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

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 16h 00m.

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

As of August 2026, there are 21 flights per week flying from London Heathrow Airport to Buenos Aires. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

Frankfurt am Main (FRA) was the most common stop: 83% of momondo users choosing one-stop flights on this route connected there.

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

Flights via Madrid (MAD) offer the lowest average return price of $2,027.

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

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

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

As of August 2026, there are 3 flights per day flying from London Heathrow Airport to Buenos Aires. The most common time of day flights depart is 21:00, with 100% of flights taking off in the evening.

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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Buenos Aires.

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

The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,028 Cheap Flights from London Heathrow Airport to Buenos Aires in 2026

Find the cheapest flights from London Heathrow Airport to Buenos Aires

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Enter your travel dates to find the best prices.

18:40 - 11:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

20h 10m2 stops Zurich Sao Paulo Guarulhos Intl

14:40 - 13:00EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

19h 20m2 stops Sao Paulo Guarulhos Intl Zurich

$1,534SWISS

Tue, 24 Nov - Wed, 2 Dec

18:40 - 11:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

20h 10m2 stops Zurich Sao Paulo Guarulhos Intl

14:40 - 16:40EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

23h 00m3 stops Sao Paulo Guarulhos Intl Zurich Geneva Geneve-Cointrin

$1,581SWISS

Tue, 24 Nov - Wed, 2 Dec

20:05 - 11:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

42h 45m2 stops Zurich Sao Paulo Guarulhos Intl

14:40 - 16:40EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

23h 00m3 stops Sao Paulo Guarulhos Intl Zurich Geneva Geneve-Cointrin

$1,588SWISS

Mon, 23 Nov - Wed, 25 Nov

17:10 - 11:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

21h 40m2 stops Zurich Sao Paulo Guarulhos Intl

17:45 - 15:50EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

19h 05m2 stops Frankfurt am Main Munich Franz Josef Strauss

$1,591Multiple Airlines

Tue, 17 Nov - Tue, 1 Dec

20:05 - 11:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

42h 45m2 stops Zurich Sao Paulo Guarulhos Intl

14:40 - 21:25EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

27h 45m3 stops Sao Paulo Guarulhos Intl Zurich Geneva Geneve-Cointrin

$1,595SWISS

Mon, 23 Nov - Wed, 2 Dec

19:30 - 11:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

43h 20m3 stops Geneva Geneve-Cointrin Zurich Sao Paulo Guarulhos Intl

14:40 - 16:40EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

23h 00m3 stops Sao Paulo Guarulhos Intl Zurich Geneva Geneve-Cointrin

$1,646SWISS

Mon, 23 Nov - Wed, 25 Nov

10:30 - 08:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

25h 20m1 stop Rome Fiumicino

13:55 - 09:40EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

16h 45m1 stop Rome Fiumicino

$1,655ITA Airways

Mon, 16 Nov - Tue, 8 Dec

16:30 - 08:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

19h 20m1 stop Rome Fiumicino

13:55 - 15:40EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

22h 45m1 stop Rome Fiumicino

$1,658ITA Airways

Mon, 16 Nov - Tue, 8 Dec

18:40 - 11:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

20h 10m2 stops Zurich Sao Paulo Guarulhos Intl

02:05 - 13:00EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

31h 55m2 stops Sao Paulo Guarulhos Intl Zurich

$1,662SWISS

Tue, 24 Nov - Thu, 3 Dec

17:10 - 16:00LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

25h 50m2 stops Zurich Sao Paulo Guarulhos Intl

02:05 - 13:00EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

31h 55m2 stops Sao Paulo Guarulhos Intl Zurich

$1,689SWISS

Sat, 21 Nov - Sat, 28 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

10:45 - 09:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 00m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

20:10 - 06:45EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

30h 35m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

$1,775Delta

Sun, 30 Aug - Sun, 27 Sep

11:45 - 09:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

26h 00m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

20:10 - 06:25EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

30h 15m1 stop Atlanta Hartsfield-Jackson

$1,779Delta

Mon, 31 Aug - Thu, 15 Oct

11:05 - 08:00LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

24h 55m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

21:00 - 05:55EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

28h 55m2 stops Houston George Bush Intcntl Newark

$1,834United Airlines

Tue, 1 Sep - Thu, 15 Oct

13:25 - 09:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

24h 20m1 stop Atlanta Hartsfield-Jackson

20:10 - 13:15EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

37h 05m1 stop Atlanta Hartsfield-Jackson

$1,892Delta

Sun, 30 Aug - Fri, 4 Sep

08:00 - 12:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

32h 25m3 stops Lisbon Humberto Delgado Curitiba Afonso Pena Rio de Janeiro–Galeão Intl

