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Betting Sites With Free Bonus: The Top 7 Betting Sites With Free Registration Bonus In 2025

Last Updated on 01/21/2025
Fact checked by: Ronnie Flores

Betting sites with free bonus offers are few and far between in the USA, and that’s down to our strict anti-gambling regulations. However, by switching your focus to social and sweepstakes gaming, you’ll find some eye-catching promos available.

Join us for a whistle-stop tour of some of the web’s premier free sign up bonus betting sites, as we cast an eye over Sportzino, Thrillzz, and Legendz to explain what they offer and the T&Cs to watch out for. We’ll also be taking a look at Fliff, where you can score an awesome welcome bonus with code, FLIFFISLIFE.

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Explore the Best Betting Sites Offering Free Bonuses in 2025

SportsMillions
Recommended
4.7/5
SportsMillions Bonus
Get up to 33 Free SC + 7K Gold Coins
Virginia
Players from Virginia accepted
T&Cs apply, 18+
Payment Methods
Visa
Mastercard
Applepay
+
Apps
Show less
Legendz Casino
Hot Offer
4.7/5
Legendz Casino Bonus
Sign up for 3 SC + 500 Gold Coins FREE and 50% extra on your First Purchase!
Virginia
Players from Virginia accepted
T&Cs apply, 18+
Payment Methods
Skrill
Visa
Mastercard
+
Withdrawal
1 Day
Show less
Fliff
Hot Offer
4.6/5
Fliff Bonus
Spend $50, Get up to $100 in Fliff Coins + Get up to $5 Per Day
Virginia
Players from Virginia accepted
T&Cs apply, 18+
Payment Methods
Visa
Mastercard
American Express
+
Apps
Show less
Sportzino
4.
4.5/5
Sportzino Bonus
Get up to 10 SC FREE + 220,000 Gold Coins
Virginia
Players from Virginia accepted
T&Cs apply, 18+
Payment Methods
Visa
Mastercard
Discover
Apps
Show More
Kickr
5.
4.5/5
Kickr Bonus
4 Free Bucks + 150,000 Bits
Virginia
Players from Virginia accepted
T&Cs apply, 18+
Payment Methods
Visa
Mastercard
Applepay
+
Show More
Thrillzz
6.
4.5/5
Thrillzz Bonus
100% match up to $25 in Coins + $3 Free Coins
Virginia
Players from Virginia accepted
T&Cs apply, 18+
Payment Methods
Visa
Applepay
American Express
+
Apps
Show More
Onyx Odds
7.
4.5/5
Onyx Odds Bonus
Spend $10 get 25 Onyx Cash
Virginia
Players from Virginia accepted
T&Cs apply, 18+
Payment Methods
PayPal
Visa
Mastercard
+
Apps
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How we rank the best betting sites with free bonus deals

Before we launch into our shortlist of free bonus betting sites, we wanted to outline the approach we take when testing and reviewing betting apps that give away free money. After all, with dozens of brands out there promising the prospect of “free” bonuses and rewards, it’s important that you can trust any recommendations that come your way.

With that in mind, here’s a look at some of the parameters we consider when sizing up free betting sites and their signature promotions…

Scope of bonuses: While our first port of call is the generosity of a brand’s sign-up bonus, we also look for signs that a site offers these rewards to returning players. The presence of a daily login bonus, a friend referral scheme, and a VIP rewards program provide the assurance that a betting site will continue to reward its long-standing bettors.

Transparency of bonus T&Cs: Given the strict rules around free online betting for real money in the USA, you need to study a brand’s bonus and general terms of service carefully. There are lots of caveats, limits, and rules to watch out for when accessing betting sites with free bonus offers, so we take a fine-tooth comb to the T&Cs to make sure we’re only recommending sites with fair usage policies.

Ease of bonus redemption: Jumping through hoops isn’t something you should have to do when accessing sports betting sites with free welcome bonuses. Although you can expect a couple of bonus redemption steps – such as adding a relevant promo code – claiming these deals should never feel like a chore. That’s why we test individual sports betting deals to make sure they’re easy to claim, and that they actually work.

SportsMillions
4.7/5
SportsMillions Review
Get up to 33 Free SC + 7K Gold Coins
T&Cs apply, 18+
Play now
Legendz Casino
4.7/5
Legendz Casino Review
Sign up for 3 SC + 500 Gold Coins FREE and 50% extra on your First Purchase!
T&Cs apply, 18+
Play now
Fliff
4.6/5
Fliff Review
Spend $50, Get up to $100 in Fliff Coins
T&Cs apply, 18+
Play now

Our favorite US betting sites with free bonus offers

Now that you’re up to speed on the key ingredients we look for from sports betting offers, it’s time to jump into our shortlist of recommended social sportbooks that put some brilliant bonuses on the table.

