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

The number of flights available between London and Buenos Aires is 2 per day as of September 2026. The most frequent departure time is 21:00, with 100% of daily flights leaving in the evening.

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

Flights via Houston (IAH) offer the lowest average return price of €914.

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

Madrid (MAD) has the shortest average stopover time for this route: 1h 25m.

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

Houston (IAH) was the most common stop: 33% of momondo users choosing one-stop flights on this route connected there.

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

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

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

20 flights are operational weekly from London to Buenos Aires as of September 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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 35m.

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

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

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

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

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

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

€579 Cheap Flights from London to Buenos Aires in 2026/27

Find the cheapest flights from London to Buenos Aires

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One-way

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Enter your travel dates to find the best prices.

09:55 - 17:30LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

34h 35m1 stop Barcelona-El Prat

13:00 - 20:05EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

28h 05m1 stop Barcelona-El Prat

€1,004LEVEL

Thu, 25 Feb - Mon, 8 Mar

21:35 - 15:40LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

21h 05m1 stop Bogotá El Dorado

16:50 - 15:35EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

18h 45m1 stop Bogotá El Dorado

€1,010Avianca

Tue, 3 Nov - Tue, 1 Jun

10:00 - 08:50LGW London Gatwick-EZE Buenos Aires Ministro Pistarini

25h 50m1 stop Madrid Barajas

13:15 - 16:25EZE Buenos Aires Ministro Pistarini-LGW London Gatwick

24h 10m1 stop Madrid Barajas

€1,011Air Europa

Thu, 11 Feb - Thu, 4 Mar

21:35 - 06:05LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

35h 30m1 stop Bogotá El Dorado

16:50 - 15:35EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

18h 45m1 stop Bogotá El Dorado

€1,019Avianca

Mon, 2 Nov - Tue, 1 Jun

22:05 - 05:40LHR London Heathrow-AEP Buenos Aires Jorge Newbery

35h 35m1 stop Bogotá El Dorado

07:00 - 15:35AEP Buenos Aires Jorge Newbery-LHR London Heathrow

28h 35m1 stop Bogotá El Dorado

€1,019Avianca

Sat, 10 Oct - Fri, 23 Oct

19:40 - 17:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

24h 45m1 stop Madrid Barajas

15:10 - 08:30EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

13h 20mdirect

€1,022British Airways

Tue, 26 Jan - Tue, 27 Apr

21:35 - 15:40LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

21h 05m1 stop Bogotá El Dorado

07:25 - 14:35EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

28h 10m1 stop Bogotá El Dorado

€1,024Avianca

Mon, 23 Nov - Mon, 15 Feb

21:35 - 05:40LHR London Heathrow-AEP Buenos Aires Jorge Newbery

35h 05m1 stop Bogotá El Dorado

07:05 - 14:35AEP Buenos Aires Jorge Newbery-LHR London Heathrow

28h 30m1 stop Bogotá El Dorado

€1,024Avianca

Mon, 23 Nov - Thu, 11 Feb

21:35 - 00:30LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

29h 55m1 stop Bogotá El Dorado

16:50 - 14:35EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

18h 45m1 stop Bogotá El Dorado

€1,026Avianca

Sat, 14 Nov - Fri, 4 Dec

17:25 - 08:50LGW London Gatwick-EZE Buenos Aires Ministro Pistarini

18h 25m1 stop Madrid Barajas

12:25 - 08:00EZE Buenos Aires Ministro Pistarini-LGW London Gatwick

16h 35m1 stop Madrid Barajas

€1,028Air Europa

Tue, 23 Feb - Sat, 27 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

06:15 - 18:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 35m1 stop Paris Charles de Gaulle

