Pakt One Travel Backpack 35L vs. Tom Bihn Aeronaut 45L

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

Pakt One Travel Backpack 35L

by Pakt
Front facing view of the Pakt One Travel Backpack 35L
Capacity35 L
Weight1.8 kg
Dimensions50×32×23 cm
Airline fit72%
Price$325

Feature by feature

Pakt One Travel Backpack 35LFeatureTom Bihn Aeronaut 45L
Storage
N Compression N
40L Expanded Capacity None
1 Opening 1
top Passport side
N Passthrough N
Carry
hideable Backpack hideable
removable Hip Belt removable
removable Sternum Strap removable
Inside
16in Laptop N
5 Main Compartments 5
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder N
Y Water Resistant Y
Material
420D rNylon Wave PFAS-free1050 denier ballistic nylon OR ultralight 400d Halcyon/420d nylon ripstop 200 denier Halcyon/nylon ripstop fabric lining

Tom Bihn Aeronaut 45L

Front facing view of the Tom Bihn Aeronaut 45L
Capacity45 L
Weight1.4 kg
Dimensions56×36×23 cm
Airline fit45%
Price$340

Key differences between the Pakt One Travel Backpack 35L and Tom Bihn Aeronaut 45L

Both have: backpack straps, hip belt, sternum strap, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 85 accept both. 51 accept only the Pakt One Travel Backpack 35L, and 0 accept only the Tom Bihn Aeronaut 45L.

Only the Pakt One Travel Backpack 35L fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Canada, Air Caraibes, Air France, Air India, Air Mauritius, All Nipon Airways, ANA, Austrian, Azerbaijan Airlines, Boliviana de Aviacion, Brussels Airlines, Caribbean Airlines, Cayman Airways, Croatia Air, Czech Airlines, Ethiopian Airlines, Etihad Airways, Eurowings, Fiji Airways, Flair Air, Gol Linhas Aereas, Iberia, Indigo, Interjet, Iran Air, Japan Airlines, Jet Airways, Kenya Airways, KLM, LATAM , LOT Polish, Lufthansa, Mahan Air, Mesa Airlines, Norwegian, Oman Air, Peach, Porter Airlines, Qatar Airways, Royal Jordanian, SAS Scandinavian, Scoot, Sky Airlines, Swiss Int'l Air Lines, Tiger Airways, Turkish Airlines, WestJet.

Pakt One Travel Backpack 35L vs. Tom Bihn Aeronaut 45L: which should you pack?

The Tom Bihn Aeronaut 45L carries 10L more than the Pakt One Travel Backpack 35L (35L vs. 45L), while the Tom Bihn Aeronaut 45L is the lighter pack at 1.4kg (vs. 1.8kg). For carry-on flexibility, the Pakt One Travel Backpack 35L fits 72% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tom Bihn Aeronaut 45L; if you want to travel lighter, the Tom Bihn Aeronaut 45L is the better call.