The Seattle Seahawks won their only Super Bowl on February 2, 2014, in Super Bowl XLVIII, defeating the Denver Broncos 43–8.

Quick Scoop

  • The Seahawks’ Super Bowl win came after the 2013 NFL season, with the championship game played in early 2014.
  • It was the franchise’s first and so far only Super Bowl title as of late 2024.
  • They dominated the Denver Broncos 43–8 at MetLife Stadium in New Jersey.

Extra context

  • This victory was in Super Bowl XLVIII, where Seattle’s defense (the “Legion of Boom”) overwhelmed Denver’s top-ranked offense.
  • The Seahawks have appeared in three Super Bowls overall (2006, 2014, 2015), but the 2014 game is their only championship win to date.

TL;DR: The answer to “when did Seahawks win Super Bowl” is February 2, 2014 (Super Bowl XLVIII vs. Broncos, 43–8).

Information gathered from public forums or data available on the internet and portrayed here.