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

As of August 2026, there are 3 flights per day flying from London to Buenos Aires. The most common time of day flights depart is 9:00PM, with 100% of flights taking off in the evening.

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

Paris (CDG) was the most common stop: 29% of momondo users choosing 1-stop flights on this route connected there.

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

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

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

Avianca is the most popular carrier operating from London to Buenos Aires

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

21 flights are operational weekly from London to Buenos Aires as of August 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

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

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

Flights via Bogotá (BOG) offer the lowest average round-trip price of $1,088.

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

Prices for flights from London to Buenos Aires refresh daily.

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 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 license, 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.

$589 Cheap Flights from London to Buenos Aires in 2026

Find the cheapest flights from London to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 7:05 amLGW London Gatwick-EZE Buenos Aires Ministro Pistarini

29h 05m2 stops Madrid Barajas Santiago Arturo Merino Benitez

12:50 am - 10:15 amEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

29h 25m2 stops Rome Fiumicino Barcelona-El Prat

$1,121Multiple Airlines

Tue, Sep 1 - Tue, Sep 29

6:00 am - 7:05 amLGW London Gatwick-EZE Buenos Aires Ministro Pistarini

29h 05m2 stops Madrid Barajas Santiago Arturo Merino Benitez

12:50 am - 8:30 amEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

27h 40m2 stops Rome Fiumicino Barcelona-El Prat

$1,122Multiple Airlines

Tue, Sep 1 - Tue, Sep 29

1:30 pm - 6:25 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

20h 55m1 stop Frankfurt am Main

4:35 pm - 12:40 pmEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

16h 05m1 stop Frankfurt am Main

$1,138Lufthansa

Wed, Sep 2 - Fri, Oct 16

11:30 am - 6:25 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

22h 55m1 stop Frankfurt am Main

1:30 pm - 4:25 pmEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

22h 55m2 stops Sao Paulo Guarulhos Intl Zurich

$1,139Multiple Airlines

Wed, Sep 2 - Wed, Oct 14

11:35 am - 12:05 amLGW London Gatwick-EZE Buenos Aires Ministro Pistarini

40h 30m2 stops Montreal Pierre Elliott Trudeau Intl Punta Cana

11:50 am - 9:30 amEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

17h 40m1 stop Barcelona-El Prat

$1,149Multiple Airlines

Sun, Oct 4 - Mon, Oct 19

9:40 pm - 12:35 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

29h 55m1 stop Bogotá El Dorado

4:55 pm - 2:35 pmEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

18h 40m1 stop Bogotá El Dorado

$1,165Avianca

Mon, Nov 2 - Fri, Nov 20

3:00 pm - 3:05 pmLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 05m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl

4:45 pm - 8:30 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

36h 45m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl

$1,166Air Canada

Fri, Nov 20 - Sun, Nov 29

3:00 pm - 3:05 pmLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 05m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl

4:45 pm - 11:20 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

39h 35m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl

$1,168Air Canada

Tue, Jan 26 - Sat, Feb 13

6:00 pm - 3:05 pmLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

24h 05m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl

4:45 pm - 7:10 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

35h 25m3 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,169Air Canada

Fri, Nov 20 - Sun, Nov 29

8:30 am - 2:30 pmLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

34h 00m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl

4:35 pm - 6:35 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

34h 00m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl

$1,170Air Canada

Sun, Oct 4 - Mon, Oct 19

Cheap last minute flights

Enter your travel dates to find the best prices.

