[4][5] On 28 June 2018, IAG announced that the subsidiary would operate four Airbus A321 aircraft previously used by Air Berlin under the Level brand, as opposed to the "Vueling Austria" brand as first planned, and would later launch 14 destinations from Vienna from 17 July 2018 through 13 August 2018.

[4][6] On 14 March 2019, IAG announced plans to use the airline to open a new base at Amsterdam Airport Schiphol beginning from 6 April 2019, with seven routes and three Airbus A320 aircraft to be transferred from Vueling, its parent company, between March and August 2019.

[7] In late December 2019, the airline's name was changed from Anisec Luftfahrt to Level Europe.

[8] In March 2020, Level Europe's fleet was grounded and its operations were suspended due to the COVID-19 pandemic and its effects on air travel demand.

At the time Level Europe ceased operations in June 2020, its fleet consisted of the following aircraft:[10] Short-haul flights operated by Level Europe did not earn Avios points on any frequent-flyer program affiliated with IAG's airlines.