Slots Bonuses for UK (up to £3000, including buy bonus rounds)

One of the most beautiful aspects of online gambling is an opportunity to claim a range of lucrative slot bonuses. From Welcome First Deposit Offers to Free Spins and No-Deposit Bonuses, the online slots landscape in the UK is rife with opportunities to boost your online gaming experience. Let’s look what slot bonus offers and highlight some of the top options available for UK-based players.

The Best Bonuses for Playing Slots Online Today

Here’s a list of some of the top slot bonuses you can claim at these reputable online casinos:

Slot SitesBonuses
Griffonget £100 deposit bonus + 200 free spins
Bet UK Casino100% up to £100 new customer welcome bonus + 50 free games
SlotNite£100 match bonus + top slots Dead or Wild, Crazy Times slots
Slots Heaven100% on first deposit + 200 free spins
LuckyMe Slotsget 100 FS
Bet365 Casinodeposit £10 play slots with up to £50 bonus, code 365GMBLR
Coralup to £50 + free spins
Rialto100 Free Spins or up to £100 match bonus – Use code RIALTOGMBLR
Chit Chat Bingoup to £50 bingo bonus and 150 free spins

What are the best slot bonuses you can claim at UK sites? The Vic casino, bet365, SpinRio, Betrfred and new Jaak Slots have offers for slot players ranging from deposit bonus to free no wager deals. You can even buy extra spins and bonus rounds when playing certain slots (try Dead or Alive 2). Here is the complete list of the best recommended slot bonus offers for 2023.

The best slots where you can buy bonus rounds are:

  1. Dead or Alive 2
    • Software: NetEnt
    • RTP: 96.82%
    • Betting Range: £0.09 – £18
    • Notable Features: Wild West theme, high volatility, free spins, multipliers
  2. Money Train
    • Software: Relax Gaming
    • RTP: 96.20%
    • Betting Range: £0.10 – £50
    • Notable Features: Generous payouts, stacked symbols, multipliers, quick spin option
  3. San Quentin
    • Software: Nolimit City
    • RTP: 96.03%
    • Betting Range: £0.20 – £32
    • Notable Features: Prison-themed, super high volatility, jumping wilds, split wilds
  4. Ramses Revenge
    • Software: Relax Gaming
    • RTP: 96.15%
    • Betting Range: £0.10 – £20
    • Notable Features: Egyptian theme, increasing multipliers, 4096 paylines, wild mummies
Best Slot Bonus for UK
Best Slot Bonus for UK (Rialto casino): Get 200 FS and £300. Code: RIALTOGMBLR. T&Cs apply, 2023.

Get up to £3000 in Bonuses to Play Slots

Slot Casinos
  • Magic Red Casino
    5.0 rating based on 1 rating
    Magic Red Casino Bonus: Spend 10, Get 100 Free Spins on Big Bass Bonanza

    New Players Only. 100 Spins on Big Bass Bonanza game Only. No wagering required. Min. Deposit £10. £10 Max. Bonus. Offer valid for 24 hrs. Terms and Conditions Apply.

    Read Magic Red Casino Review
  • Rialto Casino
    5.0 rating based on 1 rating
    Rialto Casino: 100% match bonus up to £300 + 200 free spins for slots
    Welcome bonus package on first 3 deposits 1st Dep. Min £20. USE CODE RIALTOGBMLR. Max bonus £100. 40x wagering (bonus & deposit). max bonus to cash 5x. Free Spins: 50 Free spins. 25x wagering. Max bonus to cash £25. Claim once. See full T&Cs for 2nd & full T&Cs for 3rd Deposit offers. Full T&Cs apply.
    Read Rialto Casino Review
  • Buzz Casino
    5.0 rating based on 1 rating
    New Buzz Casino: Get 200 Free Spins Bonus

    Great new casino. New players only. Deposit & stake £10 on slots get 200 x 10p Fire Blaze™ Blue Wizard Megaways™ spins (x20 WR). Full T&Cs apply.

