Eagle Creek Wayfinder 40L vs. Deuter Giga SL

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

Eagle Creek Wayfinder 40L

Front facing view of the Eagle Creek Wayfinder 40L
Capacity40 L
Weight1.17 kg
Dimensions53×35.5×21 cm
Airline fit65%
Price$130

Feature by feature

Eagle Creek Wayfinder 40LFeatureDeuter Giga SL
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
hideable Hip Belt removable
Y Sternum Strap Y
Inside
17in Laptop 17in
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
removable Rain-fly removable
2 Water Bottle Holder 2
Y Water Resistant Y
Material
300D Dual-Diamond Heather Ripstop, 500D Poly RPVB Coating300D 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 Eagle Creek Wayfinder 40L and Deuter Giga SL

Both have: backpack straps, sternum strap, laptop sleeve, rain cover, 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. 122 accept both. 0 accept only the Eagle Creek Wayfinder 40L, and 52 accept only the Deuter Giga SL.

Only the Deuter Giga SL fits

Aerolineas Argentinas, Air Baltic, Air China, Air France, Air India, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Boliviana de Aviacion, Bulgaria Air, Cayman Airways, China Eastern, Emirates Airlines, Enter Air, Etihad Airways, flybe, Icelandair, Indigo, InselAir, Jet Airways, Juneyao Airlines, Kenya Airways, KLM, LATAM , Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Qatar Airways, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, Xiamen.

Eagle Creek Wayfinder 40L vs. Deuter Giga SL: which should you pack?

The Eagle Creek Wayfinder 40L carries 12L more than the Deuter Giga SL (40L vs. 28L), while the Deuter Giga SL is the lighter pack at 0.96kg (vs. 1.17kg). 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 Eagle Creek Wayfinder 40L; if you want to travel lighter, the Deuter Giga SL is the better call.