The online casino with the best payouts in the US is BetMGM. This site has an extensive library of 800+ casino games and an overall average RTP of 98.3%.

BetMGM is the highest paying online casino, and it is also the best payout online casino in terms of game variety. There are more than 1,000 slots at this best payout online casino, along with a huge variety of virtual table games and live dealer games, and there are lots of high RTP games within the portfolio.