---
url: "https://onebag.travel/compare/h1rqln9ogu/patagonia-tres-mlc-45l/zlz1njsjyb/deuter-aviant-carry-on-pro-36/"
title: "Patagonia Tres MLC® 45L vs Deuter Aviant Carry On Pro 36"
description: "Patagonia Tres MLC® 45L vs Deuter Aviant Carry On Pro 36: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/h1rqln9ogu/patagonia-tres-mlc-45l/zlz1njsjyb/deuter-aviant-carry-on-pro-36/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Patagonia Tres MLC® 45L vs. Deuter Aviant Carry On Pro 36

# Patagonia Tres MLC® 45L vs. Deuter Aviant Carry On Pro 36

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

## [Patagonia Tres MLC® 45L](https://onebag.travel/carryon/h1rqln9ogu/patagonia-tres-mlc-45l/)

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

![Front facing view of the Patagonia Tres MLC® 45L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632754332/carryons/Patagonia_Tres_MLC_45L_gbmz36.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>45 L</td></tr><tr><td>Weight</td><td>1.5 kg</td></tr><tr><td>Dimensions</td><td>54×41×18 cm</td></tr><tr><td>Airline fit</td><td>26%</td></tr><tr><td>Price</td><td>$179</td></tr></tbody></table>

## Feature by feature

| Patagonia Tres MLC® 45L | Feature | Deuter Aviant Carry On Pro 36 |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| N | Passport | N |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | hideable |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>630-denier nylon, 200-denier 100% recycled polyeste</td><td>600D PES, 420D PA</td></tr></tbody></table>

## [Deuter Aviant Carry On Pro 36](https://onebag.travel/carryon/zlz1njsjyb/deuter-aviant-carry-on-pro-36/)

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

![Front facing view of the Deuter Aviant Carry On Pro 36](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1621817634/carryons/Deuter_Aviant_Carry_On_Pro_36_rowsw7.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>36 L</td></tr><tr><td>Weight</td><td>1.36 kg</td></tr><tr><td>Dimensions</td><td>55×34×23 cm</td></tr><tr><td>Airline fit</td><td>68%</td></tr></tbody></table>

## 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. 0 accept only the Patagonia Tres MLC® 45L, and 80 accept only the Deuter Aviant Carry On Pro 36.

### Only the Deuter Aviant Carry On Pro 36 fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Canada, Air France, Air India, Air Macau, Air Mauritius, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Conviasa, Copa Airlines, Croatia Air, Delta Airlines, Dragonair, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Indigo, Interjet, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Kulula, LATAM , LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Middle East Airlines, Monarch Airlines, Norwegian, Peach, Porter Airlines, Qantas Airways, Republic Airways, SAS Scandinavian, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic.

## Patagonia Tres MLC® 45L vs. Deuter Aviant Carry On Pro 36: which should you pack?

The **Patagonia Tres MLC® 45L** carries 9L more than the **Deuter Aviant Carry On Pro 36** (45L vs. 36L), while the **Deuter Aviant Carry On Pro 36** is the lighter pack at 1.36kg (vs. 1.5kg). For carry-on flexibility, the **Deuter Aviant Carry On Pro 36** fits 68% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Tres MLC® 45L; if you want to travel lighter, the Deuter Aviant Carry On Pro 36 is the better call.