Best Online Slots Bonus UK

Get the UK's biggest deposit bonuses to play slots! Each casino welcome bonus triggers on deposit!
18+ only. Terms and conditions apply. Click Play Now for more details
Dream Vegas Casino
2

200% first deposit bonus up to £2500 + 50 Extra Spins

New players only. One bonus offer per player. Minimum deposit £20 Max bonus bet is £5 Bonus spins on selected games only and must be used within 72 hours. Bonus funds must be used within 30 days otherwise any unused bonus shall be removed. Bonus funds are 200% match up to £2,500 on your 1st deposit, 40% match up to £3,000 on your 2nd deposit, and 60% match up to £1,500 on your 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus, cash & bonus spins. Terms apply. BeGambleAware

Vegas Hero Casino
3

100% First Deposit Bonus up to £200 + 50 Extra Spins!

18+ Full T&C's Apply. New players Only. £10 minimum deposit. 40 x wagering applies. Bonus valid for 14 days. Minimum £5 wager required to activate 50 Free Spins. 10 Free Spins will be credited per day for 5 days after qualifying deposit/wager is met. Free Spins valid for 72 hours from credit - www.begambleaware.org

Casimba Casino
4

200% Welcome Bonus up to £5000 + 50 Extra Spins!

18+. New players only. 1 bonus offer per player. Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Bonus funds expire in 30 days, unused bonus funds will be removed. Bonus funds are 200% match up to £5000 on your 1st deposit, 50% match up to £1000 on your 2nd deposit, and 75% match up to £500 on your 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus, cash & bonus spins. Terms apply. BeGambleAware.

bCasino
6

100% Welcome Bonus up to £500 + 50 Extra Spins!

New players only. £20 deposit minimums. Bonus split over first 3 deposits: 1st - 100% bonus up to £500 + 50 free spins; 2nd - 50% bonus up to £200; 3rd - 125% bonus up to £500 + 50 free spins. BONUS: 30X wagering deposit + bonus. £5000 max winnings. FREE SPINS: Book of the Dead only. Winnings given as bonus funds. 25X wagering. £100 max winning

Genesis Casino
9

100% First Deposit Bonus up to £100 + 300 Extra Spins!

New players Only. £10 minimum deposit. 40 x wagering applies. Bonus valid for 14 days. Minimum £5 wager required to activate 300 Free Spins. 30 Free Spins will be credited per day for 10 days after qualifying deposit/wager is met. Free Spins valid for 72 hours from credit

Casino Big Apple
11

£1200 Bonus + 21 Extra Spins on Sign Up!

New Players Only. Wagering occurs from real balance first. 50x wagering the bonus or any winnings generated from free spins, contribution may vary per game. The wagering requirement is calculated on bonus bets only. Bonus is valid for 30 Days/ free spins valid for 7 days from issue. Max conversion: 5 times the bonus amount or from free spins: $/£/€ 2

888 Casino
12

£88 Free No Deposit Needed + Up to £1500 Welcome Bonus!

No Deposit Offer: New players only. £88 is granted in FreePlay (FP). FP must be claimed within 48 hrs of receiving the email and expires after 14 days. FP wins are credited as bonus and capped at £15, exc. JP win. Welcome Bonus Package: £20 min deposit. 1st deposit immediate 100% up to £100 bonus. 2nd -5th deposits must be done and wagered 3 times within 7 days of the 1st deposit, to receive 30% up to £350 bonus per deposit. Bonus wins are capped at £500. To withdraw bonus & related wins, wager 30 x (bonus amount) within 90 days. Wagering req. vary by game. This offer may not be combined with any other offer. Withdrawal restrictions & full T&Cs apply

Spinit Casino
14

100% Welcome Bonus up to £200 + 200 Extra Spins!

New players Only. £10 minimum deposit. 40 x wagering applies. Bonus valid for 14 days. Minimum £5 wager required to activate 200 Free Spins. 20 Free Spins will be credited per day for 10 days after qualifying deposit/wager is met. Free Spins valid for 72 hours from credit.

Grand Ivy Casino
16

£1500 Welcome Bonus + 100 Extra Spins!

