Travel Pack 3 vs. Aer Duffel Pack 3 X-Pac

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

Travel Pack 3

by Aer
Capacity35 L
Weight1.9 kg
Dimensions55×33×23 cm
Airline fit68%
Price$249

Feature by feature

Travel Pack 3FeatureAer Duffel Pack 3 X-Pac
Storage
Y Compression N
None Expanded Capacity None
1 Opening 0
top, side Passport top, side
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
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
1680D Cordura® ballistic nylonVX-42 X-Pac (also in 1680D Cordura)

Aer Duffel Pack 3 X-Pac

by Aer
Front facing view of the Aer Duffel Pack 3 X-Pac
Capacity21 L
Weight1.3 kg
Dimensions52×30×20 cm
Airline fit88%
Price$210

Key differences between the Travel Pack 3 and Aer Duffel Pack 3 X-Pac

Both have: passport pocket, luggage passthrough, backpack straps, sternum strap, 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. 129 accept both. 0 accept only the Travel Pack 3, and 38 accept only the Aer Duffel Pack 3 X-Pac.

Only the Aer Duffel Pack 3 X-Pac 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, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Royal Brunei Airlines, Ryanair, S7, Scoot, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Ukraine International, VIM Airlines (Closed), Volotea, WestJet, Xiamen.

Travel Pack 3 vs. Aer Duffel Pack 3 X-Pac: which should you pack?

The Travel Pack 3 carries 14L more than the Aer Duffel Pack 3 X-Pac (35L vs. 21L), while the Aer Duffel Pack 3 X-Pac is the lighter pack at 1.3kg (vs. 1.9kg). For carry-on flexibility, the Aer Duffel Pack 3 X-Pac fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Travel Pack 3; if you want to travel lighter, the Aer Duffel Pack 3 X-Pac is the better call.