The best online casinos continue to go from strength to strength, offering players the opportunity to play from their own home or even on the go on mobile. UK casino players can access a huge range of generous casino bonuses, online slot games, blackjack tables, roulette wheels and other table games. However, when it comes to maximizing your chances of winning with the biggest online casinos, choosing an online casino with the highest payout can make all the difference.

All the best online casinos will carry games that are independently tested to ensure they are fair. Casino games come with a built in RTP, which is the return to player percentage. This is an indicator of how much a player can expect to be returned based on a lifetime of play. Each game will be different, but by taking a sample of random games from an online casino’s lobby, we can determine which UK online casinos have the highest payouts, thus giving you the best chance to win.

Highest Paying UK Casino Free Bet Offers

Highest Paying Online Casinos UK

🎰 Red Axe Play – 97.83% 

Red Axe Play casino is a relatively new casino on the market, but it is really making waves. Red Axe Play Casino online has a massive selection of online slots and table games from top providers. Its games are tested rigorously before hitting the lobby, so fairness is assured. 

Up to $1,500 in Bonus Bets if Your First Bet Loses Promo Code: BOOKIES

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Used 60 Times Today

Bonus Bets Expire in 7 Days. One New Customer Offer Only. Must be 21+ to participate & present in OH. In partnership with MGM Northfield Park. Gambling problem? Call 1-800-GAMBLER. Visit BetMGM.com for T&Cs. US promotional offers not available in NY, NV, or Puerto Rico.

🎰 Neptune Play Casino– 97.41%

Neptune Play is undoubtedly one of the most generous online casinos in the UK. This is true not only because of the site's average RTP, but also thanks to the casino bonuses. With promotions such as Splash Battle leaderboard and Daily Spin Frenzy available to all UK players, along with a great welcome bonus, players can get more bang for their buck here. The selections of casino games is excellent here too, with the range of new online slots, in particular, very impressive. 

Up to $1,500 in Bonus Bets if Your First Bet Loses Promo Code: BOOKIES

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Used 18 Times Today

Bonus Bets Expire in 7 Days. One New Customer Offer Only. Must be 21+ to participate & present in OH. In partnership with MGM Northfield Park. Gambling problem? Call 1-800-GAMBLER. Visit BetMGM.com for T&Cs. US promotional offers not available in NY, NV, or Puerto Rico.

🎰 Dream Vegas Casino – 96.88%

Dream Vegas is one of the best online casinos, and has been for quite some time now. The exact figure for its average payout changes constantly, as new online slots will change the number slightly. It has a reputation for offering some great casino bonuses and promotions, and its status as the UK online casino with the highest payout just adds to its popularity. 

Up to $1,500 in Bonus Bets if Your First Bet Loses Promo Code: BOOKIES

Tap for Promo Activated! Visit site

Used 55 Times Today

Bonus Bets Expire in 7 Days. One New Customer Offer Only. Must be 21+ to participate & present in OH. In partnership with MGM Northfield Park. Gambling problem? Call 1-800-GAMBLER. Visit BetMGM.com for T&Cs. US promotional offers not available in NY, NV, or Puerto Rico.

🎰 Betfred Casino – 96.27%

Despite being better known as a sports betting site, Betfred also offers a top notch online casino. Its lobby is packed with slot games, table games and live dealer games from some of the best software providers around. With some versions of online blackjack here having an RTP of over 98%, it’s east to see why it ranks so highly. 

🎰 Casimba Casino – 96.08%

Casimba is one of a number of new online casinos that has literally thousands of casino games to choose from, and that offering continues to expand as new slot games are added all the time. Table games, particularly online blackjack generally have a higher RTP than slots, so the operator's 50+ roulette and blackjack titles certainly go some way to boosting the overall payout number. 

Up to $1,500 in Bonus Bets if Your First Bet Loses Promo Code: BOOKIES

Tap for Promo Activated! Visit site

Used 44 Times Today

Bonus Bets Expire in 7 Days. One New Customer Offer Only. Must be 21+ to participate & present in OH. In partnership with MGM Northfield Park. Gambling problem? Call 1-800-GAMBLER. Visit BetMGM.com for T&Cs. US promotional offers not available in NY, NV, or Puerto Rico.

Why Play at a Casino with a High Payout?

Playing at an online casino with a high payout percentage is crucial for any casino player. Payout percentage refers to the amount of money a casino pays back to its players in winnings relative to the total amount wagered. 

A casino with a high payout percentage indicates that it provides players with a better chance of walking away with winnings. By choosing one of our recommended UK online casinos with a high payout, you can significantly increase your potential returns and enhance your overall gaming experience.

What to Look for When Choosing a High Paying Online Casino

• 🃏 Casino Bonuses: One of the key advantages of playing at online casinos is the availability of generous welcome bonuses and promotions. When choosing an online casino, consider the types of bonuses they offer to new and existing players. Look for matched deposit bonuses, free spins, and loyalty programs. It’s important to read and understand the terms and conditions associated with bonuses, including wagering requirements and any restrictions on withdrawals, to ensure you make the most of these offers.
• 🃏 Range of Games: A diverse selection of casino games is a hallmark of a top UK online casino. Look for sites that offer a wide range of the best paying online slots UK, blackjack variations, roulette games, video poker, and other popular casino table games. A rich and varied game library ensures that you never run out of options and can find games that suit your preferences.
• 🃏 Customer Support: A reliable and responsive customer support team is essential when selecting an online casino. Look for casinos that offer 24/7 customer support via live chat, email, or phone. Prompt and helpful customer service ensures that any queries or issues you may encounter are resolved quickly and efficiently.
• 🃏 Fast Withdrawals: When you win, you want to enjoy your winnings as soon as possible. Therefore, opt for online casinos that prioritise fast and hassle-free withdrawals. Look for platforms that offer multiple withdrawal methods and have a reputation for processing withdrawal requests promptly.
• 🃏 Mobile App: Having a well-designed and user-friendly mobile app is a big plus. A reliable mobile app allows you to enjoy your favourite casino games on the go, ensuring that you never miss out on the action. Look for online casinos that offer dedicated mobile apps compatible with your device.
• 🃏 Licensing and Regulation: Safety and security should always be a top priority when choosing an online casino. Opt for casino sites that are licensed and regulated by reputable gaming authorities like the UK Gambling Commission. This ensures that the casino operates within legal boundaries, adheres to fair gaming practices, and protects your personal data.