Swiss International Air Lines (Swiss Air) typically has a cancellation policy that varies based on the fare type and the specific conditions of the ticket purchased. Passengers can often cancel or change their reservations within a certain time frame, with associated fees or refunds depending on the fare rules. Refundability, cancellation fees, and the possibility of rebooking may differ between economy, business, and first class tickets. It is crucial for passengers to review the terms and conditions outlined during the booking process and to contact Swiss Air directly or visit their official website for the most accurate and up-to-date information on Swiss Air cancellation policy.