Croatia started the find their range as the second half wore on and Perisic levelled for Croatia in the 68th minute, nipping ahead of Kyle Walker to steer home Sime Vrsaljko's cross past a diving Jordan Pickford.
Vecernji's website devoted an unusual amount of space to gloating over the fate of the losing team, with headlines such as "Football's not coming home", "The arrogance hit them back", "The English are sore losers" and even published a photo gallery titled "Look how the English cry after losing to Croatia" with pictures of downbeat players and fans.
With his first worldwide goal, just over a year after his England debut, the 27-year-old Trippier joined David Beckham as the only English players since 1966 to score on free kicks at the World Cup.
"I think in the first half, we were really good and we maybe could've got another and in periods throughout the game we had chances".
"It hurts. I don't know what else to say".
However, they have taken a gruelling route to the final and the French will be warm favourites.
The quarter-final against Sweden saw England triumph with a relatively comfortable 2-0 win over Sweden, setting up Wednesday's semi-final against Croatia. There will be legitimate questions about how much they have left in the tank. It is highly unlikely the first trophy in your career is going to be the World Cup.
Mandzukic alertly reacted to the unexpected ball in the penalty area, splitting defenders John Stones and Harry Maguire, who had taken four short steps up.
Jesse Lingard brilliantly found Dele Alli on the edge of the box, and when the Spurs man was fouled it presented a flawless opportunity for either Trippier or Ashley Young to take an early pot at goal.
Ivan Perisic equalised for Croatia in the 68th minute before Mario Mandzukic scored the victor with 11 minutes remaining of extra time.
In Moscow, Croatia fans said they were taken aback by their side's win.
After the match, England's fans stayed behind to praise their team.