Cheap Flights from London Heathrow to Buenos Aires

Compare London Heathrow to Buenos Aires flight deals

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Flight deals from London Heathrow to Buenos Aires

Looking for a cheap last-minute deal or the best round-trip flight from London Heathrow Airport to Buenos Aires? If you want to travel next month, round-trip fares start from AED 3,720. Find the lowest prices on one-way and round-trip tickets right here.

Buenos Aires.AED 1,711 per passenger.Departing Tue, May 5.One-way flight with Iberia.Outbound indirect flight with Iberia, departing from London Heathrow on Tue, May 5, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From AED 1,711, select.

Buenos Aires.AED 2,044 per passenger.Departing Thu, Oct 8.One-way flight with Avianca.Outbound indirect flight with Avianca, departing from London Heathrow on Thu, Oct 8, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From AED 2,044, select.

Buenos Aires.AED 2,050 per passenger.Departing Sun, Nov 1.One-way flight with Avianca.Outbound indirect flight with Avianca, departing from London Heathrow on Sun, Nov 1, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From AED 2,050, select.

Buenos Aires.AED 2,112 per passenger.Departing Mon, Apr 27.One-way flight with Avianca.Outbound indirect flight with Avianca, departing from London Heathrow on Mon, Apr 27, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From AED 2,112, select.

Buenos Aires.AED 2,141 per passenger.Departing Tue, Jun 9.One-way flight with Avianca.Outbound indirect flight with Avianca, departing from London Heathrow on Tue, Jun 9, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From AED 2,141, select.

Buenos Aires.AED 2,141 per passenger.Departing Thu, Aug 20.One-way flight with Avianca.Outbound indirect flight with Avianca, departing from London Heathrow on Thu, Aug 20, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From AED 2,141, select.

Buenos Aires.AED 2,142 per passenger.Departing Tue, Mar 30.One-way flight with Avianca.Outbound indirect flight with Avianca, departing from London Heathrow on Tue, Mar 30, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From AED 2,142, select.

Buenos Aires.AED 2,158 per passenger.Departing Thu, Apr 8.One-way flight with Avianca.Outbound indirect flight with Avianca, departing from London Heathrow on Thu, Apr 8, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From AED 2,158, select.

Buenos Aires.AED 2,229 per passenger.Departing Mon, Sep 21.One-way flight with Avianca.Outbound indirect flight with Avianca, departing from London Heathrow on Mon, Sep 21, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From AED 2,229, select.

Buenos Aires.AED 2,278 per passenger.Departing Sun, Jan 17.One-way flight with Iberia.Outbound indirect flight with Iberia, departing from London Heathrow on Sun, Jan 17, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From AED 2,278, select.

Buenos Aires.AED 2,317 per passenger.Departing Thu, Dec 31.One-way flight with Iberia.Outbound indirect flight with Iberia, departing from London Heathrow on Thu, Dec 31, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From AED 2,317, select.

Buenos Aires.AED 2,353 per passenger.Departing Sun, Feb 21.One-way flight with Iberia.Outbound indirect flight with Iberia, departing from London Heathrow on Sun, Feb 21, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From AED 2,353, select.

Buenos Aires.AED 3,039 per passenger.Departing Thu, Jul 2.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from London Heathrow on Thu, Jul 2, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From AED 3,039, select.

Find the cheapest month to fly from London Heathrow to Buenos Aires

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Buenos Aires flights are currently cheapest in May.

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Alternative London Heathrow to Buenos Aires routes

Looking for the cheapest, fastest or easiest route from London Heathrow to Buenos Aires? You could fly into the following airports instead.

Buenos Aires Jorge Newbery

7km from central Buenos Aires

ClosestCheapest

from AED 1,711

Search flights

Buenos Aires Ministro Pistarini

28km from central Buenos Aires

from AED 1,889

Search flights

London to Buenos Aires: Flight information

The things to know before you go.

Cheapest flight found	AED 1,711
Cheapest month to fly	May

Finding cheap flights from London Heathrow to Buenos Aires: Frequently asked questions

How many airports are there in Buenos Aires?

There are 2 airports in Buenos Aires: Buenos Aires Jorge Newbery and Buenos Aires Ministro Pistarini.

How much are round-trip flights from London Heathrow to Buenos Aires?

The best price we found for a round-trip flight from London Heathrow to Buenos Aires is AED 3,375. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from London Heathrow to Buenos Aires?

Currently, there are no airlines that fly direct from London Heathrow to Buenos Aires. But we found flights with one or more stops from AED 3,375.

How many flights are there a week from London Heathrow to Buenos Aires?

There are no flights flying from London Heathrow to Buenos Aires, as of April 2026.

When is the cheapest time to fly from London Heathrow to Buenos Aires?

The cheapest month to fly from London Heathrow to Buenos Aires is usually October.

What's the cheapest airport to fly to in Buenos Aires?

If you're flying from London Heathrow Airport, the cheapest airport near Buenos Aires is Buenos Aires Ministro Pistarini – which is 27.7 km away from the center of Buenos Aires. We've found flights to this airport from AED 3,375.

Which upcoming date is cheapest to fly from London Heathrow Airport to Buenos Aires on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Buenos Aires on Saturday, October 24, 2026.

Can I get a direct flight from London Heathrow Airport to Buenos Aires?

No airlines currently offer direct flights between London Heathrow Airport and Buenos Aires. Most routes have one or more stops.

How can I get the best flight deal from London Heathrow Airport to Buenos Aires?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buenos Aires but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Buenos Aires?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Buenos Aires is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Buenos Aires?

