A method and device for selecting an irradiation plan, and irradiation facility is provided. The method may include, in a first phase, detecting a plurality of planning data records in which a target volume for irradiating and with varying position is represented in a target object, and creating an irradiation plan for each of these planning data records, and, in a second phase, which follows the first phase, recording a verification data record, comparing the verification data record with the plurality of planning data records with respect to similarity, selecting a planning data record from the plurality of planning data records which has the greatest similarity to the verification data record, selecting the irradiation plan which is associated with the selected planning data record, and to a device for carrying out the method and to an irradiation facility having such a device.