    Read Buzz Casino Review
  • Spin Rio
    4.8 rating based on 1 rating
    Spin Rio Casino: Get up to £200 + 100 Free Spins

    New depositing UK players only. Min. deposit £10. max bonus of £200 in 3 deposits, valid 21 days, on selected slots; 35x wagering on the sum of deposit & bonus applies.  Country Restrictions and Full T&Cs apply. Code: BGRIO

    Read Spin Rio Review
  • Spin And Win Casino
    4.8 rating based on 1 rating
    Spin & Win Casino £250 Deposit Bonus + 100 Spins. Use code SPINGMBLR

    1st dep offer Code SPINGMBLR. Minimum 1st dep of £10 to get £100% up to £250 on selected match slots & 100 Free Spins (FS) on Blueprint slots at 0.20P. Deposit Bonus Playable on selected Slots. 40x wagering requirement (Dep + Bonus) & MCR x5 for Bonus. FS and FS winnings are playable on Blueprint slots only, FS: 50xWR & Max win £50. Full T&Cs apply.


    Read Spin And Win Casino Review
  • The Vic Casino
    4.9 rating based on 1 rating
    New Vic Casino Bonus: up to £200 + 100 free spins. Use code VICGMBLR
    New players only. Code VICGBMLR required on a minimum deposit of £20 for up to £100 bonus + max 20 Free Spins valid for 7 days. Bonus playable on *selected slots*. Wagering requirements on bonus is 50x (deposit+bonus), max convertible rate from bonus is 5x. Free spins & winnings playable selected *Lady’s Charm Deluxe*, wagering requirements on free spins is 35x, maximum convertible amount from free spins is £30. 18+ only. Valid until further notice. Full T&C’s apply.
    Read The Vic Casino Review
  • 10bet
    4.9 rating based on 1 rating
    10bet Casino Offer: 50 % of up to £250 Bonus

    Use code CASINO10 upon deposit (no Skrill/Neteller); Wager bonus 50x to release bonus winnings; Valid 30 days; Stake contribution and payment method exclusions apply; T&C apply

    Read 10bet Review
  • Mr Play
    4.9 rating based on 1 rating
    Mr Play Casino Bonus: Get 100 Free Spins + £200 Deposit Bonus

    Only UK players. After first deposit made, customers will get + 20 Spin for the next 4 days: 1st day after First Deposit: 20 Spins of Finn and the Swirly Spin 2nd day after First Deposit: 20 Spins of Book of Dead 3rd day after First Deposit: 20 Spins of VIP Black 4th day after First Deposit: 20 Spins of Aloha! Cluster Pays Winnings won with spins that require deposit, have to be wagered 35x. Bonuses that require deposit, have to be wagered 35x.

    Read Mr Play Review
  • Grosvenor
    5.0 rating based on 1 rating
    Grosvenor Casinos Bonus: Deposit £20, Play with £50

    New customers only. Min deposit £20. Max bonus £30, bonus amount non-withdrawable, playable on selected games only. 30x wagering for £30 bonus. Expires within 30 days. Max Win £2,000. Full T&Cs apply.

    Read Grosvenor Review
  • Bet365
    5.0 rating based on 1 rating
    Bet365 Casino: Stake £10, Get 50 Bonus Spins. Promo Code “365GMBLR”

    The Bet365 sign up code is 365GMBLR . New customers only. Min deposit £10. Bet Credits available for use upon settlement of bets to value of qualifying deposit. Min odds, bet and payment method exclusions apply. Returns exclude Bet Credits stake. Time limits and T&Cs apply. The bonus code 365GMBLR can be used during registration, but does not change the offer amount in any way.

    Read Bet365 Review
  • WinOMania
    4.4 rating based on 1 rating
    WinOmania Casino: Get 100 Free Spins + up to £100 Match Bonus

    New UK players. 1st deposit only. Min deposit £10. Max bet with bonus £2. Max bonus £100. x40 wagering. Bonus spins valid for selected games only. x40 wagering on free spin winnings. Expire within 24 hours. User Agreement & T&C apply.

