Best Online Slots Sites in the UK May 2024

A list of the best slot games available online

If you decide to play online slots on UK casino sites then you’re in luck. There’s a chance that you will end up winning jackpots and other prizes. Below you will find a list of what we think are some of the best UK online slot casinos – check out the reviews.

Slots Sites Bonus Promo Code Registration Link
Genting Casino Up to £100 Bonus
100% Bonus – On your 1st Deposit between £20 - £100: 20x wagering on combined deposit and bonus total (% game weightings and play restrictions apply). Max bonus bet £5 (£10 live casino) 15 days to accept, 40 to complete. £5 bonus: After deposit bonus wagered, selected games only. 1x wagering, 7 days to accept, 7 to complete, max withdrawal from winnings £100. Full T&C’s
GENTCASINO Register here
Gala Casino 100% up to £200 + 20 free spins
gala casino terms
See offer details. Register here
Bet365 Casino Up to £100 Casino at bet365 New Player Bonus!
Not required Register here
New Casino customers only. Deposit min. £10. Applies to first deposit to Casino only. Max. bonus £100. 20x wagering (game weighting, table coverage and max. bet rules apply) on deposit and bonus to make the bonus balance withdrawable. Time limits and T&Cs apply.
Foxy Casino Spend £10 Get 50 spins
Foxy Casino Terms
See offer details. Register here
Ladbrokes Casino Get £50 Bonus Not required Register here
18+. New Casino players only. Deposit required. Bet £10+ on qualifying games. 40x wager reqs (bonus only) on selected games. Accept Bonus within 14 days. Bonus valid for 30 days. Certain deposit types excluded. Player restrictions and T&Cs apply.
William Hill Casino 150% for any deposit over £10 WILLIAM150 Register here
Coral Casino Deposit £10 and get £50 Welcome Bonus
18+. Bonus must be accepted with 48 hours, has 40 x wagering reqs (certain games only) and is valid for 30 days.
Paypal and certain deposit methods excluded.
Bets covering >70% of Roulette table don't count to wagering. T&C's apply.
See offer details Register here

Our first choice: Gala Casino

gala casino 1

If you’re after a big collection of slot games that you can freely choose from, try Gala Casino. It has probably the biggest collection of online slots – the number of games is north of 300.

Feel free to pick any one of them and play. But if you want us to recommend you a game, then you can try Crown Gems Hi Roller, Ted, and Rainbow Riches.

The return to player (RTP) is an important factor in a slot game, and typically the bigger the RTP, the bigger your odds of winning. So, we recommend you to play Goblin’s cave because the RTP of this game is the highest on the site.

You can also get a free welcome bonus for your initial deposit – in the form of up to £400 of free money with which you can play.



logo ladbrokes ukLadbrokes is known as one of the biggest online casinos in the entire United Kingdom. It has stood the test of time and it has become a fan favorite.

You can use many different payment methods at this site. Even PayPal is accepted as a valid deposit and withdrawal method for the slot games. There are quite a few other methods of payment as well – Skrill, Visa, MasterCard, Ukash, and many others. There’s a welcome bonus for new players and it consists of a 100% increase of your original deposit, up to a level of a £100.

The VIP club is set in place at this casino, and the members of it have an exclusive access to certain promotional offers and discounts that players can use in order to win big money. The tech support at this site is top notch, and it’s always a pleasure to be able to communicate with the tech team in different languages.

You can get the welcome bonus if you just enter the promo code “LOVELIVE”.


Betfred Casino

betfred compressorBetfred casino was a bookie when it originally started operating. Nowadays it has a hefty slot game collection that’s on par with that of most online casinos. There’s a huge welcome bonus of up to £200 and you can use this free credit to play Goblin’s cave, Vacation Station, or Beach Life for an example.

If you deposit £5 pounds, then you will get £25 worth of free money that you can use to play on the slots.

And there’s a special offer for those among you that won’t be lucky. For every £10 that you will lose in some games, you will get a free spin which you can use to try and get your money back. This offer is valid only for the following games: Jungle Jim, El Dorado, Tarzan and Lost Vegas.

If there’s a bad thing about Betfred casino, then it’s the fact that there are no VIP offers set in place for the casino players.


William Hill Vegas

william hill

William Hill Vegas is known as a highly reputable online casino. You can find some of the most popular slot machine games from some of the biggest software vendors. William Hill Vegas is fully licensed, and the team behind it is made of top-level professionals.

