What is the 24 hour rule for Lufthansa?Lufthansa adheres to the 24-hour rule, which permits customers to modify their reservations or cancel their Flights without being charged a penalty within 24 hours of making their purchase. 🛬 + 📞✈️+𝟏-𝟖𝟎𝟖-𝟖𝟏𝟖-𝟑𝟓𝟓𝟓 (Qatar - US line) or +𝟒𝟒-𝟐𝟎𝟑-𝟗𝟎𝟎-𝟎𝟓𝟓𝟔(𝕌𝕂) (𝓛𝓲𝓿𝓮 𝓟𝓮𝓻𝓼𝓸𝓷) Live Support (OTA)(Travel Support).