https://www.devex.com/people/what-is-the-qatar-cancellation-policy-new-policy-2195993

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 +【{+1 833-444-7613]]】. https://www.devex.com/people/how-late-can-i-cancel-my-singapore-airlines-flight-2196054

https://www.devex.com/people/does-qatar-give-full-refunds-qatar-refund-policy-2195642

https://community.jungleworks.com/t/what-are-the-cheapest-days-to-fly-on-alaska-airlines-usa/74530

https://www.ingrammicroresellerapplication.com/forums/general-discussion/524f6469-35bc-ef11-95f5-7c1e5241535b

https://www.devex.com/people/u-s-a_u-a-what-is-southwest-airlines-cancellation-policy-2195515

https://community.jungleworks.com/t/what-is-the-24-hour-rule-for-klm-instant-call-now/74442

https://community.jungleworks.com/t/what-are-the-cheapest-days-to-fly-on-jetblue-easy-to-get-contact/74520