If you are already using an online sportsbook, you have probably seen betting lines offered on League of Legends and other esports events. William Hill, and Bet365 are likely the two places where odds for LoL can be found.
The easiest way to bet on esports in the US is online, at the best offshore sportsbooks. These provide solid coverage for the most popular sports, so you can expect to find all of the major events here. As a result, you can prepare for a big tournament in advance after finding a solid sportsbook for esports betting.