Best Online Slots Bonus UK

Slots bonuses - free spins, bonus spins, or whatever you want to call them, we have collected them below. Sort on your criteria and find the best bonus for use in top online slots.

Top Slots Bonuses

New Customers Only - T&C Apply

  • Best grade
  • Turnover
  • Minimum deposit
  • LuckyNiki Casino

    LuckyNiki Casino

    60x
    Turnover
    £10
    min. deposit
    5.5
    First Deposit Only. Min. deposit: £10. Game: Ninja Master, Spin Value: £0.2, Max Free Spins:25. WR 60x Free spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the Free spin winnings amount or £5 (lowest amount applies). Free Spins must be used before deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies.
  • PartyCasino

    PartyCasino

    10x
    Turnover
    £10
    min. deposit
    6.2
    18+. New depositors only. UK residents only. Minimum deposit £10. Free Spins are valid only on Starburst and expire in 7 days. Excludes deposits made via Skrill, Entropay and Neteller.
  • EU Casino

    EU Casino

    60x
    Turnover
    £10
    min. deposit
    6.5
    First Deposit Only. Min eposit: £10. Game: Spina Colada, Spin Value: £1. WR 60x spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the spin winnings amount or £5 (lowest amount applies). Extra Spins must be used before deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies.
  • Ahti Games Casino

    Ahti Games Casino

    60x
    Turnover
    €10
    min. deposit
    6.6
    First Deposit Only. Min. deposit: £10. Game: Book of Dead, Spin Value: £0.50, Max Spins: 50. WR 60x spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the spin winnings amount or £5 (lowest amount applies). Spins must be used before deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies.
  • LunaCasino

    LunaCasino

    60x
    Turnover
    £10
    min. deposit
    6.9
    First Deposit Only. Min. deposit: £10. Game: The Reel Deal, Spin Value: £0.10, Max Free Spins: 100 WR 60x free spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings amount or £5 (lowest amount applies). Free Spins must be used before deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies.
  • Omnia Casino

    Omnia Casino

    10x
    Turnover
    £20
    min. deposit
    7.3
    Min deposit $20. Winnings from free spins have x10 wagering. Free spins can be used on Book of Dead. Max bet $5. Stake weightings and general bonus T&Cs apply
  • Wishmaker Casino

    Wishmaker Casino

    40x
    Turnover
    £10
    min. deposit
    7.5
    New customers only. Min dep £10/£50. Claim period 14 days. Daily Spins claim period 1 day. Winnings from spins 40x wagering within 7 days. Max 500 spins total. Max Winnings on all spins £1,000. Max bet £5. Game restrictions apply.
  • Wishmaker Casino

    Wishmaker Casino

    40x
    Turnover
    €50
    min. deposit
    7.5
    New customers only. Min dep £10/£50. Claim period 14 days. Daily Spins claim period 1 day. Winnings from spins 40x wagering within 7 days. Max 500 spins total. Max Winnings on all spins £1,000. Max bet £5. Game restrictions apply.
  • Volt Casino

    Volt Casino

    0x
    Turnover
    £20
    min. deposit
    7.7
    Valid for new players registering from 04/02/2019 – to 30/06/2019. Must be claimed within 35 days of account creation. Max credited Volt Points = 12000. Volt Points will be credited to players accounts and players choose their Cash Spins from the Volt Shop. No wagering on Cash Spins winnings. Max winnings from Cash Spins is £500. Min first dep of £20 required. Neteller & Skrill deposits excluded. Cash Spins must be used within 7 days of being granted. Further T&C’s apply.
  • Betsafe Casino

    Betsafe Casino

    1x
    Turnover
    £200
    min. deposit
    7.9
    18+. 1st deposit only. Only 1 of 3 offers can be claimed. Available 14 days from registration. 3 day spins expiry applies. Any winnings credited as cash. Further eligibility and terms apply.
  • Betsafe Casino

    Betsafe Casino

    1x
    Turnover
    £100
    min. deposit
    7.9
    18+. 1st deposit only. Only 1 of 3 offers can be claimed. Available 14 days from registration. 3 day spins expiry applies. Any winnings credited as cash. Further eligibility and terms apply.
  • CasinoEuro

