Slots are the most popular games at online and mobile casinos. Did you know that each slot offers a different RTP though - the figure that expresses how much you should win over a prolonged period of time? You want to play the best payout online slots around, and you can learn exactly what these slot machines are when you read through this handy page…
Top 10 Best Payout Online Slots
| Casino | Rating | Bonus | Play Now |
|---|---|---|---|
1  | 9.4/10 | £300 Bonus + 100 Bonus Spins | 18+. New players only. Min Deposit £20. Max Bonus Bet £5. Winnings from spins capped at £50. 100 Zee Spins valid on Starburst (first 10 credited immediately upon first deposit; rest credited at 07:00 GMT at 10/day). Spins must be used by 23:59 GMT of the day on which they are credited to player account, any unused shall be removed. Bonus funds must be used within 30 days. Bonus funds are separate to Cash funds, and subject to 35x wagering (bonus + cash). Full terms apply. BeGambleAware.org |
2  | 9.7/10 | 30 Free Spins | First deposit only. Min deposit & spend £10. Max 30 spins on VALHALLA at 25p per spin. Spins credited upon spend of £10. Full T&Cs apply. |
3  | 9.4/10 | £300 Bonus | |
4  | 9.4/10 | £200 Bonus + 100 Free Spins | |
5  | 9/10 | £200 Bonus 100 free spins | |
6  | 9.4/10 | £50 + 20 Free Spins | |
7  | 8.8/10 | £200 | |
8  | 9/10 | 100% up to £99 & 99 Free Spins | New customers only, min deposit £20, wagering 40x, max bet £5 with bonus funds. 100% up to £99 bonus + 99 free spins on 1st deposit. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Full T&Cs apply |
9  | 9.6/10 | £850 Bonus + 25 Free Spins! | New Customers only, First 3 deposits only, Min deposit £10. Max bonus £500 + 50 Spins on Starburst. Selected Slots Only, 4x conversion 30x wagering, T's & C's apply. |
10  | 9.4/10 | £100 Bonus + 50 Bonus Spins | |
11  | 9.4/10 | 100% up to £100 + 100 Free Spins on Selected Slots | |
12  | 8.1/10 | £1200 Bonus + 100 Free Spins! | The welcome offer is split into 3 deposit bonuses. Deposit 1, 100% up to £500 + 50 spins. Deposit 2, 50% up to £200. Deposit 3, 125% up to £500 + 50 spins. Enjoy up to £1200 welcome package plus 100 spins |
13  | 9.4/10 | £100 Bonus + 25 Free Spins | |
14  | 9.1/10 | 100% up to £123 + 10% Cashback | New players only, Maximum bonus is £123, Max bet with bonus is £5, No max cash out, Wagering is 50x - Skrill & Neteller excluded, Eligibility is restricted for suspected abuse, Cashback is cash, so no wagering, Cashback applies to deposit where no bonus is included. Full T&C’s apply |
15  | 9.3/10 | £200 Bonus + 10 Free Spins! | New players, £10+ deposit required, no e-wallets/prepaid cards, 30x Playthrough, on Bonus and 50x on Free Spins winnings. T&Cs Apply |
16  | 9.1/10 | £400 Bonus + 50 Free Spins! | Valid until 31.12.2018. New players only. 1st deposit min £20 with code, gets 100% Bonus (max £400) + 50 FS on Kingdom of Cash. FS deposit wins are set at min £1 -max £13. Bonus wins are capped at £400, exc. jp win. To withdraw games bonus & related wins, wager 30x the bonus funds. Wagering reqs vary by game. Withdrawal restrictions & full T&C apply. |
17  | 8.6/10 | £200 Bonus + Free Spins! | Opt-in Required. 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: $/£/€ 20 or 200 kr. Full Terms apply. |
18  | 8.8/10 | £200 Bonus | UK & IRL only. Deposits made with e-wallets are not valid for this promo. Bonus wagering x50 on eligible games. Game weighting apply. Min deposit €20. Golden chips available after bonus is redeemed/lost and worth €1 each. Full T&Cs apply. - Full Terms Apply |
19  | 9.5/10 | £1200 Bonus + 100 Free Spins! | Register at Dunder casino today and receive up to $/€/£ 600 + 200 free spins welcome bonus on your first 4 deposits. Get 200 free spins + 100% match bonus up to €50 on your first deposit. Second deposit 50% up to €100. Third deposit 25% up to €150. Fourth deposit 25% up to €300. |
20  | 8.6/10 | £300 Bonus + 5 Daily Free Spins! | *Opt in required. Available 1x per customer. First deposit only. Minimum £10 deposit. Maximum £300 bonus. 40x wagering. Bonus expires 7 days from issue. New customers to casino page only. Player, currency, country, game restrictions & terms apply. |
21  | 8/10 | £200 Bonus + 20 Free Spins! | Opt-in Required. 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: $/£/€ 20 or 200 kr. Full Terms apply. |
22  | 5/10 | £500 Bonus + 50 Free Spins! | New Customers only, First 3 deposits only, Min deposit £10, Max bonus £500 + 50 Spins on Starburst, Selected Slots only, 4x conversion, 30x wagering, T's&C's apply. |
23  | 5/10 | £200 Bonus + 100 Free Spins! | Opt-in Required. 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: $/£/€ 20 or 200 kr. Full Terms Apply. |
24  | 5/10 | £200 Bonus | The Welcome Bonus consists of a FreePlay bonus of 100% of your first deposit, up to $/€/£200 or 2000 SEK (depending on your chosen account currency). For example, if you deposit $200 as your first deposit, you will receive a bonus of $200 in FreePlay In order to receive the Welcome Bonus, you must make a single first time deposit with the promotion code: WELCOME777. |
25  | 8.5/10 | £500 Bonus + 25 Free Spins |
Recommended Top Payout Online Slots
- Use a range of deposit methods
- Choose from a variety of games
- Quick deposit and withdrawals
18+. New players only. Min Deposit £20. Max Bonus Bet £5. Winnings from spins capped at £50. 100 Zee Spins valid on Starburst (first 10 credited immediately upon first deposit; rest credited at 07:00 GMT at 10/day). Spins must be used by 23:59 GMT of the day on which they are credited to player account, any unused shall be removed. Bonus funds must be used within 30 days. Bonus funds are separate to Cash funds, and subject to 35x wagering (bonus + cash). Full terms apply. BeGambleAware.org
First deposit only. Min deposit & spend £10. Max 30 spins on VALHALLA at 25p per spin. Spins credited upon spend of £10. Full T&Cs apply.
