saamwinchester799 Posted Wednesday at 11:45 AM Report Share Posted Wednesday at 11:45 AM What is the 24 hour rule for KLM? The 24-hour rule for KLM allows passengers to cancel or modify their flight within 24 hours of booking without penalty 1-866-829-0622 (US) "+44 (808) 599-8702 (UK) The 24-hour rule for KLM allows passengers to cancel or modify their flight within 24 hours of booking without penalty "+44 (808) 599-8702 (UK) or 1-866-829-0622 (US). Quote Link to comment Share on other sites More sharing options...
