Scarlettstone – https://baggagebee.com/blog/icelandair-baggage-allowance/

Each kind of ticket has a different luggage policy on Icelandair Baggage Policy. Economy Light only allows carry-on luggage, however Economy Standard allows one free checked bag and one carry-on. While Saga Premium offers two checked bags plus an extra carry-on, Economy Flex only permits two checked bags and a carry-on. The weight limits for checked luggage are normally 23 kg (50 lbs) for Economy and 32 kg (70 lbs) for Saga Premium. The size range of a carry-on bag is 55x40x23 cm (21.6×15.7×9 inches) to 56x45x25 cm (22×17.7×9.8 inches). Oversize or excessive weight may be charged. Before booking a flight with Icelandair, travellers are urged to examine the most recent regulations.