Deuter Aviant Carry On 28 vs. STM Trilogy
Two carry-on travel backpacks, compared spec for spec.
Deuter Aviant Carry On 28
| Capacity | 28 L |
| Weight | 1.03 kg |
| Dimensions | 50×33×20 cm |
| Airline fit | 91% |
| Price | $104 |
Feature by feature
| Deuter Aviant Carry On 28 | Feature | STM Trilogy |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| hideable | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | N |
| Inside | ||
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |
| Material | |
| 600D PES, 420D PA | 100% polyester |
Key differences between the Deuter Aviant Carry On 28 and STM Trilogy
- Opening: Clamshell on the Deuter Aviant Carry On 28; Top zip on the STM Trilogy.
- Backpack straps: Hideable on the Deuter Aviant Carry On 28; Yes on the STM Trilogy.
- Water bottle pockets: No on the Deuter Aviant Carry On 28; 2 on the STM Trilogy.
Both have: 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. 172 accept both. 0 accept only the Deuter Aviant Carry On 28, and 6 accept only the STM Trilogy.
Only the STM Trilogy fits
Air Niugini, American Eagle, easyJet, Ravn Alaska, Regional Express, Virgin Australia.
Deuter Aviant Carry On 28 vs. STM Trilogy: which should you pack?
The Deuter Aviant Carry On 28 carries 4L more than the STM Trilogy (28L vs. 24L), while the STM Trilogy is the lighter pack at 0.64kg (vs. 1.03kg). For carry-on flexibility, the STM Trilogy fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Deuter Aviant Carry On 28; if you want to travel lighter, the STM Trilogy is the better call.