Icelandair carry on size allowance is determined by the ticket type. The carry-on size for travellers travelling in Economy Standard and Economy Light must not be larger than 55x40x23 cm (21.6x15.7x9 inches). Travellers using Economy Flex and Saga Premium are permitted to bring one carry-on bag, up to 56x45x25 cm (22x17.7x9.8 inches), plus a personal item. To guarantee hassle-free boarding and storage, adherence to these size constraints is essential. Travellers must to confirm the most recent regulations, since any deviations may result in extra fees or require baggage inspection. Respecting these size restrictions guarantees a seamless Icelandair travel experience.