Swallow frequently
Yawn intentionally
Chew gum or suck on hard candy
Try the Valsalva maneuver gently
Try the Toynbee maneuver
Use a saline nasal spray
Treat nasal congestion or allergies
Stay hydrated
Avoid rapid altitude changes when possible
Ascend or descend slowly
Use filtered earplugs for flying if needed
Avoid forceful nose blowing
Sleep with your head elevated if congested
Use a decongestant only if appropriate for you
See a doctor if the popping is painful, persistent, or affects hearing