Best Refer A Friend Casino Bonus & US Casinos With Referral Bonuses Today December 2025

By Mark Strotman

Dec 19th, 2025 2:00 PM EST

Offers Verified on December 19th

Used 26 Times Today

100% Deposit Match up to $1,000 Plus $25 On The House
Promo Code: BOOKIESCAS

Bonus Code

BOOKIESCAS

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Gambling Problem? Call 1-800-GAMBLER. Must be 21+. MI, NJ, PA and WV only. New Customers Only. Please Gamble Responsibly. Visit [http://BetMGM.com|http://BetMGM.com/] for Terms and Conditions. All promotions are subject to qualification and eligibility requirements. Rewards issued as non-withdrawable site credit/Bonus Bets unless otherwise provided in the applicable terms. Rewards subject to expiry.

Referral bonuses allow existing players to bring their friends along for the ride at online casinos while earning casino credits and other perks along the way. Online casinos are grateful to have individual players doing their marketing for them while players get something out of it, too, in the form of casino credits, free spins and other promotions.

When a friend or acquaintance signs up at an online casino using a link or referral code you provided them, you’ll both earn some sort of online casino bonus that increases your chances of earning real money. Our review of the industry’s top refer-a-friend bonuses will dive into the top offers on the board and how players and their friends can maximize their great features. Here’s what you need to know.

Best Casino Referral Bonuses

The sign up offers shown in the table above are for NJ and can vary by state.

The best online casino referral bonuses are easy to find for existing players and simple to redeem for new players. It requires players having active accounts and making an initial deposit. Some US online casinos need a new player to wager a certain amount before any referral bonuses are unlocked.

It’s a simple process that is easy to understand and use, and Bookies.com has all the insights on the top casino referral bonuses and how both you and your friends can rack up these promotion bonuses as you add more players to the party.

Used 22 Times Today

Deposit $10, Get 500 Bonus Spins & $40 In Casino Bonus

Bonus Code

No Code Required

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Gambling Problem? Call 1-800-GAMBLER. 21+ and present in NJ, PA, MI or WV. Gambling Problem? Call 1-800-GAMBLER or visit FanDuel.com/RG (NJ, PA, MI), or visit www.1800gambler.net (WV).

US Casinos With Referral Bonuses

The industry’s leading online casinos each have a unique referral bonus that all qualifying players can use and earn. Our experts have thoroughly reviewed and used these referral bonuses, all the way from sending out unique links to playing through the bonus funds received from each operator. It’s important to read through all terms and conditions such as playthrough requirements and whether the person you’re referring can also earn a welcome offer if they use the referral link.

Here’s what you need to know about the top online casinos and the bonus they provide existing and new players alike as part of their referral programs.

Fanduel Casino Referral Bonus

Players who refer their friends with a unique link from FanDuel online casino will receive $125 in bonus funds. New players will need to make a deposit of at least $10 and wager $10 on various online casino games in order for the referrer to get the bonuses added to their new casino account. This is one of the top referral bonuses in the industry.

Used 22 Times Today

Deposit $10, Get 500 Bonus Spins & $40 In Casino Bonus

Bonus Code

No Code Required

Visit Site

Gambling Problem? Call 1-800-GAMBLER. 21+ and present in NJ, PA, MI or WV. Gambling Problem? Call 1-800-GAMBLER or visit FanDuel.com/RG (NJ, PA, MI), or visit www.1800gambler.net (WV).

DraftKings Casino Referral  Bonus

DraftKings online casino has a unique referral bonus where players will receive bonus bets equal to the amount that their friend first deposits after signing up, up to $100. There’s incentive here for your friends to up the stakes a bit. There’s not a referral bonus quite like this one.

Used 26 Times Today

New Players: Get 500 Casino Spins on Cash Eruption Games and 24-Hour Lossback up to $1,000 in Casino Credits

Bonus Code

No Code Required

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Gambling problem? Call 1-800-GAMBLER (MI/NJ/PA/WV) or visit www.1800gambler.net (WV). 21+. Physically present in MI/NJ/PA/WV only. Void in ONT. Eligibility restrictions apply. New customers only. Must opt-in to each offer. LOSSBACK: Min. net loss of $5 on eligible games to earn 100% of net losses back for 24 hours following opt-in. Max. $1,000 issued in Casino Credits for select games that expire in 7 days (168 hours). SPINS: Min. $5 in wagers req. Max. 500 Casino Spins for featured game. Spins issued as 50 Spins/day upon login for 10 days. Spins expire 24 hours after issuance. $0.20 per Spin. Game availability may vary. Rewards are non-withdrawable. Terms: casino.draftkings.com/promos. Ends 1/4/26 at 11:59 PM ET.

