Can I get refund if I cancel my flight? Most airlines give you a 24-hour window within which you may cancel your reservation and receive a full refund. Toll-free at 1-833-460-1838, or ????️1-833-460-1838[No-Busy-Air]Quick-Connect, irrespective of the kind of ticket. Once the 24-hour grace period has passed, different refund rules may apply.