- Highly trusted brand
- Massive bonus up to £300
- Playtech and Microgaming Games
- Popular software providers
- Big welcome package
- Range of payment options
- Highly attractive branding & imagery
- Great selection of slots
- Separate sportsbook
- Solid welcome bonus
- Massive selection of games
- Properly licenced and regulated
- Fantastic and highly engaging branding
- A wide range of exciting slots
- Simple to navigate
- 100% up to £99 + 99 Free Spins
- Loads of different games
- Some huge progressive jackpots
New customers only, min deposit £20, wagering 40x, max bet £5 with bonus funds. 100% up to £99 bonus + 99 free spins on 1st deposit. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Full T&Cs apply
- Great for Progressive Gambling
- Mobile Gaming for Android and iOS
- PayPal Enabled Casino
New Customers only, First 3 deposits only, Min deposit £10. Max bonus £500 + 50 Spins on Starburst. Selected Slots Only, 4x conversion 30x wagering, T's & C's apply.
- Licenced by three regulatory bodies
- Slots from many different software providers
- Big progressive jackpots
- 24/7 live chat support
- Added security via SSL encryption
- Titles from the top software companies
- Remarkable customer service with 24/7 live chat
- SSL encryption
- Generous welcome bonus of up to £1200 + 100 free spins
The welcome offer is split into 3 deposit bonuses. Deposit 1, 100% up to £500 + 50 spins. Deposit 2, 50% up to £200. Deposit 3, 125% up to £500 + 50 spins. Enjoy up to £1200 welcome package plus 100 spins
- Superb on mobile and tablet
- Visually stunning
- Good range of slots
- 100% up to £123 + 10% Cashback
- Stunning selection of online slots
- Huge progressive prizes
New players only, Maximum bonus is £123, Max bet with bonus is £5, No max cash out, Wagering is 50x - Skrill & Neteller excluded, Eligibility is restricted for suspected abuse, Cashback is cash, so no wagering, Cashback applies to deposit where no bonus is included. Full T&C’s apply
- Over 500 slots titles.
- Lavish welcome bonus of £300 plus 20 free Vegas spins.
- Mobile casino with over 200 slots.
New players, £10+ deposit required, no e-wallets/prepaid cards, 30x Playthrough, on Bonus and 50x on Free Spins winnings. T&Cs Apply
- Free phone line available for UK gamers
- Enticing welcome bonus
- Massive selection of slots
Valid until 31.12.2018. New players only. 1st deposit min £20 with code, gets 100% Bonus (max £400) + 50 FS on Kingdom of Cash. FS deposit wins are set at min £1 -max £13. Bonus wins are capped at £400, exc. jp win. To withdraw games bonus & related wins, wager 30x the bonus funds. Wagering reqs vary by game. Withdrawal restrictions & full T&C apply.
- Fantastic selection of slot games available for mobile and desktop platforms
- 24/7 customer support convenience
- Nicely themed
Opt-in Required. 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: $/£/€ 20 or 200 kr. Full Terms apply.
- Huge and reputable brand since 1988
- Available in PC, mobile, and download
- Very prompt withdrawal rates
UK & IRL only. Deposits made with e-wallets are not valid for this promo. Bonus wagering x50 on eligible games. Game weighting apply. Min deposit €20. Golden chips available after bonus is redeemed/lost and worth €1 each. Full T&Cs apply. - Full Terms Apply
- Massive selection of slots from leading developers
- Fresh and modern site design
- Awesome 3-tier welcome deposit
Register at Dunder casino today and receive up to $/€/£ 600 + 200 free spins welcome bonus on your first 4 deposits. Get 200 free spins + 100% match bonus up to €50 on your first deposit. Second deposit 50% up to €100. Third deposit 25% up to €150. Fourth deposit 25% up to €300.
