Osprey Sojourn Porter Travel Pack 30 vs. Peak Design Travel Backpack 45L
Two carry-on travel backpacks, compared spec for spec.
Osprey Sojourn Porter Travel Pack 30
| Capacity | 30 L |
| Weight | 1.4 kg |
| Dimensions | 44×37×27 cm |
| Airline fit | 15% |
| Price | $180 |
Feature by feature
| Osprey Sojourn Porter Travel Pack 30 | Feature | Peak Design Travel Backpack 45L |
|---|---|---|
| Storage | ||
| 2 | Compression | 1 |
| None | Expanded Capacity | 45L |
| 1 | Opening | 1 |
| top | Passport | top |
| Y | Passthrough | Y |
| Carry | ||
| hideable | Backpack | hideable |
| hideable | Hip Belt | hideable |
| Y | Sternum Strap | removable |
| Inside | ||
| 16in | Laptop | 16in |
| 4 | Main Compartments | 7 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| bluesign®-approved Recycled 500D Nylon Packcloth PFC Free DWR | shell: Weatherproof 400D nylon canvas bottom: 900D nylon weatherproof zippers |
Peak Design Travel Backpack 45L
| Capacity | 35 L |
| Weight | 2.1 kg |
| Dimensions | 56×33×24 cm |
| Airline fit | 26% |
| Price | $300 |
Key differences between the Osprey Sojourn Porter Travel Pack 30 and Peak Design Travel Backpack 45L
- Compression straps: 2 on the Osprey Sojourn Porter Travel Pack 30; 1 on the Peak Design Travel Backpack 45L.
- Sternum strap: Yes on the Osprey Sojourn Porter Travel Pack 30; Removable on the Peak Design Travel Backpack 45L.
- Main compartments: 4 on the Osprey Sojourn Porter Travel Pack 30; 7 on the Peak Design Travel Backpack 45L.
- Water bottle pockets: No on the Osprey Sojourn Porter Travel Pack 30; 2, side on the Peak Design Travel Backpack 45L.
Both have: passport pocket, luggage passthrough, backpack straps, hip belt, 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. 26 accept both. 2 accept only the Osprey Sojourn Porter Travel Pack 30, and 23 accept only the Peak Design Travel Backpack 45L.
Only the Osprey Sojourn Porter Travel Pack 30 fits
Croatia Air, Gulf Air.
Only the Peak Design Travel Backpack 45L fits
Aegean Airlines, Air Astana, Air Nostrum, Atlas Global, British Airways, Conviasa, Copa Airlines, EL AL, Finnair, Frontier Airlines, Iran Aseman Air, Jet2, Kuwait Air, Middle East Airlines, Monarch Airlines, Onur Air, PenAir, Southwest Airlines, Spirit Airlines, Thai Airways, Travel Service Airlines, Uzbekistan Air, WOW Airlines.
Osprey Sojourn Porter Travel Pack 30 vs. Peak Design Travel Backpack 45L: which should you pack?
The Peak Design Travel Backpack 45L carries 5L more than the Osprey Sojourn Porter Travel Pack 30 (30L vs. 35L), while the Osprey Sojourn Porter Travel Pack 30 is the lighter pack at 1.4kg (vs. 2.1kg). For carry-on flexibility, the Peak Design Travel Backpack 45L fits 26% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Peak Design Travel Backpack 45L; if you want to travel lighter, the Osprey Sojourn Porter Travel Pack 30 is the better call.