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 £1,359.
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.