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AUTHOR: Marcus Lawrence · Updated: 24th Aug 2021

Online Casino Promo Codes US – The Best Bonus Code Offers

Whether you enjoy a stint at the table, fancy your chances at the roulette wheel, or love to spin the slots, you’ll want to take advantage of online casino promo codes. Offering every casino bonus offer under the sun, promo codes are a handy, exciting, and much-loved handout in the world of casino betting.

We’ve searched far and wide across all the top US betting sites to find the best online casino promo codes around. Read on to take a look at the best offers available, sign up to a site you like, and make use of those promo codes today.

Finding the Best Online Casino Promo Codes

At GamblingDeals, we aim to streamline your search for the ideal casino site. With experienced gambling experts in our ranks, we’re well-placed to provide accurate, honest, user-focused guidance to help you find everything you need at the right online casino. We get to the heart of the matter, understanding exactly what online gamblers are looking for when they surf the web for a new site. Read on to find out where to find the best online casino promo codes from all the top US casino sites, and how to use them.

How Do We Rank the Best Promo Code Offers?

As gamblers ourselves, we know there are a host of things to consider before signing up to a new casino site. As such, all of the online casinos we recommend are ranked according to various different factors, laying all the facts bare so that users can make an informed choice based on their own casino preferences.

First and foremost, you won’t find a single online casino on our list of recommendations that isn’t licensed by the American Gaming Association (AGA). The AGA is responsible for ensuring player protection and safe gambling, and you should never place a bet at an unlicensed casino. 

We then rank online casinos against a number of important gambling-related experiences – including the player-friendly nature of the site’s terms and conditions, customer service, site design, user experience, and the quality of its promotions and bonus packages.

If an online casino performs well in some areas, but less so in others, our ranking system accounts for that by categorizing casinos into different lists, highlighting each of their specialist areas. This allows our users to quickly and easily find exactly what you’re looking for – from the best no deposit bonus codes to the slickest mobile apps. We’ve got it all here at GamblingDeals. 

What Kinds of Bonuses are Offered with Promo Codes?

Each promo code is different, and there are a range of bonuses that might arise from them. Let’s take a look at some you might come across with a promo code.

Matched Deposits

Matched deposits are an offer by the online casino to equal a percentage of your deposit up to a certain specified amount. Let’s say you deposited $50 following a matched deposit bonus of 100% up to $50, you’ll see an additional $50 appear in your account at the casino’s expense to bring your funds to a total of $100.

No Deposit Bonuses

With a no deposit promo code, casino sites boost your funds without the need to make a deposit. Bear in mind that these bonuses often have steep wagering requirements attached, so be sure to read the terms and conditions.

Free Spins

Free spin bonuses are handy for gamblers who like to play video slots. These bonuses are usually unlocked following a minimum deposit, and an example you might see could be an offer of 100 free spins when you deposit $20. 

Reload Bonuses

A lot of attention is paid to welcome bonus offers at online casinos, but remember that reload bonuses also pay dividends. Reload bonuses are offered to existing players when they make a deposit. Casinos often boost what’s on offer over time, meaning the reload bonuses can become more valuable in line with your continued play.

Where Can I Find a Casino Bonus Code?

Casino sites utilize lots of different methods to make sure their bonus codes reach as many potential customers as possible. You’ll see them advertised on TV, in email newsletters, as referrals from friends already signed up to a site, or as part of ongoing promotions to existing players. All of these methods are legitimate, but only consider capitalizing on them when sober and of sound mind. 

Where to Start When Looking for Promo Codes in the US

There are a number of important considerations to be made before committing to a promo code, and the attraction of each offer comes down to a matter of preference – while some won’t like the idea of wagering requirements, others will be more concerned with winnings caps. Here are some factors to be mindful of. 

What’s on Offer?

This might sound obvious, but finding out exactly what’s on offer is essential, as all casino bonuses live and die by their terms and conditions. If these are misunderstood or aren’t properly read, then the bonus can become a disappointment. To determine the true value of the promo code, think beyond its monetary worth and weigh up all of its T&Cs. 

What are the Wagering Requirements?

Wagering requirements are a calculation of how much needs to be wagered before a bonus can start bringing home some winnings. This calculation is usually somewhere between 25-35x the value of your stake, but can be higher or lower.

For example, if a promo code gives you $50 in free bets, with a wagering requirement of 25, you’d have to wager a total of $1,250 (50 x 25) before you could withdraw any of the winnings connected to the free bets. 

Is There a Winnings Cap?

