Best Colorado Sportsbook Promos for December 2025

New users can take advantage of Colorado sportsbook promos from a full lineup of top-rated betting apps, each offering unique bonuses to help kick off your Colorado sports betting experience.

With so many Colorado sportsbook promos to choose from, it’s important to know which ones truly stand out. Since bonuses are a key part of how we rate sportsbooks and betting apps, we’ve ranked the top offers based on overall value, ease of use, and how effectively they support a strong start to your Colorado sports betting journey.

BetMGM gives new users one of the best welcome offers in Colorado sports betting. Use BetMGM bonus code SI1500 to unlock a first bet offer worth up to $1,500 in bonus bets. If your initial wager settles as a loss, you’ll receive the full amount back in bonus bets. It's a valuable cushion as you explore top Colorado sportsbook promos and one of the best NFL betting sites.

Before opting in, be sure to review these terms and conditions:

• You must be a new user and at least 21 years old to be eligible.
• A minimum deposit of $10 is required to qualify for the bonus.
• Bonus bets are valid for seven days from the time they are issued.
• If your qualifying wager is $50 or less, you’ll receive a single bonus bet equal to that amount.
• Wagers greater than $50 return five bonus bets, each equal to 20% of your original stake.
• This BetMGM CO promo is available through Feb. 9, 2026.

BetMGM welcome bonus highlights

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Take a deeper dive into the platform with our full BetMGM review, covering everything from app features to betting markets and promotions. The sportsbook is also a top parlay betting site for those who like to stack bets.

The Fanatics Sportsbook promo gives you the option of claiming multiple valuable welcome offers when signing up in Colorado:

• Up to $2,000 in FanCash
• Bet $50, get $250 in FanCash

Up to $2,000 in FanCash

New bettors in Colorado can score up to $2,000 in FanCash by betting on 10 consecutive days. Place a $1+ wager each day, and if you lose, you'll receive up to $200 in FanCash for that day.

• This Fanatics Sportsbook sign-up bonus is for new users only.
• A minimum $10 deposit is required.
• Place a cash wager of between $1 and $200 each day for 10 days. If any of your bets settle as a loss, Fanatics will reimburse you with FanCash.
• You do not have to place a bet on each of the 10 days to remain eligible for this offer.
• There is a minimum odds requirement of -500, meaning you cannot bet on a market with longer odds (e.g., -550, -700, etc.).
• All FanCash Rewards earned from this promotion expire seven days from the date of issuance.
• This Fanatics promo ends on Dec. 31, 2025, at 11:59 PM ET.

Bet $50, get $250 in FanCash

To claim this offer, just wager $50+ cash on any market with odds of -500 or longer within seven days of account opening to receive $250 in FanCash.

Terms and conditions:

• To participate, you must be a new user, 21 years or older, and not have redeemed any other welcome promotion.
• You must deposit at least $10 to get started.
• Place a $10 wager each day for five days. Win or lose, you will receive $50 in FanCash each day.
• The minimum odds requirement for this promotion is -500.
• FanCash granted through this offer expires 365 days after being issued.
• This Fanatics Sportsbook promo is valid through Dec. 31, 2025.

The Fanatics Sportsbook promo gives you the option of claiming multiple valuable welcome offers when signing up in Colorado.

Fanatics Sportsbook welcome bonus highlights

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Get the full scoop on everything you need to know in our complete Fanatics Sportsbook review.

Caesars Sportsbook Colorado is giving new users the chance to kick off their Colorado sports betting journey with an enticing welcome offer. By entering our Caesars Sportsbook promo code SICZR20X, you can deposit $10 and place a $1 bet to unlock 20 100% profit boost tokens, each doubling your potential payout on eligible wagers. It’s a simple way to add extra value to your first bets while exploring the world of Colorado sportsbook promos.

Before claiming this promotion from one of the top college football betting sites, keep these important terms and conditions in mind:

• This offer is available to first-time users who are at least 21 years old.
• You must deposit a minimum of $10 and place a qualifying wager of at least $1.
• Each profit boost token provides a 100% odds boost for eligible bets with a maximum stake of $25.
• Your initial bet must have minimum odds of -10000 or longer.
• Each token can deliver up to $2,500 in boosted winnings.
• Profit boost tokens will expire 14 days after they are credited to your account.
• This Caesars Sportsbook Colorado offer is valid through Dec. 16, 2025.

Caesars Sportsbook welcome bonus highlights

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Take a closer look at this top Colorado sportsbook in our detailed Caesars Sportsbook review. 

FanDuel Colorado offers a straightforward and rewarding welcome bonus for new players. By placing a $5 qualifying wager, you can secure $150 in bonus bets — but only if your first bet wins. This FanDuel promo code gives Colorado sports bettors a budget-friendly way to explore one of the state's best NBA betting sites while taking a shot at some bonus funds.

