BANGKOK – Suvarnabhumi Airport has just announced a major policy change for young Thai travelers flying overseas. Starting in August 2026, all Thai minors under the age of 18 must show their birth certificates. Acceptable Documents for Airport Immigration CheckpointsYou might be wondering what exactly you need to bring to the airport right now. The Global Context of Child Travel RestrictionsThailand is not the only nation tightening its border rules to protect vulnerable youth today. The Suvarnabhumi Airport Immigration Checkpoint officially issued this important public notice on August 3, 2026.