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

The number of flights available between London and Buenos Aires is 21 per week as of November 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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

Flights via Toronto (YYZ) offer the lowest average return price of £649.

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

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

How often are flights from London to Buenos Aires delayed?

Historically, on average around 0% of flights between London and Buenos Aires have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

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

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 16h 30m.

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 connection time from London to Buenos Aires?

Frankfurt am Main (FRA) has the shortest average stopover time for this route: 1h 05m.

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 34% of people opting to fly with this airline when travelling to Buenos Aires. Keep in mind that there are 11 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

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

United Airlines and LEVEL are the most popular carriers operating from London to Buenos Aires

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

As of November 2025, 3 flights take off from London and land in Buenos Aires each day. The most common flight departure time for this route is 22:00, with 100% of daily flights taking off in the evening.

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 11 operators available for flights from London to Buenos Aires as of November 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.

£459 Cheap Flights from London to Buenos Aires in 2025/26

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21:40 - 05:50LHR-EZE

35h 10m1 stop

06:50 - 10:50EZE-LHR

24h 00m2 stops

£817Multiple Airlines

Find Deal

Tue, 3 Mar - Tue, 31 Mar

16:45 - 08:45LCY-EZE

19h 00m1 stop

12:55 - 15:55EZE-LCY

23h 00m2 stops

£818ITA Airways

Find Deal

Thu, 12 Mar - Tue, 14 Apr

21:40 - 05:50LHR-EZE

35h 10m1 stop

06:50 - 10:50EZE-LHR

24h 00m2 stops

£819Multiple Airlines

Find Deal

Thu, 12 Mar - Tue, 14 Apr

17:25 - 07:40LGW-EZE

18h 15m1 stop

12:10 - 09:00EZE-LGW

16h 50m1 stop

£821Air Europa

Find Deal

Thu, 14 May - Thu, 18 Jun

17:25 - 07:40LGW-EZE

18h 15m1 stop

12:10 - 09:00EZE-LGW

16h 50m1 stop

£822Air Europa

Find Deal

Wed, 6 May - Wed, 13 May

19:40 - 09:10LHR-EZE

16h 30m1 stop

14:20 - 14:55EZE-LHR

21h 35m1 stop

£823Iberia

Find Deal

Tue, 27 Jan - Tue, 10 Feb

17:25 - 09:10LHR-EZE

18h 45m1 stop

22:45 - 18:15EZE-LHR

16h 30m1 stop

£828Iberia

Find Deal

Tue, 27 Jan - Tue, 10 Feb

19:40 - 16:00LHR-AEP

23h 20m2 stops

18:20 - 14:05AEP-LHR

16h 45m1 stop

£835LATAM Airlines

Find Deal

Tue, 27 Jan - Tue, 10 Feb

20:15 - 11:40LHR-AEP

18h 25m1 stop

14:55 - 14:05AEP-LHR

20h 10m1 stop

£841LATAM Airlines

Find Deal

Mon, 9 Mar - Mon, 16 Mar

12:30 - 10:10LGW-EZE

24h 40m2 stops

21:40 - 07:30EZE-LGW

30h 50m2 stops

£859American Airlines

Find Deal

Sun, 25 Jan - Tue, 10 Feb

Air Europa flights from London to Buenos Aires

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

Air Europa

14 May

LGW17:25London Gatwick

18h 15m

1 stop

EZE07:40Buenos Aires Ministro Pistarini

18 Jun

EZE12:10Buenos Aires Ministro Pistarini

16h 50m

1 stop

LGW09:00London Gatwick

£821

Find similar

Air Europa

6 May

LGW17:25London Gatwick

18h 15m

1 stop

EZE07:40Buenos Aires Ministro Pistarini

13 May

EZE12:10Buenos Aires Ministro Pistarini

16h 50m

1 stop

LGW09:00London Gatwick

£822

Find similar

Air Europa

12 Mar

LGW10:00London Gatwick

25h 50m

1 stop

EZE08:50Buenos Aires Ministro Pistarini

16 Mar

EZE13:15Buenos Aires Ministro Pistarini

16h 45m

1 stop

LGW09:00London Gatwick

£826

Find similar

ITA Airways flights from London to Buenos Aires

Our best ITA Airways deals on London to Buenos Aires flight tickets

ITA Airways

12 Mar

LCY16:45London City

19h 00m

1 stop

EZE08:45Buenos Aires Ministro Pistarini

14 Apr

EZE12:55Buenos Aires Ministro Pistarini

23h 00m

2 stops

LCY15:55London City

£818

Find similar

ITA Airways

26 Feb

LCY16:45London City

19h 00m

1 stop

EZE08:45Buenos Aires Ministro Pistarini

5 Mar

EZE13:50Buenos Aires Ministro Pistarini

18h 05m

1 stop

LCY10:55London City

£825

Find similar

ITA Airways

19 Dec

LCY07:30London City

28h 15m

2 stops

EZE08:45Buenos Aires Ministro Pistarini

23 Jan

EZE13:50Buenos Aires Ministro Pistarini

19h 00m

2 stops

LCY11:50London City

£826

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 3/3

21:40-05:50

1 stop35h 10m

Buenos Aires Ministro Pistarini

Tue 31/3

06:50-10:50

2 stops24h 00m

£817

LondonBuenos Aires

LCY - EZE

LCYEZE

London City

Thu 12/3

16:45-08:45

1 stop19h 00m

Buenos Aires Ministro Pistarini

Tue 14/4

12:55-15:55

2 stops23h 00m

£818

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 12/3

21:40-05:50

1 stop35h 10m

Buenos Aires Ministro Pistarini

Tue 14/4

06:50-10:50

2 stops24h 00m

£819

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Thu 14/5

17:25-07:40

1 stop18h 15m

Buenos Aires Ministro Pistarini

Thu 18/6

12:10-09:00

1 stop16h 50m

£821

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Wed 6/5

17:25-07:40

1 stop18h 15m

Buenos Aires Ministro Pistarini

Wed 13/5

12:10-09:00

1 stop16h 50m

£822

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 27/1

19:40-09:10

1 stop16h 30m

Buenos Aires Ministro Pistarini

Tue 10/2

14:20-14:55

1 stop21h 35m

£823

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 27/1

17:25-09:10

1 stop18h 45m

Buenos Aires Ministro Pistarini

Tue 10/2

22:45-18:15

1 stop16h 30m

£828

