The travel backpack is becoming an increasingly popular and widely used accessory among travelers. Its features make it the perfect companion for traveling comfortably and lightly, without sacrificing storage space or the convenience of always having your luggage with you. In recent years, airlines have consistently reduced the maximum size of luggage allowed on board aircraft, and that’s why the need for new products that meet these new standards has led to the creation of new travel backpack models—which often represent the only viable solution for carrying your clothes on board without having to purchase an additional bag at prices that sometimes exceed the cost of the ticket itself.
Many airlines, such as Ryanair, EasyJet, and Vueling, have set very strict maximum size limits for carry-on luggage that can be brought on board for free; for this reason, for each of the items we’ve selected, we’ve indicated which major low-cost airlines accept them on board.
The only way to meet these strict requirements is to buy a travel backpack online. In this article, we’ll take a look at the best models to choose from in 2025—selected to offer you the best online selection, suitable for every need.