The Optimum Suitcase 40x30x20 Sogaïa™ is a real suitcase on wheels in the format of free baggage under the seat from Ryanair, Vueling, Transavia, Wizz Air and Volotea: 40 x 30 x 20 cm, wheels and handle included.
For those who don't want to carry a backpack: it rolls on its 4 wheels to the boarding gate, then stows under the seat.
Why choose this 40x30x20 suitcase?
40 x 30 x 20 cm all inclusive : castors and handle are in the dimensions
4 360° multidirectional wheels, pushing or pulling
Telescopic handle adjustable to 3 heights
Code lock integrated
ABS shell lightweight and shock resistant, 2 kg empty
8 colors, including Snow White, Mint Green, Soft Pink, Sunny Yellow, Street Gray and Deep Black
Ideal for
A weekend with Ryanair, Vueling, Transavia, Wizz Air or Volotea without paying for baggage
Travelers who prefer ride rather than carry
A second piece of luggage to stack on a large suitcase
Airlines that accept this suitcase in the cabin
This suitcase 40 x 30 x 20 cm, casters included:
Airline
Free baggage
This suitcase
Ryanair
40 x 30 x 20 cm, under the seat
✅ Accepted free of charge (exact dimensions)
Vueling
40 x 30 x 20 cm, under the seat
✅ Accepted free of charge (exact dimensions)
Transavia
40 x 30 x 20 cm, under the seat
✅ Accepted free of charge (exact dimensions)
Wizz Air
40 x 30 x 20 cm, under the seat
✅ Accepted free of charge (exact dimensions)
Volotea
40 x 30 x 20 cm, under the seat
✅ Accepted free of charge (exact dimensions)
easyJet
45 x 36 x 20 cm, under the seat
✅ Accepted free of charge
Air France
40 x 30 x 15 cm under the seat; cabin baggage measuring 55 x 35 x 25 cm depending on your price
❌ Too big for the free item; passes as cabin baggage if your ticket includes it
KLM
40 x 30 x 15 cm under the seat; cabin baggage measuring 55 x 35 x 25 cm depending on your price
❌ Too big for the free item; passes as cabin baggage if your ticket includes it
Lufthansa
40 x 30 x 10 cm under the seat; cabin baggage measuring 55 x 40 x 23 cm depending on your price
❌ Too big for the free item; passes as cabin baggage if your ticket includes it
Royal Air Morocco
40 x 30 x 15 cm under the seat, plus cabin luggage of 55 x 40 x 25 cm included
✅ Accepted as cabin baggage included
Tunisair
40 x 30 x 20 cm under the seat, plus cabin luggage measuring 55 x 40 x 20 cm (8 kg) included
✅ Accepted free of charge (exact dimensions)
Air Algeria
A single piece of luggage, accessories included: 55 x 35 x 25 cm (10 kg), or 40 x 30 x 20 cm (5 kg) on ATR flights
✅ Accepted as cabin baggage included
At Air France, KLM and Lufthansa, the free item is limited to 15 cm (10 cm at Lufthansa): this suitcase travels there as cabin baggage, if your ticket includes it. Dimensions checked in October 2026: the rules change, always check the conditions of your ticket on the company's website.
Frequently asked questions
Are the casters included in the 40 x 30 x 20 cm? Yes. The dimensions are measured including the casters and handle, as the companies do according to the boarding gauge.
Does it go free with Ryanair? Yes. Ryanair has accepted a small bag of 40 x 30 x 20 cm under the seat free of charge since 2025: this is exactly the size of this suitcase.
Is a 24 L suitcase enough for a weekend? Yes, for 2 to 3 days by rolling the clothes. Remember to put your liquids of 100 ml maximum in a transparent bag, to take out at the checkpoint.