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

17h 30m1 stop Paris Charles de Gaulle

€1,013Air France

Thu, 24 Sep - Wed, 7 Oct

22:05 - 05:40LHR London Heathrow-AEP Buenos Aires Jorge Newbery

35h 35m1 stop Bogotá El Dorado

07:00 - 15:35AEP Buenos Aires Jorge Newbery-LHR London Heathrow

28h 35m1 stop Bogotá El Dorado

€1,019Avianca

Mon, 21 Sep - Mon, 5 Oct

22:05 - 05:40LHR London Heathrow-AEP Buenos Aires Jorge Newbery

35h 35m1 stop Bogotá El Dorado

07:00 - 15:35AEP Buenos Aires Jorge Newbery-LHR London Heathrow

28h 35m1 stop Bogotá El Dorado

€1,024Avianca

Mon, 21 Sep - Mon, 5 Oct

22:05 - 00:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

30h 20m1 stop Bogotá El Dorado

07:10 - 15:35EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

28h 25m1 stop Bogotá El Dorado

€1,024Avianca

Sun, 20 Sep - Sat, 3 Oct

17:00 - 18:50LGW London Gatwick-EZE Buenos Aires Ministro Pistarini

29h 50m1 stop Paris Charles de Gaulle

23:55 - 16:00EZE Buenos Aires Ministro Pistarini-LGW London Gatwick

36h 05m1 stop Paris Charles de Gaulle

€1,043Air France

Mon, 21 Sep - Mon, 5 Oct

22:05 - 05:40LHR London Heathrow-AEP Buenos Aires Jorge Newbery

35h 35m1 stop Bogotá El Dorado

07:00 - 15:35AEP Buenos Aires Jorge Newbery-LHR London Heathrow

28h 35m1 stop Bogotá El Dorado

€1,044Avianca

Mon, 21 Sep - Mon, 5 Oct

17:00 - 18:50LGW London Gatwick-EZE Buenos Aires Ministro Pistarini

29h 50m1 stop Paris Charles de Gaulle

23:55 - 16:00EZE Buenos Aires Ministro Pistarini-LGW London Gatwick

36h 05m1 stop Paris Charles de Gaulle

€1,060Air France

Mon, 21 Sep - Mon, 5 Oct

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

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

€1,101Delta

Thu, 24 Sep - Thu, 1 Oct

15:40 - 18:50LGW London Gatwick-EZE Buenos Aires Ministro Pistarini

31h 10m2 stops Milan Linate Paris Charles de Gaulle

15:05 - 20:15EZE Buenos Aires Ministro Pistarini-LGW London Gatwick

25h 10m2 stops Amsterdam Schiphol Milan Linate

€1,103Multiple Airlines

Mon, 21 Sep - Mon, 5 Oct

06:15 - 18:50LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 35m1 stop Paris Charles de Gaulle

23:55 - 09:00EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

29h 05m2 stops Paris Charles de Gaulle Amsterdam Schiphol

€1,109Multiple Airlines

Thu, 24 Sep - Wed, 7 Oct

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Air Europa flights from London to Buenos Aires

