What is the most punctual flight time for Buenos Aires to London flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Which stopover airport has the shortest connection time from Buenos Aires to London?

Madrid (MAD) has the shortest average stopover time for this route: 0h 52m.

How often are flights from Buenos Aires to London delayed?

Historically, on average around 40% of flights between Buenos Aires and London have experienced a delay on any given week. The average delay length over the past 12 months has been 139 minutes.

Which airline has the best punctuality record on Buenos Aires to London flights?

According to our data, Qatar Airways have had the fewest delays on this route over the last 12 months, with about 50% of their flights experiencing any sort of delay.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

Which airport is the most popular for stopovers for flights between Buenos Aires and London?

Sao Paulo (GRU) was the most common stop: 29% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Buenos Aires to London?

Flights via Sao Paulo (GRU) offer the lowest average return price of £730.

How many flights depart from Buenos Aires to London on average per day?

2 flights are operational daily from Buenos Aires to London as of January 2026. The most popular departure time for this route is 13:00, with 100% of flights per day taking off in the afternoon.

Which stopover airport has the shortest travel time from Buenos Aires to London?

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 15h 05m.

What is the cheapest airline that flies from Buenos Aires to London?

United Airlines, ITA Airways, and LATAM Airlines are the most popular carriers operating from Buenos Aires to London

How many flights depart from Buenos Aires to London on average per week?

The number of flights available between Buenos Aires and London is 14 per week as of January 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

When did momondo last update prices for flights from Buenos Aires to London?

Prices for flights from Buenos Aires to London were last updated today.

How many operators does momondo search for flights from Buenos Aires to London?

There are 2 operators available for flights from Buenos Aires to London as of January 2026.

How old do you have to be to fly from Buenos Aires to London?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buenos Aires to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£453 Cheap Flights from Buenos Aires to London in 2026

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Find the cheapest flights from Buenos Aires to London

