Aer Flight Pack 2 vs. Aer City Pack X-Pac

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

Aer Flight Pack 2

by Aer
Front facing view of the Aer Flight Pack 2
Capacity21 L
Weight1.3 kg
Dimensions46×31×13 cm
Airline fit94%
Price$160

Feature by feature

Aer Flight Pack 2FeatureAer City Pack X-Pac
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
top Passport top
Y Passthrough Y
Carry
hideable Backpack Y
N Hip Belt N
N Sternum Strap removable
Inside
16in Laptop 16in
4 Main Compartments 4
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
1680D Cordura ballistic nylonVX-42 X-Pac

Aer City Pack X-Pac

by Aer
Front facing view of the Aer City Pack X-Pac
Capacity14 L
Weight1.1 kg
Dimensions46×30×12 cm
Airline fit94%
Price$180

Key differences between the Aer Flight Pack 2 and Aer City Pack X-Pac

Both have: passport pocket, luggage passthrough, laptop sleeve, 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. 177 accept both. 0 accept only the Aer Flight Pack 2, and 1 accept only the Aer City Pack X-Pac.

Only the Aer City Pack X-Pac fits

Air Niugini.

Aer Flight Pack 2 vs. Aer City Pack X-Pac: which should you pack?

The Aer Flight Pack 2 carries 7L more than the Aer City Pack X-Pac (21L vs. 14L), while the Aer City Pack X-Pac is the lighter pack at 1.1kg (vs. 1.3kg). For carry-on flexibility, the Aer Flight Pack 2 fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Flight Pack 2; if you want to travel lighter, the Aer City Pack X-Pac is the better call.