Foreign Ministry spokesperson Esmaeil Baqaei on Sunday offered condolences to the South Korean and Thai governments and nations and the families of victims of the plane crash.
At least 127 passengers have been killed after a plane crashed while landing at Muan International Airport in South Korea on Sunday.
The Jeju Air flight from Bangkok was carrying 181 people on board when it left the runway and smashed into a wall before bursting into flames.
There were six members of cabin crew onboard the flight, with reports that two survivors pulled from the wreckage were both flight crew.
The plane's passengers included two Thai nationals.