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

As of September 2025, 2 flights take off from London and land in Buenos Aires each day. The most common flight departure time for this route is 21:00, with 100% of daily flights taking off in the evening.

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

Madrid (MAD) was the most common stop: 42% of momondo users choosing one-stop flights on this route connected there.

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

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 16h 05m.

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

Barcelona (BCN) has the shortest average stopover time for this route: 1h 18m.

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

Flights via Toronto (YYZ) offer the lowest average return price of £622.

Which airlines fly to Buenos Aires?

British Airways, Iberia and Lufthansa are the top three most popular airlines that fly to Buenos Aires from London according to our data. British Airways is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Buenos Aires. Keep in mind that there are 10 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between London and Buenos Aires is 18 per week as of September 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

Which cities can you reach easily once you arrive at Buenos Aires Airport?

From both Ezeiza Airport (EZE) and Jorge Newbery Airport (AEP) you can reach Buenos Aires with ease, but also other parts of the country too. For example, you can reach Campana in about one hour by car or Pergamino in around three hours driving from AEP. If you are arriving to EZE, then you can reach La Plata in about one hour and 20 minutes driving or Canuelas in approximately 35 minutes by car. In general, it is better to drive to other cities if they are close by as this is faster than taking public transport. Therefore, you could hire a car from the airport terminals to get your journey underway. Alternatively if you are travelling further afield then you might want to consider an internal flight as this will be a convenient way to travel.

Which airlines fly direct from London to Buenos Aires?

You can take direct flights from London to Buenos Aires with one airline, but there are also lots of indirect routes with other airlines too. British Airways offers one-way flights from London to Buenos Aires which take approximately 15 hours and 55 minutes, which is one of the more convenient ways to complete this journey. You can also get cheap flights from London to Buenos Aires with Iberia, which tend to take approximately 15 hours and 45 minutes. These require one stop along the way, most commonly at Madrid Airport (MAD). You can also take London to Buenos Aires flights with KLM in around 16 hours and five minutes. The most likely stopover on this route is at Amsterdam Airport Schiphol (AMS). No matter which route your decide to take, you will be able to fly between these two cities with ease when booking through momondo. What is the best way to get to and from airports in London to Buenos Aires? You can easily get to London airports ahead of your flight to Buenos Aires, which makes it a great city to depart from. For example, you can get to London Heathrow Airport (LHR) easily using the Heathrow Express, which takes around 15 minutes from Paddington train station. Similarly, if you are travelling to Gatwick Airport then you can take the Gatwick Express in about 30 minutes from London Victoria train station. For those that are departing from London City Airport then you can reach the terminal from Bank Underground station using the DLR in about 21 minutes. From Ezeiza Airport (EZE) one of the fastest ways to reach the centre of Buenos Aires is by taxi, which takes approximately 40 minutes from the front of the terminal building. Whereas if you were travelling from Jorge Newbery Airport (AEP) to the centre of Buenos Aires, then you could take the number 33 or 45 bus, which take around 43 minutes in total to complete the journey. What are the benefits of the different airports in London to Buenos Aires? No matter which airport you depart from in London, you will be able to reach it with ease. Should you be departing from Heathrow Airport (LHR), Gatwick Airport (LGW) or London City Airport (LCY), you will be able to take advantage of a hotel the night before your departure so that you are not in a rush the next morning. At LHR and LGW you can also utilise fast track services and lounges before you leave. Whilst this isn’t possible at LCY, it is a good airport to leave from if you are travelling on business as it’s so close to the financial district in London. All the airports have a good selection of currency exchange, food outlets and shops to keep you occupied before take-off too. You will find that there is a larger selection of flights to Ezeiza Airport (EZE) than that of Jorge Newbery Airport (AEP) as this is where most long-haul flights go to in Buenos Aires. As a result, there are also more facilities there for you to access on arrival. That being said, AEP is closer to the city centre by car, should you want quicker access upon landing, so it has that advantage.

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

Prices for flights from London to Buenos Aires are refreshed on a daily basis.