As for the slots themselves – you can find some of the best of them right here. The videos that you will see at this website are HD. If you prefer to use your phone for playing, then you’ll be delighted to know that there’s also a mobile-friendly version of this website and that you can use this version in order to pay your favorite slot games on your mobile. A good thing to be aware of is the fact that you won’t have to download anything – you can play the games directly. If you have privacy concerns, then you need to throw them off when it comes to this site. All of the client information is fully encrypted with the use of the latest, most powerful encryption technology. Your financial data will be perfectly safe here.

If you wish to use the welcome offer of this casino, then register at the site with the promo code “F50”.



Bet365 e1485261775380

Bet365 is a worldwide known operator. The slot games at this site can be played on PC and mobile. Here you can find some of the best slot games that are available to play.

You will have a choice to play games such as Jack Hummer, Starburst, Boom Brothers and Aliens. All of these games are fan favorites because of the quality of their graphics, the sounds and music that go in the background, and comparatively high RTPs, based on our personal experience.

Some minor sites worth to try

Lucky31 casino

Lucky31 casino is another highly rated online casino in the UK. It’s also a recipient of a certificate of trust, which only a select number of gaming companies can get, once they go through a tough vetting process by external auditors.

The slot games are top level fan favorites, and they are all in HD. You’re bound to be entertained no matter who you are. Some games that you can play here are Thunderstruck 2, Rhyming Reels, and Immortal Romance. If you have any issues with this site, then you can immediately contact customer support through the live chat platform, and get immediate assistance with your problem. You can deposit and withdraw money with the use of most major payment providers. Lucky31 casino also features a mobile-friendly version of the website, and this means that you can play your favorite slot games on your mobile.

Lucky 247

Lucky 247, while a relatively minor site, is still a top destination for online gamblers in the UK. You can play online slot games in a fully secure environment.

You can play the games on various devices – mobile, PC or tablet. The tech support here is top notch as well, as are the methods of payment – you will be able to deposit and withdraw money with ease. If you’re concerned about the safety of your financial data, then you will be happy to know that this site was awarded the coveted safety certificate by Ecogra. If you’re after the bonus offer – you will get one here. You can get up to 500 pounds for your first three deposits. You will also get dozens of free spins to spice things up.

Welcome to the World of Online Slots

Most gamblers have heard and experienced the phenomenon of the online slots. But for the few among you that haven’t done this – the online slots are games much like the original real life slot machines. You can play these slot machine games online, and all you’ll need to do so is an internet access device, such as a laptop or a cellphone, or even a tablet. The games themselves are sold by vendors to the various gambling companies that operate online, and the two chief forms of online slot machines are the slots that you can download, and the slots that you can play directly, without needing to download anything.

In the beginning, the online slot games had only three reels with a single pay line – this was the classical design. But as time went by the software creators began adding up new innovations, and now you can find online slot games with several reels, as well as multiple pay lines. There are certain cases where you can play with ten reels and dozens of different pay lines.

Some software developers have introduced an innovation that replaces the so called pay lines with an alternative. With this new design you now have many different ways in which you can win after a single spin. It’s not all that complicated – this alternative to the pay line uses the same principle of work as the classic pay line. If you play a game of this type, then you will see some odd looking symbols during your playing experience.

These symbols typically are the wild symbols, and the so called scatter symbols. The first ones are a substitute for other symbols. The wild symbol can take the place of any other symbol that you may need on a particular pay line in order to make it a winning pay line. And the scatter symbols are typically a road to a bonus game where you will most of the time get free spins. These symbols are very popular among players and they increase the odds of winning money.

The principle on which the online slot machines work is based on the work of a random number generator. This is a computer algorithm that randomizes the results and it connects the numbers to an algorithm.

If you’re new to this, we must tell you that playing the online version of the slots is pretty simple. All you will need to do is to make a first deposit, and then select your favorite slot game. Choose the number of pay lines that you wish to play on, and place your bet. After that, you can click on the spin button and hope for the best.


There are many different online casinos that offer slot games, in the UK. Our list featured some of the top companies that operate in the UK. Our final advice to you would be to go and check out the terms and conditions of a particular website where you’d like to play, before depositing any money, just to be sure on what the rules and conditions are.

last update : May 2024