Discover the Best Casinos with Exciting Slot Bonuses

Welcome to RelaxingSlots, your ultimate destination for exploring top-rated casinos with thrilling slot games and lucrative bonuses. Whether you're a seasoned player or new to the world of online casinos, RelaxingSlots is here to guide you through the maze of options and help you find the perfect gaming experience.

Our expertly curated list features only the most reputable and trusted online casinos, ensuring a safe and enjoyable gaming environment for all players. From classic fruit machines to immersive video slots, our selection covers a wide range of games to suit every taste and preference.

But that's not all – at RelaxingSlots, we understand the importance of bonuses in enhancing your gaming experience. That's why we've handpicked casinos that offer generous bonuses and promotions specifically tailored to slot enthusiasts. Get ready to boost your bankroll with exciting welcome bonuses, free spins, and other exclusive offers!

Top 5 casinos

MrPLay

Up to £200 + 100 Extra Spins

PubCasino

100% Welcome Bonus up to £100

Bwin

100 Bonus Spins on Starburst

NeptunePlay

100% Welcome Bonus up to £200 + 25 Bonus Spins

PlayOjo

Get 80 Extra Spins on your 1st Deposit (No Wagering Requirements)

More casinos

Explore Exclusive Casino Bonuses and Promotions 2024

Unveil an extensive array of enticing deposit and no deposit casino bonus deals on this page. Glide through our meticulously curated list of casino bonuses below for a comprehensive comparison of the latest offers. From lavish welcome bonuses to complimentary spins and no deposit perks, we've got it all covered. Our commitment is to cater to diverse preferences, ensuring that every visitor finds something tailored to their needs. Stay assured, we're dedicated to delivering the most competitive compilation list to elevate your gaming experience.

4.6 / 5

WELCOME BONUS 100% up to £100

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. New customers only, min deposit £10, wagering 40x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. - Full Terms Apply

RainbowRichesCasino

3.8 / 5

WELCOME BONUS Play £10, Get 30 Bonus Spins

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. New members only, Min £10 deposit & wager. 30 day expiry from deposit. Extra Spins: on Rainbow Riches. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. **£10 lifetime deposit for Daily Free Game., must opt in.

4.8 / 5

WELCOME BONUS Spend £20 Get 100 Spins (No Wagering)

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. First deposit only. Min deposit & spend £20. Max 100 spins on Big Bass Splash 10p per spin. Spins credited upon spend of £20. 18+ Full T&Cs apply.

5 / 5

WELCOME BONUS Get a £50 When You Play £10 on Slots

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. New Casino players only. Deposit req (certain types excluded). Bet £10+ on qualifying games to get a £50 Bonus (selected games, 40x wag req, accept within 14 days, valid for 30 days). - Full Terms Apply

4.0 / 5

WELCOME BONUS 100% Deposit Bonus Up To £100 + 100 Bonus Spins

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. New Players Only. BeGambleAware.org Minimum Deposit £20,40x Wagering in 7 days, Deposit played first, Max Bet £5, Max Win applies., Certain games excluded, Spin value £0.1 each. 50 Extra Spins Available Within 24 Hours of Claiming The Bonus Deposit and another 50 Spins Available 24h later. Full T&Cs apply. Take time to think.

4.4 / 5

WELCOME BONUS Stake £10 on Slots, Get up to 200 Extra Spins!

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. New customers only. Opt In required. £/€10 min stake on Casino slots within 30 days of registration. Max bonus 200 Extra Spins on selected games credited within 48 hours. Extra Spins expire after 7 days. iOS app restrictions may apply. Email/SMS validation may apply. Not available in NI. Full T&Cs apply.

3.9 / 5

WELCOME BONUS 100% Welcome Bonus up to £123

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. Welcome bonus for a new players only | Maximum bonus is 100% up to $/€/£ 123 | Min deposit is $/€/£ 10 | No max cash out | Wagering is 50x bonus | Maximum bet while playing with a bonus is $/€/£ 5 | Eligibility is restricted for a suspected abuse | Skrill and Neteller deposits excluded | - Full Terms Apply

4.0 / 5

WELCOME BONUS 100% Welcome Bonus up to £200 + 11 Bonus Spins

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. The Welcome Bonus is only available to newly registered players who make a minimum initial deposit of £10. The welcome offer can be activated only once, when making your first deposit. In order to receive the maximum of £ 200 bonus, you will need to wager an amount equal to 35 times the value of your first initial deposit within 60 calendar days from the date on which the Welcome Bonus option has been activated under the 'My Bonuses' section of your account.. Full Terms Apply.