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

There are 10 operators available for flights from London to Buenos Aires as of September 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£520 Cheap Flights from London to Buenos Aires in 2025/26

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Find the cheapest flights from London to Buenos Aires

Round-trip

One-way

Last minute

Direct

Cheap return flights

21:40 - 05:50LHR-EZE

35h 10m1 stop

16:55 - 14:35EZE-LHR

18h 40m1 stop

£700Avianca

Find Deal

Tue, 28 Oct - Sat, 15 Nov

21:40 - 05:50LHR-EZE

35h 10m1 stop

01:40 - 14:35EZE-LHR

33h 55m1 stop

£710Avianca

Find Deal

Thu, 6 Nov - Sun, 16 Nov

09:30 - 07:55LHR-EZE

25h 25m1 stop

17:45 - 22:20EZE-LHR

25h 35m1 stop

£811Lufthansa

Find Deal

Thu, 12 Mar - Thu, 26 Mar

18:10 - 07:55LCY-EZE

16h 45m1 stop

17:45 - 16:40EZE-LCY

19h 55m1 stop

£820Lufthansa

Find Deal

Wed, 26 Nov - Tue, 2 Dec

20:40 - 16:20LGW-EZE

23h 40m1 stop

14:20 - 10:50EZE-LGW

17h 30m1 stop

£830British Airways

Find Deal

Sat, 4 Oct - Tue, 28 Oct

17:25 - 08:50LGW-EZE

18h 25m1 stop

12:15 - 09:00EZE-LGW

16h 45m1 stop

£852Air Europa

Find Deal

Sun, 15 Mar - Sun, 29 Mar

10:00 - 08:50LGW-EZE

25h 50m1 stop

12:15 - 09:00EZE-LGW

16h 45m1 stop

£853Air Europa

Find Deal

Sun, 15 Mar - Sun, 29 Mar

19:40 - 17:55LGW-EZE

25h 15m1 stop

23:00 - 19:00EZE-LGW

17h 00m1 stop

£867Iberia

Find Deal

Wed, 31 Dec - Mon, 26 Jan

19:40 - 21:00LGW-EZE

28h 20m1 stop

22:45 - 19:00EZE-LGW

17h 15m1 stop

£890Iberia

Find Deal

Wed, 29 Oct - Wed, 5 Nov

19:15 - 17:55LCY-EZE

25h 40m1 stop

19:30 - 14:05EZE-LCY

15h 35m1 stop

£930British Airways

Find Deal

Sun, 25 Jan - Wed, 18 Feb

Lufthansa flights from London to Buenos Aires

Our best Lufthansa deals on London to Buenos Aires flight tickets

Lufthansa

12 Mar

LHR09:30London Heathrow

25h 25m

1 stop

EZE07:55Buenos Aires Ministro Pistarini

26 Mar

EZE17:45Buenos Aires Ministro Pistarini

25h 35m

1 stop

LHR22:20London Heathrow

£811

Find similar

Lufthansa

26 Nov

LCY18:10London City

16h 45m

1 stop

EZE07:55Buenos Aires Ministro Pistarini

2 Dec

EZE17:45Buenos Aires Ministro Pistarini

19h 55m

1 stop

LCY16:40London City

£820

Find similar

Lufthansa

7 Oct

LCY17:00London City

17h 25m

1 stop

EZE06:25Buenos Aires Ministro Pistarini

26 Oct

EZE17:45Buenos Aires Ministro Pistarini

19h 55m

1 stop

LCY16:40London City

£928

Find similar

American Airlines flights from London to Buenos Aires

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

American Airlines

13 Nov

LGW12:30London Gatwick

47h 30m

2 stops

EZE09:00Buenos Aires Ministro Pistarini

17 Nov

EZE21:40Buenos Aires Ministro Pistarini

56h 20m

2 stops

LGW09:00London Gatwick

£832

Find similar

American Airlines

8 Oct

LGW10:40London Gatwick

26h 20m

2 stops

EZE09:00Buenos Aires Ministro Pistarini

15 Oct

EZE20:30Buenos Aires Ministro Pistarini

56h 05m

2 stops

LGW08:35London Gatwick

£834

Find similar

American Airlines

7 Oct

LGW10:40London Gatwick

24h 45m

2 stops

EZE07:25Buenos Aires Ministro Pistarini

23 Oct

EZE21:15Buenos Aires Ministro Pistarini

30h 55m

1 stop

LGW08:10London Gatwick

£834

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 28/10

21:40-05:50

1 stop35h 10m

Buenos Aires Ministro Pistarini

Sat 15/11

16:55-14:35

1 stop18h 40m

£700

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 6/11

21:40-05:50

1 stop35h 10m

Buenos Aires Ministro Pistarini

Sun 16/11

01:40-14:35

1 stop33h 55m

£710

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 12/3

09:30-07:55

1 stop25h 25m

Buenos Aires Ministro Pistarini

Thu 26/3

17:45-22:20

1 stop25h 35m

£811

LondonBuenos Aires

LCY - EZE

LCYEZE

London City

Wed 26/11

18:10-07:55

1 stop16h 45m

Buenos Aires Ministro Pistarini

Tue 2/12

17:45-16:40

1 stop19h 55m

£820

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sat 4/10

20:40-16:20

1 stop23h 40m

Buenos Aires Ministro Pistarini

Tue 28/10

14:20-10:50

1 stop17h 30m

£830

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sun 15/3

17:25-08:50

1 stop18h 25m

Buenos Aires Ministro Pistarini

Sun 29/3

12:15-09:00

1 stop16h 45m

£852

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sun 15/3

