The move follows the interception of a missile fired towards Riyadh on Saturday which the coalition has described as a "dangerous escalation" by the Iran-allied Houthi militia which controls large parts of Yemen.
Saudi Arabia on Saturday intercepted and destroyed a "ballistic missile" northeast of the capital Riyadh after it was launched from Yemen, state media reported.
A gunman killed two staff at a private school owned by a prominent Saudi billionaire in Riyadh on Wednesday, a security source told AFP. The school was closed and no children were there at the time, said the US embassy in Riyadh.
Cebu Pacific Air (CEB) has announced that it will suspend its service to and from Qatar, Saudi Arabia, and Kuwait.
Riyadh city authorities have started clearing the capital's neighbourhoods of illegal markets operating on residential plots following a government order that was passed in December.
Sky Prime Aviation Services has become the latest aviation company in Saudi Arabia to be awarded a national air operator licence under an ongoing liberalisation of the kingdom's aviation market.