What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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 November 2025. 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 November 2025, there are 3 flights per day flying from London to Buenos Aires. The most common time of day flights depart is 10:00PM, with 100% of flights taking off in the evening.

How often are flights from London to Buenos Aires delayed?

Historically, on average around 0% of flights between London and Buenos Aires have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

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

Flights connecting via Rio de Janeiro (GIG) have the shortest average one-way travel time: 16h 40m.

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

Flights via Barcelona (BCN) offer the lowest average round-trip price of $1,080.

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

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

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

Madrid (MAD) was the most common stop: 65% 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?

Barcelona (BCN) has the shortest average layover time for this route: 1h 20m.

What is the most punctual flight time for London to Buenos Aires flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

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

Prices for flights from London to Buenos Aires refresh daily.

How many operators does momondo search for flights from London to Buenos Aires?

As of November 2025, there is 1 operator available to choose from for flights from London to Buenos Aires.

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.

$604 Cheap Flights from London to Buenos Aires in 2025/26

Q: 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 $1,226 to $1,733. The lowest price recently found on this route was $1,075.

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6:35 am - 10:25 pmLHR-EZE

42h 50m2 stops

11:55 pm - 2:55 pmEZE-LHR

36h 00m2 stops

$1,075Turkish Airlines

Find Deal

Fri, Mar 13 - Mon, Mar 23

9:40 pm - 5:50 amLHR-EZE

35h 10m1 stop

4:55 pm - 2:35 pmEZE-LHR

18h 40m1 stop

$1,077Avianca

Find Deal

Mon, Mar 2 - Fri, Mar 6

10:00 am - 8:50 amLGW-EZE

25h 50m1 stop

1:15 pm - 9:00 amEZE-LGW

16h 45m1 stop

$1,079Air Europa

Find Deal

Thu, Mar 12 - Mon, Mar 16

5:25 pm - 8:50 amLGW-EZE

18h 25m1 stop

1:15 pm - 9:00 amEZE-LGW

16h 45m1 stop

$1,080Air Europa

Find Deal

Thu, Mar 12 - Mon, Mar 16

8:00 pm - 10:25 pmLHR-EZE

29h 25m2 stops

11:55 pm - 2:55 pmEZE-LHR

36h 00m2 stops

$1,086Turkish Airlines

Find Deal

Tue, Dec 30 - Tue, Feb 3

9:30 am - 6:25 amLHR-EZE

24h 55m1 stop

4:40 pm - 6:40 pmEZE-LHR

22h 00m1 stop

$1,087Lufthansa

Find Deal

Sun, Apr 5 - Thu, Apr 16

4:45 pm - 8:45 amLCY-EZE

19h 00m1 stop

1:50 pm - 4:10 pmEZE-LCY

23h 20m1 stop

$1,092ITA Airways

Find Deal

Wed, Mar 4 - Wed, Mar 18

11:35 am - 8:45 amLCY-EZE

24h 10m1 stop

1:50 pm - 4:10 pmEZE-LCY

23h 20m1 stop

$1,108ITA Airways

Find Deal

Sat, Mar 7 - Tue, Mar 24

7:40 pm - 5:55 pmLGW-EZE

25h 15m1 stop

10:45 pm - 7:00 pmEZE-LGW

17h 15m1 stop

$1,125British Airways

Find Deal

Sun, Jan 18 - Tue, Feb 17

7:40 pm - 9:00 pmLGW-EZE

28h 20m1 stop

10:45 pm - 7:00 pmEZE-LGW

17h 15m1 stop

$1,136British Airways

Find Deal

Tue, Jan 20 - Tue, Feb 17

Turkish Airlines flights from London to Buenos Aires

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

Turkish Airlines

Mar 13

