Alpaka Gear Traverse Backpack vs. Aer Flight Pack

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

Alpaka Gear Traverse Backpack

Front facing view of the Alpaka Gear Traverse Backpack
Capacity30 L
Weight1.5 kg
Dimensions47×28×18 cm
Airline fit93%
Price$200

Feature by feature

Alpaka Gear Traverse BackpackFeatureAer Flight Pack
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
top Passport top
Y Passthrough Y
Carry
Y Backpack hideable
N Hip Belt N
Y Sternum Strap N
Inside
16in Laptop 16in
5 Main Compartments 4
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
Axoflux 400D ripstop nylon1680D Cordura ballistic nylon

Aer Flight Pack

by Aer
Front facing view of the Aer Flight Pack
Capacity20 L
Weight1.5 kg
Dimensions46×30×14 cm
Airline fit94%
Price$180

Key differences between the Alpaka Gear Traverse Backpack and Aer Flight Pack

Both have: passport pocket, luggage passthrough, laptop sleeve, 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. 175 accept both. 1 accept only the Alpaka Gear Traverse Backpack, and 3 accept only the Aer Flight Pack.

Only the Alpaka Gear Traverse Backpack fits

Great Lakes Airlines.

Only the Aer Flight Pack fits

American Eagle, easyJet, Ravn Alaska.

Alpaka Gear Traverse Backpack vs. Aer Flight Pack: which should you pack?

The Alpaka Gear Traverse Backpack carries 10L more than the Aer Flight Pack (30L vs. 20L), while the Alpaka Gear Traverse Backpack is the lighter pack at 1.5kg (vs. 1.5kg). For carry-on flexibility, the Aer Flight Pack fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Alpaka Gear Traverse Backpack; if you want to travel lighter, the Alpaka Gear Traverse Backpack is the better call.