Best Online Casino Bonus Offers in the US (October)

Today’s Top Welcome Bonuses – Updated October 30th, 2025

We regularly update our casino bonus page with the latest offers from both well-known brands and new online casino sites, making it easy to compare and choose the sign-up bonus that best suits your needs.

*All bonuses are verified and available to players in legal US states, including New Jersey, Pennsylvania, Michigan, and West Virginia. T&Cs apply.

Are Casino Bonuses Worth It?

Claiming casino sign-up bonuses gives you extra funds to play with, increasing your chances of winning without risking as much of your own money.

Even if you don’t win, the extended playtime allows you to enjoy more of the casino experience without significantly affecting your bankroll.

Additionally, these bonuses offer an opportunity to test out a casino, experiment with new games and get familiar with bonus requirements. This experience can help you better understand how to maximise future bonuses at other casinos.

Popular Types of Casino Bonuses in the US

To make things easy, we’ve rounded up the top casino bonuses in each popular category, based on Gambling.com user reviews.

No Deposit Bonuses

As the name suggests, no deposit bonuses don’t require a deposit. In the US, they often come as free spins on popular slot games or bonus cash you can use on a variety of games. Simply sign up, and the bonus will be added to your account. Here's the best offers right now:

*T&Cs apply

Low Wagering Match Bonuses

Deposit-match bonuses give you extra funds based on your first deposit but most come with wagering requirements. Low wagering offers (10x or less) are easier to clear, giving you a better shot at turning bonus money into withdrawable cash. Check out our top choices below:

*T&Cs apply

Cashback Bonuses

Cashback bonuses offer players a percentage of their overall losses back over a set period - whether daily, weekly or monthly. For example, if you lose $100 during a given week, a 10% cashback bonus would return $10 to your casino account. Here are our favorites right now:

*T&Cs apply

Casino App Promos

As more casinos move toward app-only experiences, some bonuses are now designed specifically for mobile players. These mobile-exclusive offers often reward you for downloading the casino app or playing directly on your phone, with extra credits or free spins up for grabs. Here are our top picks:

*T&Cs apply

Casino Offers for Existing Players

Casino bonuses aren't just for new customers, they're also used to encourage existing players to stay engaged and keep playing. Some common types of offers for existing players include:

Reload Bonuses

Reload bonuses are ongoing promotions that reward players for depositing beyond their welcome offer. They usually come as a percentage match or free spins and may be available daily, weekly, or monthly, often tied to special events.

Seasonal Bonuses

Casinos frequently run themed promotions around holidays or events. Offers like Halloween free spins or Christmas deposit matches keep gameplay engaging and vary throughout the year.

Cashback Offers

Cashback reduces losses by returning a percentage of money wagered over a set period. Typically credited weekly or monthly, cashback may be given as bonus funds or, in some cases, withdrawable cash.

VIP Programs

Frequent players can benefit from tiered loyalty systems and VIP clubs. Perks include faster withdrawals, personal account managers, exclusive tournaments, and rewards tailored to individual playing habits.

How to Calculate Casino Bonuses Online

Calculating casino bonuses is straightforward once you understand the basics. The formulas below will help you estimate your potential returns from welcome offers, cashback deals, loyalty programs, and more.

1. Deposit Free Bonuses

Formula: Sign-up + Verification = Reward

A no-deposit bonus is one of the simplest offers to calculate because it doesn’t depend on how much you spend. You’ll receive a fixed reward (usually free spins or bonus credits just for registering or completing verification.

2. Deposit Bonus

Formula: Deposit Amount + Deposit Bonus Multiplier = Reward

Deposit-match offers give you extra funds based on how much you deposit. For example, Caesars Casino offers a 100% match up to $2,500. If you deposit $250, you’ll receive another $250 in bonus funds, giving you $500 total to play with.

3. Free Spins Bonus

Formula: Action + Free Spin Bonus = Reward

Free-spin bonuses let you play specific slot games for free. The value of each spin and the number of spins are fixed, so your potential return depends on the game’s RTP and your results.
So, if you deposit $10 and receive 50 free spins on Starburst winnings may be paid as bonus cash with a 1x to 10x wagering requirement.

4. Cashback Bonus

Formula: Wager - Wins + Cashback % = Reward

Cashback offers return a percentage of your net losses. If you wager $500 and win $300, your net loss is $200. With a 10% cashback offer, you’ll receive $20 back ($200 × 0.10).

5. Loyalty Rewards

Formula: Action + Points = Rewards

Loyalty programs reward consistent play. You earn points based on your wagers, which can unlock bonuses, VIP perks, or bonus cash. For example, under Caesars Rewards:

• $10 wagered on slots = 1 point
• $25 wagered on video poker = 1 point
• $50 wagered on blackjack = 1 point

As you collect points, you progress through VIP tiers and can convert points to cash or credits.

How to Withdraw Your Casino Bonus

When it comes to withdrawing you bonus, it's important to understand that bonuses are paid out in different ways.

Here are the four most common bonus structures:

Sticky Bonus

Perhaps the most common and straightforward casino bonus, it's called 'sticky' because the bonus is 'stuck' to your account and cannot be withdrawn. Your deposit and bonus amounts are combined into a single account balance.

