Aer Lingus Considers New Takeover Offer From British Airways Parent. AIRLINES AND AIRPLANES, Mergers, Acquisitions and Divestitures, AER LINGUS AIRLINES, British Airways PLC, Heathrow Airport (London, England), Iberia Lineas Aereas de Espana SA, International Consolidated Airlines Group SA, Ryanair Holdings PLC, Vueling, Great Britain, Ireland