Deuter Walker 20 vs. Deuter Giga SL

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

Deuter Walker 20

Front facing view of the Deuter Walker 20
Capacity20 L
Weight0.7 kg
Dimensions48×28×21 cm
Airline fit75%
Price$85

Feature by feature

Deuter Walker 20FeatureDeuter Giga SL
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap Y
Inside
15in Laptop 17in
1 Main Compartments 1
Organizer N
Outside
× Hard Shell ×
optional Rain-fly removable
2 Water Bottle Holder 2
Y Water Resistant Y
Material
600D PES, 300D PES Ripstop300D PES Ripstop

Deuter Giga SL

Front facing view of the Deuter Giga SL
Capacity28 L
Weight0.96 kg
Dimensions48×32×18 cm
Airline fit92%
Price$80

Key differences between the Deuter Walker 20 and Deuter Giga SL

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

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 140 accept both. 1 accept only the Deuter Walker 20, and 34 accept only the Deuter Giga SL.

Only the Deuter Walker 20 fits

Great Lakes Airlines.

Only the Deuter Giga SL fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, 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.

Deuter Walker 20 vs. Deuter Giga SL: which should you pack?

The Deuter Giga SL carries 8L more than the Deuter Walker 20 (20L vs. 28L), while the Deuter Walker 20 is the lighter pack at 0.7kg (vs. 0.96kg). For carry-on flexibility, the Deuter Giga SL fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Deuter Giga SL; if you want to travel lighter, the Deuter Walker 20 is the better call.