RYU Quick Pack 18L vs. Osprey Flapjill

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

RYU Quick Pack 18L

Front facing view of the RYU Quick Pack 18L
Capacity18 L
Weight0 kg
Dimensions52×28×17 cm
Airline fit89%
Price$170

Feature by feature

RYU Quick Pack 18LFeatureOsprey Flapjill
Storage
Compression
None Expanded Capacity None
0 Opening 0
top Passport side
N Passthrough N
Carry
Backpack
Hip Belt removable
removable Sternum Strap
Inside
15in Laptop 15in
4 Main Compartments 3
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
Water Bottle Holder
Y Water Resistant Y
Material
630D Nylon with Polyurethane coating600D Polyspun

Osprey Flapjill

Front facing view of the Osprey Flapjill
Capacity19 L
Weight0.9 kg
Dimensions46×34×23 cm
Airline fit74%
Price$110

Key differences between the RYU Quick Pack 18L and Osprey Flapjill

Both have: laptop sleeve, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 132 accept both. 36 accept only the RYU Quick Pack 18L, and 7 accept only the Osprey Flapjill.

Only the RYU Quick Pack 18L fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Great Lakes Airlines, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

Only the Osprey Flapjill fits

Etihad Airways, Oman Air, Qatar Airways, Ravn Alaska, Regional Express, Royal Jordanian, Virgin Australia.

RYU Quick Pack 18L vs. Osprey Flapjill: which should you pack?

The Osprey Flapjill carries 1L more than the RYU Quick Pack 18L (18L vs. 19L), and the two are closely matched on weight. For carry-on flexibility, the RYU Quick Pack 18L fits 89% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Flapjill; if you want to travel lighter, the Osprey Flapjill is the better call.