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Cheap flights from Buffalo to London from £238

BUF — LON
26 Oct — 2 Nov1
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

Wed 4/1116:16 -
1 stop9h 44m
Tue 10/1110:45 -
2 stops15h 50m
Deal found 22/9£537
Tue 3/1116:16 -
2 stops16h 14m
Wed 11/1110:45 -
2 stops15h 50m
Deal found 21/9£544
Tue 3/1118:45 -
1 stop11h 50m
Wed 11/1106:15 -
2 stops20h 22m
Deal found 21/9£551
Mon 23/1111:17 -
1 stop16h 18m
Tue 1/1219:40 -
2 stops31h 30m
Deal found 21/9£551
Mon 16/1110:51 -
1 stop17h 19m
Wed 18/1106:50 -
2 stops21h 09m
Deal found 22/9£556
Wed 30/907:00 -
1 stop18h 20m
Tue 6/1011:45 -
2 stops17h 14m
Deal found 22/9£557
Wed 4/1115:26 -
2 stops20h 29m
Wed 11/1107:35 -
2 stops19h 02m
Deal found 23/9£558
Tue 8/1218:45 -
1 stop11h 50m
Mon 14/1217:05 -
2 stops34h 39m
Deal found 22/9£559
Wed 4/1115:54 -
2 stops14h 46m
Tue 10/1108:40 -
2 stops15h 33m
Deal found 23/9£560
Mon 5/1012:02 -
2 stops14h 13m
Tue 20/1011:30 -
2 stops17h 29m
Deal found 21/9£561
Thu 5/1119:23 -
2 stops15h 22m
Thu 12/1110:00 -
2 stops18h 57m
Deal found 21/9£609
Sun 8/1119:23 -
2 stops15h 22m
Sun 15/1110:00 -
2 stops18h 57m
Deal found 24/9£663

Find flight deals from Buffalo to London

Round-trip from

£537

One-way from

£238

Popular in

June

Cheapest in

March

Average price

£687
Iberia
  • Iberia
  • 4/11-10/11
  • 3 total stops
  • 25h 34m total
  • Buffalo to London
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JetBlue
  • JetBlue
  • 24/11-31/12
  • 1 total stop
  • 10h 40m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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 Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 24/11

06:00-21:40

1 stop10h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£239
Fastest return journey

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Sat 10/10

06:00-20:45

1 stop9h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£242

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 24/11

06:30-11:20

2 stops23h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£245

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 24/11

10:51-06:40

2 stops14h 49m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 5/10

06:00-20:45

1 stop9h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Sun 8/11

11:20-10:30

1 stop18h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Thu 26/11

06:35-06:50

2 stops19h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 9/11

13:53-09:10

2 stops14h 17m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 6/11

07:00-06:50

2 stops18h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Thu 5/11

06:30-06:40

2 stops19h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

Flights are sorted by cheapest return flights first.

Deals found on 22/9

Showing 1-10 of 42 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

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, January is the cheapest month in which you can book a flight from Buffalo to London (average of £578). Flying from Buffalo to London in June is currently the most expensive (average of £935). 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 typical for this route at the moment.
Buffalo to London flights typically cost between £506 and £811 in November.
The cheapest return price found within the last 5 days was £537 on Iberia (4 Nov–10 Nov).

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

  • 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 52m. Fly via United Airlines, Delta, 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 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, January is the cheapest month in which you can book a flight from Buffalo to London (average of £578). Flying from Buffalo to London in June is currently the most expensive (average of £935). 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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Deals for Buffalo to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Buffalo to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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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