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

Air Europa

11 Feb

LGW10:00London Gatwick

25h 50m

1 stop

EZE08:50Buenos Aires Ministro Pistarini

4 Mar

EZE13:15Buenos Aires Ministro Pistarini

24h 10m

1 stop

LGW16:25London Gatwick

€1,011

Air Europa

23 Feb

LGW17:25London Gatwick

18h 25m

1 stop

EZE08:50Buenos Aires Ministro Pistarini

22 Mar

EZE13:15Buenos Aires Ministro Pistarini

16h 45m

1 stop

LGW09:00London Gatwick

€1,028

Air Europa

2 Feb

LGW10:00London Gatwick

25h 50m

1 stop

EZE08:50Buenos Aires Ministro Pistarini

9 Feb

EZE13:15Buenos Aires Ministro Pistarini

16h 45m

1 stop

LGW09:00London Gatwick

€1,033

Air Canada flights from London to Buenos Aires

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

Air Canada

12 Nov

LHR18:00London Heathrow

24h 05m

2 stops

EZE15:05Buenos Aires Ministro Pistarini

25 Nov

EZE16:45Buenos Aires Ministro Pistarini

34h 45m

2 stops

LHR06:30London Heathrow

€1,043

Air Canada

16 Jan

LHR18:00London Heathrow

24h 05m

2 stops

EZE15:05Buenos Aires Ministro Pistarini

5 Feb

EZE16:45Buenos Aires Ministro Pistarini

34h 45m

2 stops

LHR06:30London Heathrow

€1,079

Air Canada

15 Jan

LHR18:00London Heathrow

24h 05m

2 stops

EZE15:05Buenos Aires Ministro Pistarini

7 Feb

EZE16:45Buenos Aires Ministro Pistarini

36h 45m

2 stops

LHR08:30London Heathrow

€1,119

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Thu 25/2

09:55-17:30

1 stop34h 35m

Buenos Aires Ministro Pistarini

Mon 8/3

13:00-20:05

1 stop28h 05m

€1,004

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 3/11

21:35-15:40

1 stop21h 05m

Buenos Aires Ministro Pistarini

Tue 1/6

16:50-15:35

1 stop18h 45m

€1,010

LondonBuenos Aires

LGW London Gatwick - EZE Buenos Aires Ministro Pistarini

LGWEZE

London Gatwick

Thu 11/2

10:00-08:50

1 stop25h 50m

Buenos Aires Ministro Pistarini

Thu 4/3

13:15-16:25

1 stop24h 10m

€1,011

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 2/11

21:35-06:05

1 stop35h 30m

Buenos Aires Ministro Pistarini

Tue 1/6

16:50-15:35

1 stop18h 45m

€1,019

LondonBuenos Aires

LHR London Heathrow - AEP Buenos Aires Jorge Newbery

LHRAEP

London Heathrow

Sat 10/10

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Fri 23/10

07:00-15:35

1 stop28h 35m

€1,019

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 26/1

19:40-17:25

1 stop24h 45m

Buenos Aires Ministro Pistarini

Tue 27/4

15:10-08:30

Nonstop13h 20m

€1,022

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 23/11

21:35-15:40

1 stop21h 05m

Buenos Aires Ministro Pistarini

Mon 15/2

07:25-14:35

1 stop28h 10m

€1,024

LondonBuenos Aires

LHR London Heathrow - AEP Buenos Aires Jorge Newbery

LHRAEP

London Heathrow

Mon 23/11

21:35-05:40

1 stop35h 05m

Buenos Aires Jorge Newbery

Thu 11/2

07:05-14:35

1 stop28h 30m

€1,024

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sat 14/11

21:35-00:30

1 stop29h 55m

Buenos Aires Ministro Pistarini

Fri 4/12

16:50-14:35

1 stop18h 45m

€1,026

Fastest return journey

LondonBuenos Aires

LGW London Gatwick - EZE Buenos Aires Ministro Pistarini

LGWEZE

London Gatwick

Tue 23/2

17:25-08:50

1 stop18h 25m

Buenos Aires Ministro Pistarini

Sat 27/3

12:25-08:00

1 stop16h 35m

€1,028

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 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?

Prices are currently typical for flights on this route.

Typical prices usually range from €989 to €1,317.
The lowest price recently found on this route was €1,004.

What is the cheapest month to fly to Buenos Aires?

In general, May 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 €1,016. If you aren’t able to travel to Buenos Aires during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of €1,062.

How far in advance should I book a flight from London 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 €1,206 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 €991 on momondo.

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

As of September 2026, prices for London to Buenos Aires flights are approximately 31% 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	€579
Fastest flight time	16h 55m
Direct flights	Thu and Sat
Airports in Buenos Aires	2 airports

The best one-way flight to Buenos Aires from London in the past 72 hours is €579. The best return flight deal from London to Buenos Aires found on momondo in the last 72 hours is €1,004.

The fastest flight from London to Buenos Aires takes 16h 55m

Direct flights go from London to Buenos Aires on Thursday and Saturday. There are no airlines offering direct flights..

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

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Frequently asked questions about flying from London to Buenos Aires

How far is London to Buenos Aires by plane?
London and Buenos Aires are 11120.2 km apart from one another. By plane, this route typically takes 16h 55m.
When did momondo last update prices for flights from London to Buenos Aires?
Prices for flights from London to Buenos Aires were last updated today.
How old do you have to be to fly from London to Buenos Aires?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The necessary travel and health documents for your Buenos Aires trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Buenos Aires?
Based on momondo bookings for flights between London and Buenos Aires, the leading plane model is Boeing 777, making up 100.00% of the total bookings.

Why use momondo?

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

Finding the right flight to Buenos Aires from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

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

Yes. All flights to Buenos Aires from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Buenos Aires from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

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Fly into one of these airports located in Buenos Aires

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Cheap flights from London to Buenos Aires from €579

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 27/11. 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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Air Europa flights from London to Buenos Aires

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

Air Canada flights from London to Buenos Aires

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

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See travel insights to Buenos Aires from

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

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?

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

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

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

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

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

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

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

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

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

When to book flights from London to Buenos Aires

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

Best price found

Fastest flight time

Direct flights

Airports in Buenos Aires

Frequently asked questions about flying from London 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

Popular Cities in Argentina

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

Fly to other destinations from London

According to popular flight searches on momondo this year

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