---
url: "https://onebag.travel/compare/2rbg4dtslw/aer-travel-pack-4-35l/a73311s7he/pakt-the-travel-backpack-45l/"
title: "Aer Travel Pack 4 35L vs Pakt The Travel Backpack 45L"
description: "Aer Travel Pack 4 35L vs Pakt The Travel Backpack 45L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/2rbg4dtslw/aer-travel-pack-4-35l/a73311s7he/pakt-the-travel-backpack-45l/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Aer Travel Pack 4 35L vs. Pakt The Travel Backpack 45L

# Aer Travel Pack 4 35L vs. Pakt The Travel Backpack 45L

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

## [Aer Travel Pack 4 35L](https://onebag.travel/carryon/2rbg4dtslw/aer-travel-pack-4-35l/)

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

![Front facing view of the Aer Travel Pack 4 35L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990469/carryons/aer-travel-pack-4-35l-2rbg4dtslw.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>1.8 kg</td></tr><tr><td>Dimensions</td><td>55×34×23 cm</td></tr><tr><td>Airline fit</td><td>68%</td></tr><tr><td>Price</td><td>$260</td></tr></tbody></table>

## Feature by feature

| Aer Travel Pack 4 35L | Feature | Pakt The Travel Backpack 45L |
| --- | --- | --- |
| Storage |
| N | Compression | 2 |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | front |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | hideable |
| optional | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside |
| 16in | Laptop | 16in |
| 5 | Main Compartments | 5 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>1680D CORDURA® ballistic nylon exterior (bluesign® approved)</td><td>500D recycled nylon</td></tr></tbody></table>

## [Pakt The Travel Backpack 45L](https://onebag.travel/carryon/a73311s7he/pakt-the-travel-backpack-45l/)

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

![Front facing view of the Pakt The Travel Backpack 45L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990500/carryons/pakt-the-travel-backpack-45l-a73311s7he.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>2 kg</td></tr><tr><td>Dimensions</td><td>60×33×24 cm</td></tr><tr><td>Airline fit</td><td>5%</td></tr><tr><td>Price</td><td>$345</td></tr></tbody></table>

## Key differences between the Aer Travel Pack 4 35L and Pakt The Travel Backpack 45L

-   **Compression straps:** No on the Aer Travel Pack 4 35L; 2 on the Pakt The Travel Backpack 45L.
-   **Passport pocket:** Top on the Aer Travel Pack 4 35L; Front on the Pakt The Travel Backpack 45L.
-   **Backpack straps:** Yes on the Aer Travel Pack 4 35L; Hideable on the Pakt The Travel Backpack 45L.
-   **Hip belt:** Optional on the Aer Travel Pack 4 35L; Removable on the Pakt The Travel Backpack 45L.

Both have: luggage passthrough, sternum strap, laptop sleeve, built-in organizer, water bottle pockets, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 10 accept both. 119 accept only the Aer Travel Pack 4 35L, and 0 accept only the Pakt The Travel Backpack 45L.

### Only the Aer Travel Pack 4 35L fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Canada, Air Caraibes, Air Europa, Air France, Air India, Air Koryo, Air Macau, Air Mauritius, Air Nostrum, Air Tahiti Nui, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Azul Linhas, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, British Airways, Brussels Airlines, Cambodia Angkor Air, Caribbean Airlines, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Southern, CommutAir, Copa Airlines, Croatia Air, Cubana de Aviacion, Czech Airlines, Delta Airlines, Dragonair, EL AL, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, Garuda Indonesia, Gol Linhas Aereas, Hainan Airlines, Hawaiian Airlines, Hong Kong Airlines, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Korean Air, Kulula, Kuwait Air, LATAM , LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Middle East Airlines, Monarch Airlines, Norwegian, Onur Air, Peach, Philippine Airlines, Porter Airlines, Qantas Airways, Republic Airways, Royal Air Morocco, SAS Scandinavian, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Sky Airlines, Skywest, Inc., South African Airways, SpiceJet, Spirit Airlines, SriLankan Airlines, Swiss Int'l Air Lines, TAAG Angola, TAM Airlines, Thai Airways, Trans States, Travel Service Airlines, Turkish Airlines, United Airlines, Ural Airlines, Uzbekistan Air, Vietnam Airlines, Virgin Atlantic, WOW Airlines.

## Aer Travel Pack 4 35L vs. Pakt The Travel Backpack 45L: which should you pack?

The **Pakt The Travel Backpack 45L** carries 10L more than the **Aer Travel Pack 4 35L** (35L vs. 45L), while the **Aer Travel Pack 4 35L** is the lighter pack at 1.8kg (vs. 2kg). For carry-on flexibility, the **Aer Travel Pack 4 35L** fits 68% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Pakt The Travel Backpack 45L; if you want to travel lighter, the Aer Travel Pack 4 35L is the better call.