Ryanair Cabin Bag Rules in 2026
Data verified .
TL;DR
- Free Ryanair bag is under-seat only at 40x20x25 cm.
- Priority is required for the larger overhead cabin bag allowance.
- STN and DUB show some of the highest Ryanair check pressure.
- Full flights create near-certain enforcement for borderline bags.
- Measure fully packed external dimensions, including handles and wheels.
Ryanair fare type bag allowances
| Fare type | Included bag | Dimensions | Overhead access | Non-compliance fee |
|---|---|---|---|---|
| Basic | 1 personal item | 40x20x25 cm | No | Up to EUR 50 at gate |
| Priority | Personal + cabin bag | 55x40x20 cm cabin bag | Yes | Up to EUR 50 at gate |
| Plus/Flexi | Depends on package | Route dependent | Usually yes | Route policy applies |
What the free bag allowance really covers
Ryanair's free allowance is simple on paper and unforgiving in practice. You get one personal item that must fit under the seat. The practical issue is not just width or height in isolation — it is packed volume when pockets are full and the bag no longer compresses. Many travellers buy backpacks marketed as compliant, then overpack by a few centimetres and assume a soft shell will pass. On high-load flights, that assumption is expensive.
Treat the free allowance as a strict operational limit rather than flexible guidance. The size frame used at gates is a physical test. If the bag does not drop into the frame cleanly, the gate team has a binary decision and usually enforces according to policy.
How the Priority upsell changes economics
Priority typically converts Ryanair from under-seat-only to a dual allowance including an overhead cabin bag. For travellers carrying electronics, colder-weather clothing, or work gear, that can move a trip from stressful to manageable. The cost question is whether Priority is cheaper than repeated gate risk over multiple flights.
Why STN and DUB appear at the strict end
STN and DUB combine high Ryanair volumes with tightly timed turnarounds. That creates conditions where clear, repeatable gate processes are preferred over discretionary judgement. Sizer placement at queue entrances, rapid visual screening, and frequent high-load departures all increase check rates.
If your bag fails the sizer
Failing the sizer usually means paid hold conversion at the gate. The fee is materially higher than pre-booked options and often charged under time pressure while boarding continues. If your bag sits close to the maximum, pre-purchasing the relevant allowance is usually the lowest-friction choice.
Frequently asked questions
- Is Ryanair's free bag actually free?
- Yes, but only one under-seat personal item within the published limit is included on basic fares.
- What happens if my bag fails the sizer?
- Your bag is moved to hold and the gate fee is charged, usually much higher than online add-ons.
- Does Priority boarding guarantee overhead space?
- Priority includes overhead entitlement but not absolute locker availability on every full flight.
- Which airports check Ryanair bags most strictly?
- STN and DUB consistently appear at the strict end of Ryanair enforcement data.