Cheap flights from London to Buenos Aires

from as little as £666

8 nights in Buenos Aires, departing London Gatwick on 09 / Jun / 2025 with Air Europa (price found 9 hours ago)

Subject to availability, prices correct of the last 24 hours
Buenos Aires

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The London / Buenos Aires route

All 11103 km of it

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Buenos Aires flight facts

What you need to know

Alternative flights from the UK to Buenos Aires

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Alternative flights from London

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Buenos Aires

Today alone, Netflights has searched over 4,146 flights. 09 / Jun / 2025 is currently the lowest priced day of the year to fly the London/Buenos Aires route. There are around 272 flights on any given week from the UK to Buenos Aires and the cheapest month to fly right now is June.

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Min / Max Temperature (°C)
LOWEST

8 °C

AVG

18 °C

HIGHEST

27 °C

Rainfall (mm)
LOWEST

62 mm

AVG

88.7 mm

HIGHEST

121.1 mm

Key facts about Buenos Aires

How to get cheap flights from London to Buenos Aires

Tips and advice from our flight experts

With Netflights, you can compare lots of flights to Buenos Aires in Argentina. It's free and easy. We've gone through the 272 weekly flights connecting London and Buenos Aires, operated by 12 airlines – so you can see all your options before you book.

Buenos Aires actually has two airports. We've looked at all your options and found that, usually, Buenos Aires Ezeiza Ministro Pistarini Airport is the cheapest airport to fly into. You should also look out for flights with Air Europa – they often have the cheapest prices.

To get the best price, we recommend you book in advance. London Gatwick is usually the cheapest airport to fly out from so, if you’re flying from there, you should be able to get a good deal. Just so you know, prices will be at their highest in December peak season, while May normally has the cheapest flights.

It's 11103 km from London to Buenos Aires, and the flight takes around 19 hrs 35 mins. Need somewhere to stay when you get there? You can add also accommodation and car hire to your Buenos Aires booking on Netflights.

Other popular destinations near Buenos Aires

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