With Ryanair, you can take one small personal bag (40x30x20cm) that fits under the seat for free, or one small bag plus a larger 10kg carry-on (55x40x20cm) if you pay for priority boarding. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) You can pack personal items, electronics, and solid food, but liquids must be in 100ml containers within a single 1-litre transparent bag. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) Prohibited items include explosives, sharp objects like knives, and flammable materials.