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

JetBlue, at $617, was found to be the cheapest airline from Buffalo to London.Alternate airlines to your destination round-trip include British Airways and American Airlines. JetBlue is 18% 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?

$319 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Delta and Aer Lingus, with prices starting from $466 and $494, 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.

$319+ Flights from Buffalo to London - Compare & Save Big

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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	$617 (JetBlue)
One-way from	$319 (JetBlue)
Popular in	June
Cheapest in	January
Average price	$696

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 May 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 May 1, 2025.

Mon 9/296:00 amBUF - LHR

1 stop9h 45mJetBlue

Tue 10/218:15 amLHR - BUF

1 stop11h 45mJetBlue

Deal found 4/29

$599

Sat 8/24:54 pmBUF - LHR

1 stop32h 56mBritish Airways

Fri 8/2912:15 pmLHR - BUF

1 stop11h 19mBritish Airways

Deal found 4/30

$609

Wed 10/17:15 pmBUF - LHR

1 stop10h 00mDelta

Wed 10/2211:20 amLHR - BUF

2 stops16h 43mDelta

Deal found 4/29

$613

Wed 9/172:00 pmBUF - LGW

1 stop14h 35mJetBlue

Wed 9/2412:10 pmLGW - BUF

1 stop13h 46mJetBlue

Deal found 4/29

$617

Wed 9/1711:40 amBUF - LHR

1 stop14h 00mAmerican Airlines

Wed 9/242:25 pmLHR - BUF

1 stop14h 29mAmerican Airlines

Deal found 4/29

$634

Tue 8/197:15 pmBUF - LHR

1 stop12h 55mKLM

Sun 8/311:05 pmLHR - BUF

1 stop15h 54mKLM

Deal found 4/30

$659

Tue 5/203:54 pmBUF - LCY

2 stops14h 36mBritish Airways

Tue 6/35:05 pmLCY - BUF

2 stops34h 46mBritish Airways

Deal found 4/30

$707

Fri 9/127:15 pmBUF - LHR

1 stop12h 20mVirgin Atlantic

Sun 9/219:20 amLHR - BUF

2 stops14h 38mVirgin Atlantic

Deal found 4/30

$714

Sat 8/210:50 amBUF - LHR

2 stops38h 45mAir Canada

Fri 8/292:05 pmLHR - BUF

2 stops31h 47mAir Canada

Deal found 4/30

$746

Fri 6/67:46 pmBUF - LGW

2 stops32h 39mMultiple Airlines

Thu 6/192:00 pmLGW - BUF

1 stop22h 50mMultiple Airlines

Deal found 4/30

$746

Thu 9/257:00 amBUF - LHR

2 stops30h 30mScandinavian Airlines

Wed 10/110:20 amLHR - BUF

2 stops18h 30mScandinavian Airlines

Deal found 4/30

$774

Thu 9/257:51 pmBUF - LHR

1 stop9h 49mUnited Airlines

Wed 10/12:05 pmLHR - BUF

2 stops29h 06mUnited Airlines

Deal found 4/30

$775

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 May 1, 2025.

