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Online slots bonus UK

By Joonas Karhu. Updated:

Bojoko helps you discover the best online slot bonuses. With slot bonuses, you can play a lot more than you could with just a deposit alone.

Playing at a casino is fun, but it's not cheap. Slots can have cold streaks, when you just can't seem to win. There's nothing worse than hitting one of those and just losing your deposit.

Slot bonuses are there to help you. You can play a lot longer with bonus money and try out more games.

On this page, you'll learn everything there is to know about slot bonuses and understand what makes a good slot bonus.

We help you find the best slot deposit bonuses

There are a ton of different bonuses with different terms and conditions for UK punters. Going through all of the UK-licensed online casinos will take ages.

Bojoko is here to fix that. We have built a selection tool that will help you find the perfect bonus for you. You can add your own filters or use the quick filters to find the:

  • Largest slot bonuses
  • No deposit slot bonuses
  • Low or no wagering bonuses

  1. 500%/£50
    1st deposit bonus
    BoyleSports Casino review »
    1st deposit bonus 500%/£50
    No deposit bonus -
    Number of slots 260
    Wagering requirements 40x (B)
    Bonus code -
    BoyleSports is a name that some of you may already be familiar with. A leading bookmaker hailing from Ireland with a national presence, they've e... BoyleSports Casino review »
    Play here » 18+. New UK and IRE customers only. Minimum deposit £10. Must complete cash wagering requirement in 48 hours. Players have 7 days (168 hours) to play with their bonus and to complete the wagering requirement. Wagering requirements: Bonus 40x. Game exemptions apply. Full and Bonus terms apply.
  2. 200%/£200 + 100 bonus spins
    1st deposit bonus
    LeoVegas casino review »
    1st deposit bonus 200%/£200 + 100 bonus spins
    No deposit bonus -
    Number of slots 1180
    Wagering requirements 35x (B)
    Bonus code -
    Get ready to meet the king of the Jungle at LeoVegas. Launched in 2012, LeoVegas has quickly taken the crown for a solid casino all around. The experience contin... LeoVegas casino review »
    Play here » New reg only. Opt in & deposit £10, £50 or £100 within 14 days & further 7 days to wager cash stakes 50x to unlock reward (up to £200 on first deposit). Wagering/game contributions vary. Up to 100 wager-free spins x10p will be added to Big Bass Splash with qualifying deposit. 3 day expiry. 18+. Full and Bonus terms apply.

best deposit bonus slots uk

Bojoko helps you find slot bonuses

On Bojoko, we want to help you understand bonuses, learn about their terms and then find the bonus that suits you. Whatever your preference is, our selection tool can help you find it.

We keep our bonus information up to date, so you can make an educated decision. In addition, you can read what other users and our experts have said about the sites and their bonus offers. Their first-hand exprience will help you.

One of the most important things we test on casinos is the withdrawal process. Our experts play with real money and verify that the casinos actually pay out, and do so without issues.


Find the best slot bonuses

Get a first deposit bonus to slots

Online slots deposit bonuses are the best way to get some extra money to play the games. Depending on the bonus percentage of the first deposit bonus to slots in the British online casino, you can multiply your original balance.

The best deposit bonus to slots gives you enough to play with and comes with reasonable terms. Check out the sections below to find the new casino you're looking for.

200% slots deposit bonus

Online slots bonuses

A 200% slots bonus gives you twice as much money in a bonus as you put in. In essence, a 200% welcome bonus to slots triples your casino balance.

Go back to the list above and apply the 200% slots bonus quick filter to get a 200% deposit bonus to slots in UK casinos.

500% slots deposit bonus

A 500% first deposit bonus to slots lets you play with six times the amount you deposited. In addition to your original deposit, you'll have a 500% deposit bonus for slots.

Understandably, when you play slots with a 500% bonus, the extra money comes with heavy wagering requirements. If you wish to maximise your chances of having something to withdraw, check out our low wagering casinos.

Slots bonus codes for slots promotions

Slots bonus codes give you an enhanced bonus compared to the one you'd normally get. Some casinos have all their bonuses tied to codes; others use them to provide exclusive casino offers via trusted partners like Bojoko.

Slots promotions and the best online slots offers are targeted to either new players or extended to existing customers as well. If you need slots promo codes to take up a specific offer, you can find them easily in the casino reviews.

Slots welcome bonus

Online casino welcome bonus packages give new players extra goodies on their first few deposits. The best online slots welcome bonus packages usually include bonuses for up to four first deposits and some spins for the most popular online slots. Take advantage of the best welcome bonus slots packages.

Enjoy slots with a no deposit bonus

A no deposit slots bonus lets you try the casino games without making a deposit. You'll get a good idea of the casino and a chance to win real money without risking any of your own. This kind of slot bonus can be found on many UK-licensed casinos and there's no deposit required.