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

07:00 - 14:40

AEP

LGW

28h 40m

2 stops

07:00 - 05:40

LGW

AEP

25h 40m

2 stops

£730Multiple Airlines

Sun, 8 Mar - Thu, 19 Mar

16:30 - 06:35

EZE

LHR

34h 05m

2 stops

09:00 - 15:10

LHR

EZE

33h 10m

3 stops

£750Air Canada

Wed, 29 Apr - Thu, 29 Oct

16:30 - 06:35

EZE

LHR

34h 05m

2 stops

09:00 - 15:10

LHR

EZE

33h 10m

3 stops

£751Air Canada

Wed, 29 Apr - Thu, 29 Oct

07:00 - 19:10

AEP

LGW

32h 10m

2 stops

07:20 - 05:40

LGW

AEP

26h 20m

2 stops

£751Multiple Airlines

Wed, 6 May - Tue, 12 May

18:20 - 14:05

AEP

LHR

16h 45m

1 stop

21:20 - 12:00

LHR

AEP

18h 40m

1 stop

£781LATAM Airlines

Sat, 14 Mar - Sun, 26 Apr

12:00 - 17:55

EZE

LGW

25h 55m

1 stop

21:05 - 10:15

LGW

EZE

17h 10m

1 stop

£813LEVEL

Mon, 13 Apr - Mon, 4 May

19:45 - 12:05

EZE

LGW

37h 20m

1 stop

20:05 - 17:55

LGW

EZE

24h 50m

1 stop

£858LEVEL

Sat, 7 Mar - Fri, 20 Mar

13:50 - 10:55

EZE

LCY

18h 05m

1 stop

11:35 - 08:45

LCY

EZE

24h 10m

1 stop

£890ITA Airways

Wed, 4 Mar - Sat, 14 Mar

13:50 - 16:10

EZE

LCY

23h 20m

1 stop

16:45 - 19:50

LCY

EZE

30h 05m

1 stop

£891ITA Airways

Mon, 16 Mar - Thu, 26 Mar

15:05 - 18:30

EZE

LCY

23h 25m

1 stop

17:50 - 05:50

LCY

EZE

16h 00m

1 stop

£937KLM

Sun, 26 Apr - Thu, 28 May

Air Canada flights from Buenos Aires to London

Our best Air Canada deals on Buenos Aires to London flight tickets

Air Canada

29 Apr

EZE16:30Buenos Aires Ministro Pistarini

34h 05m

2 stops

LHR06:35London Heathrow

29 Oct

LHR09:00London Heathrow

33h 10m

3 stops

EZE15:10Buenos Aires Ministro Pistarini

£750

Air Canada

29 Apr

EZE16:30Buenos Aires Ministro Pistarini

34h 05m

2 stops

LHR06:35London Heathrow

29 Oct

LHR09:00London Heathrow

33h 10m

3 stops

EZE15:10Buenos Aires Ministro Pistarini

£751

Air Canada

13 May

EZE16:35Buenos Aires Ministro Pistarini

48h 25m

3 stops

LHR21:00London Heathrow

31 May

LHR09:30London Heathrow

33h 00m

2 stops

EZE14:30Buenos Aires Ministro Pistarini

£751

United Airlines flights from Buenos Aires to London

Our best United Airlines deals on Buenos Aires to London flight tickets

United Airlines

29 Jan

EZE23:55Buenos Aires Ministro Pistarini

31h 20m

1 stop

LHR10:15London Heathrow

2 Feb

LHR12:05London Heathrow

24h 15m

1 stop

EZE09:20Buenos Aires Ministro Pistarini

£1,000

United Airlines

20 Jan

EZE23:55Buenos Aires Ministro Pistarini

31h 20m

1 stop

LHR10:15London Heathrow

30 Jan

LHR12:05London Heathrow

24h 15m

1 stop

EZE09:20Buenos Aires Ministro Pistarini

£1,175

United Airlines

20 Jan

EZE22:05Buenos Aires Ministro Pistarini

33h 10m

1 stop

LHR10:15London Heathrow

17 Feb

LHR12:05London Heathrow

22h 15m

1 stop

EZE07:20Buenos Aires Ministro Pistarini

£1,279

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresLondon

AEP - LGW

AEPLGW

Buenos Aires Jorge Newbery

Sun 8/3

07:00-14:40

2 stops28h 40m

London Gatwick

Thu 19/3

07:00-05:40

2 stops25h 40m

£730

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

Wed 29/4

16:30-06:35

2 stops34h 05m

London Heathrow

Thu 29/10

09:00-15:10

3 stops33h 10m

£750

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

Wed 29/4

16:30-06:35

2 stops34h 05m

London Heathrow

Thu 29/10

09:00-15:10

3 stops33h 10m

£751

Buenos AiresLondon

AEP - LGW

AEPLGW

Buenos Aires Jorge Newbery

Wed 6/5

07:00-19:10

2 stops32h 10m

London Gatwick

Tue 12/5

07:20-05:40

2 stops26h 20m

£751

Buenos AiresLondon

AEP - LHR

AEPLHR

Buenos Aires Jorge Newbery

Sat 14/3

18:20-14:05

1 stop16h 45m

London Heathrow

Sun 26/4

21:20-12:00

1 stop18h 40m

£781

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Mon 13/4

12:00-17:55

1 stop25h 55m

London Gatwick

Mon 4/5

21:05-10:15

1 stop17h 10m

£813

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Sat 7/3

19:45-12:05

1 stop37h 20m

London Gatwick

Fri 20/3

20:05-17:55

1 stop24h 50m

£858

Buenos AiresLondon

EZE - LCY

EZELCY

Buenos Aires Ministro Pistarini

Wed 4/3

13:50-10:55

1 stop18h 05m

London City

Sat 14/3

11:35-08:45

1 stop24h 10m

£890

Buenos AiresLondon

EZE - LCY

EZELCY

Buenos Aires Ministro Pistarini

Mon 16/3

13:50-16:10

1 stop23h 20m

London City

Thu 26/3

16:45-19:50

1 stop30h 05m

£890

Buenos AiresLondon

EZE - LCY

EZELCY

Buenos Aires Ministro Pistarini

Sun 26/4

15:05-18:30

1 stop23h 25m

London City

Thu 28/5

17:50-05:50

1 stop16h 00m

£937

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buenos Aires to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Stopovers

Other information

What is the typical price of a round-trip flight between Buenos Aires and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Buenos Aires is in February. Flight prices, which tend to average around £981, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Buenos Aires averaging around £1,016.

What is the cheapest Buenos Aires to London flight route?

Fly from Buenos Aires Ministro Pistarini to London Heathrow for the best Buenos Aires - London flight prices

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

You are more likely to see cheaper flights to London from Buenos Aires when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £1,238 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Buenos Aires for as low as £1,059 on momondo.

What cabin class options are available on Buenos Aires to London flights?

There are 2 cabin classes available to choose from on Buenos Aires to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Buenos Aires to London flights?

You could potentially save up to 2% on your flight if you consider stops on a Buenos Aires to London flight.

How have Buenos Aires to London flight prices changed over time?

As of January 2026, prices for Buenos Aires to London flights are approximately 15% more expensive when compared to flights at the same time last year.

When to book flights from Buenos Aires to London

Are you open to changing your travel dates? Check out the ideal times to fly from Buenos Aires to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Buenos Aires to London (BUE to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buenos Aires to London

Fastest flight time	15h 35m
Direct flights	Every day
Airports in London	6 airports

The fastest flight from Buenos Aires to London takes 15h 35m

Direct flights go from Buenos Aires to London every day.

There are 6 airports in London. From Buenos Aires there are direct flights to London Heathrow (LHR).

