Cheap flights from Madrid to Buenos Aires
Cheap return flights from Madrid to Buenos Aires
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Buenos Aires flight facts
What you need to know
What are the cheapest airlines?
- Iberia
- Air Europa
- LATAM Airlines
These airlines usually offer the cheapest flights from Madrid to Buenos Aires.
What airlines fly indirectly?
- American Airlines
- Air France
- KLM
These airlines fly from Madrid to Buenos Aires, but you’ll have at least one layover.
How long is the flight?
13 hours 45 minutes
This is the shortest flight time from Madrid to Buenos Aires.
Alternative flights from the UK to Buenos Aires
Check out prices for other routes
Alternative flights from Madrid
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Madrid/Buenos Aires route. There are around 35 flights on any given week from the UK to Buenos Aires and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Madrid to Buenos Aires
Tips and advice from our flight experts
You've searched for flights from Madrid to Buenos Aires. We've found 25 flights and compared them to give you the best offers. Iberia is, on average, the cheapest airline for this route. Look out for their deals! The cheapest offer we've found is a one-way ticket for Madrid to Buenos Aires on 28/03/2026 at 02:15 for £84.
We've scanned hundreds of airfares from dozens of airlines across the globe. We've found 15 airlines that operate the 10,000 km flight from Madrid to Buenos Aires.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Traveling during the off-peak season can also save you money. Iberia is a popular and affordable choice for this route, with an average flight duration of 13 hours 45 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money!
Other popular destinations near Buenos Aires
Where other people are flying to
