Avio Gear Apex Travel Backpack vs. Aer Day Pack 3

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

Avio Gear Apex Travel Backpack

Front facing view of the Avio Gear Apex Travel Backpack
Capacity20 L
Weight1.7 kg
Dimensions50×33×21 cm
Airline fit73%
Price$300

Feature by feature

Avio Gear Apex Travel BackpackFeatureAer Day Pack 3
Storage
N Compression N
30L Expanded Capacity None
1 Opening 1
top Passport top
Y Passthrough Y
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
17in Laptop 16in
3 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
900D high-density elastic yarn1680D Cordura® ballistic nylon exterior (bluesign® approved)

Aer Day Pack 3

by Aer
Front facing view of the Aer Day Pack 3
Capacity14 L
Weight1.3 kg
Dimensions44×30×14 cm
Airline fit95%
Price$160

Key differences between the Avio Gear Apex Travel Backpack and Aer Day Pack 3

Both have: passport pocket, luggage passthrough, backpack straps, sternum strap, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 138 accept both. 0 accept only the Avio Gear Apex Travel Backpack, and 42 accept only the Aer Day Pack 3.

Only the Aer Day Pack 3 fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, American Eagle, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, flybe, Gulf Air, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Ravn Alaska, Regional Express, 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), Virgin Australia, Volotea, Xiamen.

Avio Gear Apex Travel Backpack vs. Aer Day Pack 3: which should you pack?

The Avio Gear Apex Travel Backpack carries 6L more than the Aer Day Pack 3 (20L vs. 14L), while the Aer Day Pack 3 is the lighter pack at 1.3kg (vs. 1.7kg). For carry-on flexibility, the Aer Day Pack 3 fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Avio Gear Apex Travel Backpack; if you want to travel lighter, the Aer Day Pack 3 is the better call.