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 27/1

19:40-16:00

2 stops23h 20m

Buenos Aires Jorge Newbery

Tue 10/2

18:20-14:05

1 stop16h 45m

£835

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Mon 9/3

20:15-11:40

1 stop18h 25m

Buenos Aires Jorge Newbery

Mon 16/3

14:55-14:05

1 stop20h 10m

£841

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sun 25/1

12:30-10:10

2 stops24h 40m

Buenos Aires Ministro Pistarini

Tue 10/2

21:40-07:30

2 stops30h 50m

£859

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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

Delays

Stopovers

Other information

What is the cheapest month to fly to Buenos Aires?

In general, September 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 £868. If you don’t want to visit Buenos Aires in September, then you should wait until March to fly from London, when ticket prices are also cheap, with an average price of £898.

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 £1,019. 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 £1,192.

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 £844. Flights to Buenos Aires are more costly in the evening, with an average ticket price of £1,096. 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 £1,049 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 £884 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 27% 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 November 2025, prices for London to Buenos Aires flights are approximately 7% cheaper 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	£802
Fastest flight time	16h 45m
Direct flights	Every day
Airports in Buenos Aires	1 airport

The best one-way flight to Buenos Aires from London in the past 72 hours is £802. The best return flight deal from London to Buenos Aires found on momondo in the last 72 hours is £1,113.

The fastest flight from London to Buenos Aires takes 16h 45m

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 00m 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 11 operators available for flights from London to Buenos Aires as of November 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 62.96% of the total bookings. Other popular models include Airbus A350-1000 with 37.04%.
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 23% of all bookings. The subsequent popular airlines are Air Europa at 16%, Lufthansa at 12%, and Iberia at 11%.

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 £458	Free Cancellation	Rating 7.4 1,493 reviews	Search Air France flights
Avianca	PriceFrom £719	Free Cancellation	Rating 6.6 2,477 reviews	Search Avianca flights
Air Europa	PriceFrom £730	Free Cancellation	Rating 7.0 569 reviews	Search Air Europa flights
Iberia	PriceFrom £743	Free Cancellation	Rating 7.0 3,027 reviews	Search Iberia flights
ITA Airways	PriceFrom £750	Free Cancellation	Rating 6.7 1,086 reviews	Search ITA Airways flights
Finnair	PriceFrom £756	Free Cancellation	Rating 7.6 1,334 reviews	Search Finnair flights
British Airways	PriceFrom £821	Free Cancellation	Rating 6.7 7,533 reviews	Search British Airways flights
Lufthansa	PriceFrom £843	Free Cancellation	Rating 6.8 7,579 reviews	Search Lufthansa flights
LATAM Airlines	PriceFrom £895	Free Cancellation	Rating 7.5 1,882 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom £900	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights

Finnair Flights From London to Buenos Aires
Finnair flight deals from London to Buenos Aires start from £756 round-trip. Over the 7 Finnair flights for this route in a normal week, average airfare is usually £1,110 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 £743 round-trip, depending on your selected dates, with average Iberia deals seen on momondo around £1,152. Iberia operates 7 flights to Buenos Aires from London in an average week. Users have rated it 7.0/10 across 3,027 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

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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 £459

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 2/2. 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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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 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 27% 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 November 2025, prices for London to Buenos Aires flights are approximately 7% cheaper when compared to flights at the same time last year.

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

United Airlines and LEVEL are the most popular carriers operating from London to Buenos Aires

Which airlines fly to Buenos Aires?

How often are flights from London to Buenos Aires delayed?

Historically, on average around 0% of flights between London and Buenos Aires have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

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

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday 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 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 £649.

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

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 16h 30m.

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

Frankfurt am Main (FRA) has the shortest average stopover time for this route: 1h 05m.

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

As of November 2025, 3 flights take off from London and land in Buenos Aires each day. The most common flight departure time for this route is 22:00, 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 21 per week as of November 2025. The most frequent departure day is Mon, with 14% 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?