Tom Bihn Aeronaut 30L vs. Ortlieb Gear-Pack

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

Tom Bihn Aeronaut 30L

Front facing view of the Tom Bihn Aeronaut 30L
Capacity30 L
Weight1.3 kg
Dimensions50×32×20 cm
Airline fit91%
Price$330

Feature by feature

Tom Bihn Aeronaut 30LFeatureOrtlieb Gear-Pack
Storage
N Compression N
None Expanded Capacity None
0 Opening 2
side Passport N
N Passthrough N
Carry
hideable Backpack removable
removable Hip Belt removable
removable Sternum Strap Y
Inside
N Laptop N
5 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
1050 denier ballistic nylon OR ultralight 400d Halcyon/420d nylon ripstop 200 denier Halcyon/nylon ripstop fabric liningPD620, PS620C

Ortlieb Gear-Pack

Front facing view of the Ortlieb Gear-Pack
Capacity32 L
Weight1.2 kg
Dimensions64×29×18 cm
Airline fit14%
Price$185

Key differences between the Tom Bihn Aeronaut 30L and Ortlieb Gear-Pack

Both have: hip belt, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 26 accept both. 146 accept only the Tom Bihn Aeronaut 30L, and 0 accept only the Ortlieb Gear-Pack.

Only the Tom Bihn Aeronaut 30L 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, 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, 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, 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 Country, 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, Volotea, WestJet, WOW Airlines, Xiamen.

Tom Bihn Aeronaut 30L vs. Ortlieb Gear-Pack: which should you pack?

The Ortlieb Gear-Pack carries 2L more than the Tom Bihn Aeronaut 30L (30L vs. 32L), while the Ortlieb Gear-Pack is the lighter pack at 1.2kg (vs. 1.3kg). For carry-on flexibility, the Tom Bihn Aeronaut 30L fits 91% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Ortlieb Gear-Pack; if you want to travel lighter, the Ortlieb Gear-Pack is the better call.