Wed 9/172:00 pmBUF - LGW

1 stop14h 35mJetBlue

Wed 9/2412:10 pmLGW - BUF

1 stop13h 46mJetBlue

Deal found 4/29

$617

Sun 7/1312:26 pmBUF - LHR

1 stop15h 44mBritish Airways

Fri 8/157:00 amLHR - BUF

2 stops16h 34mBritish Airways

Deal found 4/30

$684

Fri 6/67:46 pmBUF - LGW

2 stops32h 39mMultiple Airlines

Thu 6/192:00 pmLGW - BUF

1 stop22h 50mMultiple Airlines

Deal found 4/30

$746

Wed 6/111:48 pmBUF - LHR

1 stop12h 52mAmerican Airlines

Wed 6/189:15 amLHR - BUF

1 stop11h 55mAmerican Airlines

Deal found 4/30

$769

Wed 5/1412:05 pmBUF - LHR

1 stop20h 25mDelta

Wed 5/286:15 amLHR - BUF

2 stops15h 59mDelta

Deal found 4/29

$771

Sat 8/212:50 pmBUF - LGW

2 stops16h 10mVirgin Atlantic

Fri 8/2912:00 pmLGW - BUF

1 stop12h 06mVirgin Atlantic

Deal found 4/30

$811

Sun 7/137:00 amBUF - LHR

2 stops18h 30mAir Canada

Fri 8/159:30 amLHR - BUF

2 stops16h 31mAir Canada

Deal found 4/30

$821

Wed 5/146:00 amBUF - LHR

2 stops21h 00mAer Lingus

Wed 5/289:50 amLHR - BUF

2 stops13h 05mAer Lingus

Deal found 4/29

$861

Mon 5/56:30 pmBUF - LHR

2 stops20h 50mIcelandair

Mon 5/129:25 pmLHR - BUF

2 stops41h 11mIcelandair

Deal found 4/29

$913

Fri 10/1010:20 amBUF - LGW

1 stop18h 15mTAP AIR PORTUGAL

Sun 10/1912:10 pmLGW - BUF

1 stop13h 46mTAP AIR PORTUGAL

Deal found 4/29

$917

Fri 6/63:55 pmBUF - LHR

2 stops45h 55mScandinavian Airlines

Wed 6/187:05 amLHR - BUF

2 stops22h 44mScandinavian Airlines

Deal found 4/29

$962

Sun 5/43:52 pmBUF - LHR

1 stop11h 58mKLM

Thu 5/159:20 amLHR - BUF

1 stop13h 08mKLM

Deal found 4/29

$963

Last-minute flights from Buffalo to London
Discover last-minute flight deals from Buffalo to London. Data last updated May 1, 2025 and is based on user searches.

Wed 4/3010:20 amBUF - LHR

2 stops15h 10mUnited Airlines

Fri 5/164:40 pmLHR - BUF

1 stop11h 56mUnited Airlines

Deal found 4/29

$963

Sat 5/36:30 amBUF - LGW

2 stops34h 55mTurkish Airlines

Mon 5/55:30 amLGW - BUF

2 stops21h 26mTurkish Airlines

Deal found 4/29

$960

Mon 5/56:30 pmBUF - LHR

2 stops20h 50mIcelandair

Mon 5/129:25 pmLHR - BUF

2 stops41h 11mIcelandair

Deal found 4/29

$913

Mon 5/510:34 amBUF - LHR

1 stop17h 21mDelta

Sun 5/186:15 amLHR - BUF

2 stops16h 13mDelta

Deal found 4/29

$925

Mon 5/58:55 amBUF - LHR

1 stop16h 00mAustrian Airlines

Mon 5/197:30 pmLHR - BUF

2 stops33h 27mAustrian Airlines

Deal found 4/29

$1,184

Tue 5/66:00 amBUF - LHR

1 stop9h 45mJetBlue

Tue 5/1311:55 amLHR - BUF

1 stop14h 59mJetBlue

Deal found 4/29

$644

Tue 5/66:45 amBUF - LHR

2 stops22h 15mAir Canada

Tue 5/202:05 pmLHR - BUF

2 stops31h 50mAir Canada

Deal found 4/29

$940

Wed 5/1412:05 pmBUF - LHR

1 stop20h 25mDelta

Wed 5/286:15 amLHR - BUF

2 stops15h 59mDelta

Deal found 4/29

$771

Wed 5/146:45 amBUF - LHR

2 stops18h 50mAir Canada

Wed 5/289:30 amLHR - BUF

2 stops16h 31mAir Canada

Deal found 4/30

$837

Wed 5/146:00 amBUF - LHR

2 stops21h 00mAer Lingus

Wed 5/289:50 amLHR - BUF

2 stops13h 05mAer Lingus

Deal found 4/29

$861

Tue 5/203:54 pmBUF - LCY

2 stops14h 36mBritish Airways

Tue 6/35:05 pmLCY - BUF

2 stops34h 46mBritish Airways

Deal found 4/30

$707

Tue 5/203:54 pmBUF - LHR

2 stops15h 06mBritish Airways

Tue 6/312:15 pmLHR - BUF

1 stop13h 03mBritish Airways

Deal found 4/30

$727

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 May 1, 2025.

