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.

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.

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 $2,053.

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.

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.

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

United Airlines is the most popular carrier operating from London Heathrow to Buenos Aires

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.

$1,000 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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One-way

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06:30 - 06:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 55m1 stop Frankfurt am Main

16:35 - 18:40EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

22h 05m1 stop Frankfurt am Main

$1,589Lufthansa

Wed, 9 Sep - Sun, 27 Sep

18:30 - 07:55LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 25m1 stop Frankfurt am Main

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

22h 45m1 stop Rome Fiumicino

$1,599Multiple Airlines

Mon, 16 Nov - Tue, 8 Dec

17:30 - 07:55LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

17h 25m1 stop Frankfurt am Main

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

22h 45m1 stop Rome Fiumicino

$1,600Multiple Airlines

Mon, 16 Nov - Wed, 25 Nov

17:30 - 07:55LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

17h 25m1 stop Frankfurt am Main

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

22h 45m1 stop Rome Fiumicino

$1,601Multiple Airlines

Mon, 16 Nov - Wed, 25 Nov

18:30 - 07:55LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 25m1 stop Frankfurt am Main

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

22h 45m1 stop Rome Fiumicino

$1,603Multiple Airlines

Mon, 16 Nov - Tue, 8 Dec

06:30 - 06:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 55m1 stop Frankfurt am Main

16:35 - 17:40EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

21h 05m1 stop Frankfurt am Main

$1,606Lufthansa

Mon, 7 Sep - Wed, 23 Sep

06:30 - 06:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 55m1 stop Frankfurt am Main

16:35 - 22:10EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

25h 35m1 stop Frankfurt am Main

$1,617Lufthansa

Mon, 7 Sep - Thu, 24 Sep

06:30 - 06:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 55m1 stop Frankfurt am Main

16:35 - 20:40EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

24h 05m1 stop Frankfurt am Main

$1,640Lufthansa

Sun, 6 Sep - Tue, 22 Sep

13:30 - 06:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

20h 55m1 stop Frankfurt am Main

16:35 - 14:40EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

18h 05m1 stop Frankfurt am Main

$1,682Lufthansa

Wed, 9 Sep - Thu, 24 Sep

14:45 - 05:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

19h 05m1 stop Amsterdam Schiphol

21:10 - 16:35EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 25m1 stop Paris Charles de Gaulle

$1,695Multiple Airlines

Wed, 2 Sep - Tue, 13 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:50 - 09:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

24h 55m2 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

$1,783Delta

Tue, 18 Aug - Sun, 27 Sep

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

22h 30m1 stop Atlanta Hartsfield-Jackson

20:10 - 09:15EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

33h 05m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

$1,789Delta

Mon, 17 Aug - Sun, 23 Aug

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

22h 30m1 stop Atlanta Hartsfield-Jackson

20:10 - 09:15EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

33h 05m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

$1,881Delta

Sun, 16 Aug - Sun, 23 Aug

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

28h 25m1 stop Atlanta Hartsfield-Jackson

20:10 - 09:15EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

33h 05m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

$1,884Delta

Tue, 18 Aug - Tue, 25 Aug

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

22h 30m1 stop Atlanta Hartsfield-Jackson

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

30h 15m1 stop Atlanta Hartsfield-Jackson

$1,898Delta

Mon, 17 Aug - Wed, 19 Aug

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

33h 05m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

$1,901Delta

Tue, 18 Aug - Thu, 20 Aug

08:55 - 09:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

28h 50m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

20:10 - 09:15EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

33h 05m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

$1,903Delta

Mon, 17 Aug - Wed, 19 Aug

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

33h 05m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

$1,977Delta

Sun, 16 Aug - Sun, 23 Aug

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

22h 30m1 stop Atlanta Hartsfield-Jackson

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

37h 05m1 stop Atlanta Hartsfield-Jackson

$2,046Delta

Mon, 17 Aug - Sun, 23 Aug

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

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

$2,071Delta

Tue, 18 Aug - Mon, 24 Aug

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TAP AIR PORTUGAL flights from London Heathrow Airport to Buenos Aires

