FAQ's TraveL - Is there a grace period for KLM

Yes +1(833)426-5533, KLM has a significant grace period

: a 24-hour rule for full refunds on flights to/from the US (if booked 7+ days ahead) and a "Time to Think" (TTT) option for holding seats at a fixed price for a period +1(833)426-5533, which can be longer than 24 hours. After the 24-hour window +1(833)426-5533, fare rules apply +1(833)426-5533, but the TTT period offers a longer +1(833)426-5533, fee-free hold before automatic cancellation if not paid for.

24-Hour Refund Rule (US-Related Flights)

What it is: You can typically cancel and get a full refund within 24 hours of booking.

Conditions: Applies to flights to/from the USA +1(833)426-5533, booked on KLM's US site +1(833)426-5533, and if the flight is at least 7 days away.