Deuter Aircontact Lite 40+10 vs. Hyperlite Mountain Gear Southwest

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

Deuter Aircontact Lite 40+10

Capacity50 L
Weight1.6 kg
Dimensions53×31×25 cm
Airline fit39%
Price$215

Feature by feature

Deuter Aircontact Lite 40+10FeatureHyperlite Mountain Gear Southwest
Storage
5 Compression 5
None Expanded Capacity None
0 Opening 2
top Passport
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt Y
Y Sternum Strap removable
Inside
N Laptop N
3 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
140D Polyester RIPSTOPDyneema® 200-denier

Hyperlite Mountain Gear Southwest

Front facing view of the Hyperlite Mountain Gear Southwest
Capacity40 L
Weight0.8 kg
Dimensions70×28×17 cm
Airline fit12%
Price$380

Key differences between the Deuter Aircontact Lite 40+10 and Hyperlite Mountain Gear Southwest

Both have: compression straps, backpack straps, hip belt, 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. 23 accept both. 50 accept only the Deuter Aircontact Lite 40+10, and 0 accept only the Hyperlite Mountain Gear Southwest.

Only the Deuter Aircontact Lite 40+10 fits

Aegean Airlines, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Astana, Air Caraibes, Air France, Air India, Air Mauritius, Air Nostrum, All Nipon Airways, ANA, Atlas Global, Boliviana de Aviacion, British Airways, Caribbean Airlines, Conviasa, Copa Airlines, Croatia Air, Czech Airlines, EL AL, Finnair, Frontier Airlines, Gol Linhas Aereas, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Island Air, Japan Airlines, Jet Airways, Jet2, Kenya Airways, KLM, Kuwait Air, LATAM , Middle East Airlines, Monarch Airlines, Onur Air, Peach, PenAir, Sky Airlines, Southwest Airlines, Spirit Airlines, Sun Country, Thai Airways, Travel Service Airlines, Uzbekistan Air, WOW Airlines.

Deuter Aircontact Lite 40+10 vs. Hyperlite Mountain Gear Southwest: which should you pack?

The Deuter Aircontact Lite 40+10 carries 10L more than the Hyperlite Mountain Gear Southwest (50L vs. 40L), while the Hyperlite Mountain Gear Southwest is the lighter pack at 0.8kg (vs. 1.6kg). For carry-on flexibility, the Deuter Aircontact Lite 40+10 fits 39% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Deuter Aircontact Lite 40+10; if you want to travel lighter, the Hyperlite Mountain Gear Southwest is the better call.