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Buenos Aires flight tickets

TAP AIR PORTUGAL

12 Nov

LHR19:55London Heathrow

32h 40m

2 stops

EZE01:35Buenos Aires Ministro Pistarini

25 Nov

EZE03:30Buenos Aires Ministro Pistarini

30h 10m

2 stops

LHR12:40London Heathrow

$1,747

TAP AIR PORTUGAL

9 Nov

LHR18:30London Heathrow

44h 20m

3 stops

EZE11:50Buenos Aires Ministro Pistarini

30 Nov

EZE12:45Buenos Aires Ministro Pistarini

29h 50m

2 stops

LHR21:35London Heathrow

$1,748

TAP AIR PORTUGAL

9 Nov

LHR18:30London Heathrow

44h 20m

3 stops

EZE11:50Buenos Aires Ministro Pistarini

30 Nov

EZE12:45Buenos Aires Ministro Pistarini

25h 45m

2 stops

LHR17:30London Heathrow

$1,750

Delta flights from London Heathrow Airport to Buenos Aires

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

Delta

6 Sept

LHR09:40London Heathrow

28h 05m

2 stops

EZE09:45Buenos Aires Ministro Pistarini

15 Sept

EZE20:10Buenos Aires Ministro Pistarini

30h 35m

2 stops

LHR06:45London Heathrow

$1,783

Delta

23 Sept

LHR09:20London Heathrow

28h 25m

1 stop

EZE09:45Buenos Aires Ministro Pistarini

5 Oct

EZE20:10Buenos Aires Ministro Pistarini

30h 15m

1 stop

LHR06:25London Heathrow

$1,785

Delta

3 Sept

LHR11:45London Heathrow

26h 00m

2 stops

EZE09:45Buenos Aires Ministro Pistarini

15 Oct

EZE20:10Buenos Aires Ministro Pistarini

31h 00m

2 stops

LHR07:10London Heathrow

$1,786

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Wed 9/9

06:30-06:25

1 stop27h 55m

Buenos Aires Ministro Pistarini

Sun 27/9

16:35-18:40

1 stop22h 05m

$1,589

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 16/11

18:30-07:55

1 stop16h 25m

Buenos Aires Ministro Pistarini

Tue 8/12

13:55-15:40

1 stop22h 45m

$1,599

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 16/11

17:30-07:55

1 stop17h 25m

Buenos Aires Ministro Pistarini

Wed 25/11

13:55-15:40

1 stop22h 45m

$1,600

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 16/11

17:30-07:55

1 stop17h 25m

Buenos Aires Ministro Pistarini

Wed 25/11

13:55-15:40

1 stop22h 45m

$1,601

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 16/11

18:30-07:55

1 stop16h 25m

Buenos Aires Ministro Pistarini

Tue 8/12

13:55-15:40

1 stop22h 45m

$1,603

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 7/9

06:30-06:25

1 stop27h 55m

Buenos Aires Ministro Pistarini

Wed 23/9

16:35-17:40

1 stop21h 05m

$1,606

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 7/9

06:30-06:25

1 stop27h 55m

Buenos Aires Ministro Pistarini

Thu 24/9

16:35-22:10

1 stop25h 35m

$1,617

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sun 6/9

06:30-06:25

1 stop27h 55m

Buenos Aires Ministro Pistarini

Tue 22/9

16:35-20:40

1 stop24h 05m

$1,640

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Wed 9/9

13:30-06:25

1 stop20h 55m

Buenos Aires Ministro Pistarini

Thu 24/9

16:35-14:40

1 stop18h 05m

$1,682

Fastest return journey

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Wed 2/9

14:45-05:50

1 stop19h 05m

Buenos Aires Ministro Pistarini

Tue 13/10

21:10-16:35

1 stop15h 25m

$1,695

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 low for flights on this route.

Typical prices usually range from $1,963 to $2,497.
The lowest price recently found on this route was $1,589.

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 $1,583, 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 $1,744.

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 $1,949 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 $1,517 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

Fastest flight time	25h 20m
Direct flights	Tue
Airports in Buenos Aires	2 airports

The fastest flight from London Heathrow Airport to Buenos Aires takes 25h 20m

Direct flights go from London Heathrow Airport to Buenos Aires on Tuesday. There are no airlines offering direct flights..

There are 2 airports in Buenos Aires. From London Heathrow Airport there are direct flights to Buenos Aires Ministro Pistarini (EZE).

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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 25h 20m 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

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TAP AIR PORTUGAL flights from London Heathrow Airport to Buenos Aires

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Buenos Aires flight tickets

Delta flights from London Heathrow Airport to Buenos Aires

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

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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

Fastest flight time

Direct flights

Airports in Buenos Aires

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

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According to popular flight searches on momondo this year

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