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 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.

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

Madrid (MAD) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Bogotá (BOG) offer the lowest average round-trip price of $1,099.

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 September 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

As of September 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.

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

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

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.

$642 Cheap Flights from London to Buenos Aires in 2026/27

Find the cheapest flights from London to Buenos Aires

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:25 pm - 11:10 amLGW London Gatwick-EZE Buenos Aires Ministro Pistarini

22h 45m1 stop Barcelona-El Prat

1:00 pm - 12:20 pmEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

20h 20m1 stop Barcelona-El Prat

$1,174LEVEL

Wed, Jan 20 - Mon, Feb 22

10:00 am - 8:50 amLGW London Gatwick-EZE Buenos Aires Ministro Pistarini

25h 50m1 stop Madrid Barajas

1:15 pm - 4:25 pmEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

24h 10m1 stop Madrid Barajas

$1,192Air Europa

Thu, Feb 11 - Thu, Mar 4

6:45 pm - 4:00 pmLHR London Heathrow-AEP Buenos Aires Jorge Newbery

24h 15m2 stops Madrid Barajas Lima J Chavez Intl

10:35 am - 2:05 pmAEP Buenos Aires Jorge Newbery-LHR London Heathrow

24h 30m1 stop Sao Paulo Guarulhos Intl

$1,193LATAM Airlines

Mon, Nov 30 - Sun, Dec 6

10:00 am - 8:50 amLGW London Gatwick-EZE Buenos Aires Ministro Pistarini

25h 50m1 stop Madrid Barajas

1:15 pm - 4:25 pmEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

24h 10m1 stop Madrid Barajas

$1,193Air Europa

Thu, Feb 11 - Thu, Mar 4

6:45 pm - 4:00 pmLHR London Heathrow-AEP Buenos Aires Jorge Newbery

24h 15m2 stops Madrid Barajas Lima J Chavez Intl

11:45 am - 5:35 pmAEP Buenos Aires Jorge Newbery-LHR London Heathrow

26h 50m2 stops Sao Paulo Guarulhos Intl Rome Fiumicino

$1,196LATAM Airlines

Mon, Nov 30 - Wed, Dec 9

9:35 pm - 12:30 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

29h 55m1 stop Bogotá El Dorado

7:25 am - 2:35 pmEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

28h 10m1 stop Bogotá El Dorado

$1,207Avianca

Tue, Jan 5 - Tue, Feb 2

6:45 pm - 4:00 pmLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

24h 15m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

3:10 pm - 2:20 pmEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

20h 10m2 stops Rio de Janeiro–Galeão Intl Madrid Barajas

$1,208LATAM Airlines

Mon, Mar 1 - Mon, Mar 15

7:40 pm - 4:00 pmLHR London Heathrow-AEP Buenos Aires Jorge Newbery

23h 20m2 stops Madrid Barajas Lima J Chavez Intl

2:55 pm - 2:20 pmAEP Buenos Aires Jorge Newbery-LHR London Heathrow

20h 25m2 stops Rio de Janeiro–Galeão Intl Madrid Barajas

$1,208LATAM Airlines

Mon, Mar 1 - Mon, Mar 15

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

24h 45m1 stop Madrid Barajas

2:20 pm - 10:50 amEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

17h 30m1 stop Madrid Barajas

$1,209British Airways

Wed, Nov 25 - Sun, Nov 29

1:00 pm - 3:05 pmLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

53h 05m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Sao Paulo Guarulhos Intl

4:50 pm - 6:30 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

34h 40m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl

$1,209Air Canada

Wed, Feb 17 - Wed, Mar 10

Cheap last minute flights

Enter your travel dates to find the best prices.