Before claiming this FanDuel Sportsbook Colorado offer, review these key terms and conditions:

• This promotion is only open to new users who are at least 21 years old, and you must claim it through the FanDuel app.
• You need to make a minimum $5 deposit and place a qualifying $5 wager.
• There are no minimum odds requirements tied to your first bet.
• Bonus bets must be used within seven days of being credited to your account.
• This FanDuel promo is valid until Dec. 15, 2025.
• You can also choose the $2,500 No Sweat Bet welcome offer. Deposit and wager $500 or more, and if your first bet loses, FanDuel refunds the full amount in bonus bets up to $2,500. Offer runs through Dec. 31, 2025.

FanDuel welcome bonus highlights

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Dive into our FanDuel review for a deeper look at its betting options, app experience, promotions, and more.

DraftKings Colorado welcomes new bettors with a pair of standout offers using the DraftKings promo code: Bet $5, get $200 in bonus bets if you win , plus a 20% deposit match worth up to $1,000. Both promos are designed to deliver excellent value right from the start for Colorado sports betting fans.

Bet $5, get $200 in bonus bets if you win

This Colorado sportsbook promo gives you $200 in bonus bets bets just for placing a $5 wager, paid out as 8 $25 bonus bets. It’s a simple way to build your bankroll and get familiar with DraftKings’ extensive betting markets.

Make sure to review these key details:

• You must be a new user and at least 21 years old to participate.
• A deposit of $5 and a qualifying $5 wager are required.
• The bonus is delivered as 8 $25 bonus bets that are non-withdrawable.
• You keep any winnings from bonus bets but not the stake itself.
• Bonus bets expire seven days after being credited to your account.
• You must apply the bonus token to your wager to activate the offer. The token expires on Jan. 11, 2026.
• This DraftKings Colorado promo is valid until Jan. 4, 2026.

Up to $1,000 deposit match

DraftKings also offers a 20% deposit match up to $1,000 for new Colorado users. You’ll receive bonus funds equal to 20% of your initial deposit. For example, a $250 deposit gets a $50 match. While reaching the maximum match requires a larger deposit and active play, it’s a smart way to add more value to your DraftKings account from day one.

DraftKings welcome bonus highlights

Important terms and conditions:

GAMBLING PROBLEM? CALL 1-800-GAMBLER, (800) 327-5050 or visit http://gamblinghelplinema.org (MA). Call 877-8-HOPENY/text HOPENY (467369) (NY).Please Gamble Responsibly. 888-789-7777/visit http://ccpg.org (CT), or visit Home (MD).21+ and present in most states. (18+ DC/KY/NH/WY). Void in ONT/OR/NH. Eligibility restrictions apply. On behalf of Boot Hill Casino & Resort (KS). Pass-thru of per wager tax may apply in IL. 21+ and present in most states. (18+ DC/KY/NH/WY). Void in ONT/OR/NH. Eligibility restrictions apply. On behalf of Boot Hill Casino & Resort (KS). Pass-thru of per wager tax may apply in IL. 1 per new customer. Must register new account to receive reward Token. Must select Token BEFORE placing min. $5 bet to receive $200 in Bonus Bets if your bet wins. Min. -500 odds req. Token and Bonus Bets are single-use and non-withdrawable. Token expires 1/11/26. Bonus Bets expire in 7 days (168 hours). Stake removed from payout. Terms: http://sportsbook.draftkings.com/promos. Ends 1/4/26 at 11:59 PM ET. Sponsored by DK.

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Take a closer look at one of the best prop betting sites in our full DraftKings review.

  Here's a quick look at the Colorado sportsbook promos available in December 2025.    

Check out another great Colorado sportsbook by visiting our bet365 bonus code page.

Getting started with best sports betting apps in Colorado is simple when you know the steps. Follow this guide to claim the best Colorado sportsbook promos and enjoy a smooth, rewarding experience wagering in the Centennial State.

1. Pick a welcome offer

Colorado sportsbook promos range from bonus bets to deposit matches and safety-net bets. Review the featured offers on this page and pick the promotion that best suits your sports betting style.

2. Claim your promo code

Click through any of our trusted links to activate your chosen Colorado sportsbook promo. Some bonuses apply automatically during registration, while others might need a promo code. You may also be prompted to download the sportsbook app to complete the process.

3. Create a new account

Complete the registration form with your name, date of birth, address, email, and the last four digits of your Social Security number. These details confirm your identity and make sure you meet Colorado’s sports betting legal requirements.

4. Verify your identity

Before you can place wagers, most Colorado sportsbooks will ask you to upload a government-issued ID. This confirms you are at least 21 years old and physically located in Colorado, as required by Colorado sports betting laws.

5. Deposit funds

Add funds to your account with a qualifying deposit. Colorado sports betting apps accept secure options like credit or debit cards, online banking, PayPal, Venmo, and digital wallets such as Apple Pay.

6. Place a bet

Once funded, place your first wager according to the promo’s terms. Double-check conditions like minimum odds or bet size to ensure your qualifying wager meets the rules of the Colorado sportsbook bonus you chose.

7. Enjoy your bonus

After your qualifying bet is settled, bonus funds or bet credits will appear in your account. Most Colorado sportsbook promos have an expiration window of about seven days, so plan to use your bonus bets before they expire.

Check out our state-by-state promo guides to discover which sportsbook bonuses are available to you based on where you live in 2025.