---
url: "https://onebag.travel/compare/c7mki28pyr/deuter-walker-20/vaqpdhhg3f/osprey-transporter-flap-pack/"
title: "Deuter Walker 20 vs Osprey Transporter® Flap Pack"
description: "Deuter Walker 20 vs Osprey Transporter® Flap Pack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/c7mki28pyr/deuter-walker-20/vaqpdhhg3f/osprey-transporter-flap-pack/"
---
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3.  Deuter Walker 20 vs. Osprey Transporter® Flap Pack

# Deuter Walker 20 vs. Osprey Transporter® Flap Pack

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

## [Deuter Walker 20](https://onebag.travel/carryon/c7mki28pyr/deuter-walker-20/)

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

![Front facing view of the Deuter Walker 20](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1621570286/carryons/Deuter_Walker_20_faxeht.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>20 L</td></tr><tr><td>Weight</td><td>0.7 kg</td></tr><tr><td>Dimensions</td><td>48×28×21 cm</td></tr><tr><td>Airline fit</td><td>75%</td></tr><tr><td>Price</td><td>$85</td></tr></tbody></table>

## Feature by feature

| Deuter Walker 20 | Feature | Osprey Transporter® Flap Pack |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 3 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
|  | Organizer |  |
| Outside |
| × | Hard Shell | × |
| optional | Rain-fly | N |
| 2 | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>600D PES, 300D PES Ripstop</td><td>400D Nylon TPU Double Coated</td></tr></tbody></table>

## [Osprey Transporter® Flap Pack](https://onebag.travel/carryon/vaqpdhhg3f/osprey-transporter-flap-pack/)

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

![Front facing view of the Osprey Transporter® Flap Pack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1631615046/carryons/Osprey_Transporter_Flap_Pack_qe7k2b.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>20 L</td></tr><tr><td>Weight</td><td>0.9 kg</td></tr><tr><td>Dimensions</td><td>46×33×31 cm</td></tr><tr><td>Airline fit</td><td>13%</td></tr><tr><td>Price</td><td>$120</td></tr></tbody></table>

## Key differences between the Deuter Walker 20 and Osprey Transporter® Flap Pack

-   **Opening:** Top zip on the Deuter Walker 20; Top flap on the Osprey Transporter® Flap Pack.
-   **Rain cover:** Optional on the Deuter Walker 20; No on the Osprey Transporter® Flap Pack.
-   **Water bottle pockets:** 2 on the Deuter Walker 20; 1 on the Osprey Transporter® Flap Pack.

Both have: backpack straps, hip belt, sternum strap, laptop sleeve, water resistant.

## Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 25 accept both. 116 accept only the Deuter Walker 20, and 0 accept only the Osprey Transporter® Flap Pack.

### Only the Deuter Walker 20 fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Canada, Air Caraibes, Air France, Air India, Air Macau, Air Mauritius, Air Nostrum, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, British Airways, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Conviasa, Copa Airlines, Czech Airlines, Delta Airlines, Dragonair, EL AL, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, Frontier Airlines, Garuda Indonesia, Gol Linhas Aereas, Great Lakes Airlines, Hawaiian Airlines, Hong Kong Airlines, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Island Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Kulula, Kuwait Air, LATAM , Liat Airlines, LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Middle East Airlines, Monarch Airlines, Norwegian, Oman Air, Onur Air, Pakistan International, Peach, PenAir, Porter Airlines, Qantas Airways, Qatar Airways, Regional Express, Republic Airways, Royal Jordanian, SAS Scandinavian, Scoot, Sky Airlines, Skywest, Inc., South African Airways, Southwest Airlines, Spirit Airlines, SriLankan Airlines, Sun Country, Swiss Int'l Air Lines, Thai Airways, Tiger Airways, Trans States, Travel Service Airlines, Turkish Airlines, United Airlines, Uzbekistan Air, Vietnam Airlines, Virgin Atlantic, Virgin Australia, WestJet, WOW Airlines.

## Deuter Walker 20 vs. Osprey Transporter® Flap Pack: which should you pack?

The **Deuter Walker 20** carries the same capacity as the **Osprey Transporter® Flap Pack** (20L vs. 20L), while the **Deuter Walker 20** is the lighter pack at 0.7kg (vs. 0.9kg). For carry-on flexibility, the **Deuter Walker 20** fits 75% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Deuter Walker 20; if you want to travel lighter, the Deuter Walker 20 is the better call.