    Read WinOMania Review
  • VegasLand
    4.7 rating based on 1 rating
    VegasLand Casino Bonus: up to £200 Deposit Match + 100 Free Spins

    Applies only to new depositing players. Min. deposit £10 Max bonus: £200, Min wagering 35x, Spins expire in 24hr. offer is available to players residing in United Kingdom only.

    Read VegasLand Review
  • Lucky VIP
    4.9 rating based on 1 rating
    LuckyVip Casino: up to £100 Bonus + £7 on Live Casino. Use code: LVGMBLR

    Minimum 1st dep of £20 to get £100% up to £100 on selected match slots; 40x wagering requirement (Dep + Bonus) & MCR x5 for Bonus + Guaranteed Live bonus wheel up to £7. Live Bonus and Live Bonus Winnings are playable on selected Live Games. 20x WR, convertible to real cash x5 bonus amount. Full T&C’s apply.

    Read Lucky VIP Review
  • Betway
    4.8 rating based on 1 rating
    Betway Casino Bonus: 125 Free NO Wager Spins

    New UK customers only. 125 free spins on Big Bass Bonanza (£0.10 per spin) credited after successful £10 deposit and £10 stake on Casino, Vegas or Live Casino. No wagering requirements on free spin winnings. Debit Card deposit only (exclusions apply). This offer is valid 7 days from the new account being registered. Bet the Responsible Way. Full terms apply.

    Read Betway Review
  • Betfred
    5.0 rating based on 1 rating
    Betfred Casino Offer: Stake £10, Get 200 Wager-Free Spins

    New Casino customers only. £10 min transfer & stake on Casino slots within 7 days. Max bonus 200 Free Spins on selected games with no wagering requirements. Free Spins expire after 7 days. iOS app restrictions may apply. E-Wallet & Pre-Paid card restrictions apply. SMS validation may apply.

    Read Betfred Review
  • Magical Vegas Casino
    4.8 rating based on 1 rating
    Magical Vegas: 100% Match up to £300 + 60 Free Spins. Bonus Code: MVCGMBLR

    1st dep offer Code MVCGMBLR: 100% Bonus up to £300 on selected slots 60 Free spins playable on Pragmatic Play Slots only, min deps £20, claimable once. 50x wagering on the sum of deposit + bonus applies. Max convertible 5x bonus amount received. Valid until further notice. Full T&C’s Apply.

    Read Magical Vegas Casino Review
  • Regal Wins
    4.7 rating based on 1 rating
    Regal Wins Offer: up to £500 Bonus. Use code REGALBONUS

    Terms: 1st dep. of £20-£500, max bonus £500 on selected slots; 50x wagering on the sum of deposit & bonus applies. Max convertible 5x bonus amount received. Country Restrictions and Full T&Cs Apply.

    Read Regal Wins Review
  • Kitty Bingo
    4.3 rating based on 1 rating
    Kitty Bingo: 200% Bingo bonus up to £20 + 25 Free Spins. Use code: KITTYGMBLR
    New players only, must enter code KITTYGMBLR on the promo tab. Select “Welcome Offer – 200% Bingo bonus up to £20 + 25 Free Spins on Fishin Frenzy: The Big Catch – Min Dep £10” offer in the cashier, Claimable once. Both offers are valid for 7days after being claimed, Bingo bonus carries 3x WR & Free Spins carries 25x WR, 5x MCR. Full T&Cs apply.
    Read Kitty Bingo Review
  • Kaiser Slots
    4.6 rating based on 1 rating
    Kaiser Slots Bonus: 100 Free Spins on Starburst with £10 deposit

    New UK Players Only. Minimum Deposit: £10. Maximum Offer: 100% Bonus up to £50 & 100 Spins on Starburst with promo code: 100SPINS. Bonus & Spins winnings must be wagered 35x before withdrawal. Spins expire after 5 days.  Withdrawal terms apply. Full terms apply.


    Read Kaiser Slots Review
Slot Games With Bonus in UK
Winomania is a top online slot site with a good welcome bonus offer for new UK players. Get 100 free spins. Terms apply.

