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Cheap flights from Buffalo to London from C$ 420

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LON
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 4 November 2025.

Round-trip from

C$ 814

One-way from

C$ 420

Popular in

June

Cheapest in

January

Average price

C$ 1,112
KLM
  • KLM
  • 2/12-9/12
  • 3 total stops
  • 26h 34m total
  • Buffalo to London
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JetBlue
  • JetBlue
  • 7/4
  • 1 total stop
  • 11h 01m total
  • Buffalo to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 268 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Find 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 4 November 2025.

Wed 12/115:47 p.m.BUF - LHR
1 stop9h 58mDelta
Thu 27/116:20 a.m.LHR - BUF
2 stops17h 59mDelta
Deal found 3/11C$ 813
Wed 5/117:30 p.m.BUF - LHR
1 stop11h 10mVirgin Atlantic
Thu 20/1111:45 a.m.LHR - BUF
2 stops17h 14mVirgin Atlantic
Deal found 3/11C$ 814
Tue 2/121:16 p.m.BUF - LHR
1 stop14h 29mVirgin Atlantic
Wed 10/1211:30 a.m.LHR - BUF
2 stops16h 28mVirgin Atlantic
Deal found 3/11C$ 828
Tue 2/129:14 a.m.BUF - LHR
2 stops16h 51mDelta
Tue 9/126:20 a.m.LHR - BUF
2 stops15h 50mDelta
Deal found 3/11C$ 834
Tue 2/1211:21 a.m.BUF - LHR
2 stops14h 29mVirgin Atlantic
Tue 9/1211:30 a.m.LHR - BUF
2 stops16h 28mVirgin Atlantic
Deal found 2/11C$ 835
Tue 2/125:50 p.m.BUF - LHR
1 stop9h 55mKLM
Wed 10/128:55 a.m.LHR - BUF
1 stop13h 23mKLM
Deal found 3/11C$ 838
Wed 3/127:00 a.m.BUF - LHR
2 stops28h 00mScandinavian Airlines
Fri 12/126:40 a.m.LHR - BUF
2 stops22h 36mScandinavian Airlines
Deal found 3/11C$ 841
Wed 3/1211:21 a.m.BUF - LHR
1 stop13h 59mDelta
Fri 12/1211:05 a.m.LHR - BUF
2 stops16h 53mDelta
Deal found 3/11C$ 845
Sun 9/111:52 p.m.BUF - LHR
1 stop11h 03mUnited Airlines
Mon 24/1112:05 p.m.LHR - BUF
2 stops50h 58mUnited Airlines
Deal found 3/11C$ 852
Tue 4/117:30 p.m.BUF - LHR
2 stops13h 15mDelta
Tue 11/116:30 a.m.LHR - BUF
2 stops17h 49mDelta
Deal found 3/11C$ 858
Tue 2/1211:48 a.m.BUF - LGW
2 stops22h 57mMultiple Airlines
Tue 9/1210:40 a.m.LGW - BUF
2 stops29h 53mMultiple Airlines
Deal found 2/11C$ 1,131
Sun 7/1211:48 a.m.BUF - LGW
2 stops17h 02mTAP AIR PORTUGAL
Sun 14/1210:40 a.m.LGW - BUF
2 stops27h 40mTAP AIR PORTUGAL
Deal found 2/11C$ 1,232

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 4 November 2025.
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

Tue 2/12

6:25 p.m.-11:40 a.m.

1 stop12h 15m

London Heathrow

Tue 9/12

10:00 a.m.-7:19 p.m.

2 stops14h 19m

C$ 814

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 2/12

1:16 p.m.-8:45 a.m.

1 stop14h 29m

London Heathrow

Wed 10/12

11:30 a.m.-10:58 p.m.

2 stops16h 28m

C$ 828

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 2/12

9:14 a.m.-7:05 a.m.

2 stops16h 51m

London Heathrow

Tue 9/12

6:20 a.m.-5:10 p.m.

2 stops15h 50m

C$ 834

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 2/12

9:14 a.m.-7:05 a.m.

2 stops16h 51m

London Heathrow

Wed 10/12

6:20 a.m.-7:19 p.m.

2 stops17h 59m

C$ 834

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 2/12

11:21 a.m.-6:50 a.m.

2 stops14h 29m

London Heathrow

Tue 9/12

11:30 a.m.-10:58 p.m.

2 stops16h 28m

C$ 835

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 3/12

3:55 p.m.-8:05 a.m.

1 stop11h 10m

London Heathrow

Fri 12/12

8:55 a.m.-5:18 p.m.

1 stop13h 23m

C$ 838

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 2/12

6:25 p.m.-11:40 a.m.

1 stop12h 15m

London Heathrow

Wed 10/12

4:35 p.m.-12:07 a.m.

1 stop12h 32m

C$ 838

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 3/12

7:00 a.m.-4:00 p.m.

2 stops28h 00m

London Heathrow

Fri 12/12

6:40 a.m.-12:16 a.m.

2 stops22h 36m

C$ 841

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 11/3

11:15 a.m.-9:20 a.m.

2 stops18h 05m

London Heathrow

Wed 18/3

6:40 a.m.-11:49 p.m.

2 stops21h 09m

C$ 841

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Thu 8/1

9:08 a.m.-6:00 a.m.

2 stops39h 52m

London Gatwick

Thu 15/1

2:00 p.m.-8:16 a.m.

1 stop23h 16m

C$ 904

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 29 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 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

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

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to London. Price data was last updated on 31 October 2025.

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, December is the cheapest month in which you can book a flight from Buffalo to London (average of C$ 581). Flying from Buffalo to London in June is currently the most expensive (average of C$ 1,061). 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.

What is the cheapest time of day to fly from BUF to LON?

Find hourly flight availability from Buffalo to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 November 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to London in the evening. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Buffalo to London?

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.

New York (JFK) – chosen by Cheapflights users on 47% 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.

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of C$ 648.

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 New York (JFK) have the shortest average one-way travel time for 1-stop routes: 9h 37m.

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 Philadelphia (PHL) offer the fastest connection on this route, with an average layover time of 1h 20m.

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 4 November 2025.
Check out reviews from past customers who have flown with KLM,Virgin Atlantic, andUnited Airlines 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.
KLM
7.7
Good
1,405 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
671 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
8,997 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
JetBlue
7.2
Good
2,907 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,494 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 2 airlines. 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 12h 15m. Fly via KLM, Virgin Atlantic, or Delta 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 are the cheapest airlines flying from Buffalo to London round-trip?

    British Airways, at C$ 648, was found to be the cheapest airline from Buffalo to London. An alternate airline flying to your destination would be JetBlue. British Airways is currently priced 38% 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, December is the cheapest month in which you can book a flight from Buffalo to London (average of C$ 581). Flying from Buffalo to London in June is currently the most expensive (average of C$ 1,061). 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
Sutton
Twickenham
Slough
Marlow
Milton Keynes
Romford
Watford
Bedford
Luton
Gatwick
Hounslow

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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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights

Top 2 airlines flying from Buffalo to London

Discover the top 2 airlines 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 4 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 648AverageC$ 661FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapestC$ 902AverageC$ 1,487FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

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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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