Pros: You can play longer using ‘house money’, extending your gameplay.

Cons: The bonus amount cannot be withdrawn at any point - it’s strictly for wagering purposes.

Example casino bonus site: Golden Nugget

Parachute Bonus

This bonus splits your balance into available (deposit) funds and restricted (bonus) funds.

The bonus funds become accessible only after your deposit funds are depleted and they can only be withdrawn once you meet the specified wagering requirements.

It’s called a parachute bonus because the bonus "deploys" only when needed, offering you a second chance to keep playing.

Pros: You can withdraw 100% of your winnings without having to meet wagering requirements, as long as the bonus hasn’t been activated. If you win a large amount or decide to stop playing, you can forfeit the bonus and withdraw your balance. 

Cons: You can only access the bonus once your real money balance is fully depleted. You may need to deposit additional funds to meet the wagering requirements before you can withdraw the bonus or any related winnings.

Example bonus site: BetMGM

Instalments Bonus

With an instalments bonus, the bonus funds are released incrementally into your main real money account as you fulfil the wagering requirement.

Pros: You benefit from more frequent payouts, receiving bonus amounts while playing, without needing to complete the full wagering requirement.

Cons: You don’t receive the full bonus at once, so continued play is necessary to unlock the entire bonus amount.

Example casino bonus site: Bet365

How to Use Casino Bonuses Responsibly

Casino bonuses can add real value, but only if you choose offers that fit your playing style and limits.
Before claiming, ask yourself these key questions:

• What’s your budget? Stick to deposit amounts you’re comfortable with, and prioritize bonuses with low wagering requirements.
• What games do you play most? Slots usually contribute 100% toward wagering, but table and live dealer games may not.
• Does the bonus support your payment method? Some promotions exclude certain e-wallets or cards — always check the terms.
• Do you have enough time to meet wagering? Choose offers with timeframes that suit your schedule — most bonuses expire in 7–14 days.

Bonus Terms & Conditions to Watch Out For

Below we outline the main factors to consider when choosing a casino bonus.

Bonus Amounts

While larger casino bonuses may seem tempting, they often come with higher wagering requirements, stricter conditions and longer playthrough demands. This means you may need to bet a significant amount before converting the bonus into withdrawable cash.

Smaller bonuses, on the other hand, are typically easier to turn into real money winnings. With lower wagering requirements, they give you a better chance of meeting the terms and successfully withdrawing your profits.

If your goal is to boost your bankroll with minimal risk or enjoy a shorter gaming session, a smaller, more manageable bonus may be the smarter choice.

Wagering Requirements

Most casino welcome bonuses come with wagering requirements, which dictate how many times a player needs to play through a bonus amount before the bonus and any winnings can be withdrawn.

For example, if you receive a $100 bonus with a 30x wagering requirement, you’ll need to wager $3,000 before being eligible to cash out.

It’s important to note that not all games contribute equally to these requirements. Slots typically contribute 100%, while table games and live casino games may contribute less or not at all.

Always ensure you understand the wagering requirements and choose bonuses that fit your budget and playing style.

Maximum Win Limits

Some casino bonuses impose caps on the maximum amount you can win, meaning any winnings beyond this limit will not be withdrawable. For example, some slot sites bonuses may cap winnings at $500 (excluding progressive jackpot wins). Always check the bonus terms for maximum win limits.

Game Restrictions

Many casino bonuses are limited to specific games, meaning you can only use bonus funds or free spins on particular titles chosen by the casino. 

In many cases, casino bonuses are only valid on selected games, as specified in the bonus terms and conditions.

Time Limits

Casino sign-up bonuses are often time-sensitive, with deadlines for using funds or meeting wagering requirements. These deadlines can range from 24 hours to 30 days. Always check these time limits to avoid forfeiting your cash or free spins before completing the necessary playthrough.

Why Players Trust Gambling.com for Casino Bonuses

Choosing Gambling.com for casino bonuses comes down to several key factors:

• Unbiased Expertise: Our review platform is supported by a team of knowledgeable industry experts who provide impartial advice. Their extensive experience ensures that the recommended casino bonuses are based on merit and value, rather than any bias.
• Thorough Assessment: Each casino bonus undergoes a rigorous review process, including real-money testing and a detailed analysis of the terms and conditions. This ensures the information is reliable, and that the bonuses are genuinely worth considering.
• User Feedback: Gambling.com incorporates user reviews into its evaluation process, providing a balanced view of the strengths and weaknesses of various bonuses. This helps create a more accurate picture of what players can expect and value.
• Responsible Gambling: At Gambling.com, player safety and well-being are always prioritised. We emphasise responsible gambling and provide guidance for players who may need assistance.

In essence, we aim to be a trustworthy resource for US players seeking casino bonuses, with responsible gaming always at the forefront.

Find the Best Casino Bonuses in Your State

If you’re playing from Michigan, New Jersey, Pennsylvania, or West Virginia, you can discover the best casino bonuses below. If you’re outside these regulated states, you can check out our social casinos for some great deals that are available across the US.

• Michigan Online Casino Bonuses
• New Jersey Online Casino Bonuses
• Pennsylvania Online Casino Bonuses
• West Virginia Online Casino Bonuses