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Cheap flights from Buffalo to London from £222

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 13/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
29 Jun — 6 Jul1
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 30 May 2026.

Sun 8/1117:50
BUF
-
LHR
2 stops32h 20m
United Airlines
Wed 11/1106:50
LHR
-
BUF
2 stops18h 41m
United Airlines
Deal found 27/5£571
Tue 20/1006:00
BUF
-
LHR
1 stop9h 45m
JetBlue
Tue 10/1107:25
LHR
-
BUF
1 stop12h 03m
JetBlue
Deal found 29/5£599
Thu 3/910:30
BUF
-
LHR
1 stop19h 45m
Multiple Airlines
Sun 6/908:40
LHR
-
BUF
1 stop19h 52m
Multiple Airlines
Deal found 27/5£602
Sun 8/1114:58
BUF
-
LHR
1 stop10h 57m
Multiple Airlines
Wed 11/1107:25
LHR
-
BUF
1 stop12h 03m
Multiple Airlines
Deal found 27/5£602
Tue 20/1011:46
BUF
-
LHR
2 stops17h 49m
Multiple Airlines
Tue 10/1107:25
LHR
-
BUF
1 stop16h 36m
Multiple Airlines
Deal found 29/5£608
Sun 1/1114:58
BUF
-
LHR
1 stop15h 37m
Multiple Airlines
Mon 9/1107:25
LHR
-
BUF
1 stop12h 03m
Multiple Airlines
Deal found 29/5£617
Wed 26/810:30
BUF
-
LHR
2 stops24h 55m
SWISS
Fri 11/906:00
LHR
-
BUF
2 stops20h 07m
SWISS
Deal found 26/5£632
Thu 3/910:25
BUF
-
LGW
1 stop18h 10m
JetBlue
Sun 6/912:20
LGW
-
BUF
1 stop12h 04m
JetBlue
Deal found 27/5£633
Wed 26/810:30
BUF
-
LHR
2 stops18h 05m
Air Canada
Fri 11/907:25
LHR
-
BUF
2 stops21h 19m
Air Canada
Deal found 28/5£636
Wed 5/821:54
BUF
-
LGW
1 stop30h 41m
JetBlue
Thu 20/812:20
LGW
-
BUF
1 stop12h 04m
JetBlue
Deal found 30/5£637
Tue 1/1206:24
BUF
-
LGW
2 stops20h 06m
American Airlines
Tue 8/1211:15
LGW
-
BUF
2 stops27h 29m
American Airlines
Deal found 28/5£642
Sun 4/1006:27
BUF
-
LGW
2 stops19h 28m
American Airlines
Sun 18/1012:20
LGW
-
BUF
2 stops27h 24m
American Airlines
Deal found 25/5£643

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 30 May 2026.

Round-trip from

£571

One-way from

£222

Popular in

June

Cheapest in

January

Average price

£613
United Airlines
  • United Airlines
  • 8/11-11/11
  • 4 total stops
  • 51h 01m total
  • Buffalo to London
Search Deals
13/7
  • 13/7
  • 1 total stop
  • 33h 03m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£70 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 May 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 30 May 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 30/9

15:55-13:15

1 stop16h 20m

London Heathrow

Tue 6/10

08:40-18:54

2 stops15h 14m

£646

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 22/7

19:24-13:15

1 stop12h 51m

London Heathrow

Sat 22/8

11:45-23:59

2 stops17h 14m

£646

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 1/11

15:50-10:30

2 stops13h 40m

London Heathrow

Mon 9/11

06:30-18:33

2 stops17h 03m

£649

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Mon 12/10

19:15-16:00

2 stops15h 45m

London Gatwick

Fri 30/10

10:00-23:50

2 stops17h 50m

£654

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Sun 16/8

19:59-16:00

2 stops15h 01m

London Gatwick

Mon 24/8

10:25-23:58

2 stops18h 33m

£654
Fastest return journey

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 5/8

18:10-11:15

1 stop12h 05m

London Heathrow

Thu 20/8

09:45-17:01

1 stop12h 16m

£667

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 7/10

19:35-13:05

1 stop12h 30m

London Heathrow

Mon 12/10

10:45-18:58

1 stop13h 13m

£667

BuffaloLondon

BUF - LCY

BUFLCY

Buffalo

Wed 26/8

15:53-09:30

2 stops12h 37m

London City

Fri 11/9

10:00-23:03

2 stops18h 03m

£667

BuffaloLondon

BUF - LCY

BUFLCY

Buffalo

Fri 11/9

15:50-09:30

2 stops12h 40m

London City

Sat 26/9

10:00-22:36

2 stops17h 36m

£667

BuffaloLondon

BUF - LCY

BUFLCY

Buffalo

Wed 22/7

15:57-09:30

2 stops12h 33m

London City

Sat 22/8

10:00-23:59

2 stops18h 59m

£668

Flights are sorted by cheapest return flights first.

Deals found on 29/5

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, 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 £567). 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.

Chicago (ORD) – chosen by Cheapflights users on 20% 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.

Philadelphia (PHL) is the most affordable one-stop option, with an average return flight price of £486.

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 85 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 05m. Fly via Delta, British Airways, or KLM 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, 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 £567). 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

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Why should you use Cheapflights to find cheap flight tickets from Buffalo to London?

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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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