We've gone through all the flights from Cardiff to Rio De Janeiro, to help you find the best option. Your journey from will last about 17 hrs 30 mins.
Or, if you're fairly flexible on dates, try to get a last minute-deal by regularly checking the Netflights website.
Rio De Janeiro actually has one airports to choose from – but Rio De Janeiro Jobim International Airport (GIG) 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.
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.