4.3 / 5

WELCOME BONUS 100% Welcome Bonus up to £100 + 20 Free Wager Spins

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. New depositing players only. Min. deposit: £20. Max. bonus: £100 + 20 Bonus Spins on Big Bass Bonanza. Offer valid on the first deposit. Winnings won with bonus spins that require a deposit have no wagering requirements. The match-up bonus that requires a deposit must be wagered 40x. T&C's Apply

4.8 / 5

WELCOME BONUS 100% Deposit Match up to £200 + 100 Extra Spins on Immortal Romance

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. £20 min. deposit. £200 max match. 50x wagering on Bonus + Extra Spinswinnings. Extra Spins must be used to reveal paythrough. Game eligibility & contributions vary. 10p to £5 bet range. £1,000 max redemption. New players only. Exclusive to select customers. Limitied time offer. Valid 7 days. 18+. BeGambleAware.org. T&C's apply.

AllbritishCasino

4.5 / 5

WELCOME BONUS 100% Welcome Bonus up to £100 + Always 10% Cashback

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min. deposit is £20 | No max cash out | Wagering is 35x bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Cashback is cash with no restrictions | Skrill & Neteller deposits excluded | Cashback applies to deposits where no bonus is included - Full Terms Apply

4.0 / 5

WELCOME BONUS Spend £10, Get 30 Extra Spins

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit.18+. Extra Spins: on MONOPOLY Paradise Mansion. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply.

HippodromeOnline

4.1 / 5

WELCOME BONUS 100% up to £50 + 50 Bonus Spins

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. New customers only. You must opt in (on registration form) & deposit £20+ to qualify. Offer valid 7 days from registration. Debit card deposits only. Welcome Bonus: 100% match bonus up to £50 on 1st deposit. 50x wagering applies (as do weighting requirements). Extra Spins: Awarded on Big Bass Splash once you have staked £20. Spin value = 20p. No wagering requirements on extra spin winnings. Full Terms Apply

Doublebubblebingo

3.8 / 5

WELCOME BONUS Play £10, Get 50 Extra Spins

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit. Extra Spins: on Double Bubble. Spins value: 20p each. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. **£10 lifetime deposit required.

4.5 / 5

WELCOME BONUS 100% up to £100 + 100 Bonus Spins

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. | 1st deposit only | min deposit £10 | max bonus £100 | X40 wagering | bonusspins valid for selected games only | X40 wagering on bonus spins winnings | expires within 24 hours | user agreement & bonus T&C's apply.

4.7 / 5

WELCOME BONUS Get 150 No Wager Extra Spins

18+. Full T&C's apply.

18+. Gamble Responsibly. Gambleaware.org. 18+ New customers only. Opt in via mobile, deposit £15+ and wager £15+ on Big Bass Bonanza Reel Action within 7 days of opening new account. Get 150 Extra Spins no wagering on Big Bass Bonanza Reel Action. 7 days expiry. Card payments & Apple Pay only. T&Cs Apply,

What to Expect From a Slots Casino Bonus

Online slot machine players get the best deal when it comes to online casino offers. Generally speaking, all welcome offers can be used to play slots games. Some casinos stipulate that you can’t use the extra cash on other casino games such as roulette and blackjack, or perhaps only a small percentage. However, it’s always wise to pay attention to the terms and conditions.

Many online casinos match your first deposit up to a specified amount. This money is often added to a separate account so you can play, but not withdraw from it. You may also have to fulfil wagering requirements to unlock the offer (and the winnings made with the bonus money). You’ll find the most common online slots bonus types below.

Free spins are often included as part of a slots welcome package. This is a popular way of enticing new players to a casino because you get a chance to try out the slots games for free while potentially winning real money. There is a slight catch; you’ll still have a number of play-throughs to satisfy even if you get lucky building a bankroll with a promotion such as this.

