Osprey Sojourn Porter Travel Pack 30 vs. Aer Flight Pack 2

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

Osprey Sojourn Porter Travel Pack 30

Front facing view of the Osprey Sojourn Porter Travel Pack 30
Capacity30 L
Weight1.4 kg
Dimensions44×37×27 cm
Airline fit15%
Price$180

Feature by feature

Osprey Sojourn Porter Travel Pack 30FeatureAer Flight Pack 2
Storage
2 Compression N
None Expanded Capacity None
1 Opening 1
top Passport top
Y Passthrough Y
Carry
hideable Backpack hideable
hideable Hip Belt N
Y Sternum Strap N
Inside
16in Laptop 16in
4 Main Compartments 4
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder 1, side
Y Water Resistant Y
Material
bluesign®-approved Recycled 500D Nylon Packcloth PFC Free DWR1680D Cordura ballistic nylon

Aer Flight Pack 2

by Aer
Front facing view of the Aer Flight Pack 2
Capacity21 L
Weight1.3 kg
Dimensions46×31×13 cm
Airline fit94%
Price$160

Key differences between the Osprey Sojourn Porter Travel Pack 30 and Aer Flight Pack 2

Both have: passport pocket, luggage passthrough, backpack straps, laptop sleeve, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 27 accept both. 1 accept only the Osprey Sojourn Porter Travel Pack 30, and 150 accept only the Aer Flight Pack 2.

Only the Osprey Sojourn Porter Travel Pack 30 fits

Gulf Air.

Only the Aer Flight Pack 2 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 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, Frontier Airlines, Garuda Indonesia, Gol Linhas Aereas, 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, PenAir, 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, Southwest Airlines, Spirit Airlines, 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 Sojourn Porter Travel Pack 30 vs. Aer Flight Pack 2: which should you pack?

The Osprey Sojourn Porter Travel Pack 30 carries 9L more than the Aer Flight Pack 2 (30L vs. 21L), while the Aer Flight Pack 2 is the lighter pack at 1.3kg (vs. 1.4kg). For carry-on flexibility, the Aer Flight Pack 2 fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Sojourn Porter Travel Pack 30; if you want to travel lighter, the Aer Flight Pack 2 is the better call.