A straight flush is five cards in sequence, all from the same suit. In casino poker language, it sits near the top of the hand-ranking ladder. A royal flush is the ace-high version, but ordinary straight flushes have their own payout lines in video poker and poker-style casino games.
Plain Talk
A straight is about order. A flush is about suit. A straight flush has both.
For example, 6♠ 7♠ 8♠ 9♠ 10♠ is a straight flush. It is stronger than a normal straight and stronger than a normal flush because it combines both conditions in one hand.
This glossary page defines the term. For the full game context, read Video Poker, Carnival Games, and the Glossary.
| Term | Plain-English meaning | Where it appears | Why it matters |
|---|---|---|---|
| Straight flush | Five suited cards in sequence | Video poker and poker games | Usually a premium hand |
| Royal flush | A-K-Q-J-10 suited | Video poker paytables | Top straight flush category |
| Flush | Five cards of one suit | Poker-hand rankings | Suit without sequence |
| Straight | Five cards in sequence | Poker-hand rankings | Sequence without same suit |
Where You See It
You see straight flush in video poker paytables, poker-hand ranking charts, poker side bets, and carnival games such as Three Card Poker variants and other poker-based layouts.
Why It Matters
Straight flush matters because players often confuse the parts of the hand.
A hand can be a straight without being a flush. It can be a flush without being a straight. It only becomes a straight flush when both are true. In video poker, that distinction can mean a major payout difference.
Example
You are dealt 5♦ 6♦ 7♦ 8♦ 9♦ in video poker.
That is a straight flush. The cards run in order and share the same suit. If one card were a club instead of a diamond, the hand would not be a straight flush even if the numbers still formed a straight.
From the Casino Side:
From the casino side, straight flush is a paytable and rules term. It helps define payouts, hand rankings, side-bet results, and dispute decisions.
The floor does not pay based on how close the hand looks. Staff pay according to the approved ranking rules and the posted paytable. If a card breaks the sequence or suit, the hand falls into a lower category.
Common Misunderstanding
The common mistake is treating “almost suited” or “almost in order” as if it should count.
Casino games do not award almost-hands unless the rules specifically define a bonus for them. A four-card straight flush draw is not a straight flush yet.
Hard Truth
A straight flush is rare because it requires two things at once. Missing either one is not a bad beat in the rules. It is simply a different hand.
Related Terms
| Term | Difference | Best page to read next |
|---|---|---|
| Royal Flush | Ace-high straight flush | Royal Flush |
| Wild Royal | Royal completed with wild card | Wild Royal |
| Full House | Three of a kind plus a pair | Full House |
| Paytable | Shows the payout | Paytable |
| Strategy Chart | Helps with draw decisions | Strategy Chart |
FAQ
Is a royal flush a straight flush?
Yes. A royal flush is the highest straight flush: A-K-Q-J-10 of the same suit.
Is a straight flush better than four of a kind?
In most poker-hand rankings, yes. In video poker payouts, always check the paytable because payout size is game-specific.
Can a straight flush use an ace low?
In many poker rules, A-2-3-4-5 suited can count as a low straight flush. The exact rule depends on the game.
Does a four-card straight flush draw pay?
Usually not by itself. It is a draw, not a completed hand, unless a special side bet says otherwise.
Why does the paytable separate royal flush and straight flush?
Because the royal flush is rarer and usually pays more than other straight flushes.
Deeper Insight
Straight flush is important because it shows how poker-hand value depends on both structure and frequency. It is not just a pretty hand. It is a rare result that paytables price separately.
In video poker, straight flush draws can create difficult strategy decisions because the draw may compete with a made paying hand. The correct choice depends on expected value.
Formula / Calculation
Hand Value = Probability of Completing the Straight Flush × Straight Flush Payout
Decision Value = Value of Current Made Hand vs Value of Draw
Formula Explanation in Plain English
A straight flush draw is worth chasing only when the average value of the possible outcomes beats the value of the hand you already have. The correct play comes from the paytable, not from the excitement of the draw.
Related Reading
For nearby hand rankings, read Royal Flush, Wild Royal, and Full House. For machine math, read Paytable and Expected Value. For broader game context, see Video Poker and Carnival Games.