If you’re hoping to enjoy your bonus code at the blackjack table, be aware that winning caps restrict the amount you’re able to win on one casino game. Caps are usually set at a decent limit, but can be a bust if you’re on a hot streak. 

Is There a Time Limit?

Time limits often go hand-in-hand with wagering requirements, putting players in a race against the clock to satisfy the conditions of the bonus. If you don’t manage to do this before the time limit, your bonus will unfortunately become void.

How to Claim a Promo Code Offer

Follow this simple step-by-step guide to claim a casino promo code offer.

  1. Consult our list of recommendations for the best US online casino promo codes around
  2. Click through to a site you like the look of
  3. Sign up by entering your personal information – including your name, email address, and banking details – before making your first deposit in line with the conditions of the promo code offer
  4. Enter your promo code and claim your bonus
  5. Place your first wager!

How to Turn Promo Codes into Cash

Promo codes––and any other type of casino bonus––will only be converted into real money when they’re used effectively. Of course, there are no guarantees in gambling, but there are steps you can take to give yourself the best possible chance at turning a promo code into cold hard cash. The first is to always make sure you’re placing a bet with a sober and clear head.

The next step is to read all the various terms and conditions. No one likes doing it, but failing to do so could cause you to end up with nasty surprises and a wasted promo code, particularly if you ignore those troublesome wagering requirements and time limits.

Finally, use your promo code on a casino game you’re familiar with. If you play a lot of poker, then the Texas Hold’em table is probably well-suited to you. Alternatively, you might view the promo code bonus as a free shot to branch out into new territories – if that’s the case, then make sure you first research the game you’re looking to play, and are clued up on all the rules.

Promo Code Banking Options

US casino sites now offer customers a bunch of different payment options. Let’s take a look at the benefits and drawbacks of each.

Debit and Credit Cards

By far the most common option, debit and credit card payments are accepted at all US online casinos. There are high limits on deposits and withdrawals, but payment times tend to be considerably slower than other options – withdrawals can take up to five working days before appearing in your account, which might put off those looking to make quick bets.

PayPal and Other E-Wallets

An increasingly popular option at online casinos, e-wallets offer high deposit and withdrawal limits, fast––or even instant––payment times, and can link to multiple bank accounts. PayPal are the leaders in the e-wallet space, but Neteller and Skrill are good alternatives offering a similar service. 


Like the idea of placing a bet with a cryptocurrency? More and more online casinos are adding cryptocurrencies to the payment menu, with Bitcoin the most recognized and widely accepted. There are no third-parties involved in cryptocurrency transactions, making payments secure, and there are generally high limits on deposits and withdrawals along with instant payment times for both. If you’re interested in this method, make sure you conduct some research first, as cryptocurrencies are highly volatile, and aren’t considered as economically safe as other options.

Wire Transfers

Wire transfers work in the same way as bank transfers but on a quicker scale. Funds are transferred between accounts instantly, but you may incur a small fee for any transactions.

Are Promo Codes Safe to Use?

At GamblingDeals, we only recommend online casinos that hold a license from the AGA, meaning that any promo codes you find on our site are 100% safe to use. However, US gambling laws restrict online gambling to the following states: California, Delaware, Illinois, Indiana, Iowa, Nevada, New Hampshire, New Jersey, Pennsylvania, Rhode Island, and West Virginia. It’s against the law to place an online bet outside of these states, and from a casino not licensed in any of these states.

Can I Use Promo Codes on My Smartphone?

Unless there’s a restriction preventing it in the terms and conditions, promo code bonuses are redeemable on all mobile devices. Take full advantage of this by accessing your online casino on its mobile-optimized web page, or by downloading its native app. We always recommend the latter if it’s available to you – mobile casino apps deliver a great user experience, allow bets to be placed on the go, and the push notifications mean you’ll never miss a promo code.

Ready to Claim a Promo Code?

If we’ve answered all of your questions, you’re likely feeling ready to get started. Browse our list of the best promo codes for online casinos, click through to a site you like, and claim your first promo code!

Frequently Asked Questions

  • Can a promo code be used in conjunction with another welcome bonus offer?

    Yes – welcome bonuses tend to be generous, so you may find that your promo code is just one part of a welcome package.

  • What should I do if my bonus code doesn’t work?

    If your bonus code doesn’t work, contact your online casino’s customer support team.

  • Can I win real money with a bonus code?

    Yes – as long as you satisfy all the conditions of the bonus.

  • Can I get a promo code for referring a friend?

    Yes – there are lots of ways online casinos offer promo codes, and referring friends is one of them.

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