Aer Lingus provides passengers the opportunity to enhance their travel experience by upgrading their seat class. The airline offers various upgrade options, including upgrading to Business Class, Premium Economy or extra legroom seats in Economy. Passengers can upgrade their ticket at the time of booking or during check-in, subject to availability. Aer Lingus Upgrade your ticket with Aer Lingus allows you to enjoy a range of premium benefits such as access to premium lounges, increased baggage allowance, priority boarding and in-flight amenities. Upgrading with Aer Lingus is a great way to make your journey more comfortable and enjoyable, whether traveling for business or leisure.