First of all you must buy a ticket, without a ticket you cant get on the plane.After that you must go at the lugage check, so they make sure you dont cary any forbidden items.If your lugage is heavier than admited you must pay an extra fee.After that you must pass the security check in, at wich you must place all your metal objects in a plastic reciepent and go through the gate wich will detect if you have any left on you.Once your done with this, just two things left: Pasport check and you can board on plane after that by presenting your board in pass.Have a safe flight.