You can check in online 24 hours before your flight and select your desired seat before arriving at the airport. This way, you will be able to preserve your time at the airport and have plenty of time. This is the online way of making your check-in. You can also make a Philippine Airlines check-in via the phone call process. You just need to dial the Philippine airline’s official customer service number. Just dial 1-800-435-9725 and choose a preferred language when asked. Follow the given IVR options. • Press 1 to book a flight. • Press 2 to make a change in flight. • Press 3 to cancel an existing flight. • Press 4 to request a refund. • Press 5 to learn about online check-in. Press’ 5’ on the mobile phone keypad and wait for an agent to get connected with you regarding your concern. The agent will then guide you with the further process and steps you need to take in order to complete the check-in process.