LHR6:35 amLondon Heathrow

42h 50m

2 stops

EZE10:25 pmBuenos Aires Ministro Pistarini

Mar 23

EZE11:55 pmBuenos Aires Ministro Pistarini

36h 00m

2 stops

LHR2:55 pmLondon Heathrow

$1,075

Find similar

Turkish Airlines

Dec 30

LHR8:00 pmLondon Heathrow

29h 25m

2 stops

EZE10:25 pmBuenos Aires Ministro Pistarini

Feb 3

EZE11:55 pmBuenos Aires Ministro Pistarini

36h 00m

2 stops

LHR2:55 pmLondon Heathrow

$1,086

Find similar

Turkish Airlines

Apr 16

LHR6:30 pmLondon Heathrow

31h 55m

2 stops

EZE10:25 pmBuenos Aires Ministro Pistarini

Apr 26

EZE11:55 pmBuenos Aires Ministro Pistarini

36h 05m

2 stops

LHR4:00 pmLondon Heathrow

$1,091

Find similar

Delta flights from London to Buenos Aires

Our best Delta deals on London to Buenos Aires flight tickets

Delta

Nov 21

LHR9:40 amLondon Heathrow

24h 40m

2 stops

EZE7:20 amBuenos Aires Ministro Pistarini

Dec 4

EZE11:55 pmBuenos Aires Ministro Pistarini

27h 55m

2 stops

LHR6:50 amLondon Heathrow

$1,212

Find similar

Delta

Dec 10

LHR12:30 pmLondon Heathrow

21h 50m

1 stop

EZE7:20 amBuenos Aires Ministro Pistarini

Feb 4

EZE10:25 pmBuenos Aires Ministro Pistarini

29h 30m

1 stop

LHR6:55 amLondon Heathrow

$1,213

Find similar

Delta

Dec 27

LHR8:55 amLondon Heathrow

27h 05m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Jan 16

EZE8:55 pmBuenos Aires Ministro Pistarini

30h 30m

1 stop

LHR6:25 amLondon Heathrow

$1,215

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Fri 3/13

6:35 am-10:25 pm

2 stops42h 50m

Buenos Aires Ministro Pistarini

Mon 3/23

11:55 pm-2:55 pm

2 stops36h 00m

$1,075

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 3/2

9:40 pm-5:50 am

1 stop35h 10m

Buenos Aires Ministro Pistarini

Fri 3/6

4:55 pm-2:35 pm

1 stop18h 40m

$1,077

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Thu 3/12

10:00 am-8:50 am

1 stop25h 50m

Buenos Aires Ministro Pistarini

Mon 3/16

1:15 pm-9:00 am

1 stop16h 45m

$1,079

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Thu 3/12

5:25 pm-8:50 am

1 stop18h 25m

Buenos Aires Ministro Pistarini

Mon 3/16

1:15 pm-9:00 am

1 stop16h 45m

$1,080

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 12/30

8:00 pm-10:25 pm

2 stops29h 25m

Buenos Aires Ministro Pistarini

Tue 2/3

11:55 pm-2:55 pm

2 stops36h 00m

$1,086

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 4/5

9:30 am-6:25 am

1 stop24h 55m

Buenos Aires Ministro Pistarini

Thu 4/16

4:40 pm-6:40 pm

1 stop22h 00m

$1,087

LondonBuenos Aires

LCY - EZE

LCYEZE

London City

Wed 3/4

4:45 pm-8:45 am

1 stop19h 00m

Buenos Aires Ministro Pistarini

Wed 3/18

1:50 pm-4:10 pm

1 stop23h 20m

$1,092

LondonBuenos Aires

LCY - EZE

LCYEZE

London City

Sat 3/7

11:35 am-8:45 am

1 stop24h 10m

Buenos Aires Ministro Pistarini

Tue 3/24

1:50 pm-4:10 pm

1 stop23h 20m

$1,108

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sun 1/18

7:40 pm-5:55 pm

1 stop25h 15m

Buenos Aires Ministro Pistarini

Tue 2/17

10:45 pm-7:00 pm

1 stop17h 15m

$1,125

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Tue 1/20

7:40 pm-9:00 pm

1 stop28h 20m

Buenos Aires Ministro Pistarini

Tue 2/17

10:45 pm-7:00 pm

1 stop17h 15m

$1,136

Flights are sorted by cheapest round-trip flights first.

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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

Delays

Layovers

Other information

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?

