Best CBB Betting Promos

The 2025 NCAA Tournament national championship game is set between the Houston Cougars and Florida Gators. This week’s top college basketball promo codes are highlighted by a Bet $1, Double Your Winnings on Next 10 Wagers from Caesars Sportsbook, up to $1,500 in bonus bets offer from BetMGM, and more. TheLines covers some of the top college basketball promos from the best betting sites below.

You can claim college basketball bonus offers from Bet365, FanDuel, BetRivers, and more below.

Best College Basketball Betting Promo Codes This Week 

Sportsbooks offer new and existing customers odds boosts, bonus bets, and more during the NCAA men’s basketball season. In the section below, we will offer a rundown of what top sportsbooks are rolling out this week. 

1. Caesars CBB Promos

Caesars Sportsbook offers new college basketball customers the chance to Bet $1, Double Your Winnings on Next 10 Wagers. When you sign up for Caesars using code THELINESDYW, Caesars will give you the value of your first bet back in bonus bets if it loses.

• Caesars college basketball promo: Bet $1, Double Your Winnings on Next 10 Wagers
• Promo code: THELINESDYW.
• Caesars CBB Promo This Week: Caesars Sportsbook customers will find a strong boosts menu that includes “Title Town” boost with +550 odds that will be a winner Yankees, Heat, Gators, and Oilers all win on April 7. Max $100 bet.

March Madness odds are available at Caesars and other top sportsbooks.

2. BetMGM CBB Promos

BetMGM Sportsbook has a solid offer available to new bettors during the NCAA Tournament. New customers can get up to $1,500 in bonus bets paid back if your first bet does not win. Bonus Bets Expire in 7 Days. One per New Customer Offer Only. Additional terms. New and existing users can enjoy regular “Lion’s Boosts” where you can take advantage of increased odds on specific games and player props.

• BetMGM college basketball promo #1: Up to $1,500 in bonus bets if your first bet does not win (AZ, DC, IL, IN, IA, KS, KY, LA, MA, MD, MS, NC, OH, TN, VA, and WY).
• BetMGM college basketball promo #2: Bet $10, Get $150 in Bonus Bets if You Win (CO, MI, NJ, PA, WV only)
• Nevada promo: Get up to $250 in Bonus Bets if your first bet doesn’t win.
• Promo code: THELINES
• BetMGM CBB Promo This Week: All BetMGM users can select the March Matchups 20% odds boost token for the Houston vs. Florida national championship game. Max stake is $20. Read full terms and conditions.
• Read full terms and conditions. 21+. Gambling Problem? Call 1-800-GAMBLER

3. BetRivers College Basketball Promo Code

BetRivers Sportsbook welcomes new customers to the latest college basketball season with up to $500 in second-chance bets. If your first wager loses, you’ll get to try again with bonus bets, up to a max $500. During NCAA basketball season, new and existing customers can take advantage of BetRivers “house specials.” This is your opportunity to shop for unique markets that other sportsbooks listed here might not offer.

• BetRivers CBB Promo: Up To Up to $500 in second-chance bets
• Promo code: LINESRIV
• BetRivers CBB promo this week: BetRivers has several House Specials available for the NCAA Tournament final, including one with +215 odds that will be a winner if Florida or Houston win by 6-10 points.

4. FanDuel CBB Promo Code

New customers can Bet $5, and Get $200 in Bonus Bets if Your Bet Wins. To claim the bonus, new users must register for a FanDuel account by following the “Play Now” link on this page. Then, make a first-time deposit of $5 +, and place your first real-money wager on any market (no odds limits) that is live on the platform. All users will receive $200 in Bonus Bets within 72 hours of the bet settlement if the first bet wins. *T&C below.

• FanDuel Sportsbook CBB Promo: Bet $5, Get $200 in Bonus Bets if Your Bet Wins
• Promo code: To claim, click “Play Now”
• FanDuel CBB promo this week: New and existing FanDuel Sportsbook customers can select the 30%profit boost token available for the national championship game between Florida and Houston. Read full terms and conditions.

