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Best Online Casino Bonuses & Promo Codes in the US for 2024

Mike J. DaviesBy Mike J. DaviesSenior Editor at Casinos.US Updated: April 1, 2024

Mike is our Senior Editor and experienced gambling strategist. A former hockey player, he transitioned to the casino industry after finishing his B.A. in English. Blackjack systems, online casino guides, gambling terms, and more - Mike is familiar with all fine points of gambling.

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You want to step up your gambling experience by playing with the best online casino bonuses? At Casinos.US, we've analyzed the details of the most preferred deals and promo codes just for you.

Best Online Casino Promos for May 2024

With our selection criteria in hand, our research team has cross-examined the market to find bonuses you can trust. Here are the best online casino bonuses in the US for 2024:

Online CasinoCasino BonusBonus CodePlaythroughLegal InOffer RatingSecure LinkTerms

We've made a comprehensive guide to help you get the most out of the best online casino promos. Along with our safe and legal recommendations, you can read on to find out which terms and conditions to consider, how to claim your bonus, and even calculate bonus payouts.

Why Claim a Casino Bonus

In search of a new place to play or just trying to maximize your gambling budget? Whether you're adventurous or savvy, claiming the right casino bonus could be the answer. After checking the bonus terms and our expert rating for each casino, we're confident that these are the top 5 casino bonuses in the US.

Pay attention to what makes a bonus the best casino promo for you. Whether it's a specific type of bonus or a low playthrough requirement, the rest of our guide will help you find it.

Best Online Casino Bonuses by Category

Just like hot sauce and people, no two bonuses have the same features. That’s why we identified the best online casino bonus offers that stand out in a particular category. You can trust our selection, as we always suggest only safe and licensed online casinos.

We selected bonuses that come from our list of the best online casinos in the US, so that the quality of your casino experience goes beyond the bonus. Looking at our highlights, low wagering requirements are a safe bet, while the exclusivity of codes often leads to bigger bonuses. We've laid out for you other kinds of perks that bonuses can offer further down.

How to Claim a Bonus

The top real money casinos make claiming a bonus easy, but it's still not always so straight-forward as registering at an online casino. We've listed the 14 steps to claiming your promotion to help you orientate yourself. Don't worry though, you can skip steps 1-5 if you've already registered with your chosen casino.

  1. Step Enter your email address
  2. Step Create a password
  3. Step Enter name and personal data
  4. Step Agree to the terms and conditions
  5. Step Activate account
  6. Step Head to the 'promos' section
  7. Step Choose a bonus offer
  8. Step Read the bonus terms and conditions
  9. Step Claim the bonus
  10. Step A no deposit bonus will appear in your account automatically
  11. Step You'll need to make a deposit to trigger a deposit match bonus
  12. Step Consider the play period
  13. Step Meet the playthrough requirements
  14. Step Turn your bonus into real money

How to Choose the Best Online Casino Bonus Offers

Regardless of whether they prepare the best online casino reviews or any other article, our experts use a comprehensive rating process that you can also adopt. When it comes to the best casino bonuses online, you should go over every term and considers things like bonus amount, minimum required deposit, wagering conditions, eligible games and players.

Overall Bonus Amount

Often, the bonus amount is a maximum that can only be activated by a matching deposit. So, if a casino offers a 100% deposit match up to $1,000, then you need to deposit $1,000 of your own money to get the full bonus. If you're a high roller, you may prefer to match the maximum, but you're still benefiting from the bonus when you make a smaller deposit, as long as you’re meeting the minimum deposit amount. Remember that the best gamble you can make is a responsible one.

Terms and Conditions

Losing money because you missed a key part of the terms and conditions sucks. But that doesn't need to be you. At Casinos.US there are 3 things we keep in mind when evaluating if a bonus is worth it. When reading the terms and conditions, take a look at the playthrough requirements, the minimum deposit, and the validity period. You can master these terms to play safely. We dive deeper into these 3 factors below, including how to identify fair playthrough requirements.

Eligible Games

You've probably seen that every bonus has its own list of eligible games. Qualified games vary by what percent of your wager counts towards the wagering requirements. For example, if roulette counts as 20% and you bet $125, then $25 of your bet counts towards the bonus. That may sound a bit harsh, but alternatively we've noticed that the best payout online casinos have a 100% contribution towards the wagering requirements for most slots. Some games aren't eligible at all, so search the terms and conditions to see if your favorite games are exempt before claiming an offer.

