British Airways vs Aer Lingus: hand luggage and carry-on compared
Two airlines, two sets of rules. Here they are side by side.
British Airways vs Aer Lingus
British Airways is the more generous of the two: 56 x 45 x 25 cm against 55 x 40 x 24 cm on Aer Lingus. A bag that fits Aer Lingus will fit British Airways.
| British Airways | Aer Lingus | |
|---|---|---|
| Cabin bag size | 56 x 45 x 25 cm | 55 x 40 x 24 cm |
| Cabin bag weight | no weight limit published | 10 kg |
| Cabin bag included? | Yes | No, costs extra |
| Small bag size | 40 x 30 x 15 cm | 40 x 30 x 20 cm |
| Small bag included? | Yes | Yes |
Check your own bag against both
Both sets of figures come from the airlines' own websites and were checked on 20 September 2026. See the full rules for British Airways and Aer Lingus.