Hynes Eagle 40L Flight Approved Compressible Carry vs. Hynes Eagle 45L Travel Flight Approved Carry on Backpack

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

Hynes Eagle 40L Flight Approved Compressible Carry

Front facing view of the Hynes Eagle 40L Flight Approved Compressible Carry
Capacity40 L
Weight1 kg
Dimensions51×34×25 cm
Airline fit39%
Price$72

Feature by feature

Hynes Eagle 40L Flight Approved Compressible CarryFeatureHynes Eagle 45L Travel Flight Approved Carry on Backpack
Storage
4 Compression Y
None Expanded Capacity None
1 Opening 1
back Passport Y
Y Passthrough N
Carry
Y Backpack hideable
removable Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 15in
5 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 4
N Water Resistant Y
Material
Water repellent NylonWater-repellent crinkle nylon

Hynes Eagle 45L Travel Flight Approved Carry on Backpack

Front facing view of the Hynes Eagle 45L Travel Flight Approved Carry on Backpack
Capacity45 L
Weight1.42 kg
Dimensions56×35.5×18 cm
Airline fit46%
Price$70

Key differences between the Hynes Eagle 40L Flight Approved Compressible Carry and Hynes Eagle 45L Travel Flight Approved Carry on Backpack

Both have: sternum strap, laptop sleeve, built-in organizer.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 50 accept both. 23 accept only the Hynes Eagle 40L Flight Approved Compressible Carry, and 37 accept only the Hynes Eagle 45L Travel Flight Approved Carry on Backpack.

Only the Hynes Eagle 40L Flight Approved Compressible Carry fits

Aeroflot, Aerolineas Argentinas, Aeromexico, Air Caraibes, Air France, Air India, Air Mauritius, All Nipon Airways, ANA, Boliviana de Aviacion, Czech Airlines, Gol Linhas Aereas, Iberia, Indigo, Interjet, Iran Air, Japan Airlines, Jet Airways, Kenya Airways, KLM, LATAM , Peach, Sky Airlines.

Only the Hynes Eagle 45L Travel Flight Approved Carry on Backpack fits

Air Asia, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, CommutAir, Delta Airlines, Dragonair, EVA Air, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Malaysia Airlines, Mango, Qantas Airways, Republic Airways, Skywest, Inc., South African Airways, SriLankan Airlines, Trans States, United Airlines, Vietnam Airlines, Virgin Atlantic.

Hynes Eagle 40L Flight Approved Compressible Carry vs. Hynes Eagle 45L Travel Flight Approved Carry on Backpack: which should you pack?

The Hynes Eagle 45L Travel Flight Approved Carry on Backpack carries 5L more than the Hynes Eagle 40L Flight Approved Compressible Carry (40L vs. 45L), while the Hynes Eagle 40L Flight Approved Compressible Carry is the lighter pack at 1kg (vs. 1.42kg). For carry-on flexibility, the Hynes Eagle 45L Travel Flight Approved Carry on Backpack fits 46% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Hynes Eagle 45L Travel Flight Approved Carry on Backpack; if you want to travel lighter, the Hynes Eagle 40L Flight Approved Compressible Carry is the better call.