- Highly trusted and experienced UK betting brand
- Great mobile optimisation
- Over 200 slots from multiple providers
*Opt in required. Available 1x per customer. First deposit only. Minimum £10 deposit. Maximum £300 bonus. 40x wagering. Bonus expires 7 days from issue. New customers to casino page only. Player, currency, country, game restrictions & terms apply.
- Great selection of slots
- Generous welcome bonus for new players
- SSL encrypted
Opt-in Required. 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: $/£/€ 20 or 200 kr. Full Terms apply.
- Features an astounding number of slot titles
- Convenient instant-play format
- Huge list of first-rate game developers
New Customers only, First 3 deposits only, Min deposit £10, Max bonus £500 + 50 Spins on Starburst, Selected Slots only, 4x conversion, 30x wagering, T's&C's apply.
- A healthy selection of slot titles including several lucrative jackpots
- Generous welcome bonus
- Fully licensed in the UK
Opt-in Required. 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: $/£/€ 20 or 200 kr. Full Terms Apply.
- Well-rounded collection of slots from various developers
- 24/7 toll-free phone support available for UK players
- Secured with SSL encryption technology
The Welcome Bonus consists of a FreePlay bonus of 100% of your first deposit, up to $/€/£200 or 2000 SEK (depending on your chosen account currency). For example, if you deposit $200 as your first deposit, you will receive a bonus of $200 in FreePlay In order to receive the Welcome Bonus, you must make a single first time deposit with the promotion code: WELCOME777.
- Easy to navigate
- Comprehensive range of slots and games
- Powered by the highly reliable Nektan platform
The Slots with the Best RTPs
The first thing we’re going to do is show you a list of the top 15 highest paying online slots, all of which have RTPs of 98% or more. Play one of these loosest online slots and you’ll be giving yourself a great chance of winning some real money!
- Mega Joker
- Cosmic Quest - Mystery Planet
- Jackpot 6000
- Chess Mate
- 1429 Uncharted Seas
- Cinema Classic
- Lucky Mermaid
- Golden Legacy
- Sports Fishing
- Taxi Movida
- Lucky Pets
- Diamond Diggin
- Jump
- Ways of Fortune
- Ragnarok
Of course, extra slots are being added to casino sites all the time, so check back regularly to make sure our list of the best online slots payout percentage UK players can find hasn’t changed.
How to Find the RTP of a Slot Machine
Finding the RTP of a slot machine is generally pretty easy. This is because every casino has to show the payout percentages to players, and these are usually found on a dedicated page. We’d always recommend looking at this page first before you play a slot machine, just to ensure you’re not playing a game with a ridiculously low RTP.
Some gambling sites hide their information on payouts deep within their site though, making them tough to locate. If you can’t find the information you need at your chosen casino, just Google the game’s payout percentage instead. There are plenty of sites that will have the information you need.
Progressive Slots Explained
Progressive slots generally have the biggest jackpot prizes around. This is because the top prize keeps on building up as more and more people play the game. When a player manages to win this progressive jackpot, it will reset back to its minimum amount, before starting to build up all over again.
Many people are really attracted towards progressive games, thanks to the big prizes. We’ve got news for them though: progressive jackpot slots generally have the lowest RTPs around. While you could win millions, you’ve got a much better chance than other games of not winning anything at all. Whether you still choose to play progressive jackpot slots is completely down to the type of casino player you are.
Playing Real Money Slots on Mobile
If you want to play slots using a mobile, there’s no need to worry. This is because the best payout online slots have the same RTPs, regardless of how you play them. So, whether you gamble using a desktop or a mobile, you’ll have exactly the same chance of winning. Mobile players will also find that the bonus game features found on slots are exactly the same, plus they’ll find that the graphics are still very good. Basically, when you have a few spins using your mobile, you’ll be treated exactly the same as desktop casino players.
It should also be mentioned that mobile slots players can also receive the same bonuses as desktop players, including welcome bonuses. What’s more, it isn’t just slots on offer to mobile players, as they can also play table games, live casino games and more. This will apply to pretty much everyone, regardless of the mobile device they choose to use.
Most Popular Slots Software Producers
There are many online slots software providers out there, however the top three are definitely Microgaming, NetEnt and Playtech. They produce some of the slots with the most recognisable themes, as well as many slots with absolutely gigantic prizes. What’s more, they usually have stunning graphics and the gameplay is incredibly easy.
Unfortunately, the best looking and most popular slots aren’t always the best payout online slots. This is why we’d encourage you to also look at the slots from smaller software providers too. These smaller software providers are often trying to get a foothold in the industry, therefore they deliberately produce some of the best payout online casino games. This allows them to attract new players as quickly as possible.
Play the Best Slots at Online Casinos Today
Now you know about the slots with the best online casino payouts, you’re ready to head to one of our recommend casino sites and start playing. Hopefully you’ll be able to have some luck when you play one of the best payout online slots featured further up this page! Should you be looking for a list of fastest payout online casino sites, be sure to visit our dedicated page.
