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Cheap flights from Buffalo to London from £163

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
26 Mar — 2 Apr1
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 24 February 2026.

Wed 12/810:00
BUF
-
LGW
1 stop18h 35m
JetBlue
Wed 26/812:20
LGW
-
BUF
1 stop16h 19m
JetBlue
Deal found 20/2£480
Wed 12/810:21
BUF
-
LHR
2 stops17h 14m
United Airlines
Wed 26/806:50
LHR
-
BUF
2 stops14h 57m
United Airlines
Deal found 21/2£480
Tue 11/806:00
BUF
-
LHR
1 stop10h 35m
United Airlines
Tue 25/807:25
LHR
-
BUF
2 stops18h 06m
United Airlines
Deal found 20/2£482
Tue 24/206:00
BUF
-
LHR
1 stop10h 40m
JetBlue
Tue 10/309:20
LHR
-
BUF
1 stop16h 05m
JetBlue
Deal found 20/2£485
Tue 11/813:26
BUF
-
LGW
1 stop15h 09m
JetBlue
Tue 25/812:20
LGW
-
BUF
1 stop16h 19m
JetBlue
Deal found 20/2£495
Mon 4/519:39
BUF
-
LHR
1 stop20h 06m
JetBlue
Wed 20/511:55
LHR
-
BUF
1 stop14h 30m
JetBlue
Deal found 21/2£496
Sun 1/306:00
BUF
-
LHR
1 stop9h 45m
JetBlue
Wed 4/307:25
LHR
-
BUF
1 stop21h 07m
JetBlue
Deal found 24/2£497
Wed 22/710:00
BUF
-
LGW
1 stop18h 35m
JetBlue
Sat 22/812:20
LGW
-
BUF
1 stop16h 19m
JetBlue
Deal found 23/2£497
Mon 27/409:48
BUF
-
LHR
1 stop15h 42m
JetBlue
Mon 4/508:15
LHR
-
BUF
1 stop18h 10m
JetBlue
Deal found 21/2£500
Mon 13/420:59
BUF
-
LHR
1 stop18h 46m
JetBlue
Fri 8/508:40
LHR
-
BUF
1 stop19h 17m
JetBlue
Deal found 23/2£500
Wed 5/806:00
BUF
-
LHR
1 stop10h 35m
United Airlines
Thu 20/816:00
LHR
-
BUF
1 stop11h 55m
United Airlines
Deal found 23/2£502
Wed 16/906:00
BUF
-
LHR
1 stop10h 35m
United Airlines
Wed 23/909:30
LHR
-
BUF
2 stops18h 56m
United Airlines
Deal found 22/2£505

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 24 February 2026.

Round-trip from

£480

One-way from

£163

Popular in

June

Cheapest in

October

Average price

£577
JetBlue
  • JetBlue
  • 12/8-26/8
  • 2 total stops
  • 34h 54m total
  • Buffalo to London
Search Deals
United Airlines
  • United Airlines
  • 11/8
  • 2 total stops
  • 15h 25m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 24 February 2026.
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

Mon 20/4

09:48-06:30

1 stop15h 42m

London Heathrow

Tue 5/5

08:15-21:25

1 stop18h 10m

£526

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 5/8

10:34-06:30

2 stops14h 56m

London Heathrow

Fri 14/8

16:40-23:26

1 stop11h 46m

£532

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 5/8

19:25-13:45

2 stops13h 20m

London Heathrow

Thu 20/8

16:20-23:56

1 stop12h 36m

£550

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 7/5

07:00-06:20

1 stop18h 20m

London Heathrow

Fri 15/5

11:45-00:19

2 stops17h 34m

£563

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 6/8

07:00-08:30

1 stop20h 30m

London Heathrow

Fri 14/8

08:00-20:31

1 stop17h 31m

£566

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 23/4

07:00-06:20

1 stop18h 20m

London Heathrow

Fri 8/5

11:30-23:59

2 stops17h 29m

£568

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 7/5

14:45-06:55

1 stop11h 10m

London Heathrow

Fri 15/5

08:00-18:35

2 stops15h 35m

£587

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 21/5

06:00-21:35

1 stop10h 35m

London Heathrow

Tue 26/5

06:50-23:59

2 stops22h 09m

£623

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 3/4

14:54-06:55

1 stop11h 01m

London Heathrow

Sat 11/4

09:30-18:14

2 stops13h 44m

£623

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Wed 22/7

12:50-09:25

2 stops15h 35m

London Gatwick

Sat 22/8

10:25-23:56

2 stops18h 31m

£632

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 60 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 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 20 February 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, August is the cheapest month in which you can book a flight from Buffalo to London (average of £348). Flying from Buffalo to London in June is currently the most expensive (average of £559). 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.

New York (JFK) is the most affordable one-stop option, with an average return flight price of £433.

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 45m.

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 15h 35m. Fly via JetBlue, United Airlines, or Delta to get the fastest option. There are 3560 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, August is the cheapest month in which you can book a flight from Buffalo to London (average of £348). Flying from Buffalo to London in June is currently the most expensive (average of £559). 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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Why should you use Cheapflights to find cheap flight tickets from Buffalo to 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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