Rebet – Generous bonuses from a sports betting innovator

Rebet
rebet-app-pro-contra-us
Rebet: Pros & Cons
  • Unique social betting features
  • Daily login bonus
  • Community-building app
  • Win real rewards
  • No real customer reviews yet

Rebet has emerged as one of the USA’s fastest-growing sweeps-based sportsbooks, and it’s fair to say that the brand’s bonuses have a lot to do with its enduring success. For instance, make your first (optional) Rebet Coin purchase at Rebet and you can grab up to 100 Rebet Cash for free, giving you plenty of credit to play around with. You can also claim the free welcome offer of 100 Rebet Coins and 1 Rebet Cash. It doesn’t end there, either; we spotted a daily bonus, social media promo drops, exclusive VIP rewards, and additional purchase offers on the site, so you can consider that “rewards returning bettors” box well and truly ticked.

Fliff – An exclusive Fliff bonus code is yours to enjoy

Fliff
fliff reviews
Fliff: Pros & Cons
  • Great welcome bonus
  • Dedicated mobile app
  • Play for fun or cash prizes
  • Great social sportsbook experience
  • Limited payment options
Visit Fliff

Fliff is one of the OG social sports picker apps to barn-storm its way across the USA in recent years, giving users the chance to predict plays and score free tokens that can be exchanged for legit prizes. Based entirely on a mobile app, Fliff incentivizes bettors to sign up thanks to its awesome sign-up bonus, which gives newbies the chance to claim 1,000 Fliff Coins and 1 Fliff Cash for free. Do note that you’ll need to add our exclusive bonus code, BILFLIFF, to claim this offer during Fliff sign-up.

Elsewhere, collecting Fliff Experience Points gives you the chance to swap XP for redeemable tokens, which you can add to your tally of Fliff Cash and exchange for legit prizes – when the right T&Cs are met, of course.

Thrillzz – Get 3,000 Thrillzz Coins and 3 Sweeps Coins as a brand-new player

Thrillzz
Thrillzz Casino
Thrillzz Casino
  • Excellent variety of sports and markets.
  • Free-to-play sports picks.
  • Prize Tickets redeemable for real cash.
  • Loyalty points and rewards.
  • Apps for Android and iOS devices.
  • No desktop version available.
  • Some state restrictions.
Visit Thrillzz

Download the Thrillzz app and register for a free account and before you know it, you’ll be sitting pretty with a pile of 3,000 Thrillzz Coins and 3 Sweeps Coins – a tempting welcome bonus by any standard. These free tokens are the same as those you would find on sweepstakes casino sites, with Thrillzz Coins acting as just-for-fun play tokens and Thrillzz Sweeps being the brand’s redeemable asset.

Besides the welcome bonus, there are other ways to pick up more free coins at Thrillzz, so the free bonuses keep on coming here. Among the deals available, I found loyalty level offers, leaderboard promotions, and refer-a-friend deals to be some of the most rewarding on the Thrillzz mobile app.

SportsMillions – The best of sweepstakes sports picks and casino action in one place

SportsMillions
sportsmillions-pro-contra
Pros & Cons of SportsMillions Casino
  • Free-to-play model
  • Sweepstakes Coins can be redeemed for cash prizes
  • Both DFS and casino-style games available
  • Daily bonuses and ongoing promotions available
  • Not available in all US states
Visit SportsMillions

It seems SportsMillions has set out to conquer the social sweepstakes gaming arena, marrying the best of social sports picking and just-for-fun casino play within a single platform. With 800+ Vegas-style games and a fully-fledged social sportsbook on board, you might not need any further incentive to sign up and play here. But, happily, the rewards come regardless, with SportsMillions offering up to 1,000 Gold Coins and 3 Sweeps Coins to all new sign-ups, plus a first-time purchase bonus on its “Pick’Em” welcome offer.

Legendz – A new “do-it-all” sweepstakes gaming platform

Legendz Casino
Legendz social casino
Legendz: Pros & Cons
  • Impressive welcome bonus
  • Intuitive desktop and mobile sites
  • No purchase necessary
  • Legal in 46 US states
  • High prize redemption limits
Visit Legendz Casino

New to the web as of late 2024, Legendz has taken a similar approach to SportsMillions in that it bridges the gap between social casino and sportsbook play. Players can cherrypick from hundreds of top Vegas-style games before hopping over to a realistic social sportsbook to place their “picks” on a full range of real sports fixtures and events from around the globe. Although there doesn’t seem to be a permanent free sign up bonus here yet, players can score an awesome welcome bonus worth 500 GC, 3 SC, and 10% extra free coins on their first GC purchase.

Kickr – A tried-and-tested site with a massive welcome bonus up for grabs

Kickr
Kickr social casino
Kickr Sportsbook: Pros & Cons
  • Daily login bonus available
  • Available in 46 US states
  • Four Bucks mail-in bonus
  • Purchase bonuses are available
  • Small game library
Visit Kickr

If you’re on the hunt for betting sites with free bonus offers, you’d be hard-pressed to find a deal that’s better than the Kickr welcome bonus. Launched in 2013 and offering a combination of social sports and casino gaming, Kickr puts up to 150,000 Bits and 4 Bucks on the table for all new sign-ups, making it one of the most generous brands on our shortlist. It’s worth noting that “Bits” are equivalent to Gold Coins found on comparable sweepstakes gaming sites, while “Bucks” are the same as Sweeps Coins – meaning they can be exchanged for real prizes when certain conditions are met.

