+1-866-596-5078(OTA) You can cancel a flight without paying a fee if you do it within 24 hours of booking and the flight is at least 7 days away. +1-866-596-5078(OTA)Also, if you’ve booked a refundable fare or your flight was canceled or significantly delayed by the airline, there’s usually no charge. To explore your cancellation options and avoid unnecessary fees, call +1-866-596-5078(OTA).