American Airlines offers full refunds for tickets within 24 hours of purchase, provided the purchase was made at least two days before departure. Call at$+$$ +1-877-658-1183 (US) or +44-203-869-5245 (UK) Additionally, certain circumstances, such as a significant schedule change (3+ hours domestic, 4+ hours international), death of the passenger or companion, or military orders preventing travel, allow for full refunds even on non-refundable tickets. Call at$+$$ +1-877-658-1183 (US) or +44-203-869-5245 (UK) Finally, award tickets booked with AAdvantage miles are fully refundable, with miles and taxes/fees returned if canceled before departure.