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Cheap flights from Buffalo to London from £244

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
21 May — 28 May1
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 21 April 2026.

Tue 25/807:00
BUF
-
LHR
1 stop18h 20m
Virgin Atlantic
Sat 12/911:45
LHR
-
BUF
1 stop12h 15m
Virgin Atlantic
Deal found 20/4£527
Wed 26/811:15
BUF
-
LHR
1 stop14h 05m
Virgin Atlantic
Fri 11/911:20
LHR
-
BUF
1 stop12h 40m
Virgin Atlantic
Deal found 17/4£528
Thu 27/819:15
BUF
-
LHR
1 stop10h 05m
Virgin Atlantic
Fri 11/915:50
LHR
-
BUF
1 stop13h 06m
Virgin Atlantic
Deal found 17/4£534
Fri 1/514:34
BUF
-
LHR
1 stop11h 11m
Delta
Fri 8/508:20
LHR
-
BUF
1 stop11h 42m
Delta
Deal found 19/4£539
Wed 5/815:50
BUF
-
LHR
1 stop15h 15m
Delta
Thu 20/806:30
LHR
-
BUF
2 stops17h 30m
Delta
Deal found 20/4£540
Thu 7/512:04
BUF
-
LHR
2 stops15h 46m
Delta
Fri 15/511:45
LHR
-
BUF
2 stops17h 34m
Delta
Deal found 20/4£543
Sat 9/512:04
BUF
-
LHR
2 stops15h 46m
Delta
Sun 17/511:45
LHR
-
BUF
2 stops17h 34m
Delta
Deal found 17/4£544
Thu 7/519:39
BUF
-
LHR
1 stop12h 36m
KLM
Fri 15/511:45
LHR
-
BUF
1 stop12h 30m
KLM
Deal found 20/4£544
Sat 18/412:50
BUF
-
LHR
1 stop13h 20m
KLM
Tue 28/416:20
LHR
-
BUF
1 stop13h 30m
KLM
Deal found 17/4£545
Wed 22/712:03
BUF
-
LHR
2 stops14h 12m
Delta
Sat 22/811:15
LHR
-
BUF
1 stop17h 43m
Delta
Deal found 19/4£548
Sun 10/507:00
BUF
-
LHR
1 stop19h 15m
Delta
Wed 20/506:30
LHR
-
BUF
2 stops17h 21m
Delta
Deal found 16/4£551
Sun 10/515:53
BUF
-
LHR
1 stop15h 12m
Delta
Sun 17/511:45
LHR
-
BUF
2 stops17h 34m
Delta
Deal found 16/4£552

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 21 April 2026.

Round-trip from

£527

One-way from

£244

Popular in

June

Cheapest in

October

Average price

£641
Virgin Atlantic
  • Virgin Atlantic
  • 25/8-12/9
  • 2 total stops
  • 30h 35m total
  • Buffalo to London
Search Deals
SWISS
  • SWISS
  • 16/9
  • 2 total stops
  • 21h 06m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 21 April 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

Thu 7/5

07:00-07:15

1 stop19h 15m

London Heathrow

Fri 15/5

06:30-18:51

2 stops17h 21m

£539

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 9/5

17:11-13:15

1 stop15h 04m

London Heathrow

Sun 17/5

11:45-00:19

2 stops17h 34m

£540

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 9/5

15:53-06:45

1 stop9h 52m

London Heathrow

Fri 22/5

11:45-00:19

2 stops17h 34m

£540

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 5/8

19:19-13:15

1 stop12h 56m

London Heathrow

Thu 20/8

08:40-19:00

2 stops15h 20m

£540

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 9/5

15:53-10:20

1 stop13h 27m

London Heathrow

Fri 22/5

16:05-00:19

1 stop13h 14m

£544

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 15/8

07:00-06:20

1 stop18h 20m

London Heathrow

Sat 29/8

16:20-23:56

1 stop12h 36m

£544

BuffaloLondon

BUF - LCY

BUFLCY

Buffalo

Tue 25/8

11:15-07:15

2 stops15h 00m

London City

Sat 12/9

10:00-23:56

2 stops18h 56m

£578
Fastest return journey

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 24/7

12:16-06:25

1 stop13h 09m

London Heathrow

Thu 6/8

16:20-00:40

1 stop13h 20m

£623

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 7/8

15:50-10:45

2 stops13h 55m

London Heathrow

Mon 10/8

11:45-23:56

1 stop17h 11m

£646

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 6/8

19:19-13:15

1 stop12h 56m

London Heathrow

Fri 14/8

11:45-23:56

2 stops17h 11m

£657

Flights are sorted by cheapest return flights first.

Deals found on 16/4

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

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

Use this chart to determine the optimal time to book a return flight from Buffalo to London. Price data was last updated on 17 April 2026.

The best time to book flights from Buffalo to London is 76 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.

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 £65). Flying from Buffalo to London in June is currently the most expensive (average of £530). 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?

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.

Boston (BOS) – chosen by Cheapflights users on 43% 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.

Boston (BOS) is the most affordable one-stop option, with an average return flight price of £465.

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.

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 11h 41m. Fly via Virgin Atlantic, Delta, or Turkish Airlines 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 City, 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, April is the cheapest month in which you can book a flight from Buffalo to London (average of £65). Flying from Buffalo to London in June is currently the most expensive (average of £530). 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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Watford
Kingston upon Thames
Romford
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Southend-on-Sea
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Chelmsford

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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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