Ryanair Cabin Bag 40x20x25: Our Top Picks for 2026
Airline baggage policies, especially those of budget carriers like Ryanair, are precisely defined. Adhering to the specified dimensions for a small cabin bag is crucial to avoid additional fees at the gate. The standard size for a personal item carried free of charge with Ryanair is 40 x 20 x 25 cm. This item must fit under the seat in front of you. Selecting a compliant underseat flight bag is therefore a purely functional decision based on dimensions, material, and practical utility.
This article analyses the technical criteria for choosing a compliant cabin bag and presents specific product options that meet these requirements.
Buyer's Guide: What to Look for in a Ryanair 40x20x25 Bag
The selection of the right piece of luggage is based on objective parameters. The following criteria are relevant for making an informed decision.
1. Precise Dimensions and Compliance
The primary criterion is strict adherence to the dimensions. A bag measuring 40 x 20 x 25 cm maximises the permitted storage space. Some airlines or fares may require even smaller dimensions, such as 35x20x20 cm. Soft-shell bags offer an advantage here, as they can be more easily compressed into the airport's sizing gauges than hard-shell cases if not fully packed.
2. Material and Construction
The choice of material affects the weight, durability, and protection of the contents.
- Polyester (esp. Oxford fabric): This material is widely used due to its high abrasion resistance and low weight. It is robust and resilient against the stresses of travel.
- Zippers and Seams: Double metal zippers and reinforced stitching at stress points (e.g., strap attachments) are indicators of a more durable construction.
3. Empty Weight and Volume
Every gram the bag itself weighs reduces the potential weight of its contents. A low empty weight is therefore advantageous. A cabin backpack or duffel bag weighing under 500 grams is a good benchmark. The volume, specified in litres (L), indicates the actual carrying capacity. For the 40x20x25 cm dimensions, a volume of around 20 litres is typical.
4. Functionality and Carrying Options
The intended use determines the required functional features.
- Carrying System: Adjustable, padded shoulder straps on backpacks or a detachable shoulder strap on duffel bags increase comfort.
- Compartmentalisation: Separate compartments for laptops, documents, and small items allow for organised storage and quick access. A main compartment that opens fully like a suitcase simplifies packing.
- Trolley Sleeve: A strap on the back to slide the bag over the handle of a rolling suitcase is a practical feature for travellers with additional luggage.
Our Top Picks for 2026
Based on the technical criteria mentioned above, we present three luggage options designed for use as a small cabin bag on Ryanair.
1. Kono Cabin Bag 40x20x25 for Ryanair Underseat Travel Carry-on Backpack 20L
Why We Recommend This Product: This model is designed as a cabin backpack, combining the exact dimensions of 40 x 20 x 25 cm with an ergonomic carrying system. Its low weight of 500g and 20-litre volume maximise the payload. The suitcase-style opening of the main compartment is a functional detail that simplifies packing and access to contents.
Pros:
- Precise Dimensions: Specifically designed for Ryanair's underseat baggage allowance.
- Organised Storage: Large main compartment, a front section with multiple pockets, and a quick-access zip pocket.
- Ergonomic Design: Breathable back panel, adjustable shoulder straps, and a sternum strap for load distribution.
- Durable Construction: Made from hard-wearing, scratch-resistant polyester with reinforced seams.
Who It's For: Travellers who prefer a hands-free transport solution and value structured organisation for their belongings. Ideal for weekend trips or as a complement to main luggage.
2. kono 40x20x25 Holdall Cabin Hand Luggage Travel Carry-On Bag
Why We Recommend This Product: This holdall bag focuses on a minimal empty weight of just 360g. The Oxford fabric construction is flexible yet robust. It offers versatile carrying options—by hand, over the shoulder, or attached to a trolley—and, at 40 x 20 x 25 cm, it meets the requirements perfectly.
Pros:
- Extremely Lightweight: At 0.36 kg, it's one of the lightest options available, allowing for maximum use of the weight limit for your contents.
- Versatile Carrying Options: Equipped with carry handles, an adjustable shoulder strap, and a trolley pass-through sleeve.
- Functional Pockets: A main compartment, a large internal mesh pocket, and a front pocket for documents.
- Airline Compatibility: The dimensions are designed for free carry-on with Ryanair and other airlines.
Who It's For: Budget-conscious travellers and minimalists looking for an extremely lightweight and straightforward bag for the essentials, who also appreciate flexible carrying options.
3. kono 35x20x20 Cabin Bag, Under seat Ryanair Flight Carry-on
Why We Recommend This Product: This model, with dimensions of 35 x 20 x 20 cm, is an even more compact solution. It not only meets Ryanair's requirements but also the even stricter rules of some other budget airlines. Weighing just 300g with a 14-litre volume, it is designed for very short trips or as an additional personal bag.
Pros:
- Ultra-Compact and Lightweight: The 35x20x20 cm dimensions and 0.3 kg weight make it extremely manageable.
- Universal Compliance: Fits under the seats of most airlines worldwide, even those with more restrictive rules.
- Efficient Organisation: Despite its small size, the bag offers a main compartment, an internal mesh pocket, and a front pocket.
- Flexible Use: Suitable as a small cabin bag, gym bag, or for daily use.
Who It's For: Travellers who need absolute compliance with the strictest cabin bag rules, or minimalists who only pack the bare essentials for a one or two-day trip.
More Options for Your Journey
If the featured models do not exactly meet your requirements for design or specific functions, you can find a wider selection of compliant luggage in our main category. There, you will find more backpacks, bags, and trolleys optimised for air travel.
-> Discover more Travel Luggage & Bags here
Frequently Asked Questions (FAQ)
1. What is considered a small personal item on Ryanair? On Ryanair, a piece of luggage with maximum dimensions of 40 x 20 x 25 cm is considered a "small personal item". This is free of charge with the standard fare and must be placed under the seat in front of you. It should not incur any additional baggage fees as long as it does not exceed these dimensions.
2. Does Ryanair strictly check cabin bag size? Yes, cabin bag sizes are checked regularly, especially on busy flights. Gate staff may ask passengers to place their bag into a sizing gauge. If the bag does not fit, significant excess fees may apply. Adherence to the dimensions is therefore advisable.