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Objectives: The COVID-19 pandemic and the consequent lockdown came as a storm disrupting people’s everyday life. This study aimed at observing whether the COVID-19 related lockdown influenced migraine frequency and disability in migraine patients on therapy with monoclonal antibodies inhibiting the CGRP pathway. Methods: In this longitudinal observational cohort study, 147 consecutive patients receiving monthly administration of erenumab or galcanezumab were enrolled in four Italian headache centers. All patients filled a questionnaire concerning working and household settings, recent flu symptoms or COVID-19 diagnosis, and family loss due to COVID-19 infection. Monthly migraine days (MMDs), monthly painkiller intake (MPI), and HIT-6 disability relative to the first month of lockdown imposition (T-lock) and the month before (T-free) were also collected. Results: From T-free to T-lock, the cohort displayed a reduction in MMDs (from 10.5 ± 7.6 to 9.8 ± 7.6, p =.024) and HIT-6 scores (from 59.3 ± 8.3 men reduced MPI more frequently than women (p =.005). Conclusions: Our study observed that the lockdown impact to 57.8 ± 8.8, p=.009), while MPI resulted unchanged (from 11.6 ± 11.5 to 11.1 ± 11.7; p =.114). MMDs, MPI, and HIT-6 variations from T-free to T-lock did not differ according to work settings or household. Patients beyond the first 3 months of therapy presented less often a reduction in MMDs (p =.006) and on everyday life did not affect the migraine load in patients receiving monoclonal antibodies inhibiting the CGRP pathway. Patients in the first months of therapy experienced a greater improvement according to drug pharmacokinetics, while women more frequently needed rescue medications, possibly indicating presenteeism or cephalalgophobia.