13:15 - 10:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

41h 05m2 stops Rio de Janeiro–Galeão Intl Lisbon Humberto Delgado

$2,019TAP AIR PORTUGAL

Tue, 1 Sep - Tue, 13 Oct

10:45 - 09:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 00m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

20:10 - 10:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

34h 10m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

$2,064Delta

Sat, 29 Aug - Sat, 5 Sep

09:20 - 09:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

28h 25m1 stop Atlanta Hartsfield-Jackson

20:10 - 07:10EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

31h 00m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$2,083Delta

Fri, 28 Aug - Mon, 31 Aug

11:15 - 09:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

26h 30m1 stop Atlanta Hartsfield-Jackson

20:10 - 10:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

34h 10m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

$2,178Delta

Sun, 30 Aug - Thu, 3 Sep

13:25 - 09:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

24h 20m1 stop Atlanta Hartsfield-Jackson

20:10 - 07:10EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

31h 00m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$2,206Delta

Sun, 30 Aug - Sun, 6 Sep

06:30 - 21:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

19h 20m2 stops Amsterdam Schiphol Paris Charles de Gaulle

23:55 - 21:25EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

17h 30m1 stop Paris Charles de Gaulle

$2,484Multiple Airlines

Fri, 28 Aug - Sun, 6 Sep

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Delta flights from London Heathrow Airport to Buenos Aires

Our best Delta deals on London Heathrow Airport to Buenos Aires flight tickets

Delta

24 Sept

LHR10:45London Heathrow

27h 00m

2 stops

EZE09:45Buenos Aires Ministro Pistarini

21 Oct

EZE20:10Buenos Aires Ministro Pistarini

31h 00m

2 stops

LHR07:10London Heathrow

$1,775

Delta

24 Sept

LHR13:25London Heathrow

24h 20m

1 stop

EZE09:45Buenos Aires Ministro Pistarini

13 Oct

EZE20:10Buenos Aires Ministro Pistarini

30h 35m

2 stops

LHR06:45London Heathrow

$1,776

Delta

16 Sept

LHR15:15London Heathrow

22h 30m

1 stop

EZE09:45Buenos Aires Ministro Pistarini

21 Jan

EZE23:35Buenos Aires Ministro Pistarini

27h 50m

1 stop

LHR06:25London Heathrow

$1,778

British Airways flights from London Heathrow Airport to Buenos Aires

Our best British Airways deals on London Heathrow Airport to Buenos Aires flight tickets

British Airways

22 Sept

LHR18:45London Heathrow

25h 20m

1 stop

EZE16:05Buenos Aires Ministro Pistarini

14 Oct

EZE12:25Buenos Aires Ministro Pistarini

15h 45m

1 stop

LHR08:10London Heathrow

$1,712

British Airways

17 Nov

LHR19:05London Heathrow

25h 20m

1 stop

EZE17:25Buenos Aires Ministro Pistarini

30 Nov

EZE13:35Buenos Aires Ministro Pistarini

15h 45m

1 stop

LHR08:20London Heathrow

$1,715

British Airways

20 Nov

LHR19:05London Heathrow

25h 20m

1 stop

EZE17:25Buenos Aires Ministro Pistarini

30 Nov

EZE13:35Buenos Aires Ministro Pistarini

15h 45m

1 stop

LHR08:20London Heathrow

$1,717

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Buenos Aires that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 24/11

