https://www.devex.com/people/what-is-the-cancellation-policy-for-lufthansa-2197988

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https://www.devex.com/people/how-late-can-i-cancel-my-singapore-airlines-flight-2198841

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https://www.devex.com/people/usa-what-is-the-cheapest-day-to-book-alaska-airlines-call-2198803

Within 24 hours Yes, Singapore offers a 24-hour risk-free cancellation policy. You can cancel any flight within 24 hours of booking for a full refund, as long as the flight was booked at least 7 days before departure at +1-833-444-7613(US) OR [UK] +1-833-444-7613 Does Singapore Airlines have free cancellation? Singapore Airlines allows cancellations with full refunds within 24 hours of booking, provided your departure is at least two days away. https://www.devex.com/people/how-late-can-i-cancel-my-singapore-airlines-flight-2198841

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