Aer Travel Pack 4 35L vs. Bellroy Venture Travel Pack 26L

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

Aer Travel Pack 4 35L

by Aer
Front facing view of the Aer Travel Pack 4 35L
Capacity35 L
Weight1.8 kg
Dimensions55×34×23 cm
Airline fit68%
Price$260

Feature by feature

Aer Travel Pack 4 35LFeatureBellroy Venture Travel Pack 26L
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
top Passport top
Y Passthrough Y
Carry
Y Backpack Y
optional Hip Belt N
removable Sternum Strap removable
Inside
16in Laptop 16in
5 Main Compartments 5
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
1680D CORDURA® ballistic nylon exterior (bluesign® approved)Element Coated Nylon

Bellroy Venture Travel Pack 26L

Front facing view of the Bellroy Venture Travel Pack 26L
Capacity26 L
Weight1.1 kg
Dimensions55×35×16 cm
Airline fit86%
Price$330

Key differences between the Aer Travel Pack 4 35L and Bellroy Venture Travel Pack 26L

Both have: passport pocket, luggage passthrough, backpack straps, sternum strap, 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. 128 accept both. 1 accept only the Aer Travel Pack 4 35L, and 34 accept only the Bellroy Venture Travel Pack 26L.

Only the Aer Travel Pack 4 35L fits

Cayman Airways.

Only the Bellroy Venture Travel Pack 26L fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, 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), Volotea, Xiamen.

Aer Travel Pack 4 35L vs. Bellroy Venture Travel Pack 26L: which should you pack?

The Aer Travel Pack 4 35L carries 9L more than the Bellroy Venture Travel Pack 26L (35L vs. 26L), while the Bellroy Venture Travel Pack 26L is the lighter pack at 1.1kg (vs. 1.8kg). For carry-on flexibility, the Bellroy Venture Travel Pack 26L fits 86% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Travel Pack 4 35L; if you want to travel lighter, the Bellroy Venture Travel Pack 26L is the better call.