What are the cheapest airlines flying from Buffalo to London round-trip?

JetBlue, at $596, was found to be the cheapest airline from Buffalo to London.Alternate airlines to your destination round-trip include KLM and Delta. JetBlue is 20% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Buffalo to London one-way?

$393 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Aer Lingus and United Airlines, with prices starting from $412 and $436, respectively.

What are the most popular routes from Buffalo to London?

When deciding which route to take from Buffalo to London consider Buffalo - London Heathrow, Buffalo - London Gatwick or Buffalo - London City as they are the most popular.

What are the most popular airlines that fly from Buffalo to London?

Consider American Airlines, JetBlue or British Airways when booking your flight. These represent the most popular airlines when flying from Buffalo to London.

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

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 22% on the overall cost on flights from Buffalo to London.

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

Find a great deal and save up to 10% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Buffalo to London within the next two weeks, with the cheapest ticket starting at $588.

What is the cheapest month to fly from Buffalo to London?

Our data shows that January tends to be the cheapest month to fly to London from Buffalo. Users have commonly found prices around $753 for the month, but tickets can be as low as $533. Due to multiple factors, prepare for potentially higher prices in June.

Most accurate provider : When it comes to deals on Buffalo-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Buffalo-London flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Buffalo-London flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Buffalo-London flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Buffalo to London?

Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to London. You should not have trouble finding flights to London from Buffalo; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Buffalo airport to London. It is only a 8.3 mi journey to Buffalo (BUF) from Buffalo’s city center.

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.

$293+ Flights from Buffalo to London

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Buffalo to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Buffalo to London are usually found in January or October, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Buffalo to London

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$596 (JetBlue)
One-way from	$386 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$651

Provider with most accurate pricing for Buffalo-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Buffalo-London (LON) flights.

Search Deals

From Buffalo to London (LON)

Search Deals

One-way flight from Buffalo to London (LON)

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($168 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Buffalo to London

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 April 15, 2025.

Tue 9/302:00 pmBUF - LGW

1 stop14h 35mJetBlue

Sun 10/512:10 pmLGW - BUF

1 stop13h 46mJetBlue

Deal found 4/14

$567

Thu 4/1711:29 amBUF - LHR

1 stop28h 16mJetBlue

Thu 5/18:25 amLHR - BUF

1 stop14h 17mJetBlue

Deal found 4/15

$587

Wed 7/303:58 pmBUF - LGW

1 stop13h 02mDelta

Wed 8/1312:00 pmLGW - BUF

1 stop12h 06mDelta

Deal found 4/13

$607

Sun 5/117:28 pmBUF - LGW

1 stop33h 32mMultiple Airlines

Fri 5/162:00 pmLGW - BUF

1 stop25h 48mMultiple Airlines

Deal found 4/14

$629

Tue 9/93:58 pmBUF - LHR

1 stop12h 17mDelta

Thu 9/1811:45 amLHR - BUF

2 stops17h 05mDelta

Deal found 4/14

$642

Sun 8/37:20 pmBUF - LHR

1 stop12h 50mKLM

Thu 8/143:15 pmLHR - BUF

1 stop13h 44mKLM

Deal found 4/13

$648

Fri 8/13:58 pmBUF - LGW

1 stop13h 02mAir France

Fri 8/1512:00 pmLGW - BUF

1 stop12h 06mAir France

Deal found 4/13

$657

Tue 5/63:54 pmBUF - LHR

1 stop11h 11mBritish Airways

Tue 5/136:10 amLHR - BUF

2 stops21h 41mBritish Airways

Deal found 4/14

$684

Mon 4/287:00 amBUF - LHR

2 stops22h 00mAir Canada

Tue 5/69:30 amLHR - BUF

2 stops36h 25mAir Canada

Deal found 4/15

$687

Tue 5/66:45 amBUF - LHR

1 stop18h 35mUnited Airlines

Tue 5/131:45 pmLHR - BUF

2 stops15h 12mUnited Airlines

Deal found 4/15

$692

Tue 8/193:58 pmBUF - LHR

1 stop12h 17mVirgin Atlantic

Sun 8/3111:20 amLHR - BUF

2 stops16h 02mVirgin Atlantic

Deal found 4/13

$702

Sun 4/2712:50 pmBUF - LHR

2 stops12h 55mAir France

Wed 5/148:55 amLHR - BUF

2 stops20h 45mAir France

Deal found 4/15

$732

Best flights from Buffalo to London
Discover carefully curated flight deals from Buffalo to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Sat 4/2612:05 pmBUF - LHR

