Bonus Bets
States
United States
Arizona Sportsbook PromosCalifornia Sportsbook PromosConnecticut Sportsbook PromosColorado Sportsbook PromosFlorida Sportsbook PromosIllinois Sportsbook PromosIndiana Sportsbook PromosIowa Sportsbook PromosKansas Sportsbook PromosKentucky Sportsbook PromosLouisiana Sportsbook PromosMaryland Sportsbook PromosMassachusetts Sportsbook PromosMichigan Sportsbook PromosMississippi Sportsbook PromosNew Jersey Sportbook Promo CodesNevada Sportsbook Promo CodesNew York Sportsbook Promo CodesNorth Carolina Sportsbook Promo CodesOhio Sportsbook Promo CodesPennsylvania Sportsbook Promo CodesTennessee Sportsbook Promo CodesTexas Sportsbook Promo CodesVermont Sportsbook Promo CodesWashington DC Sportsbook Promo CodesWest Virginia Sportsbook Promo CodesWyoming Sportsbook Promo CodesPuerto Rico Sportsbook Promo Codes
Canada
Ontario Sportsbook PromosAlberta Sportsbook PromosYukon Sportsbook PromosSaskatchewan Sportsbook PromosQuebec Sportsbook PromosPrince Edward Island Sportsbook PromosNunavut Sportsbook PromosNorthwest Territories Sportsbook PromosNova Scotia Sportsbook PromosNewfoundland and Labrador Sportsbook PromosNew Brunswick Sportsbook PromosManitoba Sportsbook PromosBritish Columbia Sportsbook Promos
Insight
Casino
Picks
Oddschecker+
Positive EV Bets
Odds format
United States
Canada
NJ
▾
United States
Canada

March Madness Offers, Free Bets & Sports Betting Promotions

All Bookies Are:
US - Secure & Trusted
Secure & Trusted
US - Fast Withdrawals
Fast Withdrawals
US Licenced
US Licenced
Bookmaker
Welcome Bonus
Get Offer
Bookmaker
Fanduel Logo
See Review
T&Cs Apply
Bet $5, Get $250 in Bonus Bets If Your Bet Wins
Valid Today: 17th April 2025
Claim Yours
Visit Fanduel

T&C's apply. Gambling Problem? Call 1-800 GAMBLER 21+.

Bookmaker
Bet365 Logo
See Review
T&Cs Apply
Bet $5 and Get $150 in Bonus Bets Win or Lose With Code "CHECK"
Valid Today: 17th April 2025
Claim Yours
Visit Bet365

Available to new customers only. A deposit (minimum $10) is required to participate in this offer. You must claim the offer within 30 days of registering your account. Once released, your Bonus Bets will be held in your account balance and are non-withdrawable. Place qualifying bets of $5 or more to get $150 in Bonus Bets. Your qualifying bets must settle within 30 days of claiming the offer. Only qualifying bets placed and settled after claiming the offer will count towards releasing your Bonus Bets. Your Bonus Bets will expire 7 days after they are added to your Bonus Bets balance.

T&C's apply. Gambling Problem? Call 1-800-522-4700 21+

Bookmaker
DraftKings Logo
See Review
T&Cs Apply
Bet $5, Get $200 Instantly!
Valid Today: 17th April 2025
Claim Yours
Visit DraftKings

T&C's apply. Gambling Problem? Call 1-800 GAMBLER 21+. See full terms on site.

Bookmaker
Caesars Sportsbook Logo
T&Cs Apply
Bet $1, Get $150 or Double Your Winnings Your Next 10 Bets​
Valid Today: 17th April 2025
Claim Now
Visit Caesars Sportsbook

Must be 21 or older and physically present in AZ, CO, IA, IL, IN, KS, LA, MA, MD, MI, NJ, NY, OH, PA, TN, VA, WV, WY. New users only. Must register using eligible promo code. First bet after registration must qualify. Place your first bet of $1 or more and Instantly get TEN 100% Profit Boosts, Up to $25 Max Bet Per Boost. Void where prohibited. See Caesars.com/promos for full terms. Know When To Stop Before You Start.® Gambling Problem? Call 1-800-NEXT-STEP.

Bookmaker
Fanatics Sportsbook Logo
See Review
T&Cs Apply
Bet $30, Get $300 in Bonus Bets
Valid Today: 17th April 2025
Claim Yours
Visit Fanatics Sportsbook

New customers in AZ, CO, CT, IL, IN, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV only. Must apply this promotion in your bet slip and place a $10+ cash wager with odds of - 500 or longer each day to receive $100 in Bonus Bets (“Rewards”) each day for your first three (3) days. You must wager $10+ each day to be eligible for the Rewards each day.

March Madness Offers, Free Bets & Sports Betting Promotions

March Madness is, year in and year out, one of the biggest sports gambling event in America. OddsChecker will not only bring you the best odds on every College Basketball game this March, but will also supply you with the best sports betting offers for March Madness. There will be March Madness betting promotions from the likes of FanDuel, DraftKings and BetMGM.

Best Betting Offers for March Madness

Everyone will be checking the March Madness odds this month, but you should also check out the best March Madness betting offers. The biggest sportsbooks like BetMGM, DraftKings and Fanduel will be running March Madness Brackets, but they will also be running boosted odds promotions and risk-free bets.

The free bet offers for March Madness are already flooding in, with DraftKings running a sports betting promotion on the underdogs winning. The likes of FoxBet and PointsBet are offering huge March Madness promotions as well.

Above you will see DraftKings March Madness betting promotion, which is Bet $4, Win $264 On The Underdogs!.

You will also noticed that Pointsbet have released their March Madness offer, PointsBet are running bet $20 Win $150 if a point is scored. PointsBet are running this on any March Madness game, you can't ignore this betting promotion.

FoxBet have also joined the party with an eye-watering March Madness betting promotion. FoxBet are offering a $10 Free Bet for March Madness, which you can claim by placing one $10 bet on March Madness.

Head over to our free bets section to find a comprehensive list of the best sports betting sites in every state

0Betslip

Almost there!

We are loading your bets, and they will be here in a second.