BetMGM Casino Refer A Friend Bonus

Players who use unique links to get their friends to sign up at BetMGM online casino will receive $50 in bonus funds. The friends they refer will need to wager at least $50 during the promotional period before the bonus funds are released to the player.

Used 28 Times Today

100% Deposit Match up to $1,000 Plus $25 On The House
Promo Code: BOOKIESCAS

Bonus Code

BOOKIESCAS

Visit Site

Gambling Problem? Call 1-800-GAMBLER. Must be 21+. MI, NJ, PA and WV only. New Customers Only. Please Gamble Responsibly. Visit [http://BetMGM.com|http://BetMGM.com/] for Terms and Conditions. All promotions are subject to qualification and eligibility requirements. Rewards issued as non-withdrawable site credit/Bonus Bets unless otherwise provided in the applicable terms. Rewards subject to expiry.

Bet365 Casino Refer A Friend Bonus

There’s something for everyone with the bet365 casino referral bonus. All existing players will earn a $50 bonus when each of their friends sign up, while the new player signing up will also earn $50 in bonus bets once they’ve met wagering requirements. A win-win situation.

Used 19 Times Today

100% Deposit Match Bonus up to $1,000 + up to 500 Spins
Promo Code: BOOKIES

Bonus Code

BOOKIES

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Must be 21+ to participate. $10+ required. Offer is only available to customers who register their account after 07:00 AM ET on February 20, 2025. Max. prize, time limits, game restrictions and T&Cs apply. Gambling Problem? Call 1-800-GAMBLER

Caesars Palace Refer A Friend Bonus

Players who love online slots will really enjoy spreading the love to new friends with referral bonuses. All players who refer someone will receive 50 free spins on Sphinx Coin Boost. Once the new player deposits and wagers $50, they’ll also receive 50 free spins to use on one of Caesars' most popular online slots.

Used 30 Times Today

$10 on Reg Plus $1,000 Deposit Match
Promo Code: BOOKIESLAUNCH

Bonus Code

BOOKIESLAUNCH

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Must be 21+ to participate. T&Cs Apply. Play Responsibly. Gambling problem? Call 1-800-GAMBLER (NJ, PA, WV), 1-800-270-7117 for confidential help (MI).

Golden Nugget Casino Referral Bonus

Golden Nugget keeps its referral bonus close to the vest and changes it frequently, but it usually offers some sort of bonus bets or free spins depending on the promotional period. What’s nice is that both you and your friend are eligible for the same offer once requirements are met.

Used 28 Times Today

New Players: Get 250 Spins Over 10 Days on Huff N’ Puff Games + Spin for a Chance at up to $100,000 in Casino Credits

Bonus Code

No Code Required

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Gambling problem? Call 1-800-GAMBLER (MI/NJ/PA/WV). 21+. Physically present in MI/NJ/PA/WV only. Eligibility restrictions apply. Void in ONT. 1 per new customer. Opt-in req. Min. $5 in wagers req. Get max. 250 Casino Spins for featured game AND Mystery Spin Bonus. Spin Bonus rewards between $10-$100,000 in Casino Credits. Spins issued as 25 Spins/day upon login for 10 days. Spins expire 24 hours after issuance. $0.20 per Spin. Max. $100,000 in Casino Credits on select games that expire in 7 days (168 hours). Rewards are non-withdrawable. Game availability may vary. Terms: http://goldennuggetcasino.com/promos. Ends 1/11/26 at 11:59 PM ET.

BetRivers Casino Refer A Friend Bonus

BetRivers online casino is known for its simple layout and straightforward user experience, and its referral bonus works the same way. Existing players can send links to friends and earn $50 casino site credit once they’ve registered and met deposit and wagering requirements. Your friend will also pick up that same offer.

Used 35 Times Today

24 Hours of Casino Losses Back Up To $500

Bonus Code

CASINOBACK

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Must be 21 to participate. T&C apply.

Hard Rock Casino Referral Bonus

There’s a $50 bonus bet available for both existing players and those they get to sign up at Hard Rock online casino. The referred player must make at least a $20 deposit and make $50 in wagers for the promotion to unlock for both players.

