---
url: "https://onebag.travel/compare/g9gkqqi9n3/tom-bihn-aeronaut-30l/j0bvy2x3ap/tom-bihn-smart-alec/"
title: "Tom Bihn Aeronaut 30L vs Tom Bihn Smart Alec"
description: "Tom Bihn Aeronaut 30L vs Tom Bihn Smart Alec: 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/j0bvy2x3ap/tom-bihn-smart-alec/"
---
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3.  Tom Bihn Aeronaut 30L vs. Tom Bihn Smart Alec

# Tom Bihn Aeronaut 30L vs. Tom Bihn Smart Alec

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 | Tom Bihn Smart Alec |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| side | Passport |  |
| N | Passthrough | N |
| Carry |
| hideable | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside |
| N | Laptop | 17in |
| 5 | Main Compartments | 0 |
| N | Organizer | Y |
| 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></td></tr></tbody></table>

## [Tom Bihn Smart Alec](https://onebag.travel/carryon/j0bvy2x3ap/tom-bihn-smart-alec/)

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

![Front facing view of the Tom Bihn Smart Alec](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601600373/carryons/tombihnsmartalex_cvucd3.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>26 L</td></tr><tr><td>Weight</td><td>0.9 kg</td></tr><tr><td>Dimensions</td><td>47×30×21 cm</td></tr><tr><td>Airline fit</td><td>74%</td></tr><tr><td>Price</td><td>$190</td></tr></tbody></table>

## Key differences between the Tom Bihn Aeronaut 30L and Tom Bihn Smart Alec

-   **Backpack straps:** Hideable on the Tom Bihn Aeronaut 30L; Yes on the Tom Bihn Smart Alec.
-   **Laptop sleeve:** No on the Tom Bihn Aeronaut 30L; 17in on the Tom Bihn Smart Alec.
-   **Built-in organizer:** No on the Tom Bihn Aeronaut 30L; Yes on the Tom Bihn Smart Alec.

Both have: 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. 138 accept both. 34 accept only the Tom Bihn Aeronaut 30L, and 2 accept only the Tom Bihn Smart Alec.

### Only the Tom Bihn Aeronaut 30L fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

### Only the Tom Bihn Smart Alec fits

Regional Express, Virgin Australia.

## Tom Bihn Aeronaut 30L vs. Tom Bihn Smart Alec: which should you pack?

The **Tom Bihn Aeronaut 30L** carries 4L more than the **Tom Bihn Smart Alec** (30L vs. 26L), while the **Tom Bihn Smart Alec** is the lighter pack at 0.9kg (vs. 1.3kg). For carry-on flexibility, the **Tom Bihn Aeronaut 30L** fits 91% 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 Tom Bihn Smart Alec is the better call.