10:00-08:50

1 stop25h 50m

Buenos Aires Ministro Pistarini

Sun 29/3

12:15-09:00

1 stop16h 45m

£853

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Wed 31/12

19:40-17:55

1 stop25h 15m

Buenos Aires Ministro Pistarini

Mon 26/1

23:00-19:00

1 stop17h 00m

£867

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Wed 29/10

19:40-21:00

1 stop28h 20m

Buenos Aires Ministro Pistarini

Wed 5/11

22:45-19:00

1 stop17h 15m

£890

LondonBuenos Aires

LCY - EZE

LCYEZE

London City

Sun 25/1

19:15-17:55

1 stop25h 40m

Buenos Aires Ministro Pistarini

Wed 18/2

19:30-14:05

1 stop15h 35m

£930

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

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

Stopovers

Other information

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

What is the cheapest month to fly to Buenos Aires?

In general, March is the cheapest month to fly from London to Buenos Aires. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £833. If you don’t want to visit Buenos Aires in March, then you should wait until May to fly from London, when ticket prices are also cheap, with an average price of £851.

What is the cheapest day to depart on your flight to Buenos Aires?

The cheapest day to depart on your flight to Buenos Aires is on a Monday when prices can be found for as low as £984. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,114.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the afternoon. Flights from London to Buenos Aires during this time can be as low as £809. Flights to Buenos Aires are more costly in the evening, with an average ticket price of £1,043. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to Buenos Aires flight route?

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

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around £993 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from London for as low as £854 on momondo.

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

There are 2 cabin classes available to choose from on London to Buenos Aires 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 London to Buenos Aires flights?

You could potentially save up to 28% on your flight if you consider stops on a London to Buenos Aires flight.

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

As of September 2025, prices for London to Buenos Aires flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from London to Buenos Aires

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

Estimated return price

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

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

Best price found	£1,279
Fastest flight time	16h 25m
Direct flights	Every day
Airports in Buenos Aires	1 airport

The best flight deal from London to Buenos Aires found on momondo in the last 72 hours is £1,279

The fastest flight from London to Buenos Aires takes 16h 25m

Direct flights go from London to Buenos Aires every day.

There is 1 airport near Buenos Aires: Buenos Aires Ministro Pistarini (EZE)

Search flight deals

How far is London to Buenos Aires by plane?
The straight-line distance from London to Buenos Aires is 6909.8 mi. Typically, this will take 16h 25m by plane in normal conditions.
When did momondo last update prices for flights from London to Buenos Aires?
Prices for flights from London to Buenos Aires are refreshed on a daily basis.
How many operators does momondo search for flights from London to Buenos Aires?
There are 10 operators available for flights from London to Buenos Aires as of September 2025.
How old do you have to be to fly from London to Buenos Aires?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London to Buenos Aires?
Based on momondo bookings for flights between London and Buenos Aires, the leading plane model is Boeing 777, making up 50.00% of the total bookings. Other popular models include Airbus A350-1000 with 50.00%.
What is the most popular airline from London to Buenos Aires?
momondo data reveals that the most frequently booked airline on the route from London to Buenos Aires is British Airways, representing 24% of all bookings. The subsequent popular airlines are Air Europa at 18%, Lufthansa at 11%, and Iberia at 10%.

