Expert guide to Ryanair flying with infant: Babies 8 days to under 2 travel on your lap for a fixed €25/£25 fee each way. One infant per adult (18+), no own seat option without full fare. Perks include free 2 baby items gate-checked (pushchair + car seat/travel cot), extra 5kg baby bag onboard, and infant seatbelt provided. Flyingrules offers full support—add infants, seat selection, baggage advice & more. Safe skies for your family! Contact us today.