Tom Bihn Aeronaut 45L vs. Tom Bihn Techonaut 30
Two carry-on travel backpacks, compared spec for spec.
Tom Bihn Aeronaut 45L
| Capacity | 45 L |
| Weight | 1.4 kg |
| Dimensions | 56×36×23 cm |
| Airline fit | 45% |
| Price | $340 |
Feature by feature
| Tom Bihn Aeronaut 45L | Feature | Tom Bihn Techonaut 30 |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| side | Passport | top |
| N | Passthrough | Y |
| Carry | ||
| hideable | Backpack | hideable |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside | ||
| N | Laptop | 16in |
| 5 | Main Compartments | 5 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| 1050 denier ballistic nylon OR ultralight 400d Halcyon/420d nylon ripstop 200 denier Halcyon/nylon ripstop fabric lining | 400d Halcyon/420d nylon ripstop exterior |
Tom Bihn Techonaut 30
| Capacity | 30 L |
| Weight | 1 kg |
| Dimensions | 50×32×21 cm |
| Airline fit | 73% |
| Price | $400 |
Key differences between the Tom Bihn Aeronaut 45L and Tom Bihn Techonaut 30
- Passport pocket: Side on the Tom Bihn Aeronaut 45L; Top on the Tom Bihn Techonaut 30.
- Luggage passthrough: No on the Tom Bihn Aeronaut 45L; Yes on the Tom Bihn Techonaut 30.
- Laptop sleeve: No on the Tom Bihn Aeronaut 45L; 16in on the Tom Bihn Techonaut 30.
- Water bottle pockets: No on the Tom Bihn Aeronaut 45L; 1, side on the Tom Bihn Techonaut 30.
Both have: backpack straps, 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. 85 accept both. 0 accept only the Tom Bihn Aeronaut 45L, and 53 accept only the Tom Bihn Techonaut 30.
Only the Tom Bihn Techonaut 30 fits
Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Canada, Air Caraibes, Air France, Air India, Air Mauritius, All Nipon Airways, ANA, Austrian, Azerbaijan Airlines, Boliviana de Aviacion, Brussels Airlines, Caribbean Airlines, Cayman Airways, Croatia Air, Czech Airlines, Ethiopian Airlines, Etihad Airways, Eurowings, Fiji Airways, Flair Air, Gol Linhas Aereas, Iberia, Indigo, Interjet, Iran Air, Japan Airlines, Jet Airways, Kenya Airways, KLM, LATAM , Liat Airlines, LOT Polish, Lufthansa, Mahan Air, Mesa Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Qatar Airways, Royal Jordanian, SAS Scandinavian, Scoot, Sky Airlines, Swiss Int'l Air Lines, Tiger Airways, Turkish Airlines, WestJet.
Tom Bihn Aeronaut 45L vs. Tom Bihn Techonaut 30: which should you pack?
The Tom Bihn Aeronaut 45L carries 15L more than the Tom Bihn Techonaut 30 (45L vs. 30L), while the Tom Bihn Techonaut 30 is the lighter pack at 1kg (vs. 1.4kg). For carry-on flexibility, the Tom Bihn Techonaut 30 fits 73% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tom Bihn Aeronaut 45L; if you want to travel lighter, the Tom Bihn Techonaut 30 is the better call.