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Best Casino Welcome Bonus 2025

Welcome Bonuses, or sign-up bonuses, are a form of casino bonus that is given out to new players who join an online gambling site and are used to attract and reward the players. This is one of the biggest advantages casinos have over their land-based siblings, as these don’t normally reward new players. A sign up bonus can be a great way to get players to enjoy a casino initially, without having to deposit vast sums of cash into their casino accounts.

Find the most trusted online gambling sites with Casino US, where players will find the very best welcome bonuses casinos have to offer.

Accepts players from: United States

Updated: 07th May, 2025

Ranking For Best Casino Welcome Bonus

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Best Welcome Bonus Casinos 2025

#1 US TRUSTED
1
Players from US allowed Exclusive New Vegas Aces 250% Bonus up to US$5,000 200 Free Spins
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Min deposit US$10 Wager 10x B+D Payout 99% Date Added 6 Feb 2025
  • Vegas Aces Facts

    • Established 2023
    • Top Online Casino USA
    • Real Money Jackpots
    • 24/7 Online Support
  • Exciting Features

    • Casino Academy
    • Progressive Jackpots
    • Live Dealer Games
    • Loyalty Program
  • Games

    • Slots
    • Table Games
    • Live Casino
    • Specialty Games
  • Promotions

    • Welcome Bonus: 250% bonus
    • Re-Up Bonuses
    • 10% Weekly Rebate
    • Game of the Week
2
Players from US allowed Exclusive Wild Casino 350% Bonus up to US$3,500
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Min deposit US$25 Wager 40x B+D Payout 99% Date Added 11 March 2025
  • Wild Casino Facts

    • Established: 2017
    • Real Money Online Casino USA
    • Crypto-Friendly Platform
    • 24/7 Online Support
    • Platform: Desktop & Mobile
  • Exciting Features

    • Progressive Jackpots
    • Tournaments
    • Secure Transactions
    • Loyalty Program
    • Virtual Sports
  • Games

    • Slots
    • Blackjack
    • Table Games
    • Live Casino
    • Specialty Games
  • Promotions

    • Total Games: 300+
    • Slots
    • Table Games
    • Live Casino
    • Specialty Games
3
Players from US allowed Exclusive Sun Palace Casino US$10 000 Match Bonus
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Min deposit US$25 Wager 45x B+D Payout 98% Date Added 6 Sep 2023
  • Sun Palace Casino Facts

    • Established: 2002
    • Best US Online Casino
    • Total Games: 200+
    • Software Provider: Real Time Gaming (RTG)
    • Platform: Desktop & Mobile
  • Exciting Features

    • Crypto-Friendly Platform
    • Progressive Jackpots
    • New Games Monthly
    • Mobile Compatibility
    • Free Spins
  • Games

    • Total Games: 200+
    • Slots
    • Table Games
    • Video Poker
    • Specialty Games
  • Promotions

    • Welcome Bonus: 150% up to $10,000
    • No Deposit Bonus: $35 free chip
    • Weekly Cashback: 20%
    • Monthly Bonus
    • Loyalty Rewards
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Players from US allowed Exclusive New Las Vegas 50 Free Spins on Slots
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Min deposit Free Wager 40x B Payout 98% Date Added 31 Jan 2025
  • Las Vegas Casino Facts

    • Established: 2002
    • Top Rated Online Casino in the US
    • Total Games: 200+
    • Reliable 24/7 Online Support
    • Platform: Desktop & Mobile
  • Exciting Features

    • Cryptocurrency Support
    • Extensive Progressive Jackpots
    • Wagering Requirements: 30x
    • Las Vegas USA Loyalty Program
    • Security Measures: 128-bit SSL encryption
  • Games

    • Total Games: 200+
    • Slots
    • Video Poker
    • Table Games
    • Live Dealer Games
  • Promotions

    • Welcome Bonus: 50 Free Spins
    • Monday Cashback Bonus
    • Weekly Reward: $1000
    • Season Bonus
    • Anniversary Bonus
5
Players from US allowed Exclusive Lucky Hippo Casino 300% Bonus up to US$3,000 on Cash Bandits 3
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Min deposit US$25 Wager 30x B+D Payout 98% Date Added 6 Sep 2023
  • Lucky Hippo Facts

    • Established: 2018
    • Top US Rated Online Casino
    • Software Provider: Real Time Gaming (RTG)
    • Platform: Desktop & Mobile
    • 24/7 Friendly Online Support
  • Exciting Features

    • Tournaments
    • Free Play
    • Crypto-Friendly
    • Secure Transactions
    • Multiple Banking Options
  • Games

    • Total Games: 250+
    • Slots
    • Video Poker
    • Table Games
    • Live Dealer Games
  • Promotions

    • Welcome Bonus: 300% Bonus
    • No Deposit Bonus
    • Season Bonus
    • Birthday Bonus
    • VIP Program
6
Players from US allowed High Country 500% Bonus up to US$2,500 on Cash Bandits 2
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Min deposit US$20 Wager 30x B+D Payout 97% Date Added 6 Sep 2023
  • High Country Facts

