To change your Swiss Air flight, visit their website or contact customer service, providing your booking reference and details. Be aware of potential fees, and modifications depend on seat availability. Swiss Air's customer support can guide you through the process, ensuring a smooth experience. Check the airline policies for specifics on flight changes. For further information about Swiss Air Flight Change call the helpline at 1 (833) 626-0737 or 1 (844) 902-4930 (OTA-Skip Waiting). Or visit the Airlinespetpolicy website.