The blockade worsened the plight of millions at risk of starvation.
Planes carrying medical supplies were allowed to land in the capital, Sanaa, on Saturday but this is the first shipment of food aid to be let in.
The blockade was imposed on 6 November after a missile attack on Saudi Arabia.
The coalition blocked off land, sea and air routes two days after the Houthi rebels they are fighting in Yemen fired the missile at the Saudi capital, Riyadh. It was intercepted over the international airport.