    CasinoEuro

    1x
    Turnover
    £200
    min. deposit
    7.9
    18+. New GB customers and first deposit only. Spins only available on Starburst. Deposit and play through £25 on selected games and get 25 spins OR; Deposit and play through £100 on selected games and get 100 spins OR; Deposit and play through £200 on selected games and get 200 spins. 5 day expiry of spins after they have been added. 14 days from registration to claim offer. You have a right to withdraw your cash deposit or any remaining cash deposit and any cash winnings from this deposit. If this is withdrawn, the spins and any winnings from the spins will be forfeited. All winnings from the spins will be paid out cash. Further eligibility and terms apply.
  • CasinoEuro

    CasinoEuro

    1x
    Turnover
    £100
    min. deposit
    7.9
    18+. New GB customers and first deposit only. Spins only available on Starburst. Deposit and play through £25 on selected games and get 25 spins OR; Deposit and play through £100 on selected games and get 100 spins OR; Deposit and play through £200 on selected games and get 200 spins. 5 day expiry of spins after they have been added. 14 days from registration to claim offer. You have a right to withdraw your cash deposit or any remaining cash deposit and any cash winnings from this deposit. If this is withdrawn, the spins and any winnings from the spins will be forfeited. All winnings from the spins will be paid out cash. Further eligibility and terms apply.
  • CasinoEuro

    CasinoEuro

    1x
    Turnover
    £25
    min. deposit
    7.9
    18+. New GB customers and first deposit only. Spins only available on Starburst. Deposit and play through £25 on selected games and get 25 spins OR; Deposit and play through £100 on selected games and get 100 spins OR; Deposit and play through £200 on selected games and get 200 spins. 5 day expiry of spins after they have been added. 14 days from registration to claim offer. You have a right to withdraw your cash deposit or any remaining cash deposit and any cash winnings from this deposit. If this is withdrawn, the spins and any winnings from the spins will be forfeited. All winnings from the spins will be paid out cash. Further eligibility and terms apply.
  • Betsson Casino

    Betsson Casino

    1x
    Turnover
    £200
    min. deposit
    7.9
    18+. 1st deposit only. Only 1 of 3 offers can be claimed. Available 14 days from registration. 3 day spins expiry applies. Any winnings credited as cash. Further eligibility and terms apply.
  • Betsson Casino

    Betsson Casino

    1x
    Turnover
    £100
    min. deposit
    7.9
    18+. 1st deposit only. Only 1 of 3 offers can be claimed. Available 14 days from registration. 3 day spins expiry applies. Any winnings credited as cash. Further eligibility and terms apply.
  • Betsson Casino

    Betsson Casino

    1x
    Turnover
    £25
    min. deposit
    7.9
    18+. 1st deposit only. Only 1 of 3 offers can be claimed. Available 14 days from registration. 3 day spins expiry applies. Any winnings credited as cash. Further eligibility and terms apply.
  • Betsafe Casino

    Betsafe Casino

    1x
    Turnover
    £25
    min. deposit
    7.9
    18+. 1st deposit only. Only 1 of 3 offers can be claimed. Available 14 days from registration. 3 day spins expiry applies. Any winnings credited as cash. Further eligibility and terms apply.
  • First Deposit Only. Min. deposit: £10, max. Bonus £50. Game: Shangri La, Spin Value: £0.20, Max Extra Spins:15. WR of 30x Deposit + Bonus amount and 60x Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the spin winnings and bonus amount or £5 (lowest amount applies). Extra Spins must be used before deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies.
  • Thor Slots Casino

    Thor Slots Casino

    65x
    Turnover
    £10
    min. deposit
    8.2
    Receive a FREE spin of the ‘Mega Reel’ when you make your first deposit. Prizes vary, ranging from Free Spins to Amazon Vouchers. New players only, min dep £10, £8 max win per 10 spins, max bonus conversion £250. Wagering requirements apply.
  • PlayOJO

