Deuter Utilion 30 vs. Thule Aion 40L
Two carry-on travel backpacks, compared spec for spec.
Deuter Utilion 30
| Capacity | 30 L |
| Weight | 1.1 kg |
| Dimensions | 51×31×18 cm |
| Airline fit | 89% |
| Price | $155 |
Feature by feature
| Deuter Utilion 30 | Feature | Thule Aion 40L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | top |
| N | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| optional | Hip Belt | optional |
| Y | Sternum Strap | Y |
| Inside | ||
| 16in | Laptop | 16in |
| 3 | Main Compartments | 4 |
| N | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
Key differences between the Deuter Utilion 30 and Thule Aion 40L
- Passport pocket: Front on the Deuter Utilion 30; Top on the Thule Aion 40L.
- Luggage passthrough: No on the Deuter Utilion 30; Yes on the Thule Aion 40L.
- Main compartments: 3 on the Deuter Utilion 30; 4 on the Thule Aion 40L.
- Built-in organizer: No on the Deuter Utilion 30; Yes on the Thule Aion 40L.
Both have: backpack straps, hip belt, sternum strap, laptop sleeve, 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. 132 accept both. 37 accept only the Deuter Utilion 30, and 0 accept only the Thule Aion 40L.
Only the Deuter Utilion 30 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, Oman Air, Pakistan International, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.
Deuter Utilion 30 vs. Thule Aion 40L: which should you pack?
The Thule Aion 40L carries 10L more than the Deuter Utilion 30 (30L vs. 40L), while the Deuter Utilion 30 is the lighter pack at 1.1kg (vs. 1.5kg). For carry-on flexibility, the Deuter Utilion 30 fits 89% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Thule Aion 40L; if you want to travel lighter, the Deuter Utilion 30 is the better call.