    • Established: 2020
    • Legit Online Casino in the USA
    • Software Providers: RTG,Visionary iGaming
    • Software Provider: Real Time Gaming (RTG)
    • Platform: Desktop & Mobile
  • Exciting Features

    • Free Game Trial
    • Slots Tournament
    • Crypto-Friendly Platform
    • Secure Transactions
    • Free Mobile App
  • Games

    • Total Games: 500+
    • Slots
    • Table Games
    • Video Poker
    • Specialty Games
  • Promotions

    • Welcome Bonus: 150% up to $10,000
    • No Deposit Bonus: $35 free chip
    • Weekly Cashback: 20%
    • Monthly Bonus
    • Loyalty Rewards

How does a Welcome Bonus work?

Many players who are new to the online gambling world may be wondering just how a casino welcome bonus works. In truth, it couldn’t be easier. A player must create an account with an online gaming platform, and they’ll be eligible for the Welcome Bonus.

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The casino will inform players of what they need to do to claim the casino’s sign up bonus, normally making several deposits into their casino account. As these deposits are made, the top payout online casino will give the player their bonus.

Top 10 Welcome Bonuses

Most casino sites offer a welcome bonus, but how do you choose the best sign up bonus? With so many options out there, this can be difficult for players. To make it easier, we have created a list of the 10 best sign up bonuses at recommended casino sites. To create this list, our team looked at the size of the welcome bonus, as well as the wagering requirements.

1 – Sun Palace Casino

Sun Palace offers the largest welcome bonus in our top 10 list. Players can claim up to $ 10,000, with wagering requirements sitting between 40 and 50x.

There are several bonuses for players to claim, and they can claim all of them if they want. This also includes a bonus code for 20 free spins. Players need to make a minimum deposit of $25 for the bonus codes to apply.

  • Welcome Bonus: $10 000
  • Bonus Code: SP200
  • Wagering Requirement: 40 – 50x
  • Free Spins: 20 Free Spins

2 – BoVegas Casino

BoVegas has a very competitive welcome bonus on offer for new players. This is why it is so high up on our top 10 sign-up bonuses list. Players can claim up to $6000 as part of the sign up bonus, which includes 25 free spins.

  • Welcome Bonus: $6000
  • Bonus Code: NEVADA300
  • Wagering Requirement: 50x
  • Free Spins: 25 Free Spins

3 – Café Casino

Café Casino offers players up to $5000 on their first deposit, with a very reasonable 35x wagering requirement.

There is also a $1000 welcome bonus with no max cashout and a 25x wagering requirement. Players can choose one or the other. There are no free spins. Though.

  • Welcome Bonus: $5000
  • Bonus Code: CAFE500
  • Wagering Requirement: 25 – 35x
  • Free Spins: No Free Spins

4 – Las Vegas USA Casino

Las Vegas USA Casino offers new players up to $5000 for signing up at the casino. The wagering requirement ranges from 40 to 50x, depending on the bonus code used. The minimum deposit amount is $25, but there are no free spins as part of the welcome bonus.

  • Welcome Bonus: $5000
  • Bonus Code: LVUSA200
  • Wagering Requirement: 40 – 50x
  • Free Spins: No

5 – Crypto Reels Casino

Crypto Reels Casino has a great sign up bonus package available for new players. There is up to $4500 up for grabs, plus an additional $75 for free if you deposit using Bitcoin. There are no free spins in the welcome bonus though, however, you can get free spins as part of the casino’s daily promotions.

  • Welcome Bonus: $4500
  • Bonus Code: WELCOMECRYPTO
  • Wagering Requirement: 40 – 50x
  • Free Spins: No Free Spins

6 – All Star Slots Casino

All Star Slots Casino also has a great welcome bonus package on offer for players just signing up to the site. There is a 400% bonus up to $4000 with a 50x wagering requirement. Unfortunately, the welcome bonus does not include any free spins.

  • Welcome Bonus: $4000
  • Bonus Code: ALLSTAR1
  • Wagering Requirement: 50x
  • Free Spins: No Free Spins

7 – Slots of Vegas Casino

Slots of Vegas has an incredible welcome bonus package of $4000 for new players. This may not seem too special until you see there is only a 5x wagering requirement on the bonus. The minimum deposit amount is $30, and there are up to 35 free spins up for grabs.

  • Welcome Bonus: $4000
  • Bonus Code: NEW250
  • Wagering Requirement: 5 – 30x
  • Free Spins: 35 Free Spins

8 – Irish Luck Casino

New players signing up at Irish Luck Casino will get a great welcome bonus on their first two deposits, up to $3000. The wagering requirement is set at 40x and the minimum deposit is $25. Sadly, there are no free spins as part of the welcome bonus package.