Best airlines flying from London to Buenos Aires

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

Airline	Rating	Free Cancellation	Price
Air France	PriceFrom £439	Free Cancellation	Rating 7.4 1,468 reviews	Search Air France flights
Air Europa	PriceFrom £574	Free Cancellation	Rating 7.0 556 reviews	Search Air Europa flights
ITA Airways	PriceFrom £609	Free Cancellation	Rating 6.7 1,036 reviews	Search ITA Airways flights
Air Canada	PriceFrom £634	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Avianca	PriceFrom £696	Free Cancellation	Rating 6.7 2,435 reviews	Search Avianca flights
Iberia	PriceFrom £707	Free Cancellation	Rating 7.0 2,924 reviews	Search Iberia flights
Finnair	PriceFrom £726	Free Cancellation	Rating 7.6 1,324 reviews	Search Finnair flights
British Airways	PriceFrom £785	Free Cancellation	Rating 6.7 7,363 reviews	Search British Airways flights
Lufthansa	PriceFrom £808	Free Cancellation	Rating 6.8 7,407 reviews	Search Lufthansa flights
LATAM Airlines	PriceFrom £858	Free Cancellation	Rating 7.5 1,847 reviews	Search LATAM Airlines flights

Finnair Flights From London to Buenos Aires
Finnair flight deals from London to Buenos Aires start from £990 round-trip. Over the 6 Finnair flights for this route in a normal week, average airfare is usually £1,268 round-trip - but some users have found much cheaper deals with momondo.
Iberia Flights From London to Buenos Aires
Iberia is also a popular choice for this route. Iberia flight deals for London to Buenos Aires start from as low as £964 round-trip, depending on your selected dates, with average Iberia deals seen on momondo around £1,400. Iberia operates 6 flights to Buenos Aires from London in an average week. Users have rated it 7.0/10 across 2,924 reviews.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Buenos Aires . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Buenos Aires from London which offer a flexible booking policy as well as other useful filters and features.

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

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 Buenos Aires from London.

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

Yes momondo offers price alerts on flights to Buenos Aires from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Buenos Aires 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.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from London to Buenos Aires from £520

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Buenos Aires departing on 15/1. 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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Big names, great deals

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Lufthansa flights from London to Buenos Aires

Our best Lufthansa deals on London to Buenos Aires flight tickets

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

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

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

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

What is the cheapest month to fly to Buenos Aires?

What is the cheapest day to depart on your flight to Buenos Aires?

What is the cheapest time of day to depart on your flight to Buenos Aires?

What is the cheapest London to Buenos Aires flight route?

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

How far in advance should I book a flight to Buenos Aires?

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

There are 2 cabin classes available to choose from on London to Buenos Aires 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 London to Buenos Aires flights?

You could potentially save up to 28% on your flight if you consider stops on a London to Buenos Aires flight.

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

As of September 2025, prices for London to Buenos Aires flights are approximately 4% more expensive when compared to flights at the same time last year.

Which airlines fly to Buenos Aires?

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

Madrid (MAD) was the most common stop: 42% of momondo users choosing one-stop flights on this route connected there.

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

Flights via Toronto (YYZ) offer the lowest average return price of £622.

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

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 16h 05m.

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

Barcelona (BCN) has the shortest average stopover time for this route: 1h 18m.

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

As of September 2025, 2 flights take off from London and land in Buenos Aires each day. The most common flight departure time for this route is 21:00, with 100% of daily flights taking off in the evening.

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

The number of flights available between London and Buenos Aires is 18 per week as of September 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

When to book flights from London to Buenos Aires

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

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

Best price found

Fastest flight time

Direct flights

Airports in Buenos Aires

How far is London to Buenos Aires by plane?

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

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

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

What documentation or ID do you need to fly to Buenos Aires?

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

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

Best airlines flying from London to Buenos Aires

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

Finnair Flights From London to Buenos Aires

Iberia Flights From London to Buenos Aires

Why use momondo?

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

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

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

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

An easier way to manage your Buenos Aires 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires