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Cheap Flights from London to Buenos Aires

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Flight deals from London to Buenos Aires

Looking for a cheap last-minute deal or the best return flight from London to Buenos Aires? If you want to travel next month, return fares start from $1,806. Find the lowest prices on one-way and return tickets right here.
Buenos Aires.$1,733 per passenger.Departing Wed, 26 Aug, returning Thu, 24 Sep.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Wed, 26 Aug, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Thu, 24 Sep, arriving in London Heathrow.Price includes taxes and charges.From $1,733, select.
Buenos Aires.$1,736 per passenger.Departing Tue, 19 Jan, returning Mon, 15 Feb.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Tue, 19 Jan, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Mon, 15 Feb, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Tue, 17 Nov, returning Fri, 29 Jan.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Tue, 17 Nov, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Fri, 29 Jan, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Thu, 20 Aug, returning Mon, 12 Oct.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Thu, 20 Aug, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Mon, 12 Oct, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Wed, 20 Jan, returning Tue, 26 Jan.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Wed, 20 Jan, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Tue, 26 Jan, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Tue, 8 Sep, returning Wed, 16 Sep.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Tue, 8 Sep, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Wed, 16 Sep, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Thu, 24 Sep, returning Fri, 9 Oct.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Thu, 24 Sep, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Fri, 9 Oct, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Mon, 22 Mar, returning Sat, 10 Apr.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Mon, 22 Mar, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Sat, 10 Apr, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Sun, 14 Feb, returning Sat, 3 Apr.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Sun, 14 Feb, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Sat, 3 Apr, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Mon, 1 Feb, returning Tue, 9 Mar.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Mon, 1 Feb, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Tue, 9 Mar, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Mon, 5 Oct, returning Mon, 2 Nov.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Mon, 5 Oct, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Mon, 2 Nov, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Sun, 8 Nov, returning Fri, 20 Nov.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Sun, 8 Nov, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Fri, 20 Nov, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Mon, 1 Feb, returning Mon, 8 Feb.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Mon, 1 Feb, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Mon, 8 Feb, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Wed, 7 Oct, returning Fri, 23 Oct.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Wed, 7 Oct, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Fri, 23 Oct, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Thu, 24 Sep, returning Mon, 9 Nov.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Thu, 24 Sep, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Mon, 9 Nov, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.
Buenos Aires.$1,736 per passenger.Departing Mon, 1 Mar, returning Tue, 16 Mar.Return flight with Avianca.Outbound indirect flight with Avianca, departs from London Heathrow on Mon, 1 Mar, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Tue, 16 Mar, arriving in London Heathrow.Price includes taxes and charges.From $1,736, select.

Find the cheapest month to fly from London to Buenos Aires

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Buenos Aires flights are currently cheapest in September.
Jul
from $3,562
Aug
from $1,806
Sep
from $1,736
Oct
from $1,736
Nov
from $1,736
Dec
from $1,747
Jan
from $1,736
Feb
from $1,736
Mar
from $1,736
Apr
from $1,741
May
from $1,741
Jun
from $1,744

Alternative London to Buenos Aires routes

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

Buenos Aires Jorge Newbery

7km from central Buenos Aires
Closest
from $1,825
Search flights

Buenos Aires Ministro Pistarini

28km from central Buenos Aires
Cheapest
from $1,733
Search flights

London to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight found$1,733
Cheapest month to flyAugust

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

There are 2 airports in Buenos Aires: Buenos Aires Jorge Newbery and Buenos Aires Ministro Pistarini.
The best price we found for a return flight from London to Buenos Aires is $1,733. 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.
Currently, there are no airlines that fly direct from London to Buenos Aires. But we found flights with one or more stops from $1,733.
As of July 2026, there are no flights flying from London to Buenos Aires.
The cheapest month to fly from London to Buenos Aires is usually August.
If you're flying from London, the cheapest airport near Buenos Aires is Buenos Aires Ministro Pistarini – which is 27.7 km away from the centre of Buenos Aires. We've found flights into this airport from $1,733.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Buenos Aires on Wednesday, 26 August 2026.
No airlines currently offer direct flights between London and Buenos Aires. Most routes have one or more stops.
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.