The cheapest month to fly to Buenos Aires from London is in September. Flight prices, which tend to average around $1,135, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Buenos Aires from London during March instead. Flights to Buenos Aires in March, while not as cheap as those in September, still average around $1,174.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the afternoon. Flights from London to Buenos Aires during this time can be as low as $1,156. Try not to purchase tickets at noon because they tend to be around $1,377. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to Buenos Aires flight route?

Fly from London Heathrow to Buenos Aires Ministro Pistarini for the best London - Buenos Aires flight prices

How far in advance should I book a flight 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 $1,371 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 $1,156 on momondo.

What cabin class options are available on London to Buenos Aires flights?

There is only 1 cabin class available to choose from on London to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of November 2025, prices for London to Buenos Aires flights are approximately 7% 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

Direct flights	None

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

Search flight deals

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 25m.
When did momondo last update prices for flights from London to Buenos Aires?
Prices for flights from London to Buenos Aires refresh daily.
How many operators does momondo search for flights from London to Buenos Aires?
As of November 2025, there is 1 operator available to choose from for flights from London to Buenos Aires.
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 62.96% of the total bookings. Other popular models include Airbus A350-1000 with 37.04%.
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 (47% of total bookings). The next most popular airlines are American Airlines (20%), Air Europa (20%), and Lufthansa (12%).

Best airlines flying from London to Buenos Aires

Compare and see reviews for airlines that fly from London to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $1,021	Free Cancellation	Rating 7.0 3,027 reviews		Search Iberia flights

Iberia Flights From London to Buenos Aires
Across 7 Iberia flights from London to Buenos Aires this week, the average price was $1,191, with the best Iberia deals starting from $1,021 round-trip. 3,027 users have rated Iberia on momondo, with an average score of 7.0/10.

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.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Popular cities in Argentina

Flights to Cordobafrom $632

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Flights to Puerto Iguazúfrom $853

Flights to Ushuaiafrom $774

Flights to El Calafatefrom $1,042

Flights to San Carlos de Barilochefrom $713

Flights to Saltafrom $760

Flights to San Miguel de Tucumánfrom $701

Flights to Rosariofrom $764

Flights to Jujuyfrom $2,732

Flights to Puerto Madryn

Flights to Mar del Platafrom $1,056

Cheap flights from London to Buenos Aires from $604

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 4/26. 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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Filter for what you want

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Cheap round-trip flights

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Turkish Airlines flights from London to Buenos Aires

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

Delta flights from London to Buenos Aires

Our best Delta deals on London to Buenos Aires flight tickets

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

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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

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?

What is the cheapest time of day to depart on your flight to Buenos Aires?

What is the cheapest London to Buenos Aires flight route?

Fly from London Heathrow to Buenos Aires Ministro Pistarini for the best London - Buenos Aires flight prices

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

What cabin class options are available on London to Buenos Aires flights?

There is only 1 cabin class available to choose from on London to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of November 2025, prices for London to Buenos Aires flights are approximately 7% cheaper when compared to flights at the same time last year.

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

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

How often are flights from London to Buenos Aires delayed?

Historically, on average around 0% of flights between London and Buenos Aires have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for London to Buenos Aires flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

Madrid (MAD) was the most common stop: 65% 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 Barcelona (BCN) offer the lowest average round-trip price of $1,080.

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

Flights connecting via Rio de Janeiro (GIG) have the shortest average one-way travel time: 16h 40m.

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

Barcelona (BCN) has the shortest average layover time for this route: 1h 20m.

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

As of November 2025, there are 3 flights per day flying from London to Buenos Aires. The most common time of day flights depart is 10:00PM, with 100% of flights taking off in the evening.

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 November 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

When to book flights from London to Buenos Aires

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

Direct flights

How far is London to Buenos Aires by plane?

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

How many operators does momondo search for flights from London to Buenos Aires?

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

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

What is the most popular plane model from London to Buenos Aires?

What is the most popular airline from London to Buenos Aires?

Best airlines flying from London to Buenos Aires

Compare and see reviews for airlines that fly from London to Buenos Aires with momondo

Iberia Flights From London to Buenos Aires

Why use momondo?

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

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

How can momondo help me find flights 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?

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