1 stop13h 25mJetBlue

Sun 5/118:15 amLHR - BUF

1 stop15h 50mJetBlue

Deal found 4/15

$596

Wed 10/83:58 pmBUF - LHR

1 stop11h 52mKLM

Wed 10/1510:55 amLHR - BUF

1 stop13h 00mKLM

Deal found 4/15

$606

Tue 9/93:58 pmBUF - LHR

1 stop12h 17mDelta

Thu 9/1811:45 amLHR - BUF

2 stops17h 05mDelta

Deal found 4/14

$642

Wed 10/82:50 pmBUF - LHR

1 stop14h 50mUnited Airlines

Wed 10/152:05 pmLHR - BUF

2 stops31h 47mUnited Airlines

Deal found 4/15

$682

Mon 4/287:00 amBUF - LHR

2 stops22h 00mAir Canada

Wed 5/72:05 pmLHR - BUF

2 stops31h 50mAir Canada

Deal found 4/15

$687

Wed 7/97:15 pmBUF - LHR

1 stop12h 20mVirgin Atlantic

Wed 8/138:40 amLHR - BUF

2 stops15h 09mVirgin Atlantic

Deal found 4/15

$689

Mon 5/268:50 amBUF - LGW

1 stop20h 10mMultiple Airlines

Wed 6/42:00 pmLGW - BUF

1 stop23h 56mMultiple Airlines

Deal found 4/15

$704

Wed 7/93:59 pmBUF - LHR

2 stops14h 31mBritish Airways

Wed 8/137:50 amLHR - BUF

2 stops17h 22mBritish Airways

Deal found 4/15

$717

Sun 4/2712:50 pmBUF - LHR

2 stops12h 55mAir France

Wed 5/148:55 amLHR - BUF

2 stops20h 45mAir France

Deal found 4/15

$732

Tue 5/610:30 amBUF - LCY

2 stops16h 40mLufthansa

Tue 5/137:10 pmLCY - BUF

2 stops33h 26mLufthansa

Deal found 4/15

$806

Wed 10/86:00 pmBUF - LGW

1 stop10h 35mTAP AIR PORTUGAL

Wed 10/1512:10 pmLGW - BUF

1 stop13h 46mTAP AIR PORTUGAL

Deal found 4/15

$835

Tue 5/205:46 pmBUF - LHR

1 stop12h 19mAmerican Airlines

Tue 6/101:25 pmLHR - BUF

2 stops15h 33mAmerican Airlines

Deal found 4/15

$887

Last-minute flights from Buffalo to London
Discover last-minute flight deals from Buffalo to London. Data last updated April 15, 2025 and is based on user searches.

