Slots Welcome Bonus | Best Slot Bonuses for February

Our Top 20 Slots Welcome Bonuses

Jump to:

Most online casinos have some sort of welcome offer. However, if it’s just online slot games you’re interested in, then you can find specific slot welcome offers.

Here at Casinos.com, it's our business to find the best slot sites in the UK with the best promotions. And what's more, every casino we feature is licensed by a reputable gambling regulator, so you know they’re legit.

Below are some of my favourite sites for the best slots bonuses in the UK:

Best Overall Slot Bonus: Crystal Slots

• Features: spin the Mega Reel to claim free spins on the slot game Sweet Bonanza when you sign up and deposit £10.
• Wagering requirements: x65
• Need to know: on your initial deposit, potential prizes on the Mega Reel include Amazon vouchers and free spins on games like Sweet Bonanza. With every deposit of £20 or more, you'll get an extra spin of the Mega Reel.
• Our view: a bunch of free spins is a great way to get into the swing of things and get to know the casino better. And while the wagering requirements to withdraw your bonus funds as cash are high, it's cool that you can spin the Mega Reel after every £20 deposit.

Best Free Spins Bonus: NetBet

• Features: you'll get a free spins no deposit slot bonus when you use the code SBXXXTREME2. When you deposit £10 or more, you'll get more free spins. 
• Wagering requirements: any winnings from the free spins will convert to bonus money once you’ve wagered them 40x.
• Need to know: you get a part of the free spins deal when you make your first qualifying deposit. Then, you get the remaining free spins in small batches within six days. Skrill, Neteller and prepaid card payment options are not included in this slots welcome bonus in the UK.
• Our view: this is a healthy chunk of free spins to start enjoying slots online, and we appreciate the relatively low first deposit amount needed.

Best Cashback Bonus: No Bonus Casino

• Features: 10% cashback on your deposits when you lose all the money you deposited in a single day, forever.
• Wagering requirements: no wagering necessary.
• Need to know: the cashback bonus is available for 10 days after you made the associated deposit. Your balance must be below £10 to activate a cashback withdrawal.
• Our view: we like No Bonus Casino's cashback deal, because it softens the blow of losing bets. What's more, the fact you don't need to wager the bonus makes it very straightforward. We also like how this slot bonus is so different to 99% of others out there. It also means you can get something out of best payout online slots, which are often excluded from other promos. 

Best Weekly Slot Bonuses: LeoVegas

• Features: up to 200 free spins on selected slots when you connect, follow and like LeoVegas on social media. 
• Wagering requirements: this competition is free from deposit, wagering and withdrawal requirements. 
• Need to know: the competition is open to UK residents and runs from Monday to Sunday. Entry is free, but you’ll need a LeoVegas account to claim the slot bonus. Free spins are valid for 14 days, with their value depending on the game. If you win, you’ll need to sit out for a month before entering again.
• Our view: LeoVegas has great slots bonuses, including this social media offer. Even if this deal is removed, we can imagine them being replaced by other cool bonuses. Book of Dead is one of the most common casino video slots included in slots deposit bonuses. Currently, they have a great slot bonus as a welcome offer (see below), so check it out if you're new to the casino.

Slots are the most played games at casino sites, so it's no surprise many operators try to attract you with an online casino bonus on slots.

There's one obvious reason why slots are so popular. If you're lucky, you can win big jackpots from modest stakes. For instance, a UK player won £16 million from £0.25! This kind of jackpot size and win is rare — there's a one in 34 million chance of winning a £16 million slot jackpot. 

Another big attraction to slots is bonuses. You can get a 100% match bonus to sign up at a casino, and existing players can also grab a slots deposit bonus.

We aim to bring you all the top slots bonuses on brand new online slots in the UK. The market is constantly changing, so instead of testing hundreds of casinos yourself, we do that for you.

Finding the Deals: Online Slots Bonus Offers

When seeking the best offers, most of our time is spent within the bonus T&Cs. Only once we’ve studied these can we assess if a bonus is worth promoting.

We want to make sure you get the right slots bonuses for the games you want to play. But we won’t push a site based on reputation alone.

Some casinos make you work harder than others to unlock your bonus, and we’ll let you know which offers the best value for the time and effort required.

