---
url: "https://onebag.travel/compare/02bc32de-b553-463a-a455-177400d5423d/osprey-porter-46/x3ehf3pst9/peak-design-travel-backpack-45l/"
title: "Osprey Porter 46 vs Peak Design Travel Backpack 45L"
description: "Osprey Porter 46 vs Peak Design Travel Backpack 45L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/02bc32de-b553-463a-a455-177400d5423d/osprey-porter-46/x3ehf3pst9/peak-design-travel-backpack-45l/"
---
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3.  Osprey Porter 46 vs. Peak Design Travel Backpack 45L

# Osprey Porter 46 vs. Peak Design Travel Backpack 45L

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

## [Osprey Porter 46](https://onebag.travel/carryon/02bc32de-b553-463a-a455-177400d5423d/osprey-porter-46/)

by [Osprey](https://onebag.travel/carryons/?brands=Osprey)

![Front facing view of the Osprey Porter 46](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/carryons/bus8myci54gl3byfegrn)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>46 L</td></tr><tr><td>Weight</td><td>1.5 kg</td></tr><tr><td>Dimensions</td><td>55×36×23 cm</td></tr><tr><td>Airline fit</td><td>61%</td></tr><tr><td>Price</td><td>$185</td></tr></tbody></table>

## Feature by feature

| Osprey Porter 46 | 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 |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>bluesign®-approved Recycled 500D Nylon Packcloth PFC Free DWR</td><td>shell: Weatherproof 400D nylon canvas bottom: 900D nylon weatherproof zippers</td></tr></tbody></table>

## [Peak Design Travel Backpack 45L](https://onebag.travel/carryon/x3ehf3pst9/peak-design-travel-backpack-45l/)

by [Peak Design](https://onebag.travel/carryons/?brands=Peak Design)

![Front facing view of the Peak Design Travel Backpack 45L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990502/carryons/peak-design-travel-backpack-45l-x3ehf3pst9.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>35 L</td></tr><tr><td>Weight</td><td>2.1 kg</td></tr><tr><td>Dimensions</td><td>56×33×24 cm</td></tr><tr><td>Airline fit</td><td>26%</td></tr><tr><td>Price</td><td>$300</td></tr></tbody></table>

## Key differences between the Osprey Porter 46 and Peak Design Travel Backpack 45L

-   **Compression straps:** 2 on the Osprey Porter 46; 1 on the Peak Design Travel Backpack 45L.
-   **Sternum strap:** Yes on the Osprey Porter 46; Removable on the Peak Design Travel Backpack 45L.
-   **Main compartments:** 4 on the Osprey Porter 46; 7 on the Peak Design Travel Backpack 45L.
-   **Water bottle pockets:** No on the Osprey Porter 46; 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. 49 accept both. 67 accept only the Osprey Porter 46, and 0 accept only the Peak Design Travel Backpack 45L.

### Only the Osprey Porter 46 fits

Aer Lingus, Aeroflot, Aeromexico, Air Asia, Air Canada, Air Caraibes, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, CommutAir, Czech Airlines, Delta Airlines, Dragonair, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Interjet, Iran Air, Japan Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Norwegian, Peach, Porter Airlines, Qantas Airways, Republic Airways, SAS Scandinavian, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic.

## Osprey Porter 46 vs. Peak Design Travel Backpack 45L: which should you pack?

The **Osprey Porter 46** carries 11L more than the **Peak Design Travel Backpack 45L** (46L vs. 35L), while the **Osprey Porter 46** is the lighter pack at 1.5kg (vs. 2.1kg). For carry-on flexibility, the **Osprey Porter 46** fits 61% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Porter 46; if you want to travel lighter, the Osprey Porter 46 is the better call.