Here’s a quick summary of the top 20 best slot bonuses along with the total bonus amount that you can claim at UK online casinos:

  1. Magic Red Casino: 110 Free Spins
  2. Rialto Casino: 100% match up to £300 + 200 Free Spins
  3. Spin Rio Casino: 100% match up to £200 + 100 Free Spins
  4. WinOMania Casino: 100% match up to £100 + 100 Free Spins
  5. The Vic Casino: 100% match up to £200 + 100 Free Spins
  6. 10Bet Casino: 50% match up to £100 + 50 Free Spins
  7. Bet365 Casino: Stake £10, Get 50 Bonus Spins
  8. Spin & Win Casino: 100% match up to £500
  9. Buzz Casino: 200 Free Spins Bonus
  10. Mr Play Casino: 100% match up to £200 + 100 Free Spins
  11. VegasLand Casino: 100% match up to £200 + 100 Free Spins
  12. Grosvenor Casinos: Deposit £20, Play with £50
  13. LuckyVip Casino: 100% match up to £100 + £7 on Live Casino
  14. Magical Vegas Casino: 100% match up to £300
  15. Regal Wins Casino: 100% match up to £500
  16. Kaiser Slots: 100 Free Spins on Starburst with £10 deposit
  17. Betfred Casino: Stake £10, Get 200 Wager-Free Spins
  18. Griffon Casino: Up to 200 Free Spins
  19. Betway Casino: 100 Free NO Wager Spins
  20. Kitty Bingo: 200% Bingo bonus up to £20 + 25 Free Spins

The total bonus amount you can claim, considering only the deposit match offers, is £3000, while the total number of free spins you can claim is 1585 (including wager-free spins and bonus spins).

There is generally an extensive selection of UK online slots at some of the best gambling platforms. These simple games often present features such as extra spins and bonus rounds, with many different themes. Try Spin and Win casino and play Novomatic games like Book of Ra or NetEnt video slots like Starburst with free spins bonus games, or register for a Betregal casino account and get access to one of the most extensive collections of real money online slots, including progressive jackpot games like Mega Moolah.

The gaming operators with online slot games offer special bonuses like free spins. To claim a signup bonus for online slots, you must open an account with one of the top-rated casinos and make the first deposit. You’ll receive some promotional spins (a real money bonus) to play on selected slot games of your choice. Online casino Virgin Games offers 30 spins for selected slots to get you started. If you win any money, you’ll have to wager it several times before it is released.

  • Mr Green Slots Welcome Bonus: Get 50 Spins on a Lucky Mr Green slot. Yes, Mr Green casino offers UK customers a 100% deposit match. In addition, you can get 50 free games on selected games. The wagering requirement is 35x, and there is a maximum spin value of £0.20. Read MrGreen review and get free spins sign-up bonus for your favourite online slots.
  • NetBet Casino Free Spins Bonus: The famous NetBet Casino offers up to 500 free spins when you open your account. You start with 50 spins on making your first deposit. You’ll then receive 450 free spins spread over the following six days.
  • Spin Slots, a good site with fast payouts and new videoslots, offer a 50 FS bonus and a deposit match.

New Player Slot Bonus at Grosvenor

Grab some free funds as a new player when you redeem the latest Grosvenor Casino welcome bonus. When you deposit £20 or more to an account, there will be a 100% match offer for up to £20. You will then be able to choose a £10 bonus for classic slots or the live casino. These offers provide a great way to start spinning the reels on top-rated slot games. Grosvenor also offers bonuses for returning players, so watch for reload offers and free spins!

The Vic Casino Slots Bonus

At the Vic Casino, you can take advantage of a great welcome bonus to get started. Once you have registered for an account, you must enter the provided bonus code and make a deposit between £10 and £100. That deposit amount will be matched by 100% and you can instantly start using bonus funds to play leading slot selections. The wagering requirement of 50x must be satisfied within 7 days.

Bonus at bet365 Games

Getting started at bet365 Games is safe and straightforward and new members can benefit from a welcome bonus to use on leading slot selections. The website offers a match bonus when making the first deposit. There is a 100% match that can add as much as £100 to your account. The bonus funds can be used to play slots and start earning payouts. A minimum deposit of £10 and a 15x wagering requirement are in place. 

