---
url: "https://onebag.travel/compare/6g94ofwrhr/tatonka-flightcase-40/h1rqln9ogu/patagonia-tres-mlc-45l/"
title: "Tatonka Flightcase 40 vs Patagonia Tres MLC® 45L"
description: "Tatonka Flightcase 40 vs Patagonia Tres MLC® 45L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/6g94ofwrhr/tatonka-flightcase-40/h1rqln9ogu/patagonia-tres-mlc-45l/"
---
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3.  Tatonka Flightcase 40 vs. Patagonia Tres MLC® 45L

# Tatonka Flightcase 40 vs. Patagonia Tres MLC® 45L

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

## [Tatonka Flightcase 40](https://onebag.travel/carryon/6g94ofwrhr/tatonka-flightcase-40/)

by [Tatonka](https://onebag.travel/carryons/?brands=Tatonka)

![Front facing view of the Tatonka Flightcase 40](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990714/carryons/tatonka-flightcase-40-6g94ofwrhr.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>40 L</td></tr><tr><td>Weight</td><td>1.4 kg</td></tr><tr><td>Dimensions</td><td>55×32×18 cm</td></tr><tr><td>Airline fit</td><td>86%</td></tr><tr><td>Price</td><td>$186</td></tr></tbody></table>

## Feature by feature

| Tatonka Flightcase 40 | Feature | Patagonia Tres MLC® 45L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | N |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | hideable |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 4 | Main Compartments | 1 |
| N | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| N | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>T-Travel Tex Melange Eco</td><td>630-denier nylon, 200-denier 100% recycled polyeste</td></tr></tbody></table>

## [Patagonia Tres MLC® 45L](https://onebag.travel/carryon/h1rqln9ogu/patagonia-tres-mlc-45l/)

by [Patagonia](https://onebag.travel/carryons/?brands=Patagonia)

![Front facing view of the Patagonia Tres MLC® 45L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632754332/carryons/Patagonia_Tres_MLC_45L_gbmz36.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>45 L</td></tr><tr><td>Weight</td><td>1.5 kg</td></tr><tr><td>Dimensions</td><td>54×41×18 cm</td></tr><tr><td>Airline fit</td><td>26%</td></tr><tr><td>Price</td><td>$179</td></tr></tbody></table>

## Key differences between the Tatonka Flightcase 40 and Patagonia Tres MLC® 45L

-   **Passport pocket:** Front on the Tatonka Flightcase 40; No on the Patagonia Tres MLC® 45L.
-   **Main compartments:** 4 on the Tatonka Flightcase 40; 1 on the Patagonia Tres MLC® 45L.
-   **Built-in organizer:** No on the Tatonka Flightcase 40; Yes on the Patagonia Tres MLC® 45L.
-   **Water resistant:** No on the Tatonka Flightcase 40; Yes on the Patagonia Tres MLC® 45L.

Both have: luggage passthrough, backpack straps, sternum strap, laptop sleeve.

## Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 49 accept both. 114 accept only the Tatonka Flightcase 40, and 0 accept only the Patagonia Tres MLC® 45L.

### Only the Tatonka Flightcase 40 fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Baltic, Air Canada, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Conviasa, Copa Airlines, Croatia Air, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Icelandair, Indigo, InselAir, Interjet, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, LATAM , LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Pakistan International, Peach, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, Xiamen.

## Tatonka Flightcase 40 vs. Patagonia Tres MLC® 45L: which should you pack?

The **Patagonia Tres MLC® 45L** carries 5L more than the **Tatonka Flightcase 40** (40L vs. 45L), while the **Tatonka Flightcase 40** is the lighter pack at 1.4kg (vs. 1.5kg). For carry-on flexibility, the **Tatonka Flightcase 40** fits 86% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Tres MLC® 45L; if you want to travel lighter, the Tatonka Flightcase 40 is the better call.