Originally Posted by
palmanfr
Although I hope most of use could fly this trip, for the ones who may get a partial refund with deduction of any fee from an obscure OTA following the cancellation of tickets, there has been a European Jurisprudence in 2019 in a case against an OTA who sold Vueling tickets with a commission and the court decided that any difference between the price paid by the passenger and the amount received by the airline should also be refunded, unless that commission was set without the knowledge of the airline, but that needs to be proved (
Link)
This isn't a commission - this is a refund/service/administration fee. So that sadly doesn't seem relevant here.