Tatonka Flightcase 40 vs Thule Aion Travel Backpack 40L
The Tatonka Flightcase 40 is 40L and 1.43kg3.2lb; the Thule Aion Travel Backpack 40L is 40L and 1.4kg3.1lb. The Thule Aion Travel Backpack 40L is 0.03kg0.1lb lighter. The Tatonka Flightcase 40 fits the carry-on limit of 35 of 36 major airlines and the Thule Aion Travel Backpack 40L fits 30; under the seat, 0 and 0 of 26.
| Spec | Tatonka Flightcase 40 | Thule Aion Travel Backpack 40L |
|---|---|---|
| Price | n/a | $210 |
| Volume | 40L | 40L |
| Weight | 1.43kg3.2lb | 1.4kg3.1lbBest |
| Carry-on compliance | 97%Best | 83% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 55×32×18cm21.5×12.5×7in | 52×33×23cm20.5×13×9in |
| Laptop | 15.4" | 17"Best |
| Bottle pockets | n/a | 1 |
| Compression straps | n/a | 0 |
| Opening | Clamshell, Main compartment opens out completely | n/a |
| Warranty | n/a | Lifetime |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | Yes | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Material | Textreme 6.6 Recycled, Travel Tex Melange, Microrip 2.1 | Waxed 600D recycled polyester canvas |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Tatonka Flightcase 40 | Thule Aion Travel Backpack 40L |
|---|---|---|---|
| Air Arabia | Carry-on | Fits | Too big |
| Air India | Carry-on | Fits | Too big |
| Emirates | Carry-on | Fits | Too big |
| Ryanair | Carry-on | Fits | Too big |
| Vueling | Carry-on | Fits | Too big |
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.