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.

In July, the average temperature is usually around 10°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.
The cheapest airline that flies to Buenos Aires is Avianca .

Travelling from London to Buenos Aires: what you need to know

  • You can select from multiple airports when planning your flight from London to Buenos Aires. Explore your options for departing London from London Heathrow Airport (LHR), London Gatwick Airport (LGW) or London Stansted Airport (STN). London Luton Airport (LTN) and London City Airport (LCY) also service London.

  • Arrive in Buenos Aires at Buenos Aires Jorge Newbery Airport (AEP) or Buenos Aires Ministro Pistarini Airport (EZE).

  • Buenos Aires is three hours behind London and is in the UTC-3 timezone.

  • Give yourself enough time to make your London to Buenos Aires flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak time such as July? Major public holidays and other popular seasons can mean longer lines at check-in and security. Play things extra safe and get there up to four hours before an international flight and two hours before domestic departures.

How to find the cheapest flights from London to Buenos Aires

  • Booking in advance is often the key to locking in a cheap London to Buenos Aires flight. Fares tend to rise as demand increases, so the closer your departure date, the more you'll likely spend on your ticket.

  • The 'Whole month' tool shows you the cheapest plane tickets from London to Buenos Aires across the entire month. It's a good way to snap up a bargain if your travel plans aren't set in stone.

  • Finding a cheap flight from London to Buenos Aires is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when a better deal is available.

  • Tailor your trip using filters. Select your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' London to Buenos Aires flights.

Flying from London

London Heathrow Airport (LHR)

  • We make it simple to find a London to Buenos Aires flight with a stopover. To see the options departing from London Heathrow Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to see the sights of your chosen city. Popular stopovers include:

    • Amsterdam Schiphol Airport (AMS)

    • Madrid Airport (MAD)

    • Santiago Arturo Merino Benitez Airport (SCL)

  • LHR is about 26 kilometres from central London. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 45 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the trip time to be around 25 minutes.

  • After a leisurely start to your trip? Stay near London Heathrow Airport. Whether you're boarding an early flight from London to Buenos Aires or just don't want to be rushed, these hotels are just the thing:

  • Of the flights that depart from London Heathrow Airport, 78% touch down on time at their destination.

London Gatwick Airport (LGW)

  • Split up your London to Buenos Aires flight with a stop so you can stretch your legs or cross another place off your list. Top stopovers between London Gatwick Airport and Buenos Aires are:

    • Amsterdam Schiphol Airport (AMS)

    • Frankfurt am Main Airport (FRA)

    • Paris Charles de Gaulle Airport (CDG)

  • LGW is about 40 kilometres from central London. It takes 1 hour 5 minutes or so to get to the airport by car from the city centre. Public transport takes roughly 45 minutes.

  • Want to treat yourself to an extra night away before boarding your flight from London to Buenos Aires? Kick back in a hotel near London Gatwick Airport before your trip officially starts. Consider one of these stays:

  • Flights from London Gatwick Airport have a strong track record for punctuality, with 83% of them landing as expected.

London Stansted Airport (STN)

  • Reserve a ticket from London to Buenos Aires out of London Stansted Airport (STN) with a stop or two. Popular stopovers between STN and Buenos Aires are:

    • Madrid Airport (MAD)

    • Barcelona Airport (BCN)

    • Rome Fiumicino Airport (FCO)

  • The journey to STN from the centre of London is around 45 minutes on public transport. If you're planning to travel by car, it'll take you about 1 hour 5 minutes to cover the 48 kilometres or so.

