one-stop one-way flights from Buffalo to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average stopover time of 1h 10m.

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

The best time to book flights from Buffalo to London is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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?

    If you book a flight to London from Buffalo, you will be flying from Buffalo, which is the city’s only airport. Buffalo (BUF) is located 8.3 mi from the center of Buffalo. There are 0 flights from Buffalo to London per day from 0 different airlines.

  • How long is the flight from Buffalo to London?

    There are many flights that can get you from Buffalo to London in 12h. Fly via United Airlines, JetBlue, or Lufthansa to get the fastest option. There are 3540 mi between Buffalo and London. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Buffalo to London?

    While some choose either Buffalo - London Gatwick or Buffalo - London Stansted, Buffalo - London Heathrow is the most popular route from Buffalo to London.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from Buffalo to London (average of £497). Flying from Buffalo to London in June is currently the most expensive (average of £940). 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

Travelling to a place near London?

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Can Cheapflights find flights from Buffalo to London with no change fees?

Yes! Cheapflights helps users easily find flights from Buffalo to London with no change fees.

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Of course! You can now track prices for flights from Buffalo to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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