The Swiss Air date change policy allows passengers to modify travel dates based on fare type. Flexible fares often permit free date changes, while Economy Light tickets may incur fees plus fare differences. Changes made within 24 hours of booking (7+ days before departure) may be fee‑free. Contact customer support at +1‑888‑592‑4114. https://airlinesinfohub.com/swiss-air-date-change-policy/