  • Make taking an early London to Buenos Aires flight the easiest part of your trip. Book a room at one of these accommodation options close to London Stansted Airport and head to your check-in counter without rushing:

  • STN has an on-time performance rating of 80%. This means the majority of its flights land on schedule and your trip goes off without a hitch.

Arriving in Buenos Aires

Buenos Aires Jorge Newbery Airport (AEP)

  • Buenos Aires Jorge Newbery Airport (AEP) is approximately 6 kilometres from central Buenos Aires. If you're catching a taxi or a ride-share, the drive takes around 25 minutes.

  • It typically takes 40 minutes to get there when travelling by public transport.

  • The last thing you need is a long journey to your hotel if you're getting in late on a flight from London to Buenos Aires. Reserve one of these accommodation options near AEP instead:

  • Grab a Buenos Aires Jorge Newbery Airport rental car and discover Buenos Aires and beyond with your own wheels. Hertz, Localiza and rentar low cost are leading providers you can book with here.

  • Lock in the best deal by reserving your ride from Buenos Aires Jorge Newbery Airport around one week before your travel date.

Buenos Aires Ministro Pistarini Airport (EZE)

  • Buenos Aires Ministro Pistarini Airport (EZE) is about 24 kilometres from the centre of Buenos Aires. Once you've disembarked your flight from London to Buenos Aires, it takes approximately 30 minutes to get to the heart of the city in a taxi or ride-share.

  • Travelling by public transport will take approximately 1 hour 15 minutes.

  • You'll find some great places to lay your head close to EZE. Settle in and get cosy after your London to Buenos Aires flight at one of these perfectly located options:

  • Hertz, Cactus and Localiza make collecting a Buenos Aires Ministro Pistarini Airport rental car quick and easy. These providers are located in or around the terminal and will have you on the road before long.

  • Get the pick of the lot. Securing your ride from EZE one week in advance often means lower prices and a wider selection of vehicles.

El Palomar Airport (EPA)

  • After your flight from London to Buenos Aires has arrived, the city centre is probably where you're headed next. El Palomar Airport (EPA) is around 16 kilometres from central Buenos Aires.

  • Set your GPS and zoom off to the next chapter of your journey with a El Palomar Airport rental car. Whether you want an economy car or an intermediate SUV, you'll find your ideal set of wheels from Rent A Car or Rent A Car.

  • Booking a couple of weeks ahead of your flight from London to Buenos Aires is a good move. In addition to better deals, you might find it easier to get the make and model you prefer at EPA.

Best time to go to Buenos Aires

  • It's time to pick your dates for your flight from London to Buenos Aires. August is the busiest month to travel to Buenos Aires. If you prefer a more relaxed atmosphere, go in March.

  • Book a London to Buenos Aires ticket departing in January if you want to explore the city during its warmest month. Expect temperatures in Buenos Aires to range from 18ºC to 32ºC.

  • For cooler conditions, look for a cheap flight from London to Buenos Aires in July when temperatures average between 5ºC and 16ºC.

More about Buenos Aires

  • When it comes to looking for somewhere to rest your head, you'll find the best places to stay in Buenos Aires right here. Check out these options after you've booked your flight from London to Buenos Aires:

  • Teatro Colón and El Ateneo Grand Splendid are just two of the popular attractions to add to your Buenos Aires to-do list. Keep the momentum going by heading to Recoleta Cemetery.

Explore more of Argentina

  • Buenos Aires has its own special appeal, but there are so many other corners of Argentina you'll want to see. Around 274 kilometres northwest of Buenos Aires, a trip to Rosario will fill your itinerary to the brim. Check out popular attractions like Casa Natal Che Guevara, Monumento al Che Guevara and Museo de la Memoria.

  • La Plata is another favourite destination in Argentina and is around 56 kilometres southeast of Buenos Aires. No journey is complete without experiencing Museum of Contemporary Latin American Art, Teatro Argentino and Catedral de La Plata.

More travel options

Plan the rest of your trip from London to Buenos Aires

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.