Scroll through your results to compare flight times and prices – the cheapest flight from Iguassa Falls to Rio De Janeiro is currently sitting at £239.
Or, if you're fairly flexible on dates, try to get a last minute-deal by regularly checking the Netflights website.
Not sure who to fly with?
But if you can't find one which is right for you, try looking at flights to other cities in Brazil to check out some other options.