    PlayOJO

    0x
    Turnover
    £10
    min. deposit
    8.3
    18+ | First time depositors only. Min. deposit £10. Maximum amount of Free Spins is 80. Free Spins valued at £0.10 per spin, in Book of Dead. Excluding new players in Northern Ireland. OJO's Reward and Game Play Policy Applies.
  • New customers only. Min £10 dep. Neteller/Skrill excl. Max bonus £100. Wagering 40x on bonus amount within 30 days. Bonus max bet £5. Spins paid 10 per day and valid for 24 hours. Game weighting and T&C apply.
  • Cozino Casino

    Cozino Casino

    60x
    Turnover
    £10
    min. deposit
    9.0
    First Deposit Only. Min. deposit: £10. Game: Wild Wild West The Great Train Heist. Spin Value: £0.2. Max Free Spins: 100. WR 60x free spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings amount or £5 (lowest amount applies). Free Spins must be used before deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies.
  • Dunder

    Dunder

    30x
    Turnover
    £0
    min. deposit
    9.0
    Minimum deposit: £20. 20 spins in Book of Dead on reg. 100% bonus up to £100 and 100 bonus spins. First 50 bonus spins credited on deposit, Second 50 bonus spins credited the following day. Valid on first deposit only. Wagering on reload bonus: 60x. Wagering on bonus spins: 30x. Wagering must be completed within 30 days. Max bonus bet £5. Bonus is valid for a total of 21 days. Game weighting and standard bonus terms apply.
  • Dunder

    Dunder

    30x
    Turnover
    £20
    min. deposit
    9.0
    Minimum deposit: £20. 20 spins in Book of Dead on reg. 100% bonus up to £100 and 100 bonus spins. First 50 bonus spins credited on deposit, Second 50 bonus spins credited the following day. Valid on first deposit only. Wagering on reload bonus: 60x. Wagering on bonus spins: 30x. Wagering must be completed within 30 days. Max bonus bet £5. Bonus is valid for a total of 21 days. Game weighting and standard bonus terms apply.
  • 18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 10 Spins on pre-selected games will be credited instantly + then 10 per day for 4 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms. www.begambleaware.org
  • 18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 30 Spins on Starburst games will be credited instantly + then 30 per day for 9 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms - www.begambleaware.org
  • 18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. Minimum £5 wager to activate 200 Spins. 20 Spins on Starburst games will be credited per day for 10 days after qualifying deposit/wager is met. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms - www.begambleaware.org
  • 18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 20 Spins on Starburst will be credited per day for 9 days after qualifying deposit/wager is met. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms - www.begambleaware.org
  • 18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. Minimum £5 wager to activate 200 Spins. 20 Spins on Starburst will be credited per day for 10 days after qualifying deposit/wager is met. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms - www.begambleaware.org
  • Betfair Casino

    Betfair Casino

    0x
    Turnover
    £0
    min. deposit
    9.7
    New Casino players from UK & Ireland only. SMS verification required. Winnings paid as Cash. Free spins expire after 7 days. Full T&Cs apply.
  • Opt in required. New customers to Casino page only. 1x per customer. Min. Buy in £10. Bonus value 100% of Buy in. Max. Bonus £300. 40x Wagering, Max Redeemable £4,000. 50 Free Spins with x35 wagering will be awarded after the Buy in Bonus is completed, Max Redeemable £1,000. Bonus expires after 7 days. Stake contributions, player, country, currency, game restrictions and terms apply.
  • Casumo

    Casumo

    0x
    Turnover
    £0
    min. deposit
    9.7
    18+. New UK customers only. Opt-in required. 30 free spins on Book of Dead game upon registration with NO wagering requirements or deposit required for spins AND 100% deposit bonus up to £300: Min deposit £10 and 30x wagering requirements apply on bonus (game weighting applies). Max bet applies. T’s and c’s apply. Please gamble responsibly, www.begambleaware.org
  • LeoVegas

