Helium Ultimate Expandable Cabin Suitcase 55 cm

Delsey Paris Helium Ultimate Expandable Cabin Suitcase 55 cm is a 30.72L, 2.3kg5.1lb rolling carry-on measuring 55×35×20cm21.5×14×8in. It fits the carry-on size limit of 35 of 36 major airlines and the personal-item limit of 0 of 26. Under the seat, its 55cm21.7in side is over the 40cm15.7in limit at 12 of the 26 airlines it misses. Specs from delsey.com, checked October 2026.

Volume: 30.72Lexpands to 35.57L
Weight: 2.3kg5.1lb5.1lb2.3kg
Carry-on: 35/36airlines fit it
Personal item: 0/26under-seat limits

Dimensions: 55×35×20cm21.5×14×8in 21.5×14×8in55×35×20cm
Price: no US price
Laptop: n/a
Opening: n/a
Warranty: not published
Compartments: 2
Bottle pockets: n/a

Organizer

Material: Polycarbonate fiber (self-reinforced polycarbonate, Vectrix)

Delsey lists 30.72 L interior volume, 35.57 L expanded (20 to 23 cm deep)
Two compartments with retaining straps and zipped dividers
Removable lining, machine washable at 30 C
10-year warranty

Last checked: 2026-10. Prices and specs may have changed.

Does the Delsey Paris Helium Ultimate Expandable Cabin Suitcase 55 cm fit airline carry-on limits?

Draw against

Cabin bag, tight (no spare)Cabin bag, tight (no spare) on Ryanair. cabin bag 55×40×20cm21.5×15.5×8in · under the seat 40×30×20cm15.5×12×8in. Bag in cminches, turned to fit.

Flag as a tight fit undercm spare

Airline	Carry-on	Personal item	Cabin-bag weight
Air Arabia	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	4.7kg to pack (of 7kg)10.4lb to pack (of 15.4lb)
Air CanadaCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	No published limitNo published limit
Air FranceCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	9.7kg to pack (of 12kg shared with personal item)21.4lb to pack (of 26.5lb shared with personal item)
Air India	Tight fit (no spare)Tight fit (no spare)	No published limit	4.7kg to pack (of 7kg)10.4lb to pack (of 15.4lb)
AirAsia	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	4.7kg to pack (of 7kg shared with personal item)10.4lb to pack (of 15.4lb shared with personal item)
Alaska Airlines	Tight fit (1cm spare)Tight fit (0.4in spare)	No published limit	No published limitNo published limit
Allegiant AirCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	No published limitNo published limit
American Airlines	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	No published limitNo published limit
ANA (All Nippon Airways)	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	7.7kg to pack (of 10kg shared with personal item)17lb to pack (of 22lb shared with personal item)
AviancaCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	No published limit	7.7kg to pack (of 10kg)17lb to pack (of 22lb)
British Airways	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	No published limitNo published limit
Cebu Pacific	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	7.7kg to pack (of 10kg shared with personal item)17lb to pack (of 22lb shared with personal item)
Delta Air Lines	Tight fit (1cm spare)Tight fit (0.4in spare)	No published limit	No published limitNo published limit
easyJetCabin bag not on every fare	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	12.7kg to pack (of 15kg)28lb to pack (of 33.1lb)
Emirates	Tight fit (no spare)Tight fit (no spare)	No published limit	4.7kg to pack (of 7kg)10.4lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	FitsFits	Too bigToo big	13.6kg to pack (of 15.9kg)30lb to pack (of 35.1lb)
Gol Linhas Aereas	Tight fit (no spare)Tight fit (no spare)	No published limit	7.7kg to pack (of 10kg)17lb to pack (of 22lb)
IndiGo	Tight fit (no spare)Tight fit (no spare)	No published limit	4.7kg to pack (of 7kg)10.4lb to pack (of 15.4lb)
JetBlue Airways	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	No published limitNo published limit
KLMCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	9.7kg to pack (of 12kg shared with personal item)21.4lb to pack (of 26.5lb shared with personal item)
LATAM Airlines	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	9.7kg to pack (of 12kg)21.4lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	5.7kg to pack (of 8kg)12.6lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	7.7kg to pack (of 10kg shared with personal item)17lb to pack (of 22lb shared with personal item)
Qantas	Tight fit (1cm spare)Tight fit (0.4in spare)	No published limit	4.7kg to pack (of 7kg shared with personal item)10.4lb to pack (of 15.4lb shared with personal item)
Qatar Airways	Too bigToo big	No published limit	4.7kg to pack (of 7kg)10.4lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	7.7kg to pack (of 10kg)17lb to pack (of 22lb)
SAS	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	5.7kg to pack (of 8kg)12.6lb to pack (of 17.6lb)
Singapore Airlines	FitsFits	Too bigToo big	4.7kg to pack (of 7kg)10.4lb to pack (of 15.4lb)
Southwest Airlines	FitsFits	No published limit	No published limitNo published limit
Turkish Airlines	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	5.7kg to pack (of 8kg)12.6lb to pack (of 17.6lb)
United AirlinesCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	No published limitNo published limit
Vietjet Air	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	4.7kg to pack (of 7kg shared with personal item)10.4lb to pack (of 15.4lb shared with personal item)
VolarisCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	7.7kg to pack (of 10kg)17lb to pack (of 22lb)
VuelingCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	7.7kg to pack (of 10kg)17lb to pack (of 22lb)
WestJetCabin bag not on every fare	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	No published limitNo published limit
Wizz AirCabin bag not on every fare	Tight fit (no spare)Tight fit (no spare)	Too bigToo big	7.7kg to pack (of 10kg)17lb to pack (of 22lb)

Compared in any orientation against each airline's published size limit. A tight fit has under 2cm to spare, so a packed soft bag may not pass a sizer. Set it to 0 to turn the warning off. Weight is what the airline allows in the cabin minus this bag's empty 2.3kg5.1lb. Limits and sources. Own a different bag? Check it against every airline.