Yes, details can be changed but there are limitations on the changes according to what has been booked originally. If changes are permitted, then there would be a cost depending on what has to be changed. We recommend you to contact us, only after checking your reservation details, we can advise if amendments are possible and how much charge it will incur. There would be an administration charges of GBP 50.00 per person in addition to the charges levied by airlines.