Aer Lingus Baggage Policy helps travelers pack efficiently. Every passenger is allowed a cabin bag and personal item onboard. Checked baggage allowance varies—light, plus, and advantage fares come with different weight limits. Overweight and extra luggage incur fees at check-in. Need to carry sports gear or instruments? Aer Lingus has special policies for these items. Infant travelers get a free stroller and car seat allowance. It’s best to prepay for baggage online to save on costs. Check exact dimensions and limits before flying. Aer Lingus keeps its policy clear, making it easier for passengers to travel smart and light.