After falling to Xherdan Shaqiri’s free kick, Roy Hodgson’s men rallied back with second-half strikes from James McArthur and Patrick van Aanholt to secure the three points, enough to seal their place in the top-flight next term.
However, the result saw their hosts relegated to the Championship after a ten-season stay in thr top division.
The Cote d'Ivoire international played a key role for the Eagles this season, scoring eight goals and three assists despite struggles with a knee injury.
And following the feat, the former Manchester United player has taken to the social media to express his joy.
“My face sums up today! This season has been a war for us and literally a test of character but I’m glad we got the job done,” Zaha tweeted.
Crystal Palace will welcome West Bromwich Albion to the Selhurst Park for their last game on May 13.