Player Eligibility

Whether or not you can claim a bonus depends on if you're already a regular player or a new user. The best online casino promos are often for new users, which is why many players have a diverse portfolio of casinos. Our experts recommend that you compare the regular promos from casinos you've already registered with to promos for new users to find the best bonus you're eligible for.

Legality and State-Specific Offers

Before you claim a bonus, you need to know if you're eligible to play in your state. The legal status of a casino is granted on a state-by-state basis . Our selection of the best online casino bonuses only includes casinos with a legit gambling license. You can see all the bonuses we recommend in states where online gambling have been legalized here:

The Importance of Gambling Responsibly

Anyone can develop an unhealthy relationship to gambling, even you or someone you know. To protect yourself and those you care for, you should know the signs of compulsive gambling[1]. All the casinos we recommend work with local and national organizations to support responsible online gambling. In the US a person can add themselves to a self-exclusion list at the state level to help control compulsive gambling. You can also call or text the national hotline 1-800-GAMBLER for direct contact with support.

Casino Bonus Guide – Understanding Promotional Terms

US online casino bonus guide

The devil's in the details, especially when it comes to terms and conditions. Learn what we look for when evaluating a bonus from the best real money online casinos so that you can be sure you're signing up for a fair deal.

  1. What is the minimum deposit to claim a bonus?
  2. Do you have to use the bonus funds within a certain time frame?
  3. Do you need to enter a bonus code?
  4. What are the playthrough requirements?
  5. Which games are included in the offer?

Understanding the answers to these questions is the key to knowing if you can realistically cash out. We'll give you tips and examples for each of these 5 aspects of promotional terms.

Minimum Deposit

Regardless of whether you play at VIP Preferred online casino websites or anywhere else, you don't have to spend tons of money to play your favorite games. Many bonuses have a low minimum deposit, the smallest amount you can deposit to claim the bonus. For instance, casinos can start as low as $5, which is $10 to play since they have a 100% match. The only downside to this is that you can't take full advantage of the bonus maximum. Also keep an eye out for casinos that even offer no deposit bonuses.

Bonus Validity

The majority of offers require you to use bonus funds within a limited time frame. Watch out for short promotion periods, as they encourage you to spend your bonus in less time. This leads to you having to make another deposit sooner if you want to keep playing. Let's take a promotion period of 7 days. Even if you deposit $20 on a %100 match bonus with a low wagering requirement like 10x, that's still $200 you have to playthrough by the end of the seventh day. If a bonus or playthrough requirement is large enough, and the promotional period is too short, it may be entirely unrealistic for you to be able to cash out.

Playthrough Requirements

US online casino playthrough requirements

You can only withdraw your winnings from a bonus once you've met its playthrough requirements. Also known as wagering requirements, playthrough defines exactly how much money you have to spend before you can cash out. This requirement is expressed as a multiplier, so if a playthrough is 15x and you claim a $100 bonus, you would need to wager $1,500.

If you don't reach the designated amount within the promotion period, you can't withdraw your winnings or deposit. You should avoid offers with playthrough requirements of 50x or more as they are often hard to reach. Another tip to help you identify a fair playthrough: look for games with a RTP above 95% and a high contribution towards your wager on the games you want to play. We'll explain contributions in the next section.

Other Terms You Need to Know

Diving even deeper into bonus terminology will make you a pro. To fully understand if a bonus is worth it, here are other terms you may need to be familiar with.

  • Deposit methods: Some online casinos don't accept certain e-wallet deposits as valid for claiming your bonus. Luckily most online casinos accept PayPal. Check if the deposit methods you can deposit with upon registration at a casino are the same as the ones accepted in the bonus' T&Cs.
  • Player type: High rollers and casual players find that different bonuses fit their criteria. Typically high rollers claim larger bonus amounts and are experienced in identifying realistic terms. If you're a beginner, familiarizing yourself with the different types of players can help you better understand the scene.
  • Cap on winnings: You make $1,000 in winnings but when you go to withdraw, you can only withdraw $500. What happened? While most online casinos that have a max cap on bonus winnings set the limit a lot higher than $500, it's always good to check to see if a limit is set in the bonus terms.
  • State restrictions: Reputable casinos will ask you to verify that you live in the state that the bonus is legal in. Often this verification comes in the form of being asked to upload a photo of your state ID.
  • Game contributions: Before you head to your favorite games, you need to check how much a game contributes to the playthrough requirements. While slots are normally 100%, often baccarat will count as 20%, so if you wager $100 on baccarat only $20 will contribute towards the playthrough requirement set by the casino. Sometimes bonus rounds in slots can be confused for an offer, but free spins and bonus rounds are different [2].
  • Game restrictions: Often listed in a bonus' terms and conditions are also games that have no contribution towards the playthrough requirements at all. Check the list of restricted games so that you don't spend your money unnecessarily.

