ULA Equipment Ultra Cicada vs. Thule Aion 40L

Two carry-on travel backpacks, compared spec for spec.

ULA Equipment Ultra Cicada

Front facing view of the ULA Equipment Ultra Cicada
Capacity22 L
Weight0.8 kg
Dimensions46×28×13 cm
Airline fit95%
Price$350

Feature by feature

ULA Equipment Ultra CicadaFeatureThule Aion 40L
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
top Passport top
Y Passthrough Y
Carry
Y Backpack Y
optional Hip Belt optional
removable Sternum Strap Y
Inside
15in Laptop 16in
4 Main Compartments 4
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side, internal Water Bottle Holder 1, side
Y Water Resistant Y
Material
ULTRA 400TX

Thule Aion 40L

Front facing view of the Thule Aion 40L
Capacity40 L
Weight1.5 kg
Dimensions52×33×23 cm
Airline fit70%
Price$200

Key differences between the ULA Equipment Ultra Cicada and Thule Aion 40L

Both have: passport pocket, luggage passthrough, backpack straps, hip belt, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 132 accept both. 47 accept only the ULA Equipment Ultra Cicada, and 0 accept only the Thule Aion 40L.

Only the ULA Equipment Ultra Cicada fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, American Eagle, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, Etihad Airways, flybe, Great Lakes Airlines, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Pakistan International, Qatar Airways, Ravn Alaska, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, Xiamen.

ULA Equipment Ultra Cicada vs. Thule Aion 40L: which should you pack?

The Thule Aion 40L carries 18L more than the ULA Equipment Ultra Cicada (22L vs. 40L), while the ULA Equipment Ultra Cicada is the lighter pack at 0.8kg (vs. 1.5kg). For carry-on flexibility, the ULA Equipment Ultra Cicada fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Thule Aion 40L; if you want to travel lighter, the ULA Equipment Ultra Cicada is the better call.