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New users can take advantage of the top NFL DFS promotions and odds boosts from sites like Underdog Fantasy, Sleeper, and ParlayPlay for the 2025 NFL Week 1 schedule on Sunday. Among the most notable matchups of the day are Steelers vs. Jets, Packers vs. Lions, Seahawks vs. 49ers, and Bills vs. Ravens on Sunday Night Football. Here's a look at some of the top NFL promo codes for parlay sites like Underdog Fantasy, Sleeper, and ParlayPlay for NFL Week 1 on Sunday. 

NFL promos for Underdog Fantasy, Sleeper, Pick6

Here's a look at the NFL promo codes being offered by best DFS apps like Underdog Fantasy, Sleeper and ParlayPlay.

SiteBonus Offer Promo Code
Underdog FantasyPlay $5, Get $50CBSPORTS2
Sleeper100% deposit match up to $100CBSSPORTS
ParlayPlay100% deposit match up to $100 + a $5 entry ticketCBSSPORTS
betr$10 in Betr Bucks and 50% up to $200 deposit match CBSSPORTS
Boom Fantasy$100 first entry refundJust click here
DraftKingsNew players play $5, get $50 in Pick6 creditsJust click here

NFL props, lines for Week 1 on Sunday

Some of the trending NFL props on Boom Fantasy include Baltimore quarterback Lamar Jackson to throw for higher or lower than 233.5 passing yards on Sunday. His passing touchdowns line is 1.5, with higher bringing a 1.68x return on Boom. Ravens wide receiver Zay Flowers' receiving line is 57.5 yards with higher returning 1.8x on Boom.

Over on Underdog Fantasy, there are numerous prop lines for the Sunday NFL slate. Buffalo quarterback Josh Allen has a passing yards line of 229.5 yards and a passing touchdowns line of 1.5 on Underdog. Bills running back James Cook has a rushing yards line of 53.5 and a total touchdowns line of 0.5. Cook scored 16 rushing touchdowns in 2024. Make a pick on those lines at Underdog now and get a 100% deposit match up to $100:

Betr: Get $10 in Betr Bucks upon registration and 50% up to $200 deposit match 

Click here and use the promo code CBSSPORTS to get $10 in Betr Bucks upon registration and 50% up to $200 deposit match with the latest Betr Picks promo code.

Boom Fantasy: $100 First entry refund

New users can click here and get a risk-free entry up to $100 in Boom Fantasy bonus funds if your wager loses with the latest Boom Fantasy promo code.

DraftKings Pick6: New players play $5, get $50

New users can click here and make an initial wager of $5 or more at DraftKings and then get $50 credit in Pick6 credits with the latest DraftKings Pick6 promo code:

ParlayPlay: 100% deposit match up to $100 + a $5 entry ticket

Get started by clicking here, and get a first deposit match of up to $100 and a free $5 contest entry with the latest ParlayPlay promo code:

Sleeper: 100% deposit match up to $100

Click here and use the Sleeper bonus code CBSSPORTS to receive this bonus from Sleeper, which is offered in the form of site credits. 

Underdog Fantasy: Play $5, get $50 in site credit

Click here to get started using the Underdog Fantasy bonus code CBSSPORTS2, which offers new users $50 in site credit when they enter a $5 (or higher) contest. 

Responsible gaming

Responsible gambling is taken very seriously across all contest sites. All provide the necessary resources and contact information if you or someone you know may have a gambling problem. The minimum age is 18 for these sites in most states, but it is 19 or older in Alabama and Nebraska and 21 or older in Massachusetts. 

Responsible gambling resources include the National Council for Problem Gambling (NCPG) and Gamblers Anonymous.

Be smart. Bet smart. Wager responsibly. Those in need of help can also call or text 1-800-GAMBLER (1-800-426-2537). Help is available 24 hours per day and seven days per week.