Thu 4/1711:29 amBUF - LHR

1 stop28h 16mJetBlue

Thu 5/18:25 amLHR - BUF

1 stop14h 17mJetBlue

Deal found 4/15

$587

Sun 4/203:52 pmBUF - LCY

2 stops12h 38mDelta

Sat 4/2610:00 amLCY - BUF

2 stops19h 42mDelta

Deal found 4/13

$3,564

Mon 4/214:56 pmBUF - LHR

1 stop11h 14mBritish Airways

Sun 4/2711:05 amLHR - BUF

1 stop15h 30mBritish Airways

Deal found 4/13

$3,365

Mon 4/219:00 amBUF - LHR

2 stops32h 00mTAP AIR PORTUGAL

Wed 4/306:00 amLHR - BUF

2 stops21h 52mTAP AIR PORTUGAL

Deal found 4/13

$4,665

Tue 4/227:00 amBUF - LHR

2 stops28h 00mScandinavian Airlines

Sun 4/279:05 pmLHR - BUF

3 stops27h 14mScandinavian Airlines

Deal found 4/13

$1,521

Tue 4/225:59 pmBUF - LHR

1 stop9h 56mAir France

Sat 4/269:20 amLHR - BUF

1 stop13h 20mAir France

Deal found 4/13

$3,515

Wed 4/236:00 amBUF - LHR

1 stop19h 55mUnited Airlines

Tue 5/612:15 pmLHR - BUF

1 stop11h 36mUnited Airlines

Deal found 4/15

$710

Wed 4/237:45 pmBUF - LHR

2 stops15h 55mLufthansa

Thu 5/812:15 pmLHR - BUF

1 stop11h 36mLufthansa

Deal found 4/15

$935

Thu 4/249:52 amBUF - LGW

1 stop19h 08mMultiple Airlines

Thu 5/82:00 pmLGW - BUF

1 stop24h 01mMultiple Airlines

Deal found 4/15

$680

Fri 4/2511:29 amBUF - LHR

1 stop17h 01mJetBlue

Mon 5/58:15 amLHR - BUF

1 stop10h 51mJetBlue

Deal found 4/15

$626

Fri 4/257:59 pmBUF - LHR

1 stop10h 26mDelta

Wed 5/76:30 amLHR - BUF

2 stops15h 44mDelta

Deal found 4/15

$746

Fri 4/255:51 pmBUF - LHR

2 stops31h 44mAir Canada

Mon 5/55:40 pmLHR - BUF

2 stops28h 15mAir Canada

Deal found 4/15

$931

One-way flights from Buffalo to London
Search for one-way flight options from Buffalo to London. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

