Aer Lingus Underseat Cabin Bag | Fits 40x30x20cm – Flight Knight

This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.

FREE SHIPPING ON ALL UK ORDERS

ORDER BEFORE 3PM FOR SAME DAY DISPATCH

10% OFF ANY 2 CASES - 15% OFF ANY 3 CASES

Aer Lingus Underseat Cabin Baggage

Aer Lingus includes one free personal item up to 40 x 30 x 20cm on all fares. This must fit under the seat in front of you. Overhead locker bags are not included with basic fares — they need to be purchased separately or come with higher fare types.
The Flight Knight 40x30x20cm cabin case is designed to meet Aer Lingus' free personal item allowance exactly. It makes the most of the maximum permitted dimensions while staying within the limit.
Yes, Aer Lingus charges for overhead cabin bags on most fares. These are sold as Plus Bags or included with Advantage fares. If you only need the underseat personal item, that's included for free across all fares.

Aer Lingus allows overhead cabin bags up to 55 x 40 x 24cm when purchased as a Plus Bag or included with an Advantage fare. The free personal item allowance is the smaller 40 x 30 x 20cm.
Yes — if you've purchased or included an overhead cabin bag on your booking, you can also bring a personal item (40 x 30 x 20cm) under the seat. Basic fare passengers are limited to the personal item only.
Yes, Aer Lingus permits hard shell bags as your free personal item as long as they fit within 40 x 30 x 20cm. Flight Knight's compact hard shell cases in this size are a practical choice for Aer Lingus travel.

Blog Posts

Airline Cabin Bag Size Guide

Airline Cabin Bag Size Guide

Updated Airline Cabin Baggage Restrictions

Stock Up & Save

Any 2 Suitcase items - 10% OFF
Any 3 Suitcase items - 15% OFF

Free Same Day Dispatch

On Orders Placed Before 3pm

Buy Now, Pay Later

Klarna Available at Checkout