Thule Landmark vs. Tortuga Expandable Backpack

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

Thule Landmark

Front facing view of the Thule Landmark
Capacity40 L
Weight1.4 kg
Dimensions55×33×25 cm
Airline fit38%
Price$220

Feature by feature

Thule LandmarkFeatureTortuga Expandable Backpack
Storage
4 Compression 4
None Expanded Capacity None
1 Opening 1
top Passport top, front
N Passthrough Y
Carry
hideable Backpack Y, hideable
hideable Hip Belt Y, removable
Y Sternum Strap Y
Inside
16in Laptop 16in
3 Main Compartments 4
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
420D Dobby polyester, bluesign approved630D CORDURA

Tortuga Expandable Backpack

Front facing view of the Tortuga Expandable Backpack
Capacity27 L
Weight1.6 kg
Dimensions49×32×18 cm
Airline fit91%
Price$250

Key differences between the Thule Landmark and Tortuga Expandable Backpack

Both have: compression straps, sternum strap, laptop sleeve, 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. 72 accept both. 0 accept only the Thule Landmark, and 100 accept only the Tortuga Expandable Backpack.

Only the Tortuga Expandable Backpack fits

Aer Lingus, Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, 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, Croatia Air, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, 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, Oman Air, Pakistan International, Porter Airlines, Qantas Airways, Qatar Airways, 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, Volotea, WestJet, Xiamen.

Thule Landmark vs. Tortuga Expandable Backpack: which should you pack?

The Thule Landmark carries 13L more than the Tortuga Expandable Backpack (40L vs. 27L), while the Thule Landmark is the lighter pack at 1.4kg (vs. 1.6kg). For carry-on flexibility, the Tortuga Expandable Backpack fits 91% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Thule Landmark; if you want to travel lighter, the Thule Landmark is the better call.