Sportzino – Pick up a TON of free coins as a new Sportzino player

Sportzino
Sportzino main
Sportzino: Pros & Cons
  • Top welcome promotion
  • All-in-one social sportsbook and casino
  • Realistic sports betting experience
  • No table games
Visit Sportzino

We hope you’re paying attention because the Sportzino welcome bonus is one of the most lucrative deals in this shortlist – although it’s fair to say that you will have to work for it. Sportzino puts a grand total of 170,000 Gold Coins and 7 SC on the table for all new members, even if you have to put a little legwork in before you can unlock the full treasure chest of coins. For example, registering for an account grants you 20,000 Gold Coins and 1 SC, while subsequent actions – like connecting your account to Facebook – mean you can unlock even more loot. There are plenty of deals on the table for returning players, too, including daily bonuses, friend referrals, and GC purchase deals.

Comparing the welcome offers at free sign-up bonus betting sites

Struggling to decide which brand on your shortlist to choose? We won’t judge if you want to base your decision on the size of a brand’s welcome bonus, so check out our side-by-side comparison below…

BrandWelcome Bonus
Rebet100 Rebet Coins + 1 Rebet Cash
Fliff1,000 Fliff Coins and 1 Fliff Cash
Thrillzz3,000 Thrillzz Coins + 3 Sweeps Coins
SportsMillions1,000 Gold Coins + 3 Sweeps Coins
Legendz500 GC and 3 SC
Kickr150,000 Bits + 4 Bucks
Sportzino170,000 Gold Coins + 7 Sweeps Coins

Check out our top recommendations for free bonus betting sites

Take it from us: you can’t afford not to track down the best free bonus betting sites before signing up with a particular brand. Sports betting with free bonus and no deposit is at its best when you have a steady stockpile of free coins and play credits – exactly the kind of perks that the web’s best social sportsbook and casino promos offers.

Of course, you do need to bear T&Cs in mind when accessing free casino and sportsbook bonuses online, as things like playthrough requirements, time limits, and max SC redemption restrictions can impact your experience. Nevertheless, so long as you bear the small print in mind, there’s plenty of fun and thrills to be had here.

Top-rated sports betting bonuses for 2025

Bet365
1.
4.6/5
Get $150 in Bonus Bets Win or Lose when you bet $5!
Virginia
Players from Virginia accepted
Requirements (WR): 1x Bonus, Min. Deposit: $10
Subject to meeting qualifying criteria. Minimum wager $5. Minimum odds -500 or greater. $10 minimum deposit. Paid in Bonus Bets. Bonus Bets wager excluded from returns. New customers only. Available in app only. Max. prize, game restrictions, time limits and T&Cs apply. Deposit required. Bonus Bets wager excluded from returns. T&Cs, time limits and exclusions apply.Gambling Problem? Call 1-800-Gambler 21+
BetMGM
2.
4.6/5
Up To $1500 in Bonus Bets Paid Back if your First Bet Does Not Win
Virginia
Players from Virginia accepted
Min. Deposit: $10
FanDuel
3.
4.5/5
Bet $5 Get $150 in Bonus Bets If Your Bet Wins!
Virginia
Players from Virginia accepted
Requirements (WR): 1x Deposit, Min. Deposit: $10
Caesars
4.
4.5/5
First bet back as a bonus bet up to $1000
Virginia
Players from Virginia accepted
Requirements (WR): 1x Deposit
DraftKings
5.
4.5/5
Bet $5, Get $200 in Bonus Bets Instantly!
Virginia
Players from Virginia accepted
Requirements (WR): 1x Bonus, Min. Deposit: 5

Betting sites with free bonus FAQs

🎁 Which betting sites offer free bonuses?

Most social sportsbook and casino sites in the USA offer free bonuses to new and returning players as a way to incentivize sign-ups and ensure that repeat customers stick around. Expect free coins and other goodies when you join one of our shortlisted sites.

📜 Do you need a promo code to get free welcome bonuses?

Sometimes, yes. We’ll endeavor to let you know when a bonus code applies to a specific promo highlighted on our site.

🔍 What are playthrough requirements?

Playthrough requirements indicate how many times you’ll need to play through a particular bonus before you can redeem any bonus SC winnings for real prizes. For instance, if a welcome bonus has a 1x playthrough requirement, you would need to use bonus Sweeps Coins at least once before they qualify for redemption.

Our Team
Sara Jane Gamelli
Sara Jane Gamelli
Writer | Bettor
Sadonna Price
Sadonna Price
Editor | Writer
John Carlo A. Villaruel
John Carlo A. Villaruel
Sports Writer
Kenny Ducey
Kenny Ducey
Sports Reporter | Capper
Ronnie Flores
Ronnie Flores
Editor | Senior Writer
David Astramskas (Redapples)
David Astramskas (Redapples)
Editor | Senior Writer
Joseph Scalise
Joseph Scalise
Editor | Writer
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