Used 29 Times Today

Deposit $10, Get 200 Bonus Spins on Huff N More Puff + Up to $1,000 Lossback in Casino Bonus

Bonus Code

No Code Required

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Offered by Seminole Hard Rock Digital, LLC. All Rewards issued as non-withdrawable site credits. $10+ deposit required for 200 Bonus Spins for Huff N’ More Puff only; winnings paid in cash. Bonus Spins expire after 7 days. 21+. MI & NJ Only. 24-hour Lossback period starts when player makes first cash wager on slots only. Up to $1,000 back in casino bonus if player has net loss on slots after first 24hours. Casino Bonus credit has a 1x wager requirement and expires after 14 days. GAMBLING PROBLEM? CALL 1-800-GAMBLER

Horseshoe Casino Referral Bonus

Those who love online slots will enjoy the referral bonus at Horseshoe online casino. Players who refer friends will pick up 50 free spins once the friend they refer wagers $50 on Horseshoe's library of games.

Used 21 Times Today

Up to $1k in Deposit Matches Plus 20 Bonus Spins
Promo Code: BOOKIESWW

Bonus Code

BOOKIESWW

Visit Site

Must be 21+ and present in MI, NJ, PA or WV to play. T&Cs apply. Know When to Stop Before You Start® Gambling Problem? Call 1-800-GAMBLER or visit 1800gambler.net. Michigan customers can call 1-800-270-7117 or visit https://www.michigan.gov/mgcb/Resources/responsible-gambling.

How to Get an Online Casino Referral Bonus

Qualified bettors who have registered for an account are eligible to receive referral bonuses. All registered players will get unique links that their friends can click on to use and sign up themselves. Here’s a look at what is involved in signing up for a new account at an online casino that makes you eligible for referral bonuses:

1. Follow any of the links at Bookies.com to begin the registration process. If an online casino promo code is required to earn your welcome bonus, make sure it’s entered early in the process.
2. Create your account by providing the online casino with personal information such as name, email, address, and phone number; you will also need to create a strong password to secure your account.
3. Complete all KYC requirements by verifying both your age and location.
4. Make a qualifying first deposit to earn your welcome bonus offer and access to referral links and bonuses.
5. Use the unique links provided by your online casino to send to friends to have them register at the same online casino and complete casino wagering requirements to earn your bonus.

Do All Online Casinos Offer A Refer A Friend Bonus?

No, not all online casinos offer referral bonuses to their players. It’s the sign of a healthy online casino that is heavily backed that is able to offer refer-a-friend bonuses to their players. If you see an online casino that offers referral bonuses, it’s likely they also offer a great welcome bonus and recurring promotions to keep players active and playing their online casino games.

The ones we’ve listed here all offer referral bonuses, and there’s plenty more to like about each casino other than just that.

Used 26 Times Today

New Players: Get 500 Casino Spins on Cash Eruption Games and 24-Hour Lossback up to $1,000 in Casino Credits

Bonus Code

No Code Required

Visit Site

Gambling problem? Call 1-800-GAMBLER (MI/NJ/PA/WV) or visit www.1800gambler.net (WV). 21+. Physically present in MI/NJ/PA/WV only. Void in ONT. Eligibility restrictions apply. New customers only. Must opt-in to each offer. LOSSBACK: Min. net loss of $5 on eligible games to earn 100% of net losses back for 24 hours following opt-in. Max. $1,000 issued in Casino Credits for select games that expire in 7 days (168 hours). SPINS: Min. $5 in wagers req. Max. 500 Casino Spins for featured game. Spins issued as 50 Spins/day upon login for 10 days. Spins expire 24 hours after issuance. $0.20 per Spin. Game availability may vary. Rewards are non-withdrawable. Terms: casino.draftkings.com/promos. Ends 1/4/26 at 11:59 PM ET.

Can You Withdraw Referral Bonuses?

Players ultimately can withdraw referral bonuses, but only after they have met the playthrough requirements set forth by each online casino. For example, players who earn a $50 referral bonus with a 10x playthrough requirement will need to wager $500 in bonus funds before any winnings become real money.

Once those playthrough requirements have been met, those winnings will become real money in your account and can be withdrawn or played again like any other real money funds. So while referral bonuses cannot be immediately withdrawn, there is a clear path to securing winnings at the top online casinos.

About the Author

Mark Strotman

More About Mark

Mark is a veteran sports betting journalist who has covered the Bulls and the NBA since 2012. His work has appeared on ESPN.com, FoxSports.com, The Chicago Tribune and Yahoo Sports. He regularly provides NBA betting picks, as well as in-depth sportsbook reviews and the latest promo codes for all the major sports gambling operators, including Caesars Sportsbook, BetMGM, DraftKings, FanDuel and more.

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