    LeoVegas

    0x
    Turnover
    £10
    min. deposit
    9.8
    20 Free Spins: 20 Free Spins available on Book of Dead game only. Must be claimed on the 'My Offers' page within 14 days of sign-up. Free Spins have a £0.10 value each and expire 7 days from claim. 35x wagering requirement on eligible slots before winnings are converted to cash. Casino Deposit Package: Deposits of £10, £20, £50 or £100 matched with a bonus offer of same value (14 day expiry).Total of four (4) Deposit bonuses + bonus spins offers available. 35x real money cash wagering of bonus offer amount must be met (30 days from deposit) before bonus is credited in cash. Spins credited upon deposits; under £50 - 10 Bonus Spins; £50 or over - 25 Bonus Spins. Spins on Book of Dead only, 3 day expiry, winnings paid in cash.
  • LeoVegas

    LeoVegas

    0x
    Turnover
    £50
    min. deposit
    9.8
    20 Free Spins: 20 Free Spins available on Book of Dead game only. Must be claimed on the 'My Offers' page within 14 days of sign-up. Free Spins have a £0.10 value each and expire 7 days from claim. 35x wagering requirement on eligible slots before winnings are converted to cash. Casino Deposit Package: Deposits of £10, £20, £50 or £100 matched with a bonus offer of same value (14 day expiry).Total of four (4) Deposit bonuses + bonus spins offers available. 35x real money cash wagering of bonus offer amount must be met (30 days from deposit) before bonus is credited in cash. Spins credited upon deposits; under £50 - 10 Bonus Spins; £50 or over - 25 Bonus Spins. Spins on Book of Dead only, 3 day expiry, winnings paid in cash.
  • LeoVegas

    LeoVegas

    0x
    Turnover
    £100
    min. deposit
    9.8
    20 Free Spins: 20 Free Spins available on Book of Dead game only. Must be claimed on the 'My Offers' page within 14 days of sign-up. Free Spins have a £0.10 value each and expire 7 days from claim. 35x wagering requirement on eligible slots before winnings are converted to cash. Casino Deposit Package: Deposits of £10, £20, £50 or £100 matched with a bonus offer of same value (14 day expiry).Total of four (4) Deposit bonuses + bonus spins offers available. 35x real money cash wagering of bonus offer amount must be met (30 days from deposit) before bonus is credited in cash. Spins credited upon deposits; under £50 - 10 Bonus Spins; £50 or over - 25 Bonus Spins. Spins on Book of Dead only, 3 day expiry, winnings paid in cash.
  • LeoVegas

    LeoVegas

    0x
    Turnover
    £20
    min. deposit
    9.8
    20 Free Spins: 20 Free Spins available on Book of Dead game only. Must be claimed on the 'My Offers' page within 14 days of sign-up. Free Spins have a £0.10 value each and expire 7 days from claim. 35x wagering requirement on eligible slots before winnings are converted to cash. Casino Deposit Package: Deposits of £10, £20, £50 or £100 matched with a bonus offer of same value (14 day expiry).Total of four (4) Deposit bonuses + bonus spins offers available. 35x real money cash wagering of bonus offer amount must be met (30 days from deposit) before bonus is credited in cash. Spins credited upon deposits; under £50 - 10 Bonus Spins; £50 or over - 25 Bonus Spins. Spins on Book of Dead only, 3 day expiry, winnings paid in cash.
  • 18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 30 Spins on pre-selected games will be credited instantly + then 30 per day for 9 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms - www.begambleaware.org
  • LeoVegas

    LeoVegas

    35x
    Turnover
    £0
    min. deposit
    9.8
    20 Free Spins: 20 Free Spins available on Book of Dead game only. Must be claimed on the 'My Offers' page within 14 days of sign-up. Free Spins have a £0.10 value each and expire 7 days from claim. 35x wagering requirement on eligible slots before winnings are converted to cash. Casino Deposit Package: Deposits of £10, £20, £50 or £100 matched with a bonus offer of same value (14 day expiry).Total of four (4) Deposit bonuses + bonus spins offers available. 35x real money cash wagering of bonus offer amount must be met (30 days from deposit) before bonus is credited in cash. Spins credited upon deposits; under £50 - 10 Bonus Spins; £50 or over - 25 Bonus Spins. Spins on Book of Dead only, 3 day expiry, winnings paid in cash.
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