Existing users should look out for profit boosts and same game parlays, as FanDuel frequently has a rotating list of promos.

• 21+ and in a state where FanDuel is licensed
• A minimum $5 deposit and minimum $5 first real-money wager are required
• Welcome offer applies to first online wager only
• Users will receive $200 in Bonus Bets within 72 hours of the winning qualifying wager settling
• Bonus Bets are non-withdrawable and expire seven (7) days after receipt
• Bonus Bet stake not returned as part of winnings
• Limit of one bonus per person

5. Bet365 CBB Promos

New Bet365 users can use one of the strongest deals currently available. Bet365 will give you a choice of a First Bet Safety Net up to $1,000, OR you can Bet $5 and get $150 in Bonus Bets Win or Lose.

• Bet365 college basketball promo: Claim Your $1,000 Bonus!
• PA only: Bet $5, Get $150 in Bonus Bets Win or Lose + 50 free spins
• To claim, use promo code: THELINES
• Bet365 CBB promo this week: Bet365 users can select the Walter Clayton Jr. super boost with +175 odds (boosted from -120). The bet will be a winner if Clayton Jr. scores 20+ points in tonight’s Florida vs. Houston game.

6. DraftKings College Basketball Promos

DraftKings Sportsbook offers new users up to $1,350 in bonuses. DK competes to be the earliest to the window with college basketball spreads and totals.

• Best CBB betting promo from DraftKings: $1,350 in bonuses
• Use the links on this page to claim the offer.
• Best DraftKings college basketball promo: All DraftKings users will find a number of Quick SGP parlay options for the NCAA Tournament national championship game, including “Won’t Back Down” with +1000 odds. The bet will be a winner with the combination of a Florida win over Houston and both teams under 65.5 points.

7. Fanatics CBB Promos

New college basketball bettors don’t need to use a Fanatics Sportsbook promo code to claim the welcome offer. Below are the terms and conditions for when you’re ready to claim the offer. Keep in mind that two different offers are available depending on which state you live in.

Bet and Get up to $1,000 in No Sweat Bets welcome bonus:

1. For new customers in AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VT, VA, WV, or WY only.
2. Open a new account with Fanatics Sportsbook. You won’t need a Fanatics Sportsbook promo code.
3. Deposit at least $5 into your account.
4. The $1,000 bonus is paid out in 10 no-sweat bets, each worth up to $100. You’ll get a no-sweat bet token each day for 10 straight days
5. Use the token on a bet each day from $1-$100; this bet must have odds of -500 or longer.
6. You’ll get a 100% refund in Fanatics Sportsbook bonus bets if it loses. By the way, your 10 days begin when you establish your account. The wager must settle as a loss to qualify for the Bonus Bets.
7. You have seven days to use the bonus bets before they expire.

In NY only, the new customer welcome bonus is: Receive a 300% Profit Boost Token to use on a wager of $50 max. Here’s how it works:

1. Open a new account with Fanatics Sportsbook. You won’t need a Fanatics Sportsbook promo code.
2. Deposit $10 or more to your account.
3. Place a cash wager worth up to $50 maximum and with maximum pre-boosted odds of +20000.
4. If that bet wins, the token will boost your payout.

Fanatics CBB promo this week: Fanatics users have the option of betting on the Florida vs. Houston odds boost with +140 odds that will be a winner if Walter Clayton Jr. and L.J. Cryer both score 15+ points and each make 2+ threes.

College basketball betting promo code details

Here are college basketball betting promo code details for all of the sportsbooks listed above.

