---
url: "https://onebag.travel/compare/g9gkqqi9n3/tom-bihn-aeronaut-30l/mx0u6a16g0/millican-smith-15l/"
title: "Tom Bihn Aeronaut 30L vs Millican Smith 15L - One Bag Travel"
description: "Tom Bihn Aeronaut 30L vs Millican Smith 15L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/g9gkqqi9n3/tom-bihn-aeronaut-30l/mx0u6a16g0/millican-smith-15l/"
---
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3.  Tom Bihn Aeronaut 30L vs. Millican Smith 15L

# Tom Bihn Aeronaut 30L vs. Millican Smith 15L

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

## [Tom Bihn Aeronaut 30L](https://onebag.travel/carryon/g9gkqqi9n3/tom-bihn-aeronaut-30l/)

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

![Front facing view of the Tom Bihn Aeronaut 30L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601600830/carryons/aeronaut30_gvxzea.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>30 L</td></tr><tr><td>Weight</td><td>1.3 kg</td></tr><tr><td>Dimensions</td><td>50×32×20 cm</td></tr><tr><td>Airline fit</td><td>91%</td></tr><tr><td>Price</td><td>$330</td></tr></tbody></table>

## Feature by feature

| Tom Bihn Aeronaut 30L | Feature | Millican Smith 15L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 2 |
| side | Passport | side |
| N | Passthrough | N |
| Carry |
| hideable | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside |
| N | Laptop | 13in |
| 5 | Main Compartments | 3 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>1050 denier ballistic nylon OR ultralight 400d Halcyon/420d nylon ripstop 200 denier Halcyon/nylon ripstop fabric lining</td><td>Weatherproof Bionic Canvas</td></tr></tbody></table>

## [Millican Smith 15L](https://onebag.travel/carryon/mx0u6a16g0/millican-smith-15l/)

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

![Front facing view of the Millican Smith 15L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601121629/carryons/millicansmith_h95dgj.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>15 L</td></tr><tr><td>Weight</td><td>0.8 kg</td></tr><tr><td>Dimensions</td><td>45×28×10 cm</td></tr><tr><td>Airline fit</td><td>96%</td></tr><tr><td>Price</td><td>$115</td></tr></tbody></table>

## Key differences between the Tom Bihn Aeronaut 30L and Millican Smith 15L

-   **Opening:** Other on the Tom Bihn Aeronaut 30L; Rolltop on the Millican Smith 15L.
-   **Backpack straps:** Hideable on the Tom Bihn Aeronaut 30L; Yes on the Millican Smith 15L.
-   **Laptop sleeve:** No on the Tom Bihn Aeronaut 30L; 13in on the Millican Smith 15L.
-   **Main compartments:** 5 on the Tom Bihn Aeronaut 30L; 3 on the Millican Smith 15L.

Both have: passport pocket, 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. 172 accept both. 0 accept only the Tom Bihn Aeronaut 30L, and 9 accept only the Millican Smith 15L.

### Only the Millican Smith 15L fits

Air Niugini, Air Tahiti, American Eagle, easyJet, Great Lakes Airlines, Gulf Air, Ravn Alaska, Regional Express, Virgin Australia.

## Tom Bihn Aeronaut 30L vs. Millican Smith 15L: which should you pack?

The **Tom Bihn Aeronaut 30L** carries 15L more than the **Millican Smith 15L** (30L vs. 15L), while the **Millican Smith 15L** is the lighter pack at 0.8kg (vs. 1.3kg). For carry-on flexibility, the **Millican Smith 15L** fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tom Bihn Aeronaut 30L; if you want to travel lighter, the Millican Smith 15L is the better call.