  • Welcome Bonus: $3000
  • Bonus Code: LUCK300
  • Wagering Requirement: 40x
  • Free Spins: No Free Spins

9 – Old Havana Casino

Old Havana lets new players claim up to $2500 with their welcome bonus, with 40x playthrough requirements. The welcome bonus spans the player’s first two deposits, but there are no free spins included. However, free spins can be found in the casino’s weekly promotions.

  • Welcome Bonus: $2500
  • Bonus Code: Havana200
  • Wagering Requirement: 40x
  • Free Spins: No Free Spins

10 – Red Dog Casino

Rounding out our list of top 10 welcome bonuses is Red Dog Casino. Players can get a 225% sign up bonus on their first deposit, up to $2250. There’s also an extra $20 available if you deposit using Bitcoin.

The minimum deposit ranges from $20 to $30, depending on the deposit method used. There are no free spins available in the welcome bonus, but there are free spins on offer in the Game of the Month promotion.

  • Welcome Bonus: $2250
  • Bonus Code: WAGGINGTAILS
  • Wagering Requirement: 35x
  • Free Spins: No Free Spins

Types of Welcome Bonus

Understanding the various free spins offers can help you select the best ones.

Deposit Match Bonus

The first way a casino will make up its welcome bonus is with a deposit match bonus. As the name suggests, this is when the casino will match a deposit made by the player. This is normally the first part of a welcome bonus.

A casino will normally say something like 100% Bonus up to $1000, meaning that a player can deposit up to $1000 and they’ll receive another $1000 to play with, doubling the amount in their account. If you deposit $700, you’ll receive an additional $700, however, if you deposit $1500 into your account, you’ll still only receive $1000 extra.

Percentage Deposit Bonus

The bulk of the welcome bonus will be made up of percentage deposit bonuses. These bonuses work almost identically to the deposit match bonus mentioned above. However, the casino won’t match your deposits, rather giving you a percentage as a bonus.

The percentage can vary, but the most common variants are 75%, 50%, and 25%. In some cases, casinos can even offer over 100%, like 200% or more, doubling your initial deposit with the casino.

Percentage Deposit Bonuses would look like this:

  • 75% Deposit Bonus up to $200
  • 50% Deposit Bonus up to $100

Free Spins

Another bonus type that many casinos love to use these days is free spins. Typically, these will be given away when a player makes their first deposit. Normally a gambling site will specify which online slots these free spins can be used on, and this also helps an Internet casino to promote new slot games.

welcome-bonus

Tips for choosing a Welcome Bonus

Because almost all casinos will offer a welcome bonus to new players, there are hundreds to choose from. This can make choosing a casino site an even more daunting task. Below are some helpful hints that will hopefully help players choose the best sign up bonus that will suit their needs.

  • In most cases, bigger is better. Players should keep an eye out for the welcome bonuses that offer the most in terms of monetary value and free spins. However, don’t simply go out and choose the biggest bonus, as there can be other factors.
  • Pay attention to the wagering requirements. Big welcome bonuses can sometimes come with even bigger wagering requirements.
  • Always try to deposit the maximum you can on each deposit. If the sign-up bonus says 100% up to $100, try and deposit the $100, so you don’t lose out on any of the bonus.
  • Nothing is stopping you from claiming multiple welcome bonuses. However, you’ll need to join a few casinos to do so.
  • Find one that meets your online gambling needs. If you’re a player who enjoys table games, a welcome casino bonus that gives you 100s of free spins for slot games might not be worth it for you.4

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Welcome Bonus Wagering Requirements

When it comes to welcome bonuses, you need to pay attention to the wagering requirements. Wagering requirements have been put in place by casinos to protect themselves from players who would abuse the system. Imagine if a player could claim a $1000 bonus and then simply cash it out and never return to the casino. They’d all go out of business tomorrow.

This is where the wagering requirement comes in. In essence, it will ensure a player needs to wager the bonus a certain number of times before the bonus can be cashed out. In most cases, the wagering requirement will be around 40x, but it can be higher or lower.

If you claim a $100 bonus fund with a 40x wagering requirement, it will mean that a player will have to wager $4000 before they can cash out that deposit. Players will also need to keep in mind that some games are more towards the wagering requirement than others. Online slots will count 100%, but some table games may only count 10%.

Players need to understand what terms they’re accepting before claiming a sign up bonus. In many cases, when you hear about a player calling a casino a fraud it is often because they accepted the welcome bonus amount without knowing the terms and conditions.

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Kylie Johnston

About Kylie Johnston

Kylie Johnston is a seasoned expert in online casino gaming and the Content Editor at Casino US. With a background in journalism and certifications in digital marketing and SEO, she blends engaging content creation with in-depth industry knowledge. Her expertise spans slots, table games, and emerging casino trends, making complex topics accessible to all players. Kylie's passion for gaming extends beyond work—she enjoys local poker nights and stays ahead of industry trends through conferences. Her work at Casino US helps educate, inform, and connect the online gambling community.