Osprey Nebula vs. Deuter Trans Alpine 30

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

Osprey Nebula

Front facing view of the Osprey Nebula
Capacity34 L
Weight1 kg
Dimensions49×31×29 cm
Airline fit13%
Price$140

Feature by feature

Osprey NebulaFeatureDeuter Trans Alpine 30
Storage
4 Compression 4
None Expanded Capacity None
1 Opening 1
top Passport front
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt Y
Y Sternum Strap Y
Inside
15in Laptop N
3 Main Compartments 4
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
MAIN: 420HD Nylon Packcloth BOTTOM: 420HD Nylon Packcloth210D 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 Nebula and Deuter Trans Alpine 30

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

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 25 accept both. 0 accept only the Osprey Nebula, and 50 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, Czech Airlines, EL AL, Finnair, Frontier Airlines, Gol Linhas Aereas, Great Lakes Airlines, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Island 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, Sun Country, Thai Airways, Travel Service Airlines, Uzbekistan Air, WOW Airlines.

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

The Osprey Nebula carries 4L more than the Deuter Trans Alpine 30 (34L vs. 30L), while the Osprey Nebula is the lighter pack at 1kg (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 Nebula; if you want to travel lighter, the Osprey Nebula is the better call.