18+. New players only. One bonus offer per player. Minimum deposit £20. Max bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Bonus funds must be used within 30 days otherwise any unused bonus shall be removed. Bonus funds are 100% match up to £300 on your 1st deposit, 25% match up to £800 on your 2nd deposit, and 50% match up to £400 on your 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus, cash & bonus spins. Terms apply. BeGambleAware.

Gate 777 Casino
17

100% Welcome Bonus up to £100 + 25 Extra Spins!

18+.New players ONLY. First deposit only. Min deposit £20. Max bet £5 while Welcome Bonus is in play. 35x wagering requirement. Upon 1st Deposit - 100% bonus up to £100 + 25 Extra Spins on any NetEnt game. Offer may not be combined with other offers. Deposits made by Skrill or Neteller are not eligible. Game weighting, time limitations & full T&C’s apply. Begambleaware

ShadowBet Casino
24

100% First Deposit Bonus up to £100 + 200 Extra Spins!

New players only, min deposit £10, 1st deposit: 100% bonus up to £100 & 20 Free Spins daily for 10 days in a row, first deposit + bonus funds must be wagered 35x (game weighting applies). Max. bet while playing with bonus £6. Neteller and Skrill deposits excluded from offer. Game weighting and T&Cs apply.

Royal Panda Casino
28

100% Welcome Bonus worth up to £100 + 10 Extra Spins!

18+, first deposit only, T&Cs apply. Casino bonus: min. £10, max. £100. Bonus/free spins winnings wagering requirement: x35. Max. bonus bet: £5, can vary. Free sports bet: Minimum deposit and stake £20 (min odds 2.0). Credited after all qualifying bets settled.

Mansion Casino
34

EXCLUSIVE: Up to 10% Cashback + £500 Welcome Package!

18+ Deposit Bonus, new customers only. Tiered bonus on first four deposits. Min. £10 deposit. 35x wagering before bonus or free spin winnings are withdrawable. £5 max bonus bet. Free spins on pre-selected games and subject to change. Free spins must be used within 3 days. See site for full T&Cs. www.begambleaware.org

Leo Vegas Casino
36

20 Spins on Sign Up + 100% First Deposit Bonus up to £300 + 30 Bonus Spins!

18+ New players. No deposit spins: Registration required. Welcome offer:100% up to £300 + 30 spins Starburst or BerryBurst Max. £5 min. wager to activate deposit spins- all spins expire 3 days from claiming. 35X wagering before bonus or winnings can be withdrawn. £5 max. stake using bonus. Skrill, Neteller deposits excluded from offer. Eligibility restrictions apply. Click for full terms. Please play responsibly - begambleaware.org

ComeOn! Casino
40

20 Extra Spins No Deposit Required + £25 Welcome Bonus!

1. New UK 18+ customers only. 2. 20 Free Spins on Starburst awarded to new registered customers. 3. There are no deposit requirements 4. 30 x wagering applies to any winnings from Free Spins before you can withdraw. 4. Max. payout £100. 5. Free Spins must be claimed within 7 days of registration.

Guide to Finding the Best Slot Deposit Bonuses 2018

You may have heard the old saying "if something sounds too good to be true, then it usually is." It’s the kind of thing that wise people of a certain vintage say to the reckless younger generation in an attempt to get them to perform their own acts of due diligence prior to doing something daft. There is one field in which you can rest assured that, yes, while it does sound too good to be true, it actually is legitimate – and that is casino welcome bonuses. You’ve probably seen these advertised on your travels around the web; some free cash here, some free spins there. But what does it all mean?

This guide to casino deposit bonuses available to UK gamers in 2018 aims to find out. Online slots sites are happy to offer exclusive deals and promotions to welcome new customers, and so the relationship is a genuine win-win. They get a new player to promote their products and services to, and you benefit from a golden hello – whether that be a slot deposit bonus, free spins, cashback or any other goodies. So let’s crack on and find out a little more about deposit bonus slots, and the best places to find them!

