Your Guide to Final Four Betting Promos — March Madness 2025
March Madness 2025 is down to the Final Four, with games set for Saturday and a championship match Monday.
As of April 4, BetMGM, Caesars, and bet365 are offering promos with a potential maximum of $4,500+ to boost your bets on this high-stakes weekend. Here’s everything you need to know about the offers, how to claim them, and tips to maximize your wagers.
Why These Promos Are a Slam Dunk
With only four teams left, every game is a do-or-die moment — perfect for betting on spreads, props, totals, or live action. These promotions give you bonus bets, profit boosts, and safety nets, cutting your risk while upping your potential rewards.
The Best Final Four Sportsbook Promos
BetMGM — First-Bet Refund Up to $1,500
- Promo code: THELINES
- How it works: Sign up, deposit $10+, and bet on a Final Four game (e.g., Florida vs. Auburn). If it loses, get up to $1,500 back in bonus bets – split into five equal parts for bets of $50 or more (e.g., $100 loss = five $20 bonus bets). Bonus bets expire in seven days.
- Best for: Bets on underdogs like Alabama
- Why we like it: A hefty safety net for bold moves without the full sting of a loss.
Up to $1,500 in Bonus Bets if Your First Bet Doesn't Win*
*Bonus Bets Expire in 7 Days. One New Customer Offer Only. Add’l terms. 21+. Gambling Problem? Call 1-800-GAMBLER
Use Bonus Code: THELINES
Caesars Sportsbook — Bet $1, Get 10 Profit Boosts
- Promo code: THELINESDYW
- How it works: Register, deposit $10+, and bet $1+. Get 10 tokens that double profits on bets up to $25 (max $2,500 extra per token). Valid for 14 days.
- Best for: Parlays or props across the Final Four and championship.
- Why we like it: Low entry, high reward — multiple chances to cash in big.
- Stream NFL Games In-App for Free
- 21+ Gambling problem? Call 1-800-GAMBLER
- Use Promo Code: THELINESDYW
Bet365 – Pick Your Bonus
- Promo code: THELINES
- Option 1: Bet $5, get $150
- Deposit $10+, bet $5 (odds or -500 or longer), and score $150 in bonus bets, win or lose. Bonus bets expire in seven days.
- Best for casual fans betting totals or spreading bets across games.
- Option 2: First-bet safety net up to $1,000
- Deposit $10+, bet $5+, and get a refund in bonus bets if that wager loses, up to $1,000. Bonus bets expire in seven days.
- Perfect for risk-takers chasing a Houston upset over Duke.
- Why we like it: Flexible options plus a stellar live betting platform.
- Bet $5 Get $150 in Bonus Bets Win or Lose
- OR First Bet Safety Net up to $1,000
- 30% Extra on Same Game Parlay Profit
- T&Cs Apply. Gambling Problem? Call or text 1-800-GAMBLER 21+
- Use Bonus Code: THELINES
How to Get Started
- Click the exclusive sign-up links for BetMGM, Caesars, or bet365.
- Deposit $10+ (card, PayPal, etc.).
- Enter promo codes if prompted: THELINES, THELINESDYW, or THELINES.
- Place your qualifying bet.
Final Four Matchups
- Saturday, April 5:
- Florida vs. Auburn
- Houston vs. Duke
- Monday, April 7, national championship:
- TBD vs. TBD
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