Deuter Utilion 30 vs. Aer Day Pack 3
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 | Aer Day Pack 3 |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | top |
| N | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| optional | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside | ||
| 16in | Laptop | 16in |
| 3 | Main Compartments | 3 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| 1680D Cordura® ballistic nylon exterior (bluesign® approved) | |
Key differences between the Deuter Utilion 30 and Aer Day Pack 3
- Passport pocket: Front on the Deuter Utilion 30; Top on the Aer Day Pack 3.
- Luggage passthrough: No on the Deuter Utilion 30; Yes on the Aer Day Pack 3.
- Hip belt: Optional on the Deuter Utilion 30; No on the Aer Day Pack 3.
Both have: backpack straps, 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. 169 accept both. 0 accept only the Deuter Utilion 30, and 11 accept only the Aer Day Pack 3.
Only the Aer Day Pack 3 fits
Air Niugini, Air Tahiti, American Eagle, Belavia, easyJet, Etihad Airways, Gulf Air, Qatar Airways, Ravn Alaska, Regional Express, Virgin Australia.
Deuter Utilion 30 vs. Aer Day Pack 3: which should you pack?
The Deuter Utilion 30 carries 16L more than the Aer Day Pack 3 (30L vs. 14L), while the Deuter Utilion 30 is the lighter pack at 1.1kg (vs. 1.3kg). 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 Deuter Utilion 30; if you want to travel lighter, the Deuter Utilion 30 is the better call.