Operator	Promo Code	Bonus Details
Caesars Sportsbook	THELINESDYW	Bet $1, Double Your Winnings on Next 10 Wagers
BetMGM Sportsbook	THELINES	Welcome Bonus up to $1,500 (most states) Bet $10, Get $150 in Bonus Bets if You Win (CO, MI, NJ, PA, WV) Up to $250 in Bonus Bets if your first bet doesn’t win. (NV only)
BetRivers Sportsbook	LINESRIV	Up to $500
FanDuel Sportsbook	Click to claim promo	Bet $5, Get $200 in Bonus Bets If Your Bet Wins
Bet365 Sportsbook	THELINES	Claim Your $1,000 Bonus! PA only: Bet $5, Get $150 in Bonus Bets + 50 free spins CO only: Bet $5, Get $150 in Bonus Bets Win or Lose
Fanatics Sportsbook Promo Code	Click to claim promo	Up to $1,000 in bonus bets (most states) Receive a 300% Profit Boost Token to use on a wager of $50 max (NY only)

How We Rate College Basketball Promos

The strength of CBB bonuses can vary on a monthly or weekly basis. One week, Caesars Sportsbook might have the best deal, and the next week it might come from DraftKings Sportsbook. Many of the operators offer bonus bets in which the risk is extremely low. In some cases, like with BetRivers and BetMGM, bonus bets only come into play only if your initial wager loses. Others, like FanDuel and bet365, award bonuses even if that Kentucky moneyline or North Carolina point spread bet wins.

Keep in mind, CBB promo codes might change several times during the season. Check back here each week to see what the latest offers are from top sportsbooks.

Some of the criteria we weigh when rating the latest bonuses include:

• Overall bonus value
• Player investment
• Bonus timeframe
• Rollover and playthrough requirements
• Fastest sportsbook payouts

The current bet365 CBB promo code catches our attention because you receive bonus bets no matter how your first bet pans out. You also have to make a very small initial investment of just $1 to secure the promotion, which is a lot lower than other sites.

The cash amount players must invest, and the timeframe before a bonus expires are important factors to consider when ranking a bonus offer. With just a $1 investment, you earn $365 in bonus bets that you can use to wager on CBB futures or even specific game lines. It’s a great way to test out what the bet365 app has to offer.

How Do NCAA Basketball Betting Promos Work?

The best sportsbook promos are similar to shopping for the best online discounts and coupons, whether it be for clothing or dining. In the sports betting world, top brands like Caesars Sportsbook, FanDuel Sportsbook, and bet365 all have welcome offers and promotions to entice new customers to give their products a try. When signing up for one of these accounts, simply enter one of the promo codes listed above to take full advantage of the current deals.

In most cases, the welcome offer, which is typically bonus bets, will show up in your account once you enter the promo code, make an initial deposit, and place any required bets. The minimum deposit at most sportsbooks is $10.

If you reside in a state where legal betting has yet to go live, new users can look at DFS sites and free-to-play betting apps for promo codes. Check out these Florida sports betting apps and promos as an example.

Types of CBB Betting Bonuses 

Whether you sign up for one sports betting app or three, there will be no shortage CBB promo codes and bonuses available to new and existing customers. Welcome bonuses tend to be the most generous offers but are only available to new NCAA college basketball bettors.

There are many times when there are terms and conditions associated with promos, especially those posted on a sportsbook’s promo page. You might see things like “max bet $25,” “final odds of +400 or longer,” or a short expiration date. Bettors must follow all the rules to take full advantage of the latest CBB promos available to new and existing customers. Here are some examples of what you might see during the NCAA basketball betting season:

• Odds Boosts – Sportsbooks sometimes get creative wording like with the BetRivers House Specials, but the idea is the same – the sportsbook will offer CBB bettors increased odds on a specific wager.
• Insurance – The sportsbook will refund a losing wager in the form of bonus bets. Opting in is usually required.
• Bet & Get – Receive a bonus bet after meeting certain wagering requirements.
• Profit Boost – Some sports betting apps offer a 25% to 30% boost when placing a bet. Check to see if opt-in is required.

College Basketball Betting Tools and March Madness Odds

TheLines is the place to find a variety of college basketball betting tools that you can put to good use. Besides using the previously mentioned promo codes, which are great, you’ll have the opportunity to do some college basketball line shopping. One of the advantages of registering for an account at more than one sportsbook is you’ll have an opportunity to find the best odds available. 

TheLines gives you the opportunity to compare March Madness odds during the NCAA Tournament.

College Basketball Betting PROMO CODES FAQ