---
url: "https://onebag.travel/compare/narhw193j2/fjallraven-farden-carry-on/zaj208cenq/thule-aion-40l/"
title: "Fjallraven Farden Carry-on vs Thule Aion 40L"
description: "Fjallraven Farden Carry-on vs Thule Aion 40L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/narhw193j2/fjallraven-farden-carry-on/zaj208cenq/thule-aion-40l/"
---
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3.  Fjallraven Farden Carry-on vs. Thule Aion 40L

# Fjallraven Farden Carry-on vs. Thule Aion 40L

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

## [Fjallraven Farden Carry-on](https://onebag.travel/carryon/narhw193j2/fjallraven-farden-carry-on/)

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

![Front facing view of the Fjallraven Farden Carry-on](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990361/carryons/fjallraven-farden-carry-on-narhw193j2.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>42 L</td></tr><tr><td>Weight</td><td>1.4 kg</td></tr><tr><td>Dimensions</td><td>55×35×23 cm</td></tr><tr><td>Airline fit</td><td>67%</td></tr><tr><td>Price</td><td>$205</td></tr></tbody></table>

## Feature by feature

| Fjallraven Farden Carry-on | Feature | Thule Aion 40L |
| --- | --- | --- |
| Storage |
| 4 | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | top |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| optional | Hip Belt | optional |
| removable | Sternum Strap | Y |
| Inside |
| 16in | Laptop | 16in |
| 4 | Main Compartments | 4 |
| N | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 3, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>100% polyamide 500D</td><td></td></tr></tbody></table>

## [Thule Aion 40L](https://onebag.travel/carryon/zaj208cenq/thule-aion-40l/)

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

![Front facing view of the Thule Aion 40L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990324/carryons/thule-aion-40l-zaj208cenq.avif)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>40 L</td></tr><tr><td>Weight</td><td>1.5 kg</td></tr><tr><td>Dimensions</td><td>52×33×23 cm</td></tr><tr><td>Airline fit</td><td>70%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Key differences between the Fjallraven Farden Carry-on and Thule Aion 40L

-   **Compression straps:** 4 on the Fjallraven Farden Carry-on; No on the Thule Aion 40L.
-   **Sternum strap:** Removable on the Fjallraven Farden Carry-on; Yes on the Thule Aion 40L.
-   **Built-in organizer:** No on the Fjallraven Farden Carry-on; Yes on the Thule Aion 40L.
-   **Water bottle pockets:** 3, side on the Fjallraven Farden Carry-on; 1, side on the Thule Aion 40L.

Both have: passport pocket, luggage passthrough, backpack straps, hip belt, 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. 127 accept both. 0 accept only the Fjallraven Farden Carry-on, and 5 accept only the Thule Aion 40L.

### Only the Thule Aion 40L fits

Cayman Airways, Croatia Air, Scoot, Tiger Airways, WestJet.

## Fjallraven Farden Carry-on vs. Thule Aion 40L: which should you pack?

The **Fjallraven Farden Carry-on** carries 2L more than the **Thule Aion 40L** (42L vs. 40L), while the **Fjallraven Farden Carry-on** is the lighter pack at 1.4kg (vs. 1.5kg). For carry-on flexibility, the **Thule Aion 40L** fits 70% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Fjallraven Farden Carry-on; if you want to travel lighter, the Fjallraven Farden Carry-on is the better call.