How to Sign Up for the Best Slots Bonuses in the UK

1. Choose a casino. Select from our list above and see which one offers the best slot bonus UK players can claim. Note that free spins bonuses let you play a few free online slots and find a game you love.
2. Open an account. You'll first need to create an account with that casino site to play online bonus slots.
3. Check the terms and conditions. Although most bonuses come with similar terms, check them before depositing anyway.
4. Activate an online slots bonus. Some bonuses, such as no deposit bonuses or free spins, can be activated simply by opening a new account. Some require a promo code. If you’re unsure, contact customer support for help.
5. Make a deposit. Most of the biggest bonuses require money to be paid into your account before your bonus can be used. Minimum deposits are usually at least £10 but often £20. Remember, many e-wallets are excluded from claiming bonuses, but you can still find PayPal casinos online to give you a bonus.
6. Start spinning! Once you have your bonus, start using it to play slots! If you win using bonus spins or credit and have fulfilled the wagering requirements, you can withdraw your funds or keep betting.

Types of Slot Bonuses in the UK

Online casinos are ever-changing, and slots bonus offers evolve, too. Any two deals are rarely the same, but plenty have a similar theme. Below, we highlight a range of bonuses you can access at several online casinos.

UK Slots Sign Up Bonus

These bonuses welcome new players to the casino. The welcome bonus is the most common type of bonus that you can get, as it’s part of a casino’s strategy to get you to sign up.

Free Spins Bonuses

Free spins are a nice taste of the casino’s slots section, allowing you to get to know the casino and perhaps win cash, too. You can get these offers on their own or with another offer, like a matched deposit bonus.

The number of casino free spins you get will vary, but the winnings will usually need to be wagered before you can withdraw real money. This means betting the value of the bonus one or more times. These bonuses could also be called bonus, extra, and super spins.

The following free spins offers may interest you: 

Slots Deposit Bonus

A deposit bonus, or a matched deposit bonus, is very common. In this type of bonus, the casino site will match your deposit up to a certain amount, e.g., you get a 100% bonus up to £100.

The value of offers like this varies depending on whether you’re a new or returning customer. The bigger offers are usually reserved for attracting newbies. However, existing players can also claim offers like reload bonuses.

No Deposit Bonus

These are as rare as hens’ teeth, but if you’re lucky, you can still grab the odd no deposit bonus for slots. This is a bonus that the casino will give you when you register an account, with no deposit needed to trigger it.

A bonus that requires no deposit could be free spins or a free bet on a sports betting site. Then, you’ll have to wager whatever you win with the bonus. No deposit bonuses are on the rarer side these days, but for slots, we have seen 25 free spins no deposit casino bonuses. 

New Slot Promo Offers

Some casinos promote special offers when new slot games are released. It gives players the chance to play real money slots for free. The offers include prizes like extra spins, tech gadgets, luxury gifts and entries to slot tournaments.

Reload Bonuses

These offers are available to existing players who have made their initial deposit and claimed the welcome offer. Casinos often release bonuses on a player's second, third, fourth and even fifth deposit.

Cashback

A cashback offer is when a casino site refunds a percentage of your lost bets or deposits from a certain day, weekend, week, or month. You might need to hunt for these, but they can be found, especially at newer casinos that work harder to keep you.

Loyalty Bonuses

Many online casino sites have loyalty programmes with lucrative prizes up for grabs, like holidays and cars.

A good loyalty programme will allow you to earn loyalty points whenever you bet. The more games you play, the more points you earn.

With loyalty points, you can progress to the next member level, which can give you reduced wagering contributions on bonuses. Other benefits include a personal account manager and more cashback every week.

Mobile Slot Bonuses

Mobile casinos in the UK are now just as successful and accessible as desktop casinos, so offers exclusive to mobile are becoming rare.

That being said, it’s worth noting most casinos allow you to clear a bonus by betting on mobile via your browser or their app, on Android or iOS. The only issue is that not all desktop games are available on mobile just yet.

Many sites have produced casino apps where you can play for real money, so they are worth downloading if you want to play away from home.

Bonus Buy Slots

Who doesn't love slots bonus rounds? Bonus buys slots allow you to trigger bonus rounds in certain slot games. Unfortunately, you can't do this in the UK anymore after the UK Gambling Commission banned this feature in 2019. We introduce you to alternatives you can play and enjoy in the UK.

What is a No Wagering Slots Welcome Bonus?

They're hard to find, but you can get no wagering slots welcome bonuses. For example, when you join a casino, you might get a deposit bonus of extra spins or even cash after your first deposit. 

Then you get to use that bonus to hopefully win more money. With this bonus type, if you win more cash, you can withdraw it without playing through it a certain amount. 

MagicRed is a good example. The slots welcome bonus here has no wagering requirements. Get that offer below.