Search flight deals

How far is Buenos Aires to London by plane?
Buenos Aires and London are 6909.8 mi apart from one another. A reasonable flight in good conditions will take 15h 35m.
When did momondo last update prices for flights from Buenos Aires to London?
Prices for flights from Buenos Aires to London were last updated today.
How many operators does momondo search for flights from Buenos Aires to London?
There are 2 operators available for flights from Buenos Aires to London as of January 2026.
How old do you have to be to fly from Buenos Aires to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buenos Aires to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Buenos Aires to London?
Based on momondo bookings for flights between Buenos Aires and London, the leading plane model is Boeing 777, making up 57.14% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 12.50%, Airbus A350-900 with 8.93%, and Airbus A350-1000 with 7.14%.
What is the most popular airline from Buenos Aires to London?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buenos Aires to London is LATAM Airlines (34% of total bookings). The next most popular airlines are British Airways (24%), Iberia (9%), and ITA Airways (9%).

Best airlines flying from Buenos Aires to London

Compare and see reviews for airlines that fly from Buenos Aires to London with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £999	Free Cancellation	Rating 6.7 7,678 reviews		Search British Airways flights
Iberia	PriceFrom £1,091	Free Cancellation	Rating 7.0 3,087 reviews		Search Iberia flights

British Airways Flights From Buenos Aires to London
British Airways flight deals from Buenos Aires to London start from £999 round-trip. Over the 7 British Airways flights for this route in a normal week, average airfare is usually £1,377 round-trip - but some users have found much cheaper deals with momondo.

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Colchester

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Why use momondo?

Why should I use momondo to find a flight deal from Buenos Aires to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Buenos Aires.

Can I find flights from Buenos Aires to London with flexible booking policies on momondo?

Flights from Buenos Aires to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buenos Aires to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Buenos Aires.

I’m not ready to book a flight from Buenos Aires to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Buenos Aires to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Buenos Aires to London from £453

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to London departing on 7/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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See travel insights to London from

How to get the cheapest flight ticket from Buenos Aires to London

What is the typical price of a round-trip flight between Buenos Aires and London?

What is the cheapest month to fly to London?

What is the cheapest Buenos Aires to London flight route?

Fly from Buenos Aires Ministro Pistarini to London Heathrow for the best Buenos Aires - London flight prices

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

What cabin class options are available on Buenos Aires to London flights?

There are 2 cabin classes available to choose from on Buenos Aires to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Buenos Aires to London flights?

You could potentially save up to 2% on your flight if you consider stops on a Buenos Aires to London flight.

How have Buenos Aires to London flight prices changed over time?

As of January 2026, prices for Buenos Aires to London flights are approximately 15% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Buenos Aires to London?

United Airlines, ITA Airways, and LATAM Airlines are the most popular carriers operating from Buenos Aires to London

How often are flights from Buenos Aires to London delayed?

Historically, on average around 40% of flights between Buenos Aires and London have experienced a delay on any given week. The average delay length over the past 12 months has been 139 minutes.

What is the most punctual flight time for Buenos Aires to London flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Buenos Aires to London flights?

According to our data, Qatar Airways have had the fewest delays on this route over the last 12 months, with about 50% of their flights experiencing any sort of delay.

Which airport is the most popular for stopovers for flights between Buenos Aires and London?

Sao Paulo (GRU) was the most common stop: 29% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Buenos Aires to London?

Flights via Sao Paulo (GRU) offer the lowest average return price of £730.

Which stopover airport has the shortest travel time from Buenos Aires to London?

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 15h 05m.

Which stopover airport has the shortest connection time from Buenos Aires to London?

Madrid (MAD) has the shortest average stopover time for this route: 0h 52m.

How many flights depart from Buenos Aires to London on average per day?

2 flights are operational daily from Buenos Aires to London as of January 2026. The most popular departure time for this route is 13:00, with 100% of flights per day taking off in the afternoon.

How many flights depart from Buenos Aires to London on average per week?

The number of flights available between Buenos Aires and London is 14 per week as of January 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

When to book flights from Buenos Aires to London

Cheap Buenos Aires to London (BUE to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buenos Aires to London

Fastest flight time

Direct flights

Airports in London

How far is Buenos Aires to London by plane?

When did momondo last update prices for flights from Buenos Aires to London?

How many operators does momondo search for flights from Buenos Aires to London?

How old do you have to be to fly from Buenos Aires to London?

What documentation or ID do you need to fly to London?

What is the most popular plane model from Buenos Aires to London?

What is the most popular airline from Buenos Aires to London?

Best airlines flying from Buenos Aires to London

Compare and see reviews for airlines that fly from Buenos Aires to London with momondo

British Airways Flights From Buenos Aires to London

Travelling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from Buenos Aires to London?

Can I find flights from Buenos Aires to London with flexible booking policies on momondo?

How can momondo help me find flights from Buenos Aires to London?

I’m not ready to book a flight from Buenos Aires to London right now. Can momondo alert me if prices change?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.