Best Sports Betting Bonuses UK: May 2021 

People who are interested in sports betting will quickly discover that there are lots of different sports betting sites to choose from, many of which offer free sports betting as well as some great bonus deals to entice gamers. Of course, some sites are better than others, which makes it important to do a little research in advance. Here is a selection of the best sports betting sites bonuses that are available to snap up.

Casinos Bonus Visit
Betfred

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Bet £10 Get £30 in Free Bets

60 Free Spins on Justice League Comics Slot

Experienced Company Behind The Brand Huge Betting Selection In Play Betting

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Gambling License

New UK & NI customers only. Promo code SPORTS60. Deposit and place first sports bet of £10+ in one transaction, at odds of Evens (2.0)+, settled within 60 days. First bet must be on Sports. £30 in Free Bets credited within 48 hours of bet settlement. 7-day expiry. Payment restrictions apply. SMS validation may be required. Max 60 Free Spins on Justice League Comics. 7-day expiry. Full T&Cs apply. 18+ T&C's | BeGambleAware®
Mr Play Sports

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Bet £10 Bet £10

Acca Offers, Daily Site Promotions

Fantastic Betting Odds All the major leagues & events Great Bonuses & Daily Offers Trusted Platform

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Gambling License

Standard Welcome Offer terms(Bet 10 Get 10): This offer is for new customers only and is available once per household. Max. FreeBet amount: £10 Minimum Deposit and wagering on sport to activate the Free Bet is: £10 Void/cancelled or cashed out bets do not count towards wagering to activate the free bet. Offer valid only to customers making a first deposit of £10 or more. Offer only applies to players who are residents of United Kingdom, Norway, Finland, Germany and Canada. 18+ T&C's | BeGambleAware®
Betiton Sports & Casino

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Bet £15 Get £10 Betting Bonus

Site Promotions Including Boosts,Cashouts & Fast Markets

Experienced Company New Trusted Site Tons of Options

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Gambling License

New customers only. Max one £10 free bet. Qualifying bets must be placed at odds of 1/1 or greater. Paid as bonus token with min 4/5 odds required. Skrill, Neteller & Paypal not eligible. T&Cs apply. 18+ 18+ T&C's | BeGambleAware®
TonyBet Sport

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100% up to £300 Welcome Bonus

Use Bonus Code: TONY200

Excellent Support Full Range of Betting Markets Competitive Odds

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Gambling License

Offer is only valid for players located in the United Kingdom. New customers only. The offer is valid for 3 days after the registration. 10 Welcome Spins must only be wagered from the real money balance on Net/Ent slots. The wagering requirement for the winnings of Welcome Spins is 35x the amount awarded. Wagering is 35x the total of bonus money, deposit and extra spins. £5 max bet. Deposits made by Skrill and Neteller are not eligible. Unused bonus fund expire after 30 days. Unused bonus spins expire after 10 days. Always read full terms. 18+ T&C's | BeGambleAware®
2K Bet Sports

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Bet £10 and get a £30 Free Bet

New Sportsbetting Site Top Betting Bonuses Sturdy Betting Software

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Gambling License

New players only. Minimum stake $/£/€ 10, minimum odds 1.5, stake not returned. 10X wagering the winnings from the free bet. Wagering occurs from real balance first. Wagering requirement is calculated on bonus bets only, wagering starts from real funds. Free bet is valid for 7 Days from issue. Max conversion: $/£/€ 20.Excluded Skrill deposits. 18+ T&C's | BeGambleAware®
BazingaBet Sports

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Bet £10 Get a £20 Free Bet

Regular Sports Betting Promo & Offers

New Betting Site Tons of Betting Markets & Events Decent Odds Top Sports Bonuses

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Gambling License

New players only. Minimum stake $/£/€ 10, minimum odds 1.5, stake not returned. 10X wagering the winnings from the free bet. Wagering occurs from real balance first. Wagering requirement is calculated on bonus bets only, wagering starts from real funds. Free bet is valid for 7 Days from issue. Max conversion: $/£/€ 20.Excluded Skrill deposits. Full Terms Apply 18+ T&C's | BeGambleAware®
LeoVegas Sport

gb eu ca nz

Up to £100 Extra Winnings on your First Deposit

Welcome Offer

Huge Betting Options Top For In-Play Fast & Secure Payouts

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Gambling License

New customers only. Deposit £10 min and claim in ‘my offers' 1x100% mobile in-play profit boost. Max stake £10. Max extra winnings £100. Valid for 30 days. Skrill/Neteller deposits do not qualify. 18+ Full T&Cs apply 18+ T&C's | BeGambleAware®
Mr Green Sport

