STM Saga vs. Kathmandu Cotinga Kid's Pack

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

STM Saga

by Stm
Front facing view of the STM Saga
Capacity20 L
Weight0.51 kg
Dimensions44×29×15 cm
Airline fit95%
Price$60

Feature by feature

STM SagaFeatureKathmandu Cotinga Kid's Pack
Storage
N Compression Y
None Expanded Capacity None
3 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap N
Inside
N Laptop N
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2 Water Bottle Holder 1
Y Water Resistant Y
Material
100% polyester100% Polyester

Kathmandu Cotinga Kid's Pack

Front facing view of the Kathmandu Cotinga Kid's Pack
Capacity20 L
Weight0.42 kg
Dimensions41×27×20.5 cm
Airline fit76%
Price$60

Key differences between the STM Saga and Kathmandu Cotinga Kid's Pack

Both have: backpack straps, 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. 143 accept both. 37 accept only the STM Saga, and 1 accept only the Kathmandu Cotinga Kid's Pack.

Only the STM Saga fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

Only the Kathmandu Cotinga Kid's Pack fits

Great Lakes Airlines.

STM Saga vs. Kathmandu Cotinga Kid's Pack: which should you pack?

The STM Saga carries the same capacity as the Kathmandu Cotinga Kid's Pack (20L vs. 20L), while the Kathmandu Cotinga Kid's Pack is the lighter pack at 0.42kg (vs. 0.51kg). For carry-on flexibility, the STM Saga fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the STM Saga; if you want to travel lighter, the Kathmandu Cotinga Kid's Pack is the better call.