Thank you for this interesting information: may I ask you what type of ticket it was, an international flight? Could you, by any chance, provide the cost of the ticket (as in the screenshot below)? I have never seen such high service fees on the tickets offered by Pegasus. Even very expensive flights usually do not have a service fee higher than 25 EUR. So I'm wondering if it's really this service fee that's not refundable or if it's something else?