Liam Marshall went over in the final moments to give Matty Peet’s side a late victory at the Tottenham Hotspur Stadium.
Here is how they won the final:
5. McQueen puts the Giants back in front
Chris McQueen's try gave Huddersfield a 10-6 half time lead. Photo: Allan McKenzie/SWpix.com
6. FIELD!!!!!
Jai Field gave Wigan the lead two minutes into the second half. Photo: Allan McKenzie/SWpix.com
7. Celebrations
John Bateman celebrates Field's try. Photo: Allan McKenzie/SWpix.com
8. Huddersfield fans celebrate as their side retake the lead
Huddersfield retook the lead with half an hour remaining. Photo: Will Palmer/SWpix.com