Tue 9/232:00 pmBUF - LGW

1 stop14h 35mJetBlue

Deal found 4/30

$319

Mon 6/168:50 amBUF - LGW

3 stops43h 35mMultiple Airlines

Deal found 4/30

$340

Wed 5/146:00 amBUF - LHR

1 stop9h 45mJetBlue

Deal found 4/29

$412

Sat 6/712:14 pmBUF - LHR

3 stops52h 36mMultiple Airlines

Deal found 4/29

$421

Thu 8/712:50 pmBUF - LGW

2 stops16h 10mDelta

Deal found 4/30

$466

Wed 5/141:00 pmBUF - LHR

2 stops15h 15mDelta

Deal found 4/29

$479

Wed 5/76:00 amBUF - LHR

2 stops23h 20mAer Lingus

Deal found 4/29

$494

Fri 9/1210:50 amBUF - LCY

2 stops19h 50mUnited Airlines

Deal found 4/30

$502

Mon 10/66:00 pmBUF - LGW

2 stops16h 35mTAP AIR PORTUGAL

Deal found 4/30

$520

Thu 8/710:30 amBUF - LCY

2 stops16h 50mLufthansa

Deal found 4/30

$521

Thu 7/109:45 amBUF - LHR

2 stops27h 00mTAP AIR PORTUGAL

Deal found 4/29

$549

Wed 6/118:00 pmBUF - STN

3 stops40h 35mMultiple Airlines

Deal found 4/30

$561

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

Wed 9/17

2:00 pm-9:35 am

1 stop14h 35m

London Gatwick

Wed 9/24

12:10 pm-8:56 pm

1 stop13h 46m

$617

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 5/6

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Tue 5/13

11:55 am-9:54 pm

1 stop14h 59m

$644

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 7/13

12:26 pm-9:10 am

1 stop15h 44m

London Heathrow

Fri 8/15

7:00 am-6:34 pm

2 stops16h 34m

$684

BuffaloLondon

BUF - LCY

BUFLCY

Buffalo

Tue 5/20

3:54 pm-11:30 am

2 stops14h 36m

London City

Tue 6/3

5:05 pm-10:51 pm

2 stops34h 46m

$707

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Fri 6/6

7:46 pm-9:25 am

2 stops32h 39m

London Gatwick

Thu 6/19

2:00 pm-7:50 am

1 stop22h 50m

$746

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 6/11

1:48 pm-7:40 am

1 stop12h 52m

London Heathrow

Wed 6/18

9:15 am-4:10 pm

1 stop11h 55m

$769

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 5/14

12:05 pm-1:30 pm

1 stop20h 25m

London Heathrow

Wed 5/28

6:15 am-5:14 pm

2 stops15h 59m

$771

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Sat 8/2

12:50 pm-10:00 am

2 stops16h 10m

London Gatwick

Fri 8/29

12:00 pm-7:06 pm

1 stop12h 06m

$811

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Thu 5/22

12:01 pm-8:35 am

2 stops15h 34m

London Gatwick

Thu 6/5

10:40 am-12:38 am

2 stops18h 58m

$820

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 7/13

7:00 am-6:30 am

2 stops18h 30m

London Heathrow

Fri 8/15

9:30 am-9:01 pm

2 stops16h 31m

$821

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 59 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 May.

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 $1,103). 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

7,934 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

7,934 reviews

Delta

8.0

Very good

7,934 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

1,334 reviews

Delta

8.0

Very good

7,934 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

781 reviews

Delta

8.0

Very good

7,934 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

8,696 reviews

Delta

8.0

Very good

7,934 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.

Virgin Atlantic

7.4

Good

643 reviews

Delta

8.0

Very good

7,934 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 $617, was found to be the cheapest airline from Buffalo to London.Alternate airlines to your destination round-trip include British Airways and American Airlines. JetBlue is 18% 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?
$319 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Delta and Aer Lingus, with prices starting from $466 and $494, 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 $1,103). 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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Thornton Heath

Luton

Horley

Canterbury

Harrow

Wembley

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Sutton

Chelmsford

Brentwood

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$746	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$554	Average$756	FlexibilityNo cancel fee	On-time71%
Virgin Atlantic	Cheapest$554	Average$726	FlexibilityNo cancel fee	On-time72%
British Airways	Cheapest$555	Average$696	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$581	Average$800	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$596	Average$774	FlexibilityNo cancel fee	On-timeN/A

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$319+ 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 9/23. 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 May 1, 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 May 1, 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 May.

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 25, 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 May 1, 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

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 May 1, 2025.

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.

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Alternative routes for Buffalo to London

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Top 6 airlines flying from Buffalo to London

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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 May 1, 2025.