When flying from Grand Cayman to Barcelona, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Great question - GCM to BCN just means George Town Owen Roberts Intl Airport to Barcelona-El Prat Airport. Now you’ll know what these unique codes when you look for flights! Ready for more IATA code knowledge? These are related airports for your current travel destination: Girona Costa Brava Airport (GRO), Reus Airport (REU), La Seu d'Urgell Aeroport De La Seu Airport (LEU), Lleida-Alguaire Airport (ILD).