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

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 continues tonight in São Paulo, Brazil, as Patrick Mahomes and the Kansas City Chiefs face Justin Herbert and the Los Angeles Chargers. The Chiefs are vying for a fourth consecutive Super Bowl appearance, while the Chargers look to make a statement under second-year coach Jim Harbaugh. With two of the league’s best quarterbacks squaring off in this international tilt, fans can expect fireworks.

For those looking to bet on Chiefs vs. Chargers, it’s the perfect time to check out the best betting sites with welcome promos ahead of tonight’s game. Here’s a look at the best betting sites to sign up with now:

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 headlines our list of best betting sites with two flexible offers. BetMGM gives bettors a strong safety net to start the NFL season. In most states, new players who sign up and use our BetMGM bonus code 'CVRBONUS1500' can get up to $1,500 back in bonus bets if their first Chiefs vs. Chargers wager loses.

In MI, NJ, PA, and WV, BetMGM offers $150 in bonus bets triggered by a $10 first-time wager. Both offers require a $10 minimum deposit and carry a seven-day expiry on bonus bets.

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 stands out as one of the best betting sites thanks to its high-upside profit boost welcome package. New users who register with Caesars Sportsbook promo code 'COVERS20X' and place a $1 wager on Chiefs vs. Chargers will receive 20 profit boost tokens, each doubling the winnings of bets up to $25.

These tokens are valid for 14 days and can be used across a variety of markets, from player props like Travis Kelce finding the end zone, to spreads, totals, and more. With boosted payouts worth as much as $25,000 in potential winnings, Caesars gives bettors unmatched value to kick off Week 1.

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 continues to rank among the best betting sites thanks to its straightforward, guaranteed bonus. With the bet365 bonus code 'COVERS' (or 'CVSBONUS' in CO, IL, NJ, PA, TN), new players who deposit $10 and place a $5 wager on Chiefs vs. Chargers will unlock $300 in bonus bets, win or lose.

The terms are simple: your first bet must include at least one leg at odds of -500 or longer, and bonus credits are valid for seven days. For bettors who want instant value with no gimmicks, bet365 delivers one of the cleanest welcome offers on the market.

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 earns the status as one of the best betting sites for new players thanks to its wide reach and simple sign-up offer. No promo code is required either, just deposit $5 and place a $5 wager on Chiefs vs. Chargers. If that first bet wins, you’ll unlock $300 in bonus bets.

Bonus credits must be used within seven days, so bettors should have a plan to reinvest quickly. With FanDuel’s deep market selection, from player props like Patrick Mahomes passing yards to spreads and totals, there are plenty of ways to maximize the value of this welcome 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 ranks among the best betting sites for NFL fans with its football-focused Fanatics Sportsbook promo. How it works: Deposit $10 and place a $50 wager on Chiefs vs. Chargers to receive $50 in FanCash, win or lose.

The best art: This offer can be claimed for five consecutive days, letting players earn up to $250 in total FanCash. Credits arrive within 72 hours and expire after seven days, making it ideal for bettors who want ongoing value throughout the NFL season, not just on opening night.

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 rounds out our list of the best betting sites with a generous and easy-to-claim promotion. No DraftKings promo code is required since this offer activates the moment you sign up; no extra steps are required. The deal: Place a $5 wager on Chiefs vs. Chargers, and you’ll instantly receive $300 in bonus bets, plus $200 off NFL Sunday Ticket on YouTube.

The bonus bets are packaged as twelve $25 tokens and must be used within seven days. For those who want both an upfront betting bonus and discounted access to every NFL game, DraftKings serves one of the most lucrative welcome packages available.

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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