---
url: "https://onebag.travel/compare/h6qjh35fbf/osprey-daylight-carry-on-travel-pack-35/pwip3uvh89/aer-pro-pack-20l/"
title: "Osprey Daylight Carry-On Travel Pack 35 vs Aer Pro Pack 20L"
description: "Osprey Daylight Carry-On Travel Pack 35 vs Aer Pro Pack 20L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/h6qjh35fbf/osprey-daylight-carry-on-travel-pack-35/pwip3uvh89/aer-pro-pack-20l/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Osprey Daylight Carry-On Travel Pack 35 vs. Aer Pro Pack 20L

# Osprey Daylight Carry-On Travel Pack 35 vs. Aer Pro Pack 20L

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

## [Osprey Daylight Carry-On Travel Pack 35](https://onebag.travel/carryon/h6qjh35fbf/osprey-daylight-carry-on-travel-pack-35/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>35 L</td></tr><tr><td>Weight</td><td>0.9 kg</td></tr><tr><td>Dimensions</td><td>49×37×26 cm</td></tr><tr><td>Airline fit</td><td>16%</td></tr><tr><td>Price</td><td>$120</td></tr></tbody></table>

## Feature by feature

| Osprey Daylight Carry-On Travel Pack 35 | Feature | Aer Pro Pack 20L |
| --- | --- | --- |
| Storage |
| 2 | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | top |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 16in | Laptop | 16in |
| 4 | Main Compartments | 4 |
| 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>bluesign® APPROVED, 100% recycled 300D polyester w/ ripstop, DWR</td><td>840D CORDURA re/cor recycled nylon</td></tr></tbody></table>

## [Aer Pro Pack 20L](https://onebag.travel/carryon/pwip3uvh89/aer-pro-pack-20l/)

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

![Front facing view of the Aer Pro Pack 20L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990321/carryons/aer-pro-pack-20l-pwip3uvh89.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>1.1 kg</td></tr><tr><td>Dimensions</td><td>45×31×14 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$180</td></tr></tbody></table>

## Key differences between the Osprey Daylight Carry-On Travel Pack 35 and Aer Pro Pack 20L

-   **Compression straps:** 2 on the Osprey Daylight Carry-On Travel Pack 35; No on the Aer Pro Pack 20L.
-   **Backpack straps:** Hideable on the Osprey Daylight Carry-On Travel Pack 35; Yes on the Aer Pro Pack 20L.

Both have: passport pocket, 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. 31 accept both. 0 accept only the Osprey Daylight Carry-On Travel Pack 35, and 148 accept only the Aer Pro Pack 20L.

### Only the Aer Pro Pack 20L fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Nostrum, Air Serbia, Air Seychelles, Air Tahiti, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, American Eagle, ANA, Asiana Airlines, ATA Airlines, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Boliviana de Aviacion, British Airways, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Conviasa, Copa Airlines, Czech Airlines, Delta Airlines, Dragonair, easyJet, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Gulf Air, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, Kuwait Air, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Oman Air, Onur Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Qatar Airways, Ravn Alaska, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Thai Airways, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, Travel Service Airlines, TUI, Turkish Airlines, Ukraine International, United Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, WOW Airlines, Xiamen.

## Osprey Daylight Carry-On Travel Pack 35 vs. Aer Pro Pack 20L: which should you pack?

The **Osprey Daylight Carry-On Travel Pack 35** carries 15L more than the **Aer Pro Pack 20L** (35L vs. 20L), while the **Osprey Daylight Carry-On Travel Pack 35** is the lighter pack at 0.9kg (vs. 1.1kg). For carry-on flexibility, the **Aer Pro Pack 20L** fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Daylight Carry-On Travel Pack 35; if you want to travel lighter, the Osprey Daylight Carry-On Travel Pack 35 is the better call.