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