Fri 5/308:50 amBUF - LGW

3 stops43h 35mMultiple Airlines

Deal found 4/15

$386

Wed 5/143:05 pmBUF - LHR

1 stop13h 25mJetBlue

Deal found 4/15

$393

Sun 8/176:04 pmBUF - LGW

1 stop10h 31mJetBlue

Deal found 4/15

$393

Wed 4/239:00 amBUF - LHR

2 stops19h 05mAer Lingus

Deal found 4/15

$412

Wed 8/275:50 pmBUF - LHR

1 stop12h 55mUnited Airlines

Deal found 4/15

$436

Wed 4/234:56 pmBUF - LHR

1 stop12h 34mAmerican Airlines

Deal found 4/15

$451

Thu 7/249:56 amBUF - LHR

3 stops29h 24mMultiple Airlines

Deal found 4/15

$456

Wed 5/141:00 pmBUF - LHR

2 stops17h 10mDelta

Deal found 4/15

$479

Thu 8/712:50 pmBUF - LGW

2 stops16h 10mDelta

Deal found 4/15

$486

Sat 8/1610:50 amBUF - LHR

3 stops18h 10mAir Canada

Deal found 4/15

$493

Sun 8/171:20 pmBUF - LGW

2 stops15h 25mTAP AIR PORTUGAL

Deal found 4/15

$509

Wed 5/141:00 pmBUF - LCY

2 stops13h 15mDelta

Deal found 4/15

$519

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

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Tue 9/30

2:00 pm-9:35 am

1 stop14h 35m

London Gatwick

Sun 10/5

12:10 pm-8:56 pm

1 stop13h 46m

$567

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 4/18

6:00 am-6:30 am

1 stop19h 30m

London Heathrow

Fri 5/2

8:15 am-9:57 pm

1 stop18h 42m

$587

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Wed 7/30

3:58 pm-10:00 am

1 stop13h 02m

London Gatwick

Wed 8/13

12:00 pm-7:06 pm

1 stop12h 06m

$607

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Sun 5/11

7:28 pm-10:00 am

1 stop33h 32m

London Gatwick

Fri 5/16

2:00 pm-10:48 am

1 stop25h 48m

$629

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 7/9

7:15 pm-10:15 am

1 stop10h 00m

London Heathrow

Tue 9/9

11:45 am-6:58 pm

1 stop12h 13m

$648

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Fri 8/1

3:58 pm-10:00 am

1 stop13h 02m

London Gatwick

Fri 8/15

12:00 pm-7:06 pm

1 stop12h 06m

$657

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 5/6

3:54 pm-8:05 am

1 stop11h 11m

London Heathrow

Tue 5/13

6:10 am-10:51 pm

2 stops21h 41m

$684

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 4/28

7:00 am-10:00 am

2 stops22h 00m

London Heathrow

Wed 5/7

2:05 pm-4:55 pm

2 stops31h 50m

$687

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 5/6

6:45 am-6:20 am

1 stop18h 35m

London Heathrow

Tue 5/13

1:45 pm-11:57 pm

2 stops15h 12m

$692

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 4/27

6:45 pm-1:30 pm

1 stop13h 45m

London Heathrow

Wed 5/14

6:30 am-7:19 pm

2 stops17h 49m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 56 results

...

Compare providers for flights from Buffalo to London

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to London in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Buffalo-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Buffalo-London flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Buffalo-London flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Buffalo-London flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

To ensure you get the cheapest price possible for a flight from Buffalo to London, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Buffalo to London?

Currently, November is the cheapest month in which you can book a flight from Buffalo to London (average of $661). Flying from Buffalo to London in June is currently the most expensive (average of $1,110). 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?

One of the essential ways to save on airfare from Buffalo to London is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 16% on airfare.

What is the cheapest day to fly from Buffalo to London?

Travelers seeking maximum savings on their Buffalo to London flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

See what other customers who have flown with Delta, KLM and Austrian Airlines from Buffalo to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,918 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

775 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,658 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Buffalo to London?
Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to London. You should not have trouble finding flights to London from Buffalo; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Buffalo airport to London. It is only a 8.3 mi journey to Buffalo (BUF) from Buffalo’s city center.
What are the cheapest airlines flying from Buffalo to London round-trip?
JetBlue, at $596, was found to be the cheapest airline from Buffalo to London.Alternate airlines to your destination round-trip include KLM and Delta. JetBlue is 20% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Buffalo to London one-way?
$393 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Aer Lingus and United Airlines, with prices starting from $412 and $436, respectively.
What are the most popular routes from Buffalo to London?
When deciding which route to take from Buffalo to London consider Buffalo - London Heathrow, Buffalo - London Gatwick or Buffalo - London City as they are the most popular.
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, November is the cheapest month in which you can book a flight from Buffalo to London (average of $661). Flying from Buffalo to London in June is currently the most expensive (average of $1,110). 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

Hayes

Hounslow

Thornton Heath

Luton

Horley

Wembley

Canterbury

Harrow

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Milton Keynes

Chelmsford

Sutton

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Buffalo to London

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$454	Average$768	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$554	Average$756	FlexibilityNo cancel fee	On-time71%
Virgin Atlantic	Cheapest$554	Average$747	FlexibilityNo cancel fee	On-time72%
British Airways	Cheapest$555	Average$690	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$581	Average$803	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$596	Average$774	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$293+ Cheap flights from Buffalo (BUF) to London (LON)

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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Buffalo to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Buffalo to London are usually found in January or October, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Buffalo to London

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Buffalo to London

Cheapest flights from Buffalo to LondonExplore 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 April 15, 2025.

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 April 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Buffalo to London that are best for you.

Compare providers for flights from Buffalo to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to London in April.

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.

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 April 11, 2025.

What is the cheapest month to book a flight from Buffalo to London?

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 April 15, 2025.

What is the cheapest day to fly from Buffalo to London?

Use this chart to determine the cheapest time to fly round-trip from Buffalo to London. Price data was last updated on September 15, 2024.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

See what other customers who have flown with Delta, KLM and Austrian Airlines from Buffalo to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines flying from Buffalo to London round-trip?

What are the cheapest airlines to fly from Buffalo to London one-way?

What are the most popular routes from Buffalo to London?

Can I find deals for flights from Buffalo to London that include hotel bookings?

How can I find direct flights from Buffalo to London?

Can I find deals for business class flights from Buffalo to London?

What is the cheapest month to book a flight from Buffalo to London?

Traveling to a place near Buffalo?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buffalo to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Buffalo to London

100% Free

Book with Flexibility

Travel Smart

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 April 15, 2025.