The 2025 March Madness tournament kicks off next week, with 68 teams facing off in a single-game elimination tournament to crown a men’s college basketball national champion.

With March Madness just around the corner, there are so many great college basketball betting promos you can take advantage of from the best sports betting apps in the nation. 

We have you covered here at Bookies.com so you can take advantage of all these welcome bonuses from the best betting sites like BetMGM, Caesars Sportsbooks, bet365, and more! 

The BetMGM Bonus Code lets new customers use the BetMGM bonus code BOOKIES and get back up to $1,500 in bonus bets if your first bet loses. Here’s how to claim this offer:

1. Sign up for a new BetMGM account using the BetMGM bonus code BOOKIES
2. Deposit at least $10 and make your first bet for $10
3. If your first bet loses, get back up to $1,500 in bonus bets
4. The bonus bets are given as five equal 20% bonus bets if your losing bet is for more than $50, or one single bonus bet if your losing bet is for less than $50
5. You get one week to use your bonus bets at BetMGM, and they come with a 1x rollover

With the Caesars Sportsbook Promo Code BOOKIESBG1, new customers can bet $1 and get $150 in bonus bets if their first bet wins. Here’s how to claim this fantastic bonus:

1. Sign up for a new Caesars account using the Caesars Sportsbook Promo Code BOOKIESBG1
2. Deposit at least $10 and then bet $1 on any sport
3. If your first bet wins, you will get $150 in bonus bets in the form of six $25 bonus bets
4. You get 30 days to use your bonus bets at Caesars, and they come with a 1x rollover

The DraftKings Sportsbook Promo Code allows new customers to bet $5 and get $150 in bonus bets instantly. Here’s how to get the offer.

1. Make a new DraftKings account and deposit at least $5
2. Bet $5 on any sport
3. You will get $150 in bonus bets instantly in the form of six $25 bonus bets
4. You get one week to use your bonus bets at DraftKings, and the bonus bets come with a 1x rollover

With the FanDuel promo code , new users can bet $5 and get $200 in bonus bets if your first bet wins. Here’s how to claim this great deal.

1. Sign up for a new FanDuel account and deposit at least $5
2. Bet $5 on any sport
3. If your first bet wins, you will get $200 in bonus bets
4. You can use the bonus bets in any denomination
5. You get one week with your bonus bets, and they come with a 1x rollover

The Fanatics Promo Code lets new customers bet and get up to $1,000 in no-sweat bets. In MI, PA, NJ, and AZ, you can bet $30 to get $300 in bonus bets, and in NY, you can get a 300% profit boost token.

1. Sign up for a new Fanatics account (no actual promo code needed)
2. Deposit at least $5 and make your first bet
3. If your first bet loses, you can get up to $100 in bonus bets each day for your first 10 days after signing up, for up to a total of $1,000 in bonus bets
4. For customers in MI, PA, NJ, or AZ, sign up for a new Fanatics account and bet $30 to get $300 in bonus bets instead
5. For customers in NY, sign up for a new Fanatics account and get a 300% profit boost token instead

The bet365 Bonus Code BOOKIES gives new customers a dual offer to choose from. Either bet $5 and get $150 in bonus bets win or lose, or get a first-bet safety net for up to $1,000. The choice is up to you, but you can only choose one deal. Here’s how to claim the offer.

1. Sign up for a new bet365 account using the bet365 promo code BOOKIES
2. Deposit $10 and bet $5 on any sport to get $150 in bonus bets
3. Alternatively, make your first bet and, if it loses, get back up to $1,000 in bonus bets
4. Remember, you can only choose one of two welcome offers from bet365

The ESPN BET promo code allows new customers to bet $10 and get $100 in bonus bets, plus a 30-day offer for ESPN+. Here’s how you can claim the offer:

1. Sign up for a new ESPN BET account using the ESPN BET promo code BOOKIES
2. Deposit $10 and bet $10 on any sport
3. Win or lose, get $100 in bonus bets in the form of five $20 bonus bets
4. You get one week to use your bonus bets at ESPN BET, and they come with a 1x rollover
5. You will also get a 30-day offer for ESPN+

Use the welcome bonuses offered by the best sports betting sites to claim over $4,000 in bonus bets:

🏀 Duke vs. North Carolina (ACC Tournament Semifinals)

• ⏰ Time: 7:00 PM ET
• 📍 Venue: Spectrum Center, Charlotte, NC

🏀 St. John's vs. Marquette (Big East Tournament Semifinals)

• ⏰ Time: 6:30 PM ET
• 📍 Venue: Madison Square Garden, New York, NY

🏀 UConn vs. Creighton (Big East Tournament Semifinals)

• ⏰ Time: 9:00 PM ET
• 📍 Venue: Madison Square Garden, New York, NY

🏀 Auburn vs. Ole Miss (SEC Tournament Quarterfinals)

• ⏰ Time: 12:00 PM ET
• 📍 Venue: Bridgestone Arena, Nashville, TN

🏀 Louisville vs. Clemson (ACC Tournament Semifinals)

• ⏰ Time: 9:30 PM ET
• 📍 Venue: Spectrum Center, Charlotte, NC

Per DraftKings Sportsbook, here are the top 10 NCAAB teams favored to win the national championship according to the odds.

• Duke +340
• Auburn +380
• Florida +700
• Houston +750
• Alabama +1000
• Tennessee +1600
• Michigan State +2000
• St. John’s +2200
• Iowa State +2500
• Kentucky +3500

Keep in mind there are 68 teams in the March Madness tournament, and we know there are crazy upsets every year, so while these are the top-10 teams favored according to the betting odds, don’t hesitate to take an underdog if you are feeling a longshot. After all, truly anything can happen in the tournament!

It’s also interesting that, despite winning the last two March Madness tournaments, UConn is listed at +5500 College basketball odds this year, giving them the 20th-best odds to win it all. There will certainly be some sports bettors who take a shot on the reigning and defending champs to repeat.

Sign up for the best sports betting apps today and take advantage of the amazing March Madness betting promos being offered!