35 L: check a narrowed list
A 35 L bag may work for a short packing list, but only a test with your own items can confirm it. Laundry plans and specialist equipment matter as much as trip length.
40 L: compare shape and packing space
Compare the useful space of a 40 L bag to the bag already available. The volume does not guarantee cabin compatibility: check the height, width and depth of the chosen model.

45 L : une marge, mais plus de contraintes
45 L provide flexibility for specific equipment or a variable climate. However, they increase the risk of exceeding dimensions, weight or wearing comfort when the bag is filled.
Decide with a real test
Prepare the intended content, weigh it and measure the closed bag. First remove what does not respond to a specific situation before looking for a larger volume.
Sources and dates
Each date corresponds to the indicated source, not a new check of the entire catalogue. The above benchmarks specify the scope of the references that document them.
- Lureox Guide — Cabin Baggage DimensionsConsulted on 18/08/2026
- Ryanair — baggage rulesConsulted on 18/08/2026
Preparing for the Future
Turn this guide into a concrete decision.
Use the right tool or complementary content rather than start your search from the beginning.
Get a selection suitable for your trip
Your duration, budget and priorities can change the best choice.

