
What Is 21+3 In Blackjack?
Ever wanted to play the game but wondered what is 21+3 in blackjack? We're here to tell you all about blackjack 21+3 with how to play, the odds, and more. Play 21+3 blackjack at OddsChecker recommended casinos today.
Mason McDonagh - August 15, 2023, 6:00 PM EDT
3 minutesWhat Is 21+3 In Blackjack?
Looking for a big win playing blackjack? Well, maybe it is time for you to try 21+3 blackjack which is a side bet that gives you the chance to win incredible payouts!
21+3 blackjack isn't for everyone, but you might enjoy it once you hear more about it in this article, especially when we tell you about the 21+3 blackjack payouts available.
The best thing is, thanks to some excellent casino bonuses with OddsChecker, you can place bets on 21+3 in blackjack without even having to spend any real money! This is thanks to the many no deposit bonuses OddsChecker has available, provided you are signing up to the gaming sites we recommend for the first time.
You will probably find that blackjack 21+3 isn't available in the standard variation of the casino classic at online casinos in the US, but only on a select game like Poker & Pairs Blackjack, which we will tell you more about in this article.
So, keep on reading to find out what 21+3 means in blackjack, as well as the payouts on offer for the blackjack side bet, and more.
What Does 21+3 Mean In Blackjack?
21+3 in blackjack is a popular side bet on blackjack games that allow it, mixing together traditional blackjack and three-card poker.
So essentially, blackjack 21+3 means blackjack plus three-card poker, but the shorter version sounds much better!
But, just because 21+3 blackjack is available doesn't mean you have to play it. The likelihood of winning is slim on this side bet, and low stakes should be wagered because the odds aren't in your favor.
There's no doubt it's a fun side bet, and 21+3 blackjack can certainly boost your chances of winning big when compared to the standard variation of the game.
Blackjack 21+3
So, now you know what blackjack 21+3 means, let's show you the hands you are going to need to look out for if you place a wager on the side bet, and what those hands mean.
The below table tells you exactly what is required from your two cards and the dealer's up card for you to win any of the 21+3 blackjack payouts.
Hand | Meaning |
|---|---|
Suited Three of a Kind | Three same-value cards that also have the same suit |
Straight Flush | Three same-suit cards of consecutive values |
Three of a Kind | Three same-value cards |
Straight | Three cards of consecutive values, e.g. 4-5-6 & aces can be either high or low |
Flush | Three same-suit cards |
21+3 Blackjack Payouts
Now you know about the type of hands you need to look out for, it will also be useful to know the 21+3 blackjack payouts.
In most games that include 21+3 blackjack you will be able to see the odds available on the table, but just in case they aren't then these are the payouts you are likely to find for those games.
While they may not be available on screen, you can always go to the paytable on any game too to find out the 21+3 blackjack payouts, or the payouts on any game for that matter.
Hand | Odds |
|---|---|
Suited Three of a Kind | 100 to 1 |
Straight Flush | 35 to 1 |
Three of a Kind | 33 to 1 |
Straight | 10 to 1 |
Flush | 5 to 1 |
These are the odds courtesy of Poker & Pairs Blackjack at DraftKings Casino, and these odds may vary depending on which online casino you are playing at.
Poker & Pairs Blackjack
The game in which, at US online casinos, you will be able to find 21+3 blackjack will be the Poker & Pairs Blackjack game.

As you will see from the image above on Poker & Pairs Blackjack you can place side bets on "Poker" which gives you the chance of landing anything from a suited three of a kind to a flush between your two initial cards and the dealer's up card.
This game, which is available at FanDuel Casino, DraftKings Casino, BetMGM Casino (in select states), and more allows you to place the blackjack 21+3 side bet as well as the pairs side bet option too.
In Poker & Pairs Blackjack, like with the 21+3 blackjack we talked about above, you will need to place your wager on the 21+3 blackjack side bet before the hand is dealt, with a bet required on blackjack too.
It's as simple as that and could result in you winning up to a 100 to 1 payout on one hand if a suited three-of-a-kind is dealt in Poker & Pairs Blackjack!
Best Casino Bonus To Claim For 21+3 Blackjack: BetMGM Casino Bonus Code
BetMGM Casino Bonus Code | |
|---|---|
Bonus | 100% Deposit Match up to $2,500 + 100 Bonus Spins |
Expiration Date | N/A |
States | MI, NJ, PA, WV |
Without a doubt, the best offer you can claim for 21+3 blackjack would be the BetMGM Casino bonus code. Guaranteeing you a $25 no deposit bonus as a new player at their gaming site in MI, NJ, PA, and WV, is the best offer of that type around.
You can claim $100 bonus play courtesy of the PokerStars Casino bonus code, but you will be required to wager $1 first. So, that means the BetMGM Casino bonus code is the best for blackjack 21+3 because you can place side bets on Poker & Pairs Blackjack or any other game that includes it and win without even having to deposit first!
Not only do you get a $25 no deposit bonus with the BetMGM Casino bonus code, but they also allow users to claim a 100% deposit match bonus of up to $1,000 when they first add real money.
Of course, you don't need to deposit $1,000 if you can't afford to, but you have the chance to claim plenty more bonus funds as part of the BetMGM Casino bonus code too which can be used for 21+3 blackjack.
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