18:40-11:50

2 stops20h 10m

Buenos Aires Ministro Pistarini

Wed 2/12

14:40-13:00

2 stops19h 20m

$1,534

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 24/11

18:40-11:50

2 stops20h 10m

Buenos Aires Ministro Pistarini

Wed 2/12

14:40-16:40

3 stops23h 00m

$1,581

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 23/11

20:05-11:50

2 stops42h 45m

Buenos Aires Ministro Pistarini

Wed 25/11

14:40-16:40

3 stops23h 00m

$1,588

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 17/11

17:10-11:50

2 stops21h 40m

Buenos Aires Ministro Pistarini

Tue 1/12

17:45-15:50

2 stops19h 05m

$1,591

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 23/11

20:05-11:50

2 stops42h 45m

Buenos Aires Ministro Pistarini

Wed 2/12

14:40-21:25

3 stops27h 45m

$1,595

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 23/11

19:30-11:50

3 stops43h 20m

Buenos Aires Ministro Pistarini

Wed 25/11

14:40-16:40

3 stops23h 00m

$1,646

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 16/11

10:30-08:50

1 stop25h 20m

Buenos Aires Ministro Pistarini

Tue 8/12

13:55-09:40

1 stop16h 45m

$1,655

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 16/11

16:30-08:50

1 stop19h 20m

Buenos Aires Ministro Pistarini

Tue 8/12

13:55-15:40

1 stop22h 45m

$1,658

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 24/11

18:40-11:50

2 stops20h 10m

Buenos Aires Ministro Pistarini

Thu 3/12

02:05-13:00

2 stops31h 55m

$1,662

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sat 21/11

17:10-16:00

2 stops25h 50m

Buenos Aires Ministro Pistarini

Sat 28/11

02:05-13:00

2 stops31h 55m

$1,689

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 London Heathrow Airport 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 Heathrow Airport and Buenos Aires?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,457 to $2,097.
The lowest price recently found on this route was $1,534.

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from London Heathrow Airport is in May. Flight prices, which tend to average around $1,591, are often lower during this time because this is during the off-season. If you don’t want to visit Buenos Aires in May, then you should wait until November to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $1,668.

How far in advance should I book a flight from London Heathrow Airport to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,923 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 Heathrow Airport for as low as $1,498 on momondo.

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

As of August 2026, prices for London Heathrow Airport to Buenos Aires flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Buenos Aires

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

Estimated return price

Cheap London Heathrow Airport to Buenos Aires (LHR to BUE) flight deals and tips

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

Best price found	$1,028
Fastest flight time	16h 45m
Direct flights	None

The best one-way flight to Buenos Aires from London Heathrow Airport in the past 72 hours is $1,028. The best return flight deal from London Heathrow Airport to Buenos Aires found on momondo in the last 72 hours is $1,534.

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

There are no direct flights from London Heathrow Airport to Buenos Aires. There are no popular flight routes from London Heathrow Airport to Buenos Aires.

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Buenos Aires

How far is London Heathrow to Buenos Aires by plane?
London Heathrow and Buenos Aires are 11101.7 km apart from one another. Typically, this will take 16h 45m by plane in normal conditions.
When did momondo last update prices for flights from London Heathrow Airport to Buenos Aires?
Prices for flights from London Heathrow Airport to Buenos Aires are updated daily.
How old do you have to be to fly from London Heathrow Airport to Buenos Aires?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to Buenos Aires?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Buenos Aires is Boeing 777, representing 100.00% of all bookings.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Buenos Aires for you.

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

Yes. momondo enables you to select and highlight flights to Buenos Aires from London with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Of course. momondo tracks the price of London to Buenos Aires 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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Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from London Heathrow Airport to Buenos Aires from $1,028

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Delta flights from London Heathrow Airport to Buenos Aires

Our best Delta deals on London Heathrow Airport to Buenos Aires flight tickets

British Airways flights from London Heathrow Airport to Buenos Aires

Our best British Airways deals on London Heathrow Airport to Buenos Aires flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Buenos Aires that are best for you.

See travel insights to Buenos Aires from

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

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

What is the cheapest month to fly to Buenos Aires?

How far in advance should I book a flight from London Heathrow Airport to Buenos Aires?

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

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

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

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

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

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

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

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

When to book flights from London Heathrow Airport to Buenos Aires

Cheap London Heathrow Airport to Buenos Aires (LHR to BUE) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from London Heathrow Airport to Buenos Aires

Why use momondo?

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 27.4 km from Buenos Aires

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

Popular Cities in Argentina

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from London Heathrow Airport

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year