The runway was hit by two missiles, witnesses said, a day after the civil aviation authority in Sanaa announced it would temporarily reopen the airport, which has been targeted frequently by air strikes.
Earlier today, warplanes hit a nearby airbase, following a night of intensive bombardment of Shiite Huthi rebel positions in their northern stronghold of Saada.
Saudi Arabia yesterday announced a humanitarian ceasefire in Yemen starting May 12, but has vowed to step up retaliatory strikes on the rebels, which it accuses of launching cross-border attacks on the kingdom.