What to Know About Deposit Bonuses for Online Slots

A casino welcome bonus is the reason many players will sign up to a new site, and then it is up to the slot site itself to keep its customers happy with a great range of games, an easy-to-use website/app and of course more slot deposit bonus opportunities further down the line. This slots deposit bonus will usually take the form of a percentage payout on your deposit. So for instance, if a casino site advertises a 100% casino deposit bonus and you choose to add £50 to your account, then your chosen casino will hand you £50.

There are certain hoops to jump through, though, i.e. wagering requirements which determine how much you must stake before any bonus winnings can be withdrawn, but that is to be expected. As the saying goes, you very rarely get a free lunch in life? Deposit bonus slots are widely available in 2018, with pretty much any casino – no matter how big or small – offering welcome bonus slots amongst other things. It’s a highly competitive industry, and that is great news for you.

A key thing to note is that many – but not all – welcome bonus slots come with their own unique wagering requirements. These bonus requirements, in layman’s terms, concern the amount of money you will need to stake to ‘clear’ the wagering mark and thus withdraw any winnings that you accrued whilst playing the deposit bonus slots. The level of wagering requirements in place differs from game to game and casino to casino, so it really does make sense to read the fineprint prior to signing up for a new player account.

There is nothing worse than going through the process and then realising that your favourite slots or casino games have ridiculously small hoops to jump through. But that’s not to put a dampener on the whole experience: many casinos are more generous as far as their bonus requirements are concerned these days, and some require no wagering whatsoever; a unique selling point indeed. So make sure you do your homework regarding your slot deposit bonus before parting with any cash.

What Slot Games Have Deposit Bonuses?

So which are the best welcome bonus slots currently available in 2018? That’s a great question because all gamers have their own loves and pet hates when it comes to slot games. So we’ve derived the list below from the most popular and most played games on the planet and where you can find a deposit bonus for them. The online slots listed as ‘the best’ are there because of their fantastic gameplay, the generosity of their payouts and the quality of their bonuses and special features:

  • Gonzo’s Quest
  • Jimi Hendrix
  • Starburst
  • The Winnings of Oz
  • Guns ‘N Roses
  • South Park
  • Jack and the Beanstalk
  • Adventures in Wonderland
  • Hall of Gods

Finding Slot Welcome Bonuses in the UK

This is the easy part; sites like SlotSource are here to inform you of the best deposit bonus slots available in the UK in 2018! Our job is to look at the small print attached to any slot deposit bonus and inform our readers whether it is worth their time or not, so saving them the hassle. The best rule of thumb to remember regarding casino welcome bonuses is that ‘not all that glitters is gold’.

The terms may look agreeable – huge percentage bonuses, stacks of free spins etc – but when you factor in wagering requirements (more on those later) and the timeframes required to achieve them, just how generous is the bonus in real terms? Although this is ‘free cash’ at the end of the day, getting the right bonus from the right online casino will enhance your experience exponentially.

Creating an Account for Casino Deposit Bonuses

Creating an account with a casino is quick, easy and hassle-free, and all you need to hand over is some personal information, such as full address and bank details. Once your casino account is open you will have access to the casino deposit bonus or slot deposit bonus as promised. This will be paid into your account balance as soon as the platform has performed their basic checks. Here is the process in a nutshell:

  • Step 1: Choose your Casino.
  • Step 2: Click ‘Register’ or ‘Sign Up’.
  • Step 3: Fill in the relevant forms (quick and painless).
  • Step 4: Enter your payment details.
  • Step 5: Enjoy your slot sign-up bonus!

You may be asked to verify your account at some point. A small sum will be deposited to your chosen payment method, and you will then need to verify this as prescribed by the casino. Don’t worry; this is very easy to do! Every gaming site worth their salt offers some kind of casino welcome bonus, and while these vary in terms of the conditions of the offer or promotion, the key thing is to make sure you do your research first. So when a casino deposit bonus offers 50% up to £400, and another offers 100% up to £250, which is better?

A bit of basic mathematics reveals the latter, if you decide to deposit the maximum amount, and so reading between the lines and not just looking at those pound signs is key. There has never been a better time to enjoy deposit bonus slots because, as technology improves, so too do the capabilities available to game-makers. For UK players, this is the golden generation of slot gaming!

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