Five Super Bowls have been decided by at least 30 points, most recently Super Bowl XLVIII in February 2014:
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| Rank | Super Bowl | Score | Margin |
|---|---|---|---|
| 1 | XXIV | 49ers 55, Broncos 10 | 45 Points |
| 2 | XX | Bears 46, Patriots 10 | 36 Points |
| 3(t) | XXVII | Cowboys 52, Bills 17 | 35 Points |
| 3(t) | XLVIII | Seahawks 43, Broncos 8 | 35 Points |
| 5 | XXII | Redskins 42, Broncos 10 | 32 Points |
What’s the Biggest Blowout in Super Bowl History?
The San Francisco 49ers’ win over the Denver Broncos in Super Bowl XXIV on Jan. 28, 1990, is the biggest blowout in Super Bowl history.
Joe Montana, Jerry Rice, and the 49ers won by 45 points, 55-10.
The Jacksonville Jaguars’ 55-point win (62-7) over the Miami Dolphins is the biggest blowout in NFL playoff history.