Digital Trends: How to watch the 2018 FIFA World Cup online. “Beginning June 14, the world’s best soccer players (and most rabid fans) will convene in Russia for the 2018 FIFA World Cup. It’s by far the biggest sporting event in the world — over a billion people tuned in live to watch the 2014 World Cup finals match in Brazil. Chances are, you’re one of those fans — or at least curious what all the hype is about. We’ll help you figure out the best way for you to watch the 2018 FIFA World Cup online.” SPOILER ALERT: Cable is your best bet.