gb eu ca ie

Bet £10 Get a £10 Free Accumulator Bet

Welcome Bonus

Experienced Company Huge Betting Options Great Odds & Offers

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Gambling License

T&Cs apply | New players only | Qualifying bet(s) must have minimum odds of 4/5 and must be settled before triggering Bonus bet | 18+ | begambleaware.org 18+ T&C's | BeGambleAware®
Redbet Sport

eu gb ie

Betting Bonus up to £100

Use Bonus Bode: redbetWelcome

Online for over 15 years Huge Selection of Games Regular Sport Offers

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Gambling License

New Customers Only. Min £10 Deposit. Min odds: 4/5. Bonus bets valid for 7 days. T&C’s Apply. 18+ 18+ T&C's | BeGambleAware®
Casino Planet

gb ca nz eu

100% up to £100 Welcome Bonus

200 Bonus Spins

Genesis Global Sister Casino Site Massive Games Inventory Safe & Trusted Brand PayPal & Trustly Accepted

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Gambling License

18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 60x (40x referred player) wagering applies. Bonus valid for 14 days. 20 Spins will be credited instantly upon qualifying deposit + then 20 per day for 9 days on pre-selected games. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Ewallets excluded. 18+ T&C's | BeGambleAware®
Voodoo Dreams Casino

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Welcome Bonus 100% up to £50

50 Wager Free Spins

All The Famous Slots Gamification Games Super Unique Brand

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Gambling License

18+. new players only. Maximum £50 bonus. Minimum deposit: £20. Bonus wins are capped at £500. Max bet with active bonus: £2. Wagering requirement 100% match bonus: 30 times sum of deposit + bonus. Winnings from Free Spins are credited as Real Money. Some games may not be played with an active bonus. Games may contribute differently when wagering a bonus. Bonus expires after 30 days if wagering requirement has not been met. One bonus allowed per person, address, device, IP. Full bonus terms apply 18+ T&C's | BeGambleAware®
Casushi Casino

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Welcome Bonus up to £50

50 Bonus Spins on Starburst Slot

Awesome Sushi Theme Sushi Train Game Superior VIP Club Popular UK Slots & Jackpots New Casino

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Gambling License

New customers only. Minimum first deposit of £20 required. Maximum promotion amount per player is £50 Bonus and 50 Free Spins. The welcome offer is not available on pre-paid card or e-wallet (Neteller and Skrill) deposits. Bonus and free spins will be credited automatically. 100% deposit bonus up to £50 bonus will be credited upon first deposit. 50 free spins will be received in 5 daily increments of 10 starting within 24 hours of first deposit. Free spins are only available on Starburst. Free spins value is £0.10 per spin. Bonus will expire 30 days after qualifying deposit. Free spins will expire 48 hours after being credited/ 18+ T&C's | BeGambleAware®

Bet Bright - £30 Sports Betting Bonus

This has long been one of the best betting sites for sports fans as the site features a huge sports book that covers most of the popular sports from around the world. People who sign up to play with BetBright are treated to a bonus of an impressive £30 that they can use to place a bet on their favourite sport. 

Ladbrokes - £50 Sports Betting Bonus

People who play with Ladbrokes  will find that it is one of the best betting sites around in terms of the odds that it offers on different sports. The bonus that Ladbrokes offers is also very attractive sports betting bonus up to the value of £50 when using bonus code: F50.

This site is well known for its comprehensive sports book and specialises in fantastic odds on a wide range of leading European sports matches including football and rugby. More than 200 leagues are included in the sports book for players to place bets on and there are also lots of exciting live matches to place bets on to keep the action feeling fresh and vibrant. 

BetFair - £20 Sports betting Bonus

This is one of the best betting sites for soccer fans as the site offers odds on more than 600 football markets such as the English Premier League and the Champions League. As well as leading the way in the field of football betting,  Betfair also covers a wide range of other sports betting markets such as cricket, rugby, golf, tennis, and athletics. The bonus that the site offers is also very impressive and players will receive a sports betting bonus of up to £20. 

Bet365 - £50 Sports Betting Bonus

This is one of the best betting sites around and it only stands to reason that they would also include a comprehensive and extensive sports book that includes popular games from around the world. Getting into the betting fun with Bet365 is very easy and this site has an excellent reputation. Players who place a bet of up to £50 will receive a 100% match, allowing them to effectively double their betting power and winning potential. 

This is one of the best online betting sites around as well as one of the first to launch an online sports book. William Hill has earned an excellent reputation over the years for good odds and reliability. The bonus that is available to take advantage of is two free bets of £10 each that allows gamers to enjoy free sports betting.