Core Viewpoint - The article discusses the special handling of tickets for flights to and from Japan by three major Chinese airlines: China Southern Airlines, Air China, and China Eastern Airlines, in response to recent travel advisories issued by the Ministry of Foreign Affairs of China. Group 1: China Southern Airlines (南航) - Applicable tickets include those purchased or exchanged before November 15, 2025, for flights to and from Japan between November 15, 2025, and December 31, 2025 [2] - Ticket change rules allow for the first change to the same itinerary without a fee, while subsequent changes are subject to ticket conditions [2] - Refunds can be requested without a fee within the ticket validity period, but previously changed tickets will follow original ticket conditions for refunds [2] Group 2: Air China (国航) - Applicable conditions for tickets include those purchased before November 15, 2025, for flights to specific Japanese cities during the same travel window [4] - Ticket change rules allow for the first change without a fee, but fare differences may apply, and subsequent changes must adhere to ticket conditions [5][6] - Refunds can be processed without a fee for unused segments within the ticket validity period, with conditions applying for previously changed tickets [7] Group 3: China Eastern Airlines (东航) - Applicable tickets include those issued before November 15, 2025, for flights involving Japan between November 15, 2025, and December 31, 2025 [10][11] - Change policies allow for one free change within three days before or after the original flight, with further changes subject to ticket conditions [13] - Refunds for unused segments can be processed without a fee, with conditions for previously changed tickets [13]