Source: https://www.britishairways.com/en-gb/destinations/barcelona/flights-to-barcelona?DM1_Channel=AFF&DM1_Campaign=UKI_GB_EN_PHG_ALWAYSON&DM1_Site=PHG&utm_source=PHG&utm_medium=Affiliate&utm_campaign=UKI_GB_EN_PHG_ALWAYSON