TUI's refund policy depends on the situation: for TUI-cancelled flights, you are entitled to a refund or a rebooking, and can receive a refund in cash or credit within seven days of the airline's responsibility date. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) For customer-initiated cancellations, TUI charges fees that vary depending on how far in advance you cancel, as well as the type of booking you made. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) To get a refund for TUI-cancelled flights, you will need to go to TUI's "Manage Booking" section and select to cancel your flight, then fill out the refund form.