Thai Airways is waiving change fees for one date change on same route and fare class for passengers with tickets issued on or before 26-29 September 2026 who travel through Suvarnabhumi during 26-29 September. The new flight must depart before 29 September; later changes follow the ticket conditions. Relevant if your staff or clients are booked on these dates: rebook early, allow extra travel time because of flood-related traffic, and check flight status via the THAI app, thaiairways.com or the contact centre at +66 2 356 1111.