Deposit Bonus Slots

Some slot games like Rich Wilde and the Book of Dead and Big Bass Bonanza feature in lots of slots deposit bonuses. There's no single reason for this but these are factors:

• These slots are famous and their names attract new bettors
• They usually have an average RTP; some are highly volatile. This means, on average, you won't win a fortune from the bonus, which protects the casino from huge losses. Progressive jackpot slots are usually excluded from slots bonuses for this reason.

Popular Deposit Bonus Slots

These are some of the slots we usually see in slot welcome offers and existing player rewards:

• Rich Wilde and the Book of Dead
• Big Bass Bonanza
• Starburst
• Fishin' Frenzy
• Big Irish Bucks
• Eye of Horus

All these slots have an RTP of around 96% or lower, which means for every £100 bet, the average player will get £96 back. Of course, you can win more than 96% or lose more than 4%. 

Your maximum win potential also depends on any bonus limits. It's important to remember that free spins and other deposit bonuses are simply that though - bonuses - so it's best to treat them as a nice added extra.

With thousands of slot games, it can be difficult to know where to start. To help, we've compiled the following list of the most popular slot games in the UK right now. These games are frequently eligible for bonuses, but always read the small print to be sure.

How We Rate the Best Slots Bonuses in the UK

Here at Casinos.com, we don’t just post a generic review. We go deeper and are more genuine to bring you only the best slots bonuses around.

Our Team of Experts

To do this, we’ve created a dedicated team for each aspect of online casino. This team is set up to find every great online slots bonus and explain how each works and compares to the rest.

Our team includes professional casino players, game developers and casino writers. The team can cover reviews in greater detail than a one-man band.

With each review, there are guidelines our team follows. With new slot sites popping up all the time, we try to test all the best new online casinos when they hit the market.

Assessing Bonuses

The first port of call is the bonus and money on offer. ‘The bigger, the better’ is a common misconception, as wagering requirements play a part.

Working through wagering can be challenging, so we explain the bonus terms as clearly as possible.

Wagering contributions include the amount needed to clear the bonus for withdrawal. They also cover the time limit on the bonus, the games included, and the maximum bet allowed with bonus money.

Evaluating What Each Casino Has to Offer

Once we review the bonus, we move on to the wider casino and the number and quality of slot games. This includes the number of mobile slots online that are accessible. We know players love playing slots on the go.

Casinos like to use the same game providers and have many of the same slots, so we give extra points for an original range of great slots. We also love it when a casino offers progressive jackpot slots and a healthy selection of Megaways slots.

Banking and customer support options are also key to our reviewers. These can make or break your experience. The website might have the best games and bonuses in the world, but it's pointless if you can’t get money in and out.

We test bonuses and casinos every day, so check this page later in case we find even better slot bonuses.

Terms and Conditions: What are Wagering Requirements for Slots Bonuses?

The main concept behind wagering requirements is to stop players from taking the bonus money and disappearing.

A typical offer requires a wagering of 30x the bonus amount. So, if you claimed a £100 bonus, you'd need to make £3,000 worth of wagers to clear it (30 x £100).

If you can win and bet £3,000 using the initial £100 bonus money, you can withdraw anything else as cash. The bonus money doesn’t become real money until you reach this point.

Exclusions

Bear in mind that some games don't contribute towards wagering. Usually, live casino games like blackjack aren’t included, or they only count 10%. However, casino slots usually count 100% in wagering, although some may not count.

Also, you can't use some payment methods to deposit and claim bonuses. Plus, you generally have to withdraw funds using the same payment method you used to deposit them. Remember, most online slots bonus funds expire after several days.

Wagering Calculator

If you’re still confused about wagering requirements, try our wagering calculator. Clicking the image below opens it in a new window.

This tool counts how much money you need to bet through before you can withdraw your bonus.

To start, type in your deposit amount. Then add the bonus percentage (i.e., 200%) and how much you need to wager. Insert the game's contribution, and you'll see how much you need to bet using your bonus money.

Is There a Limit on How Much You Can Deposit at a Slot Site?

Yes, there is. While many operators provide the best casino payment methods, each has limits and withdrawal times.

Deposit limits are usually highest for debit cards and bank transfers. Meanwhile, e-wallets and prepaid cards have lower limits.

Do All Slots Bonuses Require a Promo Code?

Very few bonuses come with a casino promo code but if you find one, use that code to claim your bonus. To use it, enter the bonus code before making your first deposit or follow the casino's instructions. You won’t be able to add another one if you forget.