Aer Lingus baggage policy depends on your fare and route, but generally includes one 10kg carry-on bag and one small personal item for all passengers. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) Checked baggage allowances vary, with Smart and Flex fares usually including one 23kg (50 lb) checked bag, while Saver fares require additional fees for all checked bags. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) Fees for additional bags or excess weight apply, and these can be cheaper if booked online in advance.