EIChecked 20 Oct 2026 against aerlingus.com
Aer Lingus cabin bag size 2026
On Aer Lingus’ cheapest fare (Saver) you can bring one free under-seat bag up to 40 × 30 × 20 cm. A cabin bag up to 55 × 40 × 24 cm and 10 kg isn’t included on Saver. It comes with Plus, Advantage & AerSpace, Economy Saver / Smart / Flex and Business / Business Flex.
Check my bag against Aer Lingus- Free under-seat bag
- 40 × 30 × 20 cmOn Saver
- Overhead cabin bag
- 55 × 40 × 24 cmup to 10 kgNot on the cheapest fare
Check your bag against Aer Lingus’ limits
Aer Lingus cabin bags by fare
What each ticket type includes, as published by Aer Lingus.
| Fare | Under-seat bag | Cabin bag |
|---|---|---|
Saver
| Included 40 × 30 × 20 cm One small item like a handbag, laptop, duty-free or baby changing bag, under the seat. No weight limit given. | Paid add-on 55 × 40 × 24 cm · 10 kg Book a 10 kg carry-on bag online, or drop it at check-in free From €9.99 / £9.99 online You can still bring a 10 kg bag: without a paid 10 kg Carry-on bag, drop it at check-in for free. |
Plus, Advantage & AerSpace
| Included 40 × 30 × 20 cm Must go under the seat in front of you. | Included 55 × 40 × 24 cm · 10 kg Included, so you take your 10 kg bag on board; the free check-in drop-off doesn't apply. |
Economy Saver / Smart / Flex
| Included 40 × 30 × 20 cm Must go under the seat in front of you. | Included 55 × 40 × 24 cm · 10 kg Everyone flying to or from North America can bring a 10 kg cabin bag, in the overhead locker if there's space. |
Business / Business Flex
| Included 40 × 30 × 20 cm Must go under the seat in front of you. | Included 55 × 40 × 24 cm · 10 kg The same 10 kg cabin bag allowance as everyone flying to or from North America. |
Aer Lingus measures the whole bag, including wheels, handles and pockets.
If your bag is too big at the gate
Bring a 10 kg bag to the gate without booking one and it goes in the hold for a fee, paid by QR code at the gate.
€35 / £35 at the gate
It’s almost always cheaper to add the right bag when you book or online before you fly.
Other Aer Lingus cabin rules worth knowing
- Size and weight limits are strictly enforced; bags must fit the airport gauge, including wheels and handles.
- A 10 kg cabin bag is also included for AerClub Silver, Platinum and Concierge members (member only) and adults travelling with an infant.
- Connecting to or from an Aer Lingus transatlantic or interline partner flight, or on an Economy fare bought via British Airways? It's included too.
- You must lift your bag into the overhead locker without help. In row 1 or at an emergency exit, all your bags go in an overhead locker.
- Bags may be moved to the hold if locker space runs out or they're over the limits.
- EU liquids rules apply; flights departing the USA follow TSA rules.
Also check before you fly Aer Lingus
Power banks on Aer Lingus
Aer Lingus allows up to 2 power banks of up to 100 Wh each, and you can't use or charge them during the flight.
Power-bank rules and Wh calculatorLiquids depend on the airport
The airline doesn’t set the liquids limit — the departure airport’s security does. Some now allow up to 2 litres.
Liquids rules by airportAer Lingus cabin bag questions
What size is Aer Lingus’ free under-seat bag?
40 × 30 × 20 cm on the Saver fare. It must fit under the seat in front of you.
What size cabin bag can I take on Aer Lingus?
Up to 55 × 40 × 24 cm and 10 kg. It’s included with Plus, Advantage & AerSpace, Economy Saver / Smart / Flex and Business / Business Flex.
Do Aer Lingus’ size limits include wheels and handles?
Yes. The limits are for the whole bag, including wheels, handles and side pockets.
What happens if my bag is too big for Aer Lingus?
Bring a 10 kg bag to the gate without booking one and it goes in the hold for a fee, paid by QR code at the gate. €35 / £35 at the gate
Can I take a power bank on Aer Lingus?
Aer Lingus allows up to 2 power banks of up to 100 Wh each, and you can't use or charge them during the flight.
How Aer Lingus compares
Free allowances on the cheapest fare of similar airlines.
| Airline · cheapest fare | Free under-seat bag | Overhead cabin bag | Details |
|---|---|---|---|
| Aer LingusSaver | Under-seat40 × 30 × 20 cm | Cabin bagPaid add-on · 55 × 40 × 24 cm · 10 kg | |
| Emerald Airlines (Aer Lingus Regional)Saver | Under-seat40 × 30 × 20 cm | Cabin bagPaid add-on · 55 × 40 × 24 cm · 10 kg | |
| TUI AirwaysTUI holiday (package) | Under-seat40 × 30 × 20 cm | Cabin bag55 × 40 × 20 cm · 10 kg |