Osprey Tropos 32 vs. Deuter Trans Alpine 30

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

Osprey Tropos 32

Front facing view of the Osprey Tropos 32
Capacity32 L
Weight1.3 kg
Dimensions54×32×28 cm
Airline fit14%
Price$200

Feature by feature

Osprey Tropos 32FeatureDeuter Trans Alpine 30
Storage
4 Compression 4
None Expanded Capacity None
0 Opening 1
top Passport front
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt Y
Y Sternum Strap Y
Inside
15in Laptop N
4 Main Compartments 4
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
N Water Resistant Y
Material
bluesign® APPROVED 210D recycled honey comb contrast nylon, PFAS-free DWR210D PA, 600D PES

Deuter Trans Alpine 30

Front facing view of the Deuter Trans Alpine 30
Capacity30 L
Weight1.3 kg
Dimensions53×28×24 cm
Airline fit40%
Price$170

Key differences between the Osprey Tropos 32 and Deuter Trans Alpine 30

Both have: compression straps, backpack straps, hip belt, sternum strap, built-in organizer, water bottle pockets.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 26 accept both. 0 accept only the Osprey Tropos 32, and 49 accept only the Deuter Trans Alpine 30.

Only the Deuter Trans Alpine 30 fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Astana, Air Caraibes, Air France, Air India, Air Mauritius, Air Nostrum, All Nipon Airways, ANA, Atlas Global, Boliviana de Aviacion, British Airways, Conviasa, Copa Airlines, Croatia Air, Czech Airlines, EL AL, Finnair, Frontier Airlines, Gol Linhas Aereas, Great Lakes Airlines, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, Kenya Airways, KLM, Kuwait Air, LATAM , Middle East Airlines, Monarch Airlines, Onur Air, Peach, PenAir, Sky Airlines, Southwest Airlines, Spirit Airlines, Thai Airways, Travel Service Airlines, Uzbekistan Air, WOW Airlines.

Osprey Tropos 32 vs. Deuter Trans Alpine 30: which should you pack?

The Osprey Tropos 32 carries 2L more than the Deuter Trans Alpine 30 (32L vs. 30L), while the Osprey Tropos 32 is the lighter pack at 1.3kg (vs. 1.3kg). For carry-on flexibility, the Deuter Trans Alpine 30 fits 40% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Tropos 32; if you want to travel lighter, the Osprey Tropos 32 is the better call.