He pitted on lap 31 but continued to struggle for pace, eventually finishing 36 seconds behind race victor - and team-mate - Valtteri Bottas.
After his first stop, Ferrari informed him of his delay on Valtteri Bottas.
Raikkonen finished third while Red Bull's Max Verstappen completed the top five.
"A big congratulations to Valtteri, he did an exceptional job all weekend - he was quickest". The change in landscape is certainly a major treat to fans as the races are no longer just fought between two drivers with the same team, which was exactly the case since Mercedes started its dominance in the sport in 2014.
Valtteri Bottas is targeting the Formula One world championship, after securing his first win at the Russian Grand Prix on Sunday.
'It took quite a while to win - more than 80 races for me - but it was definitely worth the wait and worth the learning curve.
"There was this unusual opportunity that happened in the winter that made this possible", Bottas said. "We're out of the race now", Hamilton told his team on lap 16.
Meteor Shower peaks Friday night, Saturday morning
It's in the southern sky if you're in the northern hemisphere, and in the northern sky if you're in the southern hemisphere. Experts anticipate that viewers of this celestial show will be able to see as many as 30 meteors an hour streak in the sky.
"We need to understand where the speed was this weekend, what went wrong with the set-up and come back fighting for the next race". With these new cars you definitively lose more downforce, when you're already two or three second behind them, so it was tricky to get close and pass them without losing time. His win shows it's not clear-cut who's better suited to take the fight to Ferrari.
The British driver, who has won two times in Sochi, was having trouble with the soaring temperatures on his Mercedes vehicle.
Australian Red Bull Racing driver Daniel Ricciardo was forced to retire from the Russian Formula One Grand Prix on the fifth lap, after noticing an apparent mechanical problem with one of his brakes.
Wollf said: "To be Lewis Hamilton's teammate and take over the reigning world champion's auto, I think he has done a very good job".
The Haas driver bumped into Palmer, who lost control of his Renault and then inadvertently took both he, and Grosjean out of the race.
The only blip in a near-faultless race from Bottas was a lock-up at Turn 13 on lap 38, which forced him to briefly run wide, and hurt him in the later stages of the race as Vettel closed in.
In the end, Bottas managed to cross the line just 0.617 seconds after Vettel.
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