When it is full, the salinity levels of Lake Eyre South match those of the nearby ocean.
However, higher temperatures and evaporation in the dry season means that the salinity also increases. The pink color is because of the high salt saturation combined with a species of algae inhabiting the water.
You might want to check your destination since some flights might take longer than you can imagine or expect. Here are the top 10 longest flights in the world.