Cheap flights from Cardiff to Buenos Aires

Q: What are the cheapest airlines?

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

Q: What airlines fly indirectly?

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

Q: How long is the flight?

15 hrs 55 mins. This is the shortest flight time from Cardiff to Buenos Aires.

from as little as £1,438

20 nights in Buenos Aires, departing Cardiff on 15 / Mar / 2025 with KLM (price found 21 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Cardiff to Buenos Aires

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The Cardiff / Buenos Aires route

All 10970 km of it

Cheap flight deals for this route

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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 Cardiff to Buenos Aires.

What airlines fly indirectly?

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

How long is the flight?

15 hrs 55 mins

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

Alternative flights from the UK to Buenos Aires

Check out prices for other routes

London to Buenos Aires

from £655 pp

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Manchester to Buenos Aires

from £658 pp

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Edinburgh to Buenos Aires

from £775 pp

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Birmingham to Buenos Aires

from £1,027 pp

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Cardiff to Buenos Aires Arpt. Jorge Newbery Airport

search for price

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Cardiff to Buenos Aires Ezeiza Ministro Pistarini Airport

from £1,438 pp

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15 / Mar / 2025 is currently the lowest priced day of the year to fly the Cardiff/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 March.

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 Cardiff to Buenos Aires

Tips and advice from our flight experts

Your flight from Cardiff to Buenos Aires should take about 15 hrs 55 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 £1,438.

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

Buenos Aires actually has one airports to choose from – but Buenos Aires Ezeiza Ministro Pistarini Airport (EZE) is the usually the cheapest option. If you need to fly into a specific airport, adjust your search to focus on those flights. The most popular airlines include KLM.

If you can’t quite find what you’re looking for, try checking flight prices to other cities in Argentina.