Return to our list of slots bonuses and use the No deposit slot bonus quick filter to see UK casinos with no deposit slot bonuses.

£10 no deposit slot bonus

At the time of writing, there are only two casinos with a £10 no deposit slot bonus listed on Bojoko: 

We keep a close eye on the UK casino market and add any new no deposit slot bonuses on our list as soon as possible. Check back often and you'll be the first to know when there's another £10 no deposit slot bonus for UK players.

Sign up bonus slots

Sign up bonus is a no deposit casino bonus. You get a no deposit sign up bonus for slots when you create an account. Play sign up bonus slots with no deposit spins to sample the casino's offering and get a clear picture of whether it is a place worth your money.

Mobile slots with no deposit bonus

All new slots today are launched on mobile as well as on desktop. When new games are published, you can often play new mobile slots with a no deposit bonus in UK casinos. When you use a no deposit mobile slots bonus, you get to sample of what the mobile casinos have in store for you.

Play slots free spins

Free spins in slot games are the most common way for casinos to reward and incentivise players. You can get real money free spins for UK slots when you register to a new online casino, make a deposit or advance in the casino loyalty program. Choose your way to roll and get some online slots free spins from a casino.

In most cases, online casinos tend to offer free spins on NetEnt slots. Here are the top online slots that casinos are most likely to give away free spins bonus offers on:

Slots free spins - no deposit required

Get a taste of a new place to play and try free spins no deposit slots in UK casinos. When you accept online slots free spins with no deposit required, the terms and conditions are often quite strict. No wagering online casinos also hand out slots free spins, but you can keep what you win.

Return to our list of no deposit slot bonuses and apply the Free spins filter to get the biggest number of no deposit free spins on slots.

How to find slot bonus casinos

Find a slot bonus casino from our list

1. Find a slot bonus casino from our list

Here on Bojoko, we have a massive list of slot bonus casinos. You can use our ready-made filters to fine-tune your search or add personal filters to find the perfect casino for you.

Read the user and expert review

2. Read the user and expert review

After you choose a slot bonus casino, you can read what our experts and other users have said about it. Their personal experiences will help you see what it's like to play there.

Go to the casino

3. Go to the casino

There is a big green ‘PLAY HERE' button on every review page that takes you straight to the casino. If we have any special bonus offers, that button is the way to get them.

Claim your slot bonus

4. Claim your slot bonus

When you get to the casino, you start off by registering an account. Fill the required information and verify your email if asked. Then you can deposit and claim your bonus. Just make sure you have the bonus code ready if the casino uses one.

Find slot bonus casinos

Terms and conditions

All bonuses come with some terms and conditions. It is good to know at least the basics, so you don't have to deal with nasty surprises.

Reading the casino's whole T&C document is worth it, but we know people don't usually do this. That is why we have broken down the most important bonus terms on our bonus page and explained what are the things to look for.

Slots bonus and responsible gaming

Gambling is risky and as a player, you should learn and undestand those risks. Even though slot bonuses can feel like a gift, they are there for a reason. That is reason is to get you to play more.

Casinos know the fundamentals of gambling well. The more you play, the more likely it is that the casino wins. Casinos offer you gifts and bonuses to entice you to play more often. A little bonus goes a long way in getting someone to deposit money.

Gambling is a form of entertainment and should always be seen as such. Stay in control, play responsibly and never try to fix any financial problems with gambling.


Any bonus that can be used for playing online slots can be called slots bonus. Slots bonuses come in the shape of:

All of these suit different types of players. No deposit bonuses and free spins are perfect for players who are just starting out and want to try what the casino has to offer.

Deposit bonuses require you to put more money down but offer better value, making them an ideal choice for more experienced players.

When new slots are published, both casinos and casino game suppliers want players to try them out. That's where new slots free spins come in. Depending on the casino, they come with no deposit whatsoever, or they require a small minimum deposit to a casino.

You can find an extensive list on our free spins page.

Yes. If you want to claim your winnings, you need to sign up for a free casino account. Once you have registered for an account, you can make deposits, claim a range of casino bonuses and play games for real money.

Mobile slots free spins are the extra rounds you can play on your phone. Usually, you can get the exact same free spins deal on your desktop and mobile. Sometimes mobile slots no deposit free spins are only given to players who sign up via their mobile device or install a mobile casino app.

No. If they require a casino bonus code, it would be mentioned on either the Bojoko casino review pages or else, on the casino itself.


Find the best slots bonuses


Joonas Karhu

Article by:

Joonas Karhu

Joonas has been in the gaming business for over 10 years. His texts are frequently featured in casino and gambling industry publications.

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