Best Betting Sites for NFL Week 1: New Users Need These Six Sportsbooks

Sportsbook	Welcome Offer	Code	Claim Today
	$1,500 First Bet	'CVRBONUS1500'	Claim $1500 Bonus Bets
	20 100% Bet Boosts	'COVERS20X'	Claim 20 Boosts
	Bet $5, Get $300	'COVERS' or 'CVSBONUS' (CO, IL, NJ, PA & TN only)	Claim $300 Bonus Bets
	Bet $5, Get $300 if it Wins	N/A	Win $300 Bonus Bets
	Get $50, Get $250 FanCash	N/A	Claim $250 FanCash
	Bet $5, Get $300	N/A	Claim $300 Bonus Bets

The 2025 NFL season kicks off in São Paulo, Brazil, with a blockbuster Week 1 showdown as Patrick Mahomes and the Chiefs take on Justin Herbert and the Chargers. Kansas City looks to continue its Super Bowl appearance streak, while Los Angeles aims to make a statement under coach Jim Harbaugh. With two of the league’s top quarterbacks on display, fans can expect a high-energy, action-packed opener.

For those looking to bet on Chiefs vs. Chargers, now is the perfect time to explore the best betting sites offering Week 1 sign-up promos. Here’s a guide to the top sportsbooks to join before kickoff:

BetMGM Sportsbook 

$1,500 First Bet (AZ, CO, IL, IN, IA, KS, KY, LA, MD, MA, MS, NC, NV, NY, OH, TN, VA, WY +DC & PR)
CVRBONUS1500

Claim $1,500

BetMGM is one of the most trusted betting sites, offering flexible NFL Week 1 promos to get bettors off to a strong start. In most states, new players who sign up with BetMGM bonus code 'CVRBONUS1500' can receive up to $1,500 in bonus bets if their first Chiefs vs. Chargers wager loses.

In MI, NJ, PA, and WV, BetMGM provides $150 in bonus bets with just a $10 first-time wager. Both offers require a $10 minimum deposit and carry a seven-day expiry on bonus credits, giving bettors an easy way to maximize Week 1 action.

Offer available to first-time customers in the following states: AZ, CO, IL, IN, IA, KS, LA, MD, MA, MI, MS, NC, NV, NJ, OH, PA, TN, VA, WV, WY. Not intended for use in MA. Not available to new bettors in DC, NV, or NY. Not available to residents of Ontario, CA.

Get a $1500 First Bet

Caesars Sportsbook

Bet $1, Get 20 100% Boosts
Code: COVERS20X

Claim Your Bet Boosts

Caesars shines with its high-upside profit boost welcome package. New users who sign up with Caesars Sportsbook promo code 'COVERS20X' and place a $1 wager on Chiefs vs. Chargers receive 20 profit boost tokens, each doubling winnings up to $25. Tokens are valid for 14 days and can be applied across spreads, totals, and player props, such as Isaiah Pacheco anytime TD. With boosted payouts reaching $25,000, Caesars offers bettors exceptional Week 1 value.

Offer available to first-time customers in the following states: AZ, CO, DC, IL, IN, IA, KS, KY, LA, ME, MD, MI, MS, NC, NV, NJ, NM, NY, OH, PA, TN, VA, WV, WY. Not intended for use in MA. Not available to residents of Ontario, CA.

bet365 Sportsbook

Bet $5, Get $300, Win Or Lose
Code: COVERS
Code: CVSBONUS (CO, NJ only)

Claim $300

bet365 is known for its straightforward, guaranteed offers. New players who sign up using bet365 bonus code 'COVERS' (or 'CVSBONUS' in CO, IL, NJ, PA, TN), deposit $10, and place a $5 wager on Chiefs vs. Chargers can unlock $300 in bonus bets, win or lose. The first bet must include at least one leg at odds of -500 or longer, and bonus credits expire after seven days. Ideal for bettors seeking instant value with no hassle.

Offer ONLY available to first-time customers in the following states: AZ, CO, IN, IA, KY, LA, NC, NJ, OH, PA, VA. Not available to residents of Ontario, CA or other Canadian provinces. 

Bet $5, Get $300 at bet365

FanDuel Sportsbook

Bet $5, Get $300 Bonus Bets If Your Bet Wins

Win $300

FanDuel makes it simple to get started: Deposit $5 and place a $5 wager on Chiefs vs. Chargers. If your bet wins, you’ll receive $300 in bonus bets. Credits expire after seven days, but with FanDuel’s wide market selection, from player props like Patrick Mahomes passing yards to spreads and totals, bettors can reinvest quickly and maximize value throughout Week 1 with the FanDuel promo code bonus.

Offer available to first-time customers in the following states: AZ, CO, CT, DC, IL, IN, IA, KS, KY, LA, MD, MI, NC, NJ, NY, OH, PA, TN, VT, VI, WV, WY. Not intended for use in MA. Not available to residents of Ontario, CA.

Fanatics Sportsbook

Bet $50, Get $250 FanCash

Claim $250

Fanatics offers ongoing NFL value with its football-focused Fanatics Sportsbook promo. Deposit $10 and place a $50 wager on Chiefs vs. Chargers to receive $50 in FanCash, win or lose. This offer can be repeated for five consecutive days, letting players earn up to $250 in total FanCash. Credits arrive within 72 hours and expire after seven days, perfect for bettors looking to stay active throughout the season.

Offer available to first-time customers in the following states: AZ, CO, CT, IA, IL, IN, KS, KY, MA, MD, MI, NC, NJ, NY, OH, PA, TN, VA, VT, WV, WY. Not intended for use in MA. Not available to residents of Ontario, CA.

DraftKings Sportsbook 

Bet $5, Get $300
+
$200 off NFL Sunday Ticket

Claim $300

DraftKings Sportsbook ranks among the best betting sites. Register today in time for Chiefs vs. Chargers to get $300 in bonus bets plus $200 off NFL Sunday Ticket on YouTube. The deal: Sign up, place a $5 wager on Chiefs vs. Chargers, and you'll receive bonus bets awarded as 12 individual $25 tokens that must be used within seven days, giving bettors plenty of ways to maximize the DraftKings promo code for Week 1 action.

Offer available to first-time customers in the following states: AZ, CO, CT, IN, IA, LA, MI, NC, NJ, OH, PA, VT, WY, IA, IL, LA, MI, NC, NJ, OH, PA, VT, WY. Not intended for use in MA. Not available to residents of Ontario, CA.

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