1:40 pm - 8:00 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

22h 20m1 stop Houston George Bush Intcntl

9:00 pm - 6:45 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

53h 45m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,284United Airlines

Thu, Oct 1 - Thu, Oct 8

10:00 am - 8:00 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

26h 00m1 stop Houston George Bush Intcntl

9:00 pm - 12:25 pmEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

35h 25m2 stops Houston George Bush Intcntl Denver Intl

$1,292United Airlines

Thu, Oct 1 - Wed, Mar 31

1:40 pm - 8:00 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

22h 20m1 stop Houston George Bush Intcntl

9:00 pm - 6:45 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

29h 45m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,294United Airlines

Tue, Sep 29 - Wed, Oct 21

8:40 pm - 4:05 pmLGW London Gatwick-EZE Buenos Aires Ministro Pistarini

23h 25m1 stop Madrid Barajas

1:00 pm - 10:50 amEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

17h 50m1 stop Madrid Barajas

$1,303British Airways

Tue, Sep 29 - Wed, Oct 21

8:40 pm - 4:05 pmLGW London Gatwick-EZE Buenos Aires Ministro Pistarini

23h 25m1 stop Madrid Barajas

1:00 pm - 10:50 amEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

17h 50m1 stop Madrid Barajas

$1,314British Airways

Tue, Sep 29 - Wed, Oct 21

10:05 pm - 5:40 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

35h 35m1 stop Bogotá El Dorado

7:10 am - 3:35 pmEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

28h 25m1 stop Bogotá El Dorado

$1,315Avianca

Fri, Oct 2 - Thu, Oct 8

8:40 pm - 4:05 pmLGW London Gatwick-EZE Buenos Aires Ministro Pistarini

23h 25m1 stop Madrid Barajas

1:00 pm - 10:50 amEZE Buenos Aires Ministro Pistarini-LGW London Gatwick

17h 50m1 stop Madrid Barajas

$1,316British Airways

Tue, Sep 29 - Wed, Oct 21

10:00 am - 8:00 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

26h 00m1 stop Houston George Bush Intcntl

11:55 pm - 10:50 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

55h 55m2 stops Houston George Bush Intcntl Washington, D.C. Reagan-National

$1,355United Airlines

Thu, Oct 1 - Mon, Nov 30

10:45 am - 9:45 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

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

8:10 pm - 7:10 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

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

$1,374Delta

Tue, Sep 29 - Wed, Oct 21

10:45 am - 9:45 amLHR London Heathrow-EZE Buenos Aires Ministro Pistarini

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

8:10 pm - 7:10 amEZE Buenos Aires Ministro Pistarini-LHR London Heathrow

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

$1,376Delta

Tue, Sep 29 - Wed, Oct 21

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

LEVEL flights from London to Buenos Aires

Our best LEVEL deals on London to Buenos Aires flight tickets

LEVEL

Jan 20

LGW3:25 pmLondon Gatwick

22h 45m

1 stop

EZE11:10 amBuenos Aires Ministro Pistarini

Feb 22

EZE1:00 pmBuenos Aires Ministro Pistarini

20h 20m

1 stop

LGW12:20 pmLondon Gatwick

$1,174

LEVEL

Feb 8

LGW3:35 pmLondon Gatwick

22h 35m

1 stop

EZE11:10 amBuenos Aires Ministro Pistarini

Feb 22

EZE1:00 pmBuenos Aires Ministro Pistarini

20h 20m

1 stop

LGW12:20 pmLondon Gatwick

$1,302

LEVEL

Mar 25

LGW9:00 pmLondon Gatwick

17h 10m

1 stop

EZE11:10 amBuenos Aires Ministro Pistarini

Apr 8

EZE6:20 pmBuenos Aires Ministro Pistarini

35h 55m

1 stop

LGW10:15 amLondon Gatwick

$1,337

Air Europa flights from London to Buenos Aires

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

Air Europa

Feb 11

LGW10:00 amLondon Gatwick

25h 50m

1 stop

EZE8:50 amBuenos Aires Ministro Pistarini

Mar 4

EZE1:15 pmBuenos Aires Ministro Pistarini

24h 10m

1 stop

LGW4:25 pmLondon Gatwick

$1,192

Air Europa

Feb 11

LGW10:00 amLondon Gatwick

25h 50m

1 stop

EZE8:50 amBuenos Aires Ministro Pistarini

Mar 4

EZE1:15 pmBuenos Aires Ministro Pistarini

24h 10m

1 stop

LGW4:25 pmLondon Gatwick

$1,193

Air Europa

Jan 23

LGW5:25 pmLondon Gatwick

18h 25m

1 stop

EZE8:50 amBuenos Aires Ministro Pistarini

Feb 9

EZE1:15 pmBuenos Aires Ministro Pistarini

