Ortlieb Light-Pack Two vs. Deuter Ypsilon

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

Ortlieb Light-Pack Two

Front facing view of the Ortlieb Light-Pack Two
Capacity25 L
Weight0.33 kg
Dimensions47×26×15.5 cm
Airline fit93%
Price$120

Feature by feature

Ortlieb Light-Pack TwoFeatureDeuter Ypsilon
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
removable Sternum Strap removable
Inside
N Laptop N
1 Main Compartments 1
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly Y
4 Water Bottle Holder 2
Y Water Resistant Y
Material
PS21PES 600 Coat, 600D PES

Deuter Ypsilon

Front facing view of the Deuter Ypsilon
Capacity28 L
Weight1.2 kg
Dimensions45×29×24 cm
Airline fit42%
Price$135

Key differences between the Ortlieb Light-Pack Two and Deuter Ypsilon

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

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 77 accept both. 99 accept only the Ortlieb Light-Pack Two, and 2 accept only the Deuter Ypsilon.

Only the Ortlieb Light-Pack Two fits

Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Great Lakes Airlines, Hawaiian Airlines, Hong Kong Airlines, Icelandair, InselAir, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kulula, Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Pakistan International, Porter Airlines, Qantas Airways, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, Xiamen.

Only the Deuter Ypsilon fits

Gulf Air, Ravn Alaska.

Ortlieb Light-Pack Two vs. Deuter Ypsilon: which should you pack?

The Deuter Ypsilon carries 3L more than the Ortlieb Light-Pack Two (25L vs. 28L), while the Ortlieb Light-Pack Two is the lighter pack at 0.33kg (vs. 1.2kg). For carry-on flexibility, the Ortlieb Light-Pack Two fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Deuter Ypsilon; if you want to travel lighter, the Ortlieb Light-Pack Two is the better call.