They get a bonus just not as big as the members of the winning team.
$53,000
According to About.com the losing players get paid $42,000 as a bonus for making it to but not winning the Super Bowl. The same site says that the winning team's players get $83,000. Also, the Super Bowl MVP usually gets a special prize, in recent years it has been a new car.
The losing team does get a monetary bonus.
No team has qualified for the Playoffs with a losing record, therefore, never getting a chance to qualify of the Super bowl.
the Vince Lombardi trophy
Each player on the losing team will get a $44,000 dollar bonus.
The Kansas City Chiefs won Super Bowl IV, three years after losing the first Super Bowl to the Green Bay Packers.
Kansas City Chiefs
50,000
Through Super Bowl XLII, that has never happened.
The Seahawks were the losing team in Super Bowl XL. This was the only appearance for the Seahawks in a Super Bowl.
50 million dollars