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Cheap flights from Buffalo to London from C$ 453

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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
8 Sep — 15 Sep1
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 9 August 2026.

Wed 4/113:53 p.m. -
1 stop10h 22m
Tue 10/116:30 a.m. -
2 stops16h 30m
Deal found 7/8C$ 1,207
Tue 17/1110:51 a.m. -
2 stops15h 19m
Tue 24/116:50 a.m. -
2 stops15h 12m
Deal found 8/8C$ 1,211
Mon 24/86:54 p.m. -
1 stop34h 06m
Thu 3/92:00 p.m. -
1 stop33h 09m
Deal found 7/8C$ 1,225
Tue 8/99:29 p.m. -
1 stop31h 31m
Sat 12/92:00 p.m. -
1 stop32h 45m
Deal found 5/8C$ 1,228
Sat 12/99:15 a.m. -
1 stop16h 15m
Sun 18/108:15 a.m. -
1 stop20h 35m
Deal found 7/8C$ 1,233
Tue 22/97:59 p.m. -
1 stop9h 41m
Fri 2/1011:05 a.m. -
1 stop14h 42m
Deal found 6/8C$ 1,247
Fri 18/92:23 p.m. -
1 stop11h 07m
Fri 25/98:40 a.m. -
1 stop15h 53m
Deal found 5/8C$ 1,249
Sun 6/1210:50 a.m. -
1 stop14h 05m
Tue 8/1212:05 p.m. -
1 stop11h 21m
Deal found 8/8C$ 1,251
Wed 9/129:00 a.m. -
2 stops17h 50m
Sun 13/126:30 a.m. -
2 stops17h 49m
Deal found 5/8C$ 1,254
Wed 23/93:53 p.m. -
2 stops16h 12m
Sun 27/911:45 a.m. -
2 stops17h 27m
Deal found 9/8C$ 1,256
Fri 4/96:54 p.m. -
1 stop34h 06m
Wed 9/92:00 p.m. -
1 stop32h 45m
Deal found 5/8C$ 1,261
Tue 1/127:59 p.m. -
2 stops14h 46m
Sat 12/1210:00 a.m. -
2 stops18h 59m
Deal found 8/8C$ 1,264

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 9 August 2026.

Round-trip from

C$ 1,207

One-way from

C$ 453

Popular in

June

Cheapest in

March

Average price

C$ 1,240
Delta
  • Delta
  • 13/10-23/10
  • 3 total stops
  • 36h 39m total
  • Buffalo to London
Search Deals
United Airlines
  • United Airlines
  • 24/11
  • 2 total stops
  • 19h 40m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 322 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 9 August 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 round-trip
Quickest round-trip

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 4/11

3:53 p.m.-7:15 a.m.

1 stop10h 22m

London Heathrow

Tue 10/11

6:30 a.m.-6:00 p.m.

2 stops16h 30m

C$ 1,207

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 18/9

2:23 p.m.-6:30 a.m.

1 stop11h 07m

London Heathrow

Fri 25/9

8:40 a.m.-7:33 p.m.

1 stop15h 53m

C$ 1,249

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 1/12

9:00 a.m.-7:05 a.m.

2 stops17h 05m

London Heathrow

Sat 12/12

6:30 a.m.-7:19 p.m.

2 stops17h 49m

C$ 1,254

BuffaloLondon

BUF Buffalo - LGW London Gatwick

BUFLGW

Buffalo

Tue 1/12

7:59 p.m.-3:45 p.m.

2 stops14h 46m

London Gatwick

Sat 12/12

10:00 a.m.-11:59 p.m.

2 stops18h 59m

C$ 1,264

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 6/1

11:20 a.m.-6:50 a.m.

2 stops14h 30m

London Heathrow

Sat 16/1

8:55 a.m.-6:54 p.m.

2 stops14h 59m

C$ 1,276

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Mon 24/8

6:55 a.m.-6:45 a.m.

