REI Co-op Ruckpack 30 vs. Tom Bihn Aeronaut 30L

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

REI Co-op Ruckpack 30

Capacity30 L
Weight0.8 kg
Dimensions50×27×22 cm
Airline fit73%
Price$109

Feature by feature

REI Co-op Ruckpack 30FeatureTom Bihn Aeronaut 30L
Storage
N Compression N
None Expanded Capacity None
0 Opening 0
top, side Passport side
N Passthrough N
Carry
hideable Backpack hideable
removable Hip Belt removable
Y Sternum Strap removable
Inside
15in Laptop N
5 Main Compartments 5
N Organizer N
Outside
× Hard Shell ×
Y Rain-fly N
2, side Water Bottle Holder N
Y Water Resistant Y
Material
recycled nylon shell1050 denier ballistic nylon OR ultralight 400d Halcyon/420d nylon ripstop 200 denier Halcyon/nylon ripstop fabric lining

Tom Bihn Aeronaut 30L

Front facing view of the Tom Bihn Aeronaut 30L
Capacity30 L
Weight1.3 kg
Dimensions50×32×20 cm
Airline fit91%
Price$330

Key differences between the REI Co-op Ruckpack 30 and Tom Bihn Aeronaut 30L

Both have: backpack straps, hip belt, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 137 accept both. 1 accept only the REI Co-op Ruckpack 30, and 35 accept only the Tom Bihn Aeronaut 30L.

Only the REI Co-op Ruckpack 30 fits

Great Lakes Airlines.

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, Liat 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.

REI Co-op Ruckpack 30 vs. Tom Bihn Aeronaut 30L: which should you pack?

The REI Co-op Ruckpack 30 carries the same capacity as the Tom Bihn Aeronaut 30L (30L vs. 30L), while the REI Co-op Ruckpack 30 is the lighter pack at 0.8kg (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 REI Co-op Ruckpack 30; if you want to travel lighter, the REI Co-op Ruckpack 30 is the better call.