Types of the Best Online Casino Promos

You can find random lists of casino bonuses all over the internet. But the best casino promos normally stand out in a particular category. Our research team has found the best bonuses by type that fit our criteria for fairness and legitimacy. Here, you can see what we recommend for different kinds of players, budgets, and games.

Bonus Type By Online CasinoCasino OfferBonus CodeType of PlayersOffer LinkTerms
Sign Up BonusBorgata100% up to $1,000 + $20 On Sign UpNot NeededExpertGet Your BonusValid only for new PA players over 21 years of age. Opt-in required. Full T&C's apply.
100% Match BonusBetMGM100% up to $1,000 + $25 Free PlayNot NeededExpertGet Your BonusValid only for new MI players over 21 years of age. Opt-in required. Min. deposit $10. Full T&C's apply.
Free Spins BonusGolden NuggetDeposit $5 Get $50 in Casino CreditsNot NeededAdvancedGet Your BonusValid only for new NJ players over 21 years of age. Bonus offer must be claimed with the first single deposit. Free Spins can only be applied to eligible games. Full T&Cs apply.
No Deposit BonusBetMGM100% up to $1,000 + $25 On the HouseNot NeededBeginnerGet Your BonusValid only for new NJ players over 21 years of age. Opt-in required. Min. deposit $10. Full T&C's apply.
Bonus Code OfferCaesarsUp to $2,500 Deposit MatchIGCA2500AdvancedGet Your BonusMust be 21+ and physically present in MA, PA, NJ and WV only. New users and first deposit. Wager $25+ to receive 2,500 Reward Credits. Full T&Cs and wagering requirements apply.
Live Casino BonusDraftKingsPlay $5, get $50 In Casino CreditsNot NeededExpertGet Your BonusValid for new customers. Must choose 1 offer and opt-in within 7 days (168 hours) of registering a new account. Must deposit min. $5 within 7 days (168 hours) of opting in to earn (a) a 100% deposit match up to $2,000 in Casino Bonus Funds or (b) a 100% deposit match up to $100 Casino Credits. Full T&Cs apply.
Low Wagering BonusBetRiversUp to $500 in Casino Losses BackCASINOBACKBeginnerGet Your BonusNew players only. Min. $10 deposit to quality, CASINOBACK: Bonus money match of casino net losses in first 24 hours of play up to max. designated amount. 1X playthrough requirement on select games. Bonus money expires 30 days from Issuance it playthrough requirement unmet. Full T&Cs apply.
High Roller BonusHard Rock Casino Online100% up to $1,000 + 50 Free SpinsNot NeededBeginnerGet Your Bonus21+, Terms and conditions apply, GAMBLING PROBLEM? CALL 1-800-GAMBLER.
Cashback BonusVirgin CasinoUp to $100 Real Cash BackNot NeededAdvancedGet Your BonusValid only for new NJ players over 21 years of age. Full T&Cs apply.
Slots BonusPokerStars Casino100% up to $600 Deposit Match BonusSTARS600BeginnerGet Your BonusValid only for new NJ players over 21 years of age. Full T&Cs apply.
Blackjack Bonusbet365100% up to $1,000 New Player BonusNot NeededAdvancedGet Your BonusValid only for new NJ players over 21 years of age. Opt-in required. Min. deposit of $10. Full T&Cs apply.
Roulette BonusOcean Online CasinoUp to $1,500 + 50 Free SpinsNot NeededExpertGet Your BonusValid only for new NJ players over 21 years of age. Full T&Cs apply.
Poker BonusBetMGM100% up to $1,000 + $25 On the HouseNot NeededExpertGet Your BonusValid only for new PA players over 21 years of age. Opt-in required. Min. deposit $10. Full T&C's apply.

What Online Casino Bonuses to Avoid

We carefully evaluate our featured online casino bonuses, but we can't say the same for all the bonuses promoted online. 48% of US players have unknowingly played at illegal casinos online [3]. Promotions from illegal sites are not secure or fair. This is our list of red flags that you can use when making your own assessment.

