With Clogged Ears - Flying

If you are already congested from a cold or allergies, your risk for ear pain is higher. Airplane ear - Symptoms & causes - Mayo Clinic

If you have an active middle ear infection (otitis media) or a severe sinus infection, most ENT doctors will advise you not to fly. The pain is often unbearable, and the risk of permanent hearing damage is real. flying with clogged ears

Dehydration thickens mucus, making clogs worse. Drink water constantly. Avoid alcohol and caffeine, which dry out nasal passages. If you are already congested from a cold