Discover the Best Online Slots · 1. . Kwiff Casino: Best Free Spins Slot Site. PlayFrank · 2. Find your perfect match and win real money at the most trusted slot casinos in the UK. Fun Casino · 5. % Bonus up to £50 + Bonus Spins. Magical Vegas Casino: Best Megaways Slot Site. Book of Dead (Play 'n GO) · 2. JackpotJoy Casino: Best Progressive Jackpot Slots Site. Best Features: Over slot games, including more unique slots like Scratch King. Find the best UK online casinos with the latest real money slot games, excellent bonuses, online betting, loyalty rewards and more. Play a wide variety of online slots at the best UK slot sites. All UK Slot Sites () · Bally Casino · Planet Sport Bet Casino · Casushi Casino · [HOST] Casino · Lottoland Casino · BetUK Casino. Mr Vegas. Immortal Romance (Microgaming) · 4. Top UK casinos for playing slots · Duelz · Mr Vegas · Magic Red · MrQ · VoodooDreams · Luckster Casino · Winomania · Hotstreak Slots. Bonanza Megaways. These generally come from leading software providers, with Starburst, Book of Dead, Gonzo's Quest and Bonanza being among the most popular slots. Leo Vegas: Best Mobile Slots Site. Starburst (NetEnt) · 3. You are. Videoslots Casino · 4. Best UK Slot Sites · 1. Casumo · 3. Best Online Casino Site for Slots: Winomania. Over Slots; Best Game Providers; Huge Live Casino Section.