Explore the best Illinois sportsbook promos today to claim your welcome bonus from each of these top online sportsbooks to start betting now. Following the recent launch of bet365 Illinois on Sunday, March 16, the top Illinois sportsbook promos featured on this page have a new running mate. Sign up now at bet365 Illinois, BetMGM Illinois, Fanatics Sportsbook Illinois, Caesars Sportsbook Illinois, DraftKings Sportsbook Illinois, and ESPN BET Illinois to net more than $3,000 in bonus bets from these IL sports betting sites and apps.
These top Illinois sports betting options allow new users to bet on all of their favorite local teams, minus the Illinois Fighting Illini as Illinois sports bettors cannot wager on in-state college teams. However, you can bet on March Madness odds, and Illinois pro teams, like the Chicago Cubs, Chicago White Sox, Chicago Bulls, Chicago Blackhawks, and Chicago Bears.
Use the table below for a full list of the best Illinois sportsbook promos on the market today:
| IL Sportsbooks | Illinois Sportsbook Promos | Sign-Up Link |
|---|---|---|
| bet365 Illinois | Bet $5, Get $150 in Bonus Bets, Win or Lose + $50 Super Boost | TOPACTION |
| BetMGM Illinois | $1,500 First Bet Offer | TOPACTION |
| Fanatics Sportsbook Illinois | $1,000 in No Sweat Bets | Click the Link |
| Caesars Sportsbook Illinois | Bet $1, Get $150 in Bonus Bets if You Win | ACTION4BG1 |
| DraftKings Sportsbook Illinois | Bet $5, Get $200 in Bonus Bets + $50 Bonus with First Deposit | Activate Now |
| ESPN BET Illinois | Bet $10, Get $100 in Bonus Bets + 30 Days of ESPN+ | ACTNEWS |
Best Illinois Sportsbook Promos: Score March Madness Betting Offers Today
Don't miss out on the best Illinois sportsbook promos, offering more than $3,000 in total bonus value. Sign up now using the IL sportsbook promos highlighted below and bet on March Madness or any other sporting event you have your eye on today.
1. bet365 Illinois
- bet365 Illinois Bonus Code: TOPACTION
- bet365 Illinois Promo: Bet $5, Get $150 in Bonus Bets, Win or Lose + $50 Super Boost
This list of the best Illinois sportsbook promos kicks off with the newest online sportsbook to join the Illinois sports betitng market. Sign up now with the bet365 bonus code TOPACTION in Illinois and claim a $150 bet-and-get offer plus a $50 Super Boost.
Register and place a $5 first bet on any game or sporting event to get $150 in bonus bets, win or lose. bet365 Sportsbook requires your $5 first bet to come on a market with -500 odds or longer. Bonus bets from this bet365 sign-up bonus offer expire in seven days.
Then, be sure to use the bet365 Illinois Super Boost for an additional $50 bonus. Bet up to $50 on one point being scored in the first March Madness game on Thursday (Louisville vs. Creighton) at +100 odds.
2. BetMGM Illinois
- BetMGM Illinois Bonus Code: TOPACTION
- BetMGM Illinois Promo: $1,500 First Bet Offer
The BetMGM bonus code TOPACTION offers the highest bonus value among the best Illinois sportsbook promos. BetMGM Illinois provides a $1,500 first bet offer for new users in IL.
With this BetMGM promo, you can place your first bet on any game or market. If your first bet wins, you are paid out like any other cash bet. If it doesn't win, BetMGM refunds your stake in bonus bets, up to $1,500. BetMGM splits your bonus bets into five equal bonus bet credits that expire in seven days.
3. Fanatics Sportsbook Illinois
- Fanatics Sportsbook Illinois Promo: Click Here
- Fanatics Sportsbook Illinois Sign-Up Bonus: $1,000 in No Sweat Bets
Use the Fanatics Sportsbook promo in Illinois to access $1,000 in No Sweat Bets. Fanatics Sportsbook splits the $1,000 bonus across 10 days, offering a daily No Sweat Bet, up to $100.
Opt into the No Sweat Bet daily and wager on any market with -500 odds or longer. If your bet loses, you get your stake back in bonus bets, up to $100. Don't miss out on one of the best Illinois sportsbook promos — place a $100 No Sweat Bet every day for 10 straight days to maximize this sports betting offer.
4. Caesars Sportsbook Illinois
- Caesars Sportsbook Illinois Promo Code: ACTION4BG1
- Caesars Sportsbook Illinois Sign-Up Bonus: Bet $1, Get $150 in Bonus Bets If You Win
- Caesars Sportsbook Illinois Promo Code: ACTION4DYW
- Caesars Sportsbook Illinois Sign-Up Bonus: Bet $1, Get 10 100% Profit Boost Tokens
Discover two of the top Illinois sportsbook promos at Caesars Sportsbook today. Claim a $150 bet-and-get offer or take advantage of 10 100% Profit Boost Tokens. With the Caesars Sportsbook promo code ACTION4BG1 in Illinois, win $150 in bonus bets if your first bet (must be $1 or more) wins. This welcome bonus is issued as six $25 bonus bet credits.
Alternatively, use the Caesars Sportsbook promo code ACTION4DYW in Illinois and place a $1 bet to unlock 10 100% Profit Boost Tokens. Wager up to $25 with each token, doubling your profit on any winning bet. The Profit Boost Tokens expire after 14 days.
5. DraftKings Sportsbook Illinois
- DraftKings Illinois Promo Code: Click for more info
- DraftKings Illinois Welcome Offer: Bet $5, Get $200 in Bonus Bets + $50 Bonus With First Deposit
Don't miss out on one of the best Illinois sportsbook promos from DraftKings Sportsbook. Sign up today using the DraftKings promo code in Illinois and get a $50 bonus bet with your first deposit. Place a $5 first bet on any game and gain access to $200 in bonus bets instantly. No waiting on your first bet to settle; DraftKings sportsbok instantly delivers eight $25 bet credits into your account.
6. ESPN BET Illinois
- ESPN BET Illinois Promo Code: ACTNEWS
- ESPN BET Illinois Sign-Up Offer: Bet $10, Get $100 in Bonus Bets + 30 Days of ESPN+
Sign up now and use the ESPN BET promo code ACTNEWS in Illinois to unlock a $100 bet-and-get promo. Make a $10 first bet on March Madness or any sporting event and get $100 in bonus bets, no matter your first bet outcome.
As one of the best Illinois sportsbook promos, this welcome bonus also includes a 30-day trial to ESPN+.
Top Alternative Options to Top Illinois Sportsbook Promos
1. Kalshi Illinois
- Kalshi Illinois Promo Code: ACTION
- Kalshi Illinois Welcome Bonus: Place $100 in Trades, Get $10 Sign-Up Bonus
Use the Kalshi promo code ACTION in Illinois to claim your $10 sign-up bonus. Dive into the Kalshi Predictive Market today and complete $100 in trades to unlock your $10 bonus.
2. Fliff Social Sportsbook Illinois
- Fliff Illinois Promo Code: ACTION
- Fliff Illinois Welcome Offer: Spend $50, Get $100 in Fliff Coins
Sign up using the Fliff promo code ACTION in Illinois and spend $50 to access $100 in Fliff Coins. The Fliff Coins let you make picks on any game or market.