16h 45m

1 stop

LGW9:00 amLondon Gatwick

$1,221

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBuenos Aires

LGW London Gatwick - EZE Buenos Aires Ministro Pistarini

LGWEZE

London Gatwick

Wed 1/20

3:25 pm-11:10 am

1 stop22h 45m

Buenos Aires Ministro Pistarini

Mon 2/22

1:00 pm-12:20 pm

1 stop20h 20m

$1,174

LondonBuenos Aires

LGW London Gatwick - EZE Buenos Aires Ministro Pistarini

LGWEZE

London Gatwick

Thu 2/11

10:00 am-8:50 am

1 stop25h 50m

Buenos Aires Ministro Pistarini

Thu 3/4

1:15 pm-4:25 pm

1 stop24h 10m

$1,192

LondonBuenos Aires

LHR London Heathrow - AEP Buenos Aires Jorge Newbery

LHRAEP

London Heathrow

Mon 11/30

6:45 pm-4:00 pm

2 stops24h 15m

Buenos Aires Jorge Newbery

Sun 12/6

10:35 am-2:05 pm

1 stop24h 30m

$1,193

LondonBuenos Aires

LGW London Gatwick - EZE Buenos Aires Ministro Pistarini

LGWEZE

London Gatwick

Thu 2/11

10:00 am-8:50 am

1 stop25h 50m

Buenos Aires Ministro Pistarini

Thu 3/4

1:15 pm-4:25 pm

1 stop24h 10m

$1,193

LondonBuenos Aires

LHR London Heathrow - AEP Buenos Aires Jorge Newbery

LHRAEP

London Heathrow

Mon 11/30

6:45 pm-4:00 pm

2 stops24h 15m

Buenos Aires Jorge Newbery

Wed 12/9

11:45 am-5:35 pm

2 stops26h 50m

$1,196

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 1/5

9:35 pm-12:30 am

1 stop29h 55m

Buenos Aires Ministro Pistarini

Tue 2/2

7:25 am-2:35 pm

1 stop28h 10m

$1,207

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 3/1

6:45 pm-4:00 pm

2 stops24h 15m

Buenos Aires Ministro Pistarini

Mon 3/15

3:10 pm-2:20 pm

2 stops20h 10m

$1,208

LondonBuenos Aires

LHR London Heathrow - AEP Buenos Aires Jorge Newbery

LHRAEP

London Heathrow

Mon 3/1

7:40 pm-4:00 pm

2 stops23h 20m

Buenos Aires Jorge Newbery

Mon 3/15

2:55 pm-2:20 pm

2 stops20h 25m

$1,208

Quickest round-trip

LondonBuenos Aires

LGW London Gatwick - EZE Buenos Aires Ministro Pistarini

LGWEZE

London Gatwick

Wed 11/25

7:40 pm-5:25 pm

1 stop24h 45m

Buenos Aires Ministro Pistarini

Sun 11/29

2:20 pm-10:50 am

1 stop17h 30m

$1,209

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Wed 2/17

1:00 pm-3:05 pm

3 stops53h 05m

Buenos Aires Ministro Pistarini

Wed 3/10

4:50 pm-6:30 am

2 stops34h 40m

$1,209

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 $1,201 to $1,582.
The lowest price recently found on this route was $1,174.

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 $1,166, 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 April instead. Flights to Buenos Aires in April, while not as cheap as those in May, still average around $1,235.

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 $1,385 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 $1,138 on momondo.

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

You could potentially save up to 18% 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 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 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

Best Price Found	$642
Fastest flight time	16h 00m
Direct flights	None

The best one-way flight to Buenos Aires from London in the past 72 hours is $642. The best round-trip flight deal from London to Buenos Aires found on momondo in the last 72 hours is $1,174.

The fastest flight from London to Buenos Aires takes 16h 00m

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

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 00m.
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 British Airways (53% of total bookings). The next most popular airlines are Avianca (26%) and LATAM Airlines (21%).

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

Tue 10/27

Tue 11/3

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 $642

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 11/30. 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

Cheap direct 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

LEVEL flights from London to Buenos Aires

Our best LEVEL deals on London to Buenos Aires flight tickets

Air Europa flights from London to Buenos Aires

Our best Air Europa 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

Best Price Found

Fastest flight time

Direct flights

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