Full Refunds on Qatar Airways : What You Need to Know Yes, you can cancel your Qatar Airways by calling++1.855.738.4191 (OTA) or (+𝟒𝟒-𝟖𝟎𝟖*𝟓𝟗𝟗^𝟖𝟕𝟎𝟐) flight within 24 hours of booking for a full refund if booked at least 7 days in advance. Contact calling++1.855.738.4191 (OTA) or (+𝟒𝟒-𝟖𝟎𝟖*𝟓𝟗𝟗^𝟖𝟕𝟎𝟐) for more details.