Cheap flights from Southampton to Buenos Aires

Q: What are the cheapest airlines?

KLM. These airlines usually offer the cheapest flights from Southampton to Buenos Aires.

Q: What airlines fly indirectly?

KLM. These airlines fly from Southampton to Buenos Aires, but you’ll have at least one layover.

Q: How long is the flight?

16 hrs 40 mins. This is the shortest flight time from Southampton to Buenos Aires.

from as little as £1,038

7 nights in Buenos Aires, departing Southampton on 16 / Sep / 2025 with KLM (price found 46 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Southampton to Buenos Aires

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The Southampton / Buenos Aires route

All 11030 km of it

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Buenos Aires flight facts

What you need to know

What are the cheapest airlines?

These airlines usually offer the cheapest flights from Southampton to Buenos Aires.

What airlines fly indirectly?

These airlines fly from Southampton to Buenos Aires, but you’ll have at least one layover.

How long is the flight?

16 hrs 40 mins

This is the shortest flight time from Southampton to Buenos Aires.

Alternative flights from the UK to Buenos Aires

Check out prices for other routes

London to Buenos Aires

from £666 pp

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Manchester to Buenos Aires

from £831 pp

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Edinburgh to Buenos Aires

from £808 pp

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Birmingham to Buenos Aires

from £1,049 pp

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Southampton to Buenos Aires Arpt. Jorge Newbery Airport

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Southampton to Buenos Aires Ezeiza Ministro Pistarini Airport

from £1,038 pp

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Alternative flights from Southampton

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16 / Sep / 2025 is currently the lowest priced day of the year to fly the Southampton/Buenos Aires route. There are around two flights on any given week from the UK to Buenos Aires and the cheapest month to fly right now is September.

Not suitable? Try running another search or viewing all cheap flight deals.

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

Currency

Argentine peso

Language

Spanish

Guaraní

Timezone

3 hrs behind GMT

How to get cheap flights from Southampton to Buenos Aires

Tips and advice from our flight experts

Your flight from Southampton to Buenos Aires should take about 16 hrs 40 mins. We've gone through all two of the weekly flights to or via Buenos Aires, operated by one airlines, to help you compare flight prices and times. At the moment, the cheapest flight is £1,038.

KLM are the most popular airlines for flying from Southampton to Buenos Aires. Adjust your search options to look by month, and see how much you could save if you fly during low season.

In Buenos Aires, Buenos Aires Ezeiza Ministro Pistarini Airport (EZE) is usually the cheapest airport to fly to, but there are one airports to choose from. Not sure who to fly with? KLM are the most popular airlines available from Southampton.

But if you can't find one which is right for you, try looking at flights to other cities in Argentina to check out some other options.