Millican Smith 25L vs. Osprey Flapjill

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

Millican Smith 25L

Front facing view of the Millican Smith 25L
Capacity25 L
Weight1.1 kg
Dimensions52×28×18 cm
Airline fit89%
Price$145

Feature by feature

Millican Smith 25LFeatureOsprey Flapjill
Storage
N Compression
None Expanded Capacity None
2 Opening 0
side Passport side
N Passthrough N
Carry
Y Backpack
removable Hip Belt removable
removable Sternum Strap
Inside
15in Laptop 15in
4 Main Compartments 3
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder
Y Water Resistant Y
Material
Weatherproof Bionic Canvas600D 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 Millican Smith 25L and Osprey Flapjill

Both have: passport pocket, hip belt, 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. 132 accept both. 36 accept only the Millican Smith 25L, and 7 accept only the Osprey Flapjill.

Only the Millican Smith 25L 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.

Millican Smith 25L vs. Osprey Flapjill: which should you pack?

The Millican Smith 25L carries 6L more than the Osprey Flapjill (25L vs. 19L), while the Osprey Flapjill is the lighter pack at 0.9kg (vs. 1.1kg). For carry-on flexibility, the Millican Smith 25L fits 89% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Millican Smith 25L; if you want to travel lighter, the Osprey Flapjill is the better call.