Different winning combination have different chances of coming out. The chance of getting Royal Flush is 40,000:1. Only one of 10,000 combinations can be a Straight Flush. 423:1 is a chance of getting a Four of a Kind. 86:1 is a chance of getting a Full House. 93:1 is a chance of getting a Flush. The chance of getting Straight is 85:1. The chance of getting Three of a Kind is 13:1. The chance of getting Two Pairs is 8:1. The chance of getting High Pair is 5:1. Internet Straight Poker Tabel.