5:25 pm - 7:40 amLGW London Gatwick-EZE Buenos Aires Ministro Pistarini

18h 15m1 stop Madrid Barajas

12:10 pm - 9:00 amEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

16h 50m1 stop Madrid Barajas

$1,467Air Europa

Wed, Aug 12 - Thu, Aug 20

5:45 pm - 8:25 pmLGW London Gatwick-EZE Buenos Aires Ministro Pistarini

30h 40m2 stops Rome Fiumicino Addis Ababa Bole

12:50 am - 7:15 amEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

26h 25m2 stops Rome Fiumicino Barcelona-El Prat

$1,479Multiple Airlines

Mon, Aug 10 - Tue, Aug 11

8:00 pm - 4:05 pmLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

24h 05m1 stop Madrid Barajas

1:00 pm - 10:35 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

17h 35m1 stop Madrid Barajas

$1,553British Airways

Mon, Aug 10 - Mon, Aug 17

7:15 pm - 11:30 pmLCY London City-EZE Buenos Aires Ministro Pistarini

32h 15m1 stop Madrid Barajas

11:50 am - 1:20 pmEZE Buenos Aires Ministro Pistarini-LCY London City

21h 30m1 stop Barcelona-El Prat

$1,555Iberia

Mon, Aug 10 - Mon, Aug 17

4:30 pm - 7:30 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

19h 00m1 stop Rome Fiumicino

12:55 pm - 9:40 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

16h 45m1 stop Rome Fiumicino

$1,563ITA Airways

Wed, Aug 12 - Thu, Aug 20

2:30 pm - 9:55 amLGW London Gatwick-EZE Buenos Aires Ministro Pistarini

23h 25m1 stop Barcelona-El Prat

1:15 am - 8:00 pmEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

14h 45m1 stop Madrid Barajas

$1,643Iberia

Mon, Aug 10 - Sun, Aug 16

8:00 pm - 4:00 pmLHR London Heathrow-AEP Buenos Aires Jorge Newbery

24h 00m2 stops Madrid Barajas Lima J Chavez Intl

6:20 pm - 3:05 pmAEP Buenos Aires Jorge Newbery-LHR London Heathrow

16h 45m1 stop Sao Paulo Guarulhos Intl

$1,710LATAM Airlines

Mon, Aug 10 - Wed, Aug 12

8:05 pm - 10:50 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

42h 45m2 stops Zurich Sao Paulo Guarulhos Intl

4:35 pm - 12:40 pmEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

16h 05m1 stop Frankfurt am Main

$1,727Multiple Airlines

Mon, Aug 10 - Wed, Aug 12

6:30 am - 9:45 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

31h 15m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

8:10 pm - 9:15 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

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

$1,743Delta

Mon, Aug 10 - Mon, Aug 17

6:30 am - 6:25 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 55m1 stop Frankfurt am Main