  1. Avoid offers from offshore casinos – These casinos are not on land because they want to avoid state licensing regulations [4]. Since they're unregulated, they can disappear with your money at any time.
  2. Stay away from the impossibly high wagering requirements – Such offers often come with an attractive bonus amount ,but wagering requirements of 50x or more are likely unreachable.
  3. Bonuses that may be impossible to withdraw – While most of the time withdrawal issues are due to unfulfilled terms and conditions, offshore online casinos and low-security casinos have many reported issues of this kind. Check what other players are saying about a casino you're considering.
  4. Promotions with a short validity – Even if you can fulfill the wagering requirement within a short period, it encourages you to spend more over less time, which is more money spent in the long run.
  5. Bonuses with security concerns – Since online casinos are harder to regulate, they can pose higher security risks than land-based ones [5]. The overall security of an online casino is dependent on the strength of their SSL encryption, presence of audit certificates, and their licensing status. It might be hard to research all of these yourself, but luckily we've done that work for you.

Bonus Calculator

Bonuses are a numbers game, so we built a free calculator to help you decide if a bonus is worth it. Just plug in the details to find out if the amount you need to wager is actually more than the free and total play money you receive. A top casino bonus should give you a realistic chance at withdrawing more money than you spend.

Advice from us to make sure the results are accurate: double check if the playthrough requirement is based on just the bonus or the bonus + deposit and select accordingly. It's more common for playthrough to be based on the bonus alone, but some sites base it on the deposit as well, which makes your total wagering requirement larger.

Frequently Asked Questions

In this guide we've gone into detail on everything bonuses, but you might just have a quick question. From the best promotions, to how to claim them, here are our short and sweet answers to your most common questions. But if you're looking for our free bonus calculator, just scroll up.

What are the best online casino bonuses in the US?

At baseline, a good bonus is one that is fair and legit. We evaluate if bonuses meet this bare minimum based on two things - their terms and conditions and if they abide by state regulations. But to us, the best online casino bonuses not only pass, they also stand out above the rest with the perks they provide, whether that's a low wager requirement or a large bonus amount.

Are each of the best online casino promos legal to claim?

For a promo to qualify as a top casino bonus, the casino must be registered and licensed with the relevant state authority. While not every bonus you find online has been verified, we check the license number of the casinos we list to make sure they are all 100% legal.

How can I claim an online casino bonus offer?

You need to complete a number of steps after registering with a casino to turn your bonus into real money. Briefly summarized, you need to check the approved payment methods and other terms and services to make sure you can meet the requirements and then claim your bonus in the promos section. Make sure you activate the bonus you want to claim, otherwise what you play will not contribute towards it.

What are bonus playthrough requirements?

Wagering requirements and playthrough requirements are two terms for the same thing. They refer to how much money you have to spend before you can withdraw your winnings. For instance, if the playthrough is 20x and you claim a $100 bonus, you have to wager $2,000 before you can cash out.

What types of online casino bonuses are there?

Bonuses can be categorized by the budget, game, or type of player. A low wager bonus is an example of a promo that fits a specific budget, while free spins are an example of a promotion for a type of game. Sometimes bonus rounds in slots can be confused for an offer, but free spins and bonus rounds are different.

What payments can I use to make a deposit for an online casino bonus?

You've probably seen that most casinos accept traditional payment methods like Visa and Mastercard. While methods like Applepay and Paypal are also commonly accepted, if you want to use an e-wallet, you should check if a bonus considers a deposit from the wallet you want to use as valid.

Conclusion – Choose from the Best Online Casino Bonuses in the US

In conclusion, we can confidently recommend any of the best casino bonuses online listed in this article. They have fair terms and conditions and attractive bonus amounts. You can claim them without worrying if you'll be ripped off. Make sure to check if there is a promo code you need to do that.

Mike J. Davies
Mike J. DaviesSenior Editor at Casinos.US

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Mike is one of our most senior team members and contributes with over 20 years of experience in the gambling industry. He's our online and land-based casino review expert and a blackjack enthusiast. Mike's a table games strategist and is dedicated to helping you make informed decisions.

More about Mike


  1. Symptoms of a Gambling Disorder (2023), 1-800-Gambler, Retrieved November 21, 2023
  2. M. Gainsbury, S., Hing, N., Delfabbro, P.H., King, D.L. (2014), A taxonomy of gambling and casino games via social media and online technologies, International Gambling Studies, Retrieved November 22 2023
  3. Sizing the Illegal and Unregulated Gaming Markets in the United States (November 2022), American Gaming Association, Retrieved November 24, 2023
  4. How Offshore Operators – and Those Who Support Them – Break U.S. Law (May 31, 2022), American Gaming Association, Retrieved November 24, 2023
  5. McGowan, R. and Brown, T. (2009), Revenue Generation at Casino Resorts: The Use of 'Comp’-Based Promotions, Gaming Law Review and Economics, 13(5), Retrieved November 22 2023