Free Spins Bonuses and Promos to Win Real Money in 2025

Online casino bonuses are a pleasure to explore. They make virtual sites stand out against land-based casinos, thanks to high-value rewards like free spins bonuses to boost your win potential. 

What’s more, due to the far lower operating costs compared to brick-and-mortar venues, online operators will continue to delight their customers with ongoing free spins offers, cashback bonuses, and more. 

Free Spins & Online Casino Bonuses

Free spins bonuses are just one of the many opportunities online casino operators offer players to win real-money rewards and boosted prizes while playing slot machines and other games on their platforms.

The free spins awarded in such circumstances differ from the free spins bonus rounds found within slot games. Rather, they are a fixed number of spins at a fixed value, which you can use to play specific slots like you would use your regular balance or bonus funds. 

The main difference between free spins and bonus funds is that they are limited in their validity to specific games.

Free spins can form part of your welcome bonus when you sign up at a new online casino site or can be offered as separate ongoing promotions for returning players. 

Many free spins promos are organized in conjunction with game providers to alert players to new releases or to coincide with calendar events like St Patrick’s Day for Irish-themed slots or the many festive games that are released each year as the Holiday season rolls in. 

Free Spins Bonuses at FanDuel Casino

FanDuel Casino is an absolute favorite among players, where online casinos are permitted. It is a long-established and trustworthy brand offering fantastic gaming content across slots, table games, live dealer casino games, and more.

FanDuel Casino includes free spins as part of its welcome package for new players: 350 free spins on the operator’s exclusive slot machine, Huff N’Puff, and the potential $1,000 deposit match.

At the time of writing, other promos at FanDuel include bonus spins on Samurai 888 Spin Kenji to celebrate the title’s launch, free spins on Huff N’Puff when you wager $50 or more on Pop-a-Shot 2 LuckyTap, and a chance to participate in several different tournaments for a share of some pretty impressive prize pools.

BetRivers Casino

The welcome bonus at BetRivers does not include free spins as part of the package. Instead, it opts for a cashback on your losses bonus of up to $500 on your first 24 hours playing. Aside from the welcome bonus, the operator has other promotions throughout the year, including tournaments, exclusive jackpot games, and a rewarding loyalty club.

The loyalty program, known as iRush Rewards, is a multi-tiered affair that rewards you with better prizes the more you play. The operator runs special happy hour promos where you can boost your rewards points collected, climb up the tiers, and cash in your rewards for bonus store points.

BetMGM Casino

MGM is an iconic US casino brand that is most famous for its luxury casino resorts, such as the MGM Grand and Bellagio on the Las Vegas Strip. The online brand was launched in 2018 and gained instant customer confidence due to its long-standing dominance in the land-based space. 

The casino operator offers different promotions for its casino and sportsbook users, from multi-part welcome offers to game-specific promos, tournaments, giveaways, and a fantastic rewards program where you can cash in your points earned from playing for real-world rewards in the luxurious casino resorts.

The casino offers daily giveaways, a referral program that rewards you and your friend when they join and deposit funds, and an entire section dedicated to poker promos featuring instant cash prizes and cashback rewards. 

What makes the promotional offers at BetMGM Casino stand out is the crossover from virtual to real life, so you can enjoy the generosity of online casino rewards and experience the benefits in person.

Free Spins Bonuses at Other Popular Casino Sites

Despite our focus on the sites listed above, many trustworthy online casino operators are open to US players in states where online casinos are permitted. They all offer promos and bonuses in some form or another, many with free spins bonuses, loyalty rewards, refer-a-friend offers, and plenty more to enhance your online playing experience. 

Check out our dedicated casinos pages to discover more about the wonderful world of online casinos and what you can expect from US online casino sites.