Price and Echegoyen have been two surprise packages of the competition and came through their respective semi-finals with 2-1 victories. The final kicks off at 13:05 local time on the Nothe Course.
Semi final losers Ekaterina Skudina (RUS) and Silja Lehtinen (FIN) will fight for bronze and go at 12:00.
A fresh easterly wind in up to 22 knots will make for an exciting finale to the competition.
Follow all the action on the ISAF Olympic Live Blog which will bring competition updates and instant reactions to the action on the race course. Fans can check in and ask our media team questions to get the very latest information. The blog will start one hour before racing each and every day of the competition.