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 round-trip flight from London to Buenos Aires? Find the lowest prices on one-way and round-trip tickets right here.

When is the cheapest time 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 December.

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.

London to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight foundAED 3,379
Cheapest month to flyDecember

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 round-trip flight from London to Buenos Aires is AED 3,379. 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 AED 3,379.
There are no flights flying from London to Buenos Aires, as of April 2025.
The cheapest month to fly from London to Buenos Aires is usually April 2025.
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 center of Buenos Aires. We've found flights to this airport from AED 3,379.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Buenos Aires on Friday, December 5, 2025.
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 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.
The cheapest airline that flies to Buenos Aires is Air Europa.

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

  • Choose from multiple airports when organizing a flight from London to Buenos Aires. Explore your options for leaving London from London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). London Luton Airport (LTN) and London City Airport (LCY) also service London.

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

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

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your London to Buenos Aires flight.

  • Be prepared for longer queues in popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you plenty of time for security and boarding.

How to find the cheapest flights from London to Buenos Aires

  • To pick up cheap London to Buenos Aires flights, book as early as you can. Airlines usually offer the most competitive fares when flights are first released.

  • The 'Whole month' tool will show you the cheapest plane tickets from London to Buenos Aires across the month. It's a good way to find a bargain if your travel plans are flexible.

  • Locking in a cheap flight from London to Buenos Aires is easy with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a better deal is available.

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

Flying from London

London Heathrow Airport (LHR)

  • Think about adding a stopover to potentially save on your London to Buenos Aires flight. Just uncheck 'Direct flights only' when browsing departures from London Heathrow Airport. Break up the journey at one of these airports:

    • Arturo Merino Benitez Airport (SCL)

    • Amsterdam Airport Schiphol (AMS)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

  • The journey from central London to LHR takes about 1 hour by public transport. If you ride-share, drive or grab a cab, you'll cover the 26 kilometers in 55 minutes or so, depending on traffic.

  • After an easy start to your trip? Stay near London Heathrow Airport. Whether you've booked an early flight from London to Buenos Aires or just don't want to be rushed, these hotels are the answer:

  • Of the flights that depart from London Heathrow Airport, 68.18% 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 tick another place off your list. Some great stopovers between London Gatwick Airport and Buenos Aires include:

    • Amsterdam Airport Schiphol (AMS)

    • Frankfurt Airport (FRA)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

  • You can get to LGW from the center of London in about 1 hour 20 minutes by car (depending on traffic). The journey on public transport will take roughly 30 minutes to travel the 40 kilometers or so.

  • Want to enjoy an extra night away before catching your flight from London to Buenos Aires? Kick back in a hotel near London Gatwick Airport before your vacation officially starts. Here's where you can stay:

  • London Gatwick Airport has an on-time performance of 69.26%. This figure gives an insight into how often flights departing from this airport land at their destination on schedule.

Stansted Airport (STN)

  • Lock in a ticket from London to Buenos Aires departing from Stansted Airport (STN) with one or more stops. Some popular stopovers between STN and Buenos Aires are:

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

    • Barcelona-El Prat Airport (BCN)

    • Leonardo da Vinci-Fiumicino Airport (FCO)

  • STN is roughly 48 kilometers from central London. Driving from the city center to the airport takes about 1 hour. If you're planning to use public transport, you can expect a journey of around 1 hour 25 minutes.

  • Set yourself up for a smooth departure — stay near Stansted Airport and know you'll reach your boarding gate with time to spare. Settle in at one of these hotels the day before if you're catching an early London to Buenos Aires flight:

  • The on-time performance record of STN is 64.73%. To put it plainly, that's how often flights that depart this airport arrive at their destination as planned.

Arriving in Buenos Aires

Jorge Newbery Airport (AEP)

  • Jorge Newbery Airport (AEP) to central Buenos Aires takes about 20 minutes by car. The center is roughly 6 kilometers away.

  • When traveling on public transport, expect a journey time of roughly 40 minutes.

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

  • Get on the fast track to adventure by picking up a Jorge Newbery Airport rental car. Grab your wheels from Hertz, Localiza or rentar low cost and explore beyond Buenos Aires's main sights.

  • Reserving your vehicle from Jorge Newbery Airport around one week in advance gives you the best chance of locking in a great deal.

Ministro Pistarini Airport (EZE)

  • Ministro Pistarini Airport (EZE) is roughly 24 kilometers from the center of Buenos Aires. After your flight from London to Buenos Aires, it takes approximately 35 minutes to reach the heart of the city in a cab or ride-share.

  • Traveling by public transport will take around 2 hours 10 minutes.

  • Place the 'Do not disturb' sign on your door and unwind at a hotel close to EZE. Here are a few options where you can check in after your flight from London to Buenos Aires:

  • No time to waste? The fastest way to get to where you're going is with a Ministro Pistarini Airport rental car. Grab a set of wheels from Hertz, Cactus or Localiza and be on your way in a flash.

  • Call dibs on the best options. Booking your ride from EZE one week in advance often means lower prices and a wider choice of vehicles.

Best time to go to Buenos Aires

  • April is the quietest month for flights from London to Buenos Aires, while August is the busiest. Pick the ideal time to go to Buenos Aires based on whether you like a laid-back vibe or a lively atmosphere.

  • Before locking in your London to Buenos Aires tickets, consider the weather you're most comfortable in. January is the warmest month in Buenos Aires, with temperatures ranging from 19ºC (66ºF) to 31ºC (88ºF).

  • Search for cheap flights from London to Buenos Aires in July if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 15ºC (59ºF) on average.

More about Buenos Aires

  • After booking your flight from London to Buenos Aires, choose a hotel that puts you where you want to be. Make one of these options your base for exploring Buenos Aires:

  • There are so many things to discover in this city it can be tricky to work out where to start. Obelisco de Buenos Aires, Recoleta Cemetery and Casa Rosada are highlights which should be on any good Buenos Aires itinerary.

Explore more of Argentina

  • Rosario is just one of the many places in Argentina waiting to be explored once you've seen the sights of Buenos Aires. Around 274 kilometers to the north-west, popular attractions include Monumento a la Bandera (Flag Monument), Predio Ferial Parque de la Independencia and Parque Nacional a la Bandera.

  • La Plata is another well-known destination in Argentina and is around 56 kilometers south-east of Buenos Aires. No journey is complete without dropping by Busto de Francisco Lopez Merino, Estacion circunvalacion and Museo Almafuerte.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.