1 stop18h 50m

London Heathrow

Sun 6/9

6:50 a.m.-4:56 p.m.

2 stops15h 06m

C$ 1,289

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Fri 4/9

6:00 a.m.-9:25 p.m.

1 stop10h 25m

London Heathrow

Thu 24/9

6:50 a.m.-11:50 p.m.

2 stops22h 00m

C$ 1,290

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Thu 3/9

6:00 a.m.-9:20 p.m.

1 stop10h 20m

London Heathrow

Mon 7/9

6:50 a.m.-9:07 p.m.

2 stops19h 17m

C$ 1,290

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 1/9

3:53 p.m.-7:15 a.m.

1 stop10h 22m

London Heathrow

Fri 11/9

9:55 a.m.-10:35 p.m.

2 stops17h 40m

C$ 1,290

BuffaloLondon

BUF Buffalo - LGW London Gatwick

BUFLGW

Buffalo

Mon 24/8

6:54 p.m.-10:00 a.m.

1 stop34h 06m

London Gatwick

Sun 6/9

2:00 p.m.-6:09 p.m.

1 stop33h 09m

C$ 1,341

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 36 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 round-trip 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 C$ 922). Flying from Buffalo to London in June is currently the most expensive (average of C$ 1,725). 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 to fly round-trip from Buffalo to London?

Airfare is typical for this route at the moment.
Buffalo to London flights typically cost between C$ 1,143 and C$ 1,370 in November.
The cheapest round-trip price found within the last 5 days was C$ 1,207 on Delta (4 Nov-10 Nov).

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

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

Boston (BOS) – chosen by Cheapflights users on 85% of one-stop itineraries from Buffalo to London on Cheapflights.

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

Average round-trip fare for 1-stop flights from Buffalo to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Detroit (DTW) is the most affordable 1-stop option, with an average round-trip price of C$ 726.

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

Shortest average travel time for 1-stop one-way flights from Buffalo to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 11h 05m.

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

Average layover duration for 1-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 layover time of 1h 50m.

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

The best time to book flights from Buffalo to London is 48 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.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 9 August 2026.
Check out reviews from past customers who have flown with JetBlue from Buffalo to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.1
Good
3,032 reviews
Check prices

Boarding

7.3

Comfort

7.5

Crew

7.9

Overall

7.1

Food

6.6

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

ISP - FLL

Had a four delay with family of 5 was not a great day.
JetBlue
7.1
Good
3,032 reviews
JetBlue
7.1
Good
3,032 reviews
Check prices

Boarding

7.3

Comfort

7.5

Crew

7.9

Overall

7.1

Food

6.6

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

ISP - FLL

Had a four delay with family of 5 was not a great day.

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?

    Most people fly from Buffalo (BUF) if they book a flight from Buffalo to London. On average, Buffalo has 0 outbound flights to London per day from 1 airline. Buffalo is conveniently located just 13.4 km from Buffalo’s city centre.

  • How long is the flight from Buffalo to London?

    There are many flights that can get you from Buffalo to London in 10h 51m. Fly via Delta or JetBlue to get the fastest option. The distance from Buffalo to London is about 5697 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Buffalo to London round-trip?

    JetBlue, at C$ 923, was found to be the cheapest airline from Buffalo to London.. JetBlue is currently priced 21% below the average price you’ll pay for this route.

  • 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 vacation 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 C$ 922). Flying from Buffalo to London in June is currently the most expensive (average of C$ 1,725). 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?

Book flights to London if you plan to visit one of these locations
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Luton
Slough
Marlow
Cobham
Hounslow
Watford
High Wycombe

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Buffalo to London

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Heathrow flights
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Gatwick flights

Top airline flying from Buffalo to London

Discover the top airline that operate flights from Buffalo to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 9 August 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapestC$ 923AverageC$ 1,477FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buffalo to London?

Cheapflights helps you search for flights from Buffalo to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Buffalo to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Buffalo to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Buffalo to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Buffalo today and book when prices fit your budget.

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