Online Slots Casino Bonus Codes

Bonus codes are used to distinguish offers from each other – like a no-deposit bonus for new customers or a special online slot machine bonus. Online casinos can also use these codes to determine where a new player has been referred from, and as such, partners can stand to profit from the referral. Many online slots bonus codes have the intention of enticing players to the newest slot sites, but some are incentives for existing players. They can unlock the best bonus slots casinos have to offer.

Bonuses for Specific Payment Methods

All welcome bonuses can be used to play online slot machines, which means it’s rare to find additional offers for this type of game. However, it’s possible to find promotions related specifically to the type of payment method you are using. New payment methods are springing up all over the place, and online casinos are keen to get on the bandwagon to ensure making deposits is as easy for you as possible. Offering an online slots bonus for depositing using a certain payment method is a novel way to encourage your participation. For instance, 888casino offers bonuses for paying with PayPal.

No-Deposit Casino Bonuses

A no-deposit bonus gives you the chance to sign up with an online casino and start playing without depositing money. It’s a great way to get your foot in the door and test out the slots games on offer. This tends to be the best slots welcome bonus you will find, and it’s often a deciding factor when a punter decides to join an online casino.

There are plenty of generous offers out there to choose from, but it’s important to consider the finer details when assessing which no-deposit bonus suits you best. Sometimes the offer doesn’t take the form of real cash, and you may have to wager a minimum amount of times in order to access the money.

Free Spins for Slots Games

No-deposit free spins enable you to play for free after signing up at an online casino. You can play immediately and in order to get your hands on your winnings you may need to match the minimum wagering requirements. Some casinos take a different approach by requiring you to make a deposit before getting your free spins. In this instance, the amount of free spins on offer may be determined by the amount you deposit. Wagering requirements will apply.

Wagering Requirements

Most slots signup bonuses – such as the types on this detailed list on Wikipedia – don’t mention the wagering requirements until you get down to the small print. Keep an eye out for this because it is very common. You will normally only unlock the stated bonus – and the winnings made with the cash– once you have wagered a specified amount of times. If you are told the wagering requirements are 20, and the bonus is £50, you have to wager 20 x £50 = £1000 before you can get your hands on your winnings. Additionally, some casinos insist that you must wager the combined total of the amount and the amount you deposited.

Wagering requirements also tend to apply to free spins. For example, if you win £100 using free spins, a wagering requirement of 30 dictates that you have to wager £100 at least 30 times before being allowed to withdraw your prize. You should always read the terms and conditions to avoid a misunderstanding.

Declining the Bonus Offer

The terms and conditions associated with online casino bonuses are enough to scare some people off. The advantage of playing without a bonus is that you can withdraw your winnings at any time, instead of complying with a wagering requirement you may never meet.

If you are keen to play without the online slot machine bonus then we’d advise you to contact the casino’s customer services before signing up and making a deposit. This is because some welcome bonuses are automatically credited to your account. Most of the time they are not, and in such cases, you simply have to uncheck a box when signing up.

Online Slots FAQ

What are the best slots to play?

When it comes to choosing the best slots, the decision is entirely up to you. Some people prefer to play slots with fantastic graphics and animations. Then there are bonus features, including free spins, expanding wilds, and multipliers to choose from. As for reel mechanics, most players prefer Megaways, Cluster Pays, or Infinity Reels, while others may prefer classic 3-reel slots.

Can I really win playing online slots?

Yes. Licenced online casinos undergo algorithm and software security tests. The tests guarantee all casino games are fair and random. Moreover, the best slots developers like Pragmatic Play, Wazdan, Microgaming, Playtech and others will hold licensing from multiple iGaming licensing authorities.

How do I withdraw when I when win?

If you play at a reputable and licenced online casino, you will have no issues withdrawing your winnings. Be sure to read the T&Cs before playing so that you avoid breaking any rules – especially when playing bonuses.

Which slots have the highest chance of winning?

Casino games that offer the highest chance of winning come with a high theoretical RTP. RTP tells you how much the game will pay out over an extended period. The best slots have an average RTP of 96%.

Do I need to download an app to play the best slots online?

You can access and play casino games via a web browser like Chrome or Safari on your desktop computer, smartphone, or tablet. However, you can also play via a downloadable casino app at some casinos.