Bonus at Mr Play Slots

The current welcome bonus featured at Mr Play provides a great way to get started playing real money slots. The casino welcomes players with a 100% match bonus that can add as much as 200 to an account. In addition to the match bonus, you will receive 20 free spins on the first deposit. Over the next two days, another 80 spins will be available after making qualifying deposits.

Genting Casino Games Offer

When you create an account with the Genting Casino, you will be eligible for the latest welcome bonus to use on slots. With this, you can use free funds to start playing the most exciting slot selections online. When you make the first deposit of £10 or more, a 100% match bonus is applied. This can offer up to £50 in free funds to use on top games. There is also an offer for 132 free spins to play in Big Bass Bonanza that can be claimed with your first deposit of £10 or more. 

Betfred Slot Bonus

Want to start playing the most exciting slots using bonus funds? At Betfred casino, there is a great welcome bonus for any new player making an initial deposit. To take advantage of the offer, you must deposit £10 to a new account. You then have to stake that amount on at least 5 slot games. Once this is done, Betfred will credit you with a bonus of 200 wager-free spins on selected slot games with good payout rates.

Want more bonuses and slots? Check out this page about the latest offers for casino sites

Unwrapping the Slot Bonus Package

When you visit an online casino with slots, the first thing you’re likely to notice is the attractive welcome bonus. These incentives are designed to draw new players and give them an initial boost. The majority of these bonuses include a match on your first deposit, with some even extending this offer across several deposits. In addition, they often come bundled with free spins on selected games.

Griffon Casino, for example, tempts new players with a £100 deposit bonus coupled with 200 free spins. Bet UK Casino offers a 100% match up to £100 and sweetens the deal with 50 free games. SlotNite isn’t far behind, presenting a £100 match bonus and featuring popular games like Dead or Wild and Crazy Times slots. The competition is fierce, with every casino striving to provide the most attractive package.

Get Free Spins Bonus For Slots

Free spins are an integral part of slot bonuses, enabling you to spin the reels at no cost and providing a chance to win real money. In the UK online casino scene, free spins are typically bundled with welcome bonuses or offered as standalone promotions. Slots Heaven, for instance, offers a 100% bonus on your first deposit accompanied by a whopping 200 free spins.

Bet365 Casino has an enticing deal: deposit £10, and you could play slots with up to a £50 bonus, using the code 365GMBLRC. The popular Rialto Casino extends a choice between 100 Free Spins or a £100 match bonus. Simply use the code RIALTOGMBLR to avail of this offer.

Deposit Bonuses: The Slot Boost

Deposit bonuses are another popular type of slot bonus in the UK. The concept is simple: deposit a specific amount and receive a bonus based on that amount. The bonus usually comes in the form of a percentage match of your deposit. Here are a few examples:

  • MrPlay Casino: Provides 20 free spins as a welcome bonus plus an additional 80 spins spread over the next two days.
  • bet365: Play slots with 50 free spin credits. Bonus Code: 365GMBLR. T&C apply.
  • Spin & Win Casino: Offers 100 Free Spins on your first deposit.
  • Paddy Power: Provides 100 Free Spins on Jackpot Slots using the promo code PGCTV1.
  • Betvictor Casino: Allows you to wager £10 and play with a £30 bonus, plus 100 Free Spins.
  • Captain Spins: Gives 520 free spins spread over the first four deposits.

No Deposit Bonuses: A Free Roll of the Dice

A no-deposit bonus is exactly what it sounds like: a bonus that you can claim without having to deposit any money. They are less common but highly sought after. Here are three casinos that offer such bonuses:

  • 888 Casino: Offers £88 no deposit bonus on sign-up.
  • Jackpot Village Slots: Provides 200 no deposit bonus spins.
  • 777 Casino: Offers a no deposit bonus for new slots.
  • Dr.Slot, is one of the best low wager casinos, offer a good 20 No Deposit Free Spins for slot players

Wagering Requirements: A Necessary Step

While casino bonuses can be very generous, they usually come with wagering requirements. These requirements specify how much you need to bet to withdraw the bonus and the winnings gained from it. Therefore, it’s essential to read the terms and conditions carefully before opting in for any bonus.

