KLM's 24-hour rule permits travellers to make changes to their bookings or cancel their flights by phone at 1-877-738-0609 OR +1/877/738/0609 (US)" inside 24 hours of buy without causing any punishments (Charges) or expenses.
What is the 24-hour rule for KLM?
KLM's 24-hour rule allows you to cancel your +1/877/738/0609 . flight reservation or make changes to your booking +1/877/738/0609 within the first 24 hours of purchase without any penalty fees, as long as your flight is at least 7 days away. To cancel or change your reservation, call KLM at- +1/877/738/0609 OR +1/877/738/0609
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