? Flight Approved Carry on Backpack: Size of travel backpack: 20.47 x 12.99 x 8.66 . Capacity: 35L. This luggage backpack is meet the allowed maximum size of most IATA flights and also fits in the overhead compartment and the underseat in flight.
The main theme of the airlines' rules is that a personal item is a small bag, like a duffle bag, daypack, purse, tote, or laptop bag that fits under the seat in front of you. A small duffle bag fits in the spirit of this rule.
Only priority boarding passengers will be permitted to take one small bag (40cm x 20cm x 25cm), plus a larger cabin bag (55 x 40 x 20cm) with a maximum weight allowance of 10kg into the cabin free of charge. Non-priority customers can only bring one small bag (40cm x 20cm x 25cm), that must fit into the sizer.
While personal item size restrictions vary across airlines, most airlines consider a small backpack, purse, briefcase, or laptop bag to be a personal item. These must always fit under the seat in front of you. Many airlines restrict passengers to one personal item and one carry on bag.
All carry-on luggage must fit in the overhead bin or under the seat in front of you and adhere to the following requirements: Maximum Dimensions of Carry-on: 22 in x 16 in x 8 in/55 cm x 40 cm x 20 cm. Maximum Weight of Carry-on: 22 lbs (10 kg) Maximum Dimensions of Small Bag: 14 x 8 x 8 in/35 x 20 x 20 cm.
A personal item is a smaller bag that typically fits under the seat in front of you, such as a purse, briefcase or small backpack. A carry-on item is a larger bag that can be stowed in the overhead bin, like a suitcase or duffel bag.
However, although you now have to pay to take a larger cabin bag on board the aircraft, you can actually still take a smaller bag on board with you, free of charge. The free carry-on bag, has to be able to fit under the seat in front of you and this is why, it is commonly referred to as 'Under The Seat Luggage'.
For full-size cabin bags, I have never seen Ryanair weigh a bag to check it is under 10kg – though if it looks much bigger, you may be asked you to place it in a measuring stand to check. If you are asked to fit it into the measuring stand and you can't squeeze it in, you will have to pay to check it in.
Can I bring a backpack and a duffel bag on a plane? Of course you can. If you want to use them as a carry on and a personal item to avoid paying for a checked bag you should check permitted weights and sizes with the carrier you are flying with.
Carry On Duffle Bag SizeFor most airlines and flights, a carry on duffle bag must be no larger than 22 x 14 x 9 inches or 45L. These dimensions tend to be more common for suitcases and backpacks. Duffles are longest in one dimension with similar measurements in the other two dimensions.
Storage CapacityThere are extra pockets on the inside and outside of most suitcases as well, allowing for even more storage space. Unlike duffel bags, suitcases will not fit well in smaller spaces like under a bed, in a shared room or inside lockers.
Ryanair's bag policy permits you to bring one personal bag for free, which must be up to 15.7 x 7.8 x 9.8 inches (40 x 20 x 25 cm) and fit under the seat in front of you. However, the number of bags you can bring onboard depends on the fare purchased.
Famously quipped “the Ryanair size”, 40 x 20 x 25 cm (16 x 8 x 10 in) is the maximum dimensions of a cabin bag (such as a laptop bag or handbag) that ultra-cheap airline Ryanair would allow its passengers to carry into its cabin free of charge under its strict baggage allowance policy.