Slots Bonus Contribution Rates: Most online slots’ welcome bonuses carry different contribution rates for slots. In most cases, 100% of your online slots play will contribute toward a casino bonus. However, big-paying slots like progressives will usually be exempt. In addition, the casino may exclude slots with high RTPs (Return to Player Percentage).

Selected Slot Bonus Offers

Slots CasinoBonusOffer Terms
Captain SpinsBest Offer: 520 FREE SPINSbonus spins over 4 deposits, 35x wr
bet365 Casino50 Free Spins Bonus (NetEnt slots)Use code: 365GMBLR, min dep is £10
RialtoGet 200 FS (Code: RIALTOGMBLR)min deposit £20, x25 wr
Griffon Slotsup to 200 Free spinsmin dep £20, play through x35, 3 deposits
BetFred SlotsGet 200 Free SpinsNo Wagering Requirements, Min deposit £10
Coral Online Casino100 Free spinsx 40 wager, min dep £20

Do you want to find the best sites to play slots online? We reviewed and tested many gambling sites in the UK for places to find the top casinos offering great titles, from classic games to the latest video slots with high RTP payouts. In our rating, the best slot sites for UK real money gambling include SpinRio, bet365, the Vic slots, Rialto, Lucky VIP and Grosvenor sites.

New Slot Bonuses 2023

  • Pub Casino Slots: 100 spins
  • Jaak Casino, get new player bonus on first real money deposit
  • bet365 Slots – best offer, get 100 in bonus spins
  • New Winomania bonus: get 100

In 2023, online casinos continue to attract new players with compelling bonuses, many of which are centered on slot games. Pub Casino Slots, for instance, is offering 100 spins as a welcoming gesture. Jaak Casino, meanwhile, has set up a unique first real money deposit bonus for new players. bet365 Slots and Winomania also extend their generosity with 100 bonus spins and a £100 bonus respectively.

Additionally, VegasLand Casino and both have attractive bonuses up to £200 deposit match plus 100 free spins for new depositing players, promising a fantastic kick-off experience. Lucky VIP Casino is rewarding new players with up to £100 bonus, plus an additional £7 for live casino. Be sure to use the code ‘LVGMBLR’ to claim this.

21 LuckyBet Casino and Play Luck also come with enticing bonuses. The former offers a £200 deposit match plus 20 free spins, while the latter provides a £100 bonus plus 150 free games. Both of these offers, however, come with their own wagering requirements.

Vegas Spins Casino is taking a unique approach by offering new players the chance to win up to 777 free spins. In contrast, Hopa Casino offers a comprehensive package, split over three deposits, culminating in a potential total of £500 plus 100 free spins.

Furthermore, Casumo has set up a £100 deposit match and 20 bonus spins, and Griffon Casino entices newbies with up to 200 free spins. Please remember, all these bonuses have their own specific terms and conditions, and it is essential to read and understand these before playing. And always remember, BeGambleAware.

You may also want to see the latest casino promo codes or play Book of Dead with free spins or Bonanza slot at the UK’s best new online casinos.

Slots Bonus Deal FAQs

How do I claim a signup bonus for online slots?

To claim a signup bonus for online slots, you need to open an account with one of the top-rated casinos and make the first deposit.

What are the wagering requirements?

Wagering requirements are the amount you must gamble to release free cash and bonus funds. For instance, if you’ve won £100 playing free spins, and the slot’s bonus terms are listed as 30x, you must gamble 30 x £100 (£3,000) to release your winnings of £100.

What is a slots bonus contribution rate?

Most online slots’ welcome bonuses carry different contribution rates for slots. In most cases, 100% of your online slots play will contribute toward a casino bonus.

What are the best UK casino slot bonuses in 2023?

Rialto Casino offers 600+ slot games with a 100% match bonus up to £300 and 200 free spins (code: RIALTOGMBLR). Try Spin Rio Casino where you can find fruit slots and progressive videoslots with up to £200 and 100 Free Spins bonus.

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