In April, the average temperature is usually around 17°C. January is typically the warmest month in Buenos Aires, when it usually averages around 30°C. You can expect the least rain in June. The coldest month is July, with temperatures averaging 6°C. The rainiest month is March.

Which is the cheapest airline to fly with from London Heathrow Airport to Buenos Aires?

Currently, Avianca offers the cheapest flight tickets to Buenos Aires.

Traveling from London Heathrow Airport (LHR) to Buenos Aires: what you need to know

Buenos Aires is three hours behind London, where London Heathrow Airport is located. Buenos Aires follows the UTC-3 timezone.
Leave plenty of time to get on your LHR to Buenos Aires flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.
Traveling during a peak month such as July? Major public holidays and other popular periods can lead to longer lines and delays at check-in and security. Be extra cautious and get there up to four hours before an international flight and two hours before domestic departures.
Stopovers are the perfect opportunity to break up your trip and possibly even tick off a new city. When searching for plane tickets from LHR to Buenos Aires, uncheck the 'Direct flights only' box to see where you can stop along the way. Here are some popular options to consider:
- Amsterdam Schiphol Airport (AMS)
- Adolfo Suarez Madrid-Barajas Airport (MAD)
- Santiago Arturo Merino Benitez Intl Airport (SCL)
Traveling from central London to LHR takes around 25 minutes on public transport. If you drive, ride-share or take a cab, you'll cover the 26 kilometers in 45 minutes or so, depending on traffic conditions.
In search of a hotel close to LHR? If you're catching an early flight from London Heathrow Airport to Buenos Aires, these stays set you up for a seamless send-off:
When it comes to the on-time performance of London Heathrow Airport, 78% of flights stick to their scheduled arrival time.

How to find the cheapest flights from London Heathrow Airport (LHR) to Buenos Aires

The lowest price we've seen for a one-way London Heathrow Airport to Buenos Aires flight is AED 1,711. The cheapest price for a return flight is AED 3,375. Bear in mind fares may change due to availability at the time of booking.
Don't leave things to the last minute. You're more likely to find cheap flights from LHR to Buenos Aires if you book in advance. Airlines often offer some great early bird rates.
The 'Whole month' search tool will show you the cheapest tickets from London Heathrow Airport to Buenos Aires throughout the month. It's an easy way to find a bargain if your travel plans are flexible.
Picking up a cheap flight from LHR to Buenos Aires is a breeze with Price Alerts. Simply create one of these automatic notifications and we'll let you know as soon as a cheaper option becomes available.
Pick your preferred arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from London Heathrow Airport to Buenos Aires by 'Best,' 'Fastest' or 'Cheapest.'

Airports in Buenos Aires

Buenos Aires Jorge Newbery Airfield (AEP)

The distance from Buenos Aires Jorge Newbery Airfield (AEP) to central Buenos Aires is roughly 8 kilometers. It'll take you about 25 minutes to reach the center driving.
It'll take around 40 minutes if you're traveling by public transport.
The last thing you need is a long journey to your hotel if you're arriving on a late flight from London Heathrow Airport to Buenos Aires. Reserve one of these accommodation options near AEP instead:
Lock in the best deal by reserving your ride from Buenos Aires Jorge Newbery Airfield about one week ahead of your flight from LHR to Buenos Aires.

Buenos Aires Ministro Pistarini Intl Airport (EZE)

Central Buenos Aires is around 32 kilometers from Buenos Aires Ministro Pistarini Intl Airport (EZE). Once your flight from London Heathrow Airport to Buenos Aires has touched down and you've made your way through the terminal, expect a drive of around 30 minutes.
You can expect the trip to take roughly 1 hour 15 minutes on public transport.
Hang up the 'Do not disturb' sign and rest at a hotel close to EZE. Here are a few options where you can check in after your LHR to Buenos Aires flight:
Lock in the lowest price by booking your ride from EZE one week ahead of time. You'll also have access to a greater selection of vehicles.

Best time to go to Buenos Aires

It's time to work out your dates for your flight from London Heathrow Airport to Buenos Aires. September is the busiest month for a trip to Buenos Aires. If you prefer a more low-key vibe, go in December.
Book a London Heathrow Airport to Buenos Aires plane ticket with a departure in January if you want to visit the city during its warmest month. Expect temperatures to range from 18ºC (64ºF) to 32ºC (90ºF).
July has average temperatures of between 5ºC (41ºF) and 16ºC (61ºF). Search for a cheap ticket from LHR to Buenos Aires around that time if you want to travel in cooler conditions.

More about Buenos Aires

When it comes to searching for somewhere to rest your head, you'll find the best stays in Buenos Aires right here. Explore these options as soon as you've booked your flight from London Heathrow Airport to Buenos Aires:
Every great vacation has to include a little sightseeing. El Ateneo Grand Splendid, Teatro Colon and Recoleta Cemetery are essential stops on your Buenos Aires itinerary.

Explore more of Argentina

Buenos Aires has plenty going for it, but there are so many other corners of Argentina waiting to be discovered. Around 274 kilometers northwest of Buenos Aires, a trip to Rosario will keep you on the move. Start with attractions like Casa Natal Che Guevara, Monumento al Che Guevara and Casa Natal de Lionel Messi.
Mar Del Plata is another must-experience destination in Argentina and is around 386 kilometers south of Buenos Aires. No journey is complete without seeing Teatro Colon, Playa Popular and Aquasol Water Park.