The charter airline company, Eirjet, has confirmed that it has suspended all flight operations because of financial difficulties and fears about its future.
The Shannon-based company had been operating charter services out of Dublin, Belfast, Cork, Shannon and Knock.
The company leased passenger aircraft to holiday tour operators such as JWT, Sunworld and Toplight.
Eirjet had been granted a temporary 10-day licence to operate by the Commission for Aviation Regulation up until 27 October. The company was due to continue its charter business out of both Dublin and Belfast up until 29 October.
A company spokesperson said they had voluntarily suspended their flight operations because of continuing financial difficulties, to ensure that members of the public would not be inconvenienced.
Tour operators are making alternative leasing arrangements.
Eirjet says it is continuing to try to negotiate finance which will secure its future.
The company added that the season in which it operated was coming to a natural end by 29 October.