4:35 pm - 5:40 pmEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

21h 05m1 stop Frankfurt am Main

$1,774Lufthansa

Sat, Aug 8 - Sat, Aug 15

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from London to Buenos Aires

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

British Airways

Nov 13

LHR7:05 pmLondon Heathrow

25h 20m

1 stop

EZE5:25 pmBuenos Aires Ministro Pistarini

Nov 30

EZE1:35 pmBuenos Aires Ministro Pistarini

15h 45m

1 stop

LHR8:20 amLondon Heathrow

$1,189

British Airways

Dec 16

LHR6:45 pmLondon Heathrow

25h 40m

1 stop

EZE5:25 pmBuenos Aires Ministro Pistarini

Dec 20

EZE10:45 pmBuenos Aires Ministro Pistarini

17h 05m

1 stop

LHR6:50 pmLondon Heathrow

$1,228

British Airways

Sep 21

LHR8:00 pmLondon Heathrow

24h 05m

1 stop

EZE4:05 pmBuenos Aires Ministro Pistarini

Sep 30

EZE9:40 pmBuenos Aires Ministro Pistarini

17h 30m

1 stop

LHR7:10 pmLondon Heathrow

$1,229

American Airlines flights from London to Buenos Aires

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

American Airlines

Sep 17

LHR12:15 pmLondon Heathrow

24h 15m

1 stop

EZE8:30 amBuenos Aires Ministro Pistarini

Sep 24

EZE9:15 pmBuenos Aires Ministro Pistarini

29h 10m

1 stop

LHR6:25 amLondon Heathrow

$1,222

American Airlines

Sep 14

LHR12:15 pmLondon Heathrow

24h 15m

1 stop

EZE8:30 amBuenos Aires Ministro Pistarini

Oct 12

EZE9:10 pmBuenos Aires Ministro Pistarini

20h 30m

1 stop

LHR9:40 pmLondon Heathrow

$1,225

American Airlines

Nov 16

LHR4:40 pmLondon Heathrow

21h 05m

1 stop

EZE10:45 amBuenos Aires Ministro Pistarini

Nov 25

EZE10:50 pmBuenos Aires Ministro Pistarini

28h 55m

1 stop

LHR6:45 amLondon Heathrow

$1,227

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBuenos Aires

LGW London Gatwick - EZE Buenos Aires Ministro Pistarini

LGWEZE

London Gatwick

Tue 9/1

6:00 am-7:05 am

2 stops29h 05m

Buenos Aires Ministro Pistarini

Tue 9/29

12:50 am-10:15 am

2 stops29h 25m

$1,121

LondonBuenos Aires

LGW London Gatwick - EZE Buenos Aires Ministro Pistarini

LGWEZE

London Gatwick

Tue 9/1

6:00 am-7:05 am

2 stops29h 05m

Buenos Aires Ministro Pistarini

Tue 9/29

12:50 am-8:30 am

2 stops27h 40m

$1,122

Quickest round-trip

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Wed 9/2

1:30 pm-6:25 am

1 stop20h 55m

Buenos Aires Ministro Pistarini

Fri 10/16

4:35 pm-12:40 pm

1 stop16h 05m

$1,138

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Wed 9/2

11:30 am-6:25 am

1 stop22h 55m

Buenos Aires Ministro Pistarini

Wed 10/14

1:30 pm-4:25 pm

2 stops22h 55m

$1,139

LondonBuenos Aires

LGW London Gatwick - EZE Buenos Aires Ministro Pistarini

LGWEZE

London Gatwick

Sun 10/4

11:35 am-12:05 am

2 stops40h 30m

Buenos Aires Ministro Pistarini

Mon 10/19

11:50 am-9:30 am

1 stop17h 40m

$1,149

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 11/2

9:40 pm-12:35 am

1 stop29h 55m

Buenos Aires Ministro Pistarini

Fri 11/20

4:55 pm-2:35 pm

1 stop18h 40m

$1,165

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Fri 11/20

3:00 pm-3:05 pm

2 stops27h 05m

Buenos Aires Ministro Pistarini

Sun 11/29

4:45 pm-8:30 am

2 stops36h 45m

$1,166

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 1/26

3:00 pm-3:05 pm

2 stops27h 05m

Buenos Aires Ministro Pistarini

Sat 2/13

4:45 pm-11:20 am

2 stops39h 35m

$1,168

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Fri 11/20

6:00 pm-3:05 pm

2 stops24h 05m

Buenos Aires Ministro Pistarini

Sun 11/29

4:45 pm-7:10 am

3 stops35h 25m

$1,169

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sun 10/4

8:30 am-2:30 pm

2 stops34h 00m

Buenos Aires Ministro Pistarini

Mon 10/19

4:35 pm-6:35 am

2 stops34h 00m

$1,170

Flights are sorted by cheapest round-trip 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

Layovers

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from $1,284 to $1,704.
The lowest price recently found on this route was $1,121.

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from London is in May. Flight prices, which tend to average around $1,170, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from London during September instead. Flights to Buenos Aires in September, while not as cheap as those in May, still average around $1,204.

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 $1,387 when searching weeks out. 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 $1,075 on momondo.

Can stopping save me money on London to Buenos Aires flights?

You could potentially save up to 44% 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 August 2026, prices for London to Buenos Aires flights are approximately 20% 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 round-trip 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

Fastest flight time	16h 55m
Direct flights	Wed, Thu, Fri, Sat and Sun
Airports in Buenos Aires	2 airports

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

Direct flights go from London to Buenos Aires on Wednesday, Thursday, Friday, Saturday and Sunday. 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).

Search flight deals

Frequently asked questions about flying from London to Buenos Aires

How far is London to Buenos Aires by plane?
Buenos Aires is 6909.8 mi away from London. A reasonable flight in good conditions will take 16h 55m.
When did momondo last update prices for flights from London to Buenos Aires?
Prices for flights from London to Buenos Aires refresh daily.
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 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 license, 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 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.
What is the most popular airline from London to Buenos Aires?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London to Buenos Aires is Avianca (30% of total bookings). The next most popular airlines are British Airways (27%), LATAM Airlines (25%), and Lufthansa (18%).

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?

All flight searches from London to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

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?

If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from London and alert you when they change.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sun 9/6

Sun 9/13

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Argentina

Nearby airports

Cabin classes

Other Argentina destinations

Other flights from London

Complete your trip

Feeling lucky

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 $589

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 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from London to Buenos Aires

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

British Airways flights from London to Buenos Aires

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

American Airlines flights from London to Buenos Aires

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

momondo Fare Finder

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

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?

Can stopping save me money on London to Buenos Aires flights?

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 layover for flights between London and Buenos Aires?

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

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

Which layover 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

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, organize 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

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

According to popular flight searches on momondo this year

Complete your trip to Buenos Aires

Explore popular destinations other users love

According to popular flight searches on momondo this year