Brussels Airlines hand luggage and carry-on allowance
Brussels Airlines allows one cabin bag, also called hand luggage or a carry-on, of 55 x 40 x 23 cm (about 21.7 x 15.7 x 9.1 in) weighing up to 8 kg. Check your own bag against it below.
Small bag — Personal item
Cabin bag — Carry-on baggage
Brussels Airlines hand luggage and carry-on rules
- Economy Basic (short/medium-haul): 1 personal item only.
- Economy Light, Comfort and Flex (short/medium-haul): 1 personal item + 1 carry-on bag.
- Business Comfort and Business Flex (short/medium-haul): 1 personal item + 2 carry-on bags.
- Long-haul Economy and Premium Economy: 1 personal item + 1 carry-on bag; Business and First: 1 personal item + 2 carry-on bags.
- A folding garment bag of max. 57 x 54 x 15 cm and 8 kg counts within the allowance.
- Small instruments allowed within the allowance: height + width + length = max. 125 cm and 8 kg.
- Duty-free purchases and foldable children's buggies are permitted in addition.
- One infant bassinet or child seat per small child, plus mobility aids and medical equipment, carried free.
- No weight limit is published for the personal item.
Liquids
On EU flights, containers limited to 100 ml each, in one resealable clear plastic bag per person with a maximum capacity of 1 litre; exceptions apply for medication and baby food.
Source: Carry-on baggage | Brussels Airlines. Checked 20 September 2026.
Remember that the liquids rule that applies to you is set by the airport you fly from, not the airline. Check your departure airport before you pack.
Frequently asked questions
What size is Brussels Airlines hand luggage?
Brussels Airlines's cabin bag allowance is 55 x 40 x 23 cm, up to 8 kg.
What is the free under-seat bag size on Brussels Airlines?
The small bag allowance is 40 x 30 x 15 cm, and it is included in the fare.
What is the Brussels Airlines carry-on size?
The Brussels Airlines carry-on (hand luggage or cabin bag) size limit is 55 x 40 x 23 cm, about 21.7 x 15.7 x 9.1 inches.
Is hand luggage the same as carry-on on Brussels Airlines?
Yes. Hand luggage, cabin baggage and carry-on all mean the bag you take into the cabin. See the size and weight limits above for Brussels Airlines.