Atom Packs "The Atom" vs. Exped Metro 30

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

Atom Packs "The Atom"

Front facing view of the Atom Packs "The Atom"
Capacity30 L
Weight0.4 kg
Dimensions45×24×18 cm
Airline fit96%
Price$185

Feature by feature

Atom Packs "The Atom"FeatureExped Metro 30
Storage
N Compression N
40L Expanded Capacity None
2 Opening 2
N Passport N
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt hideable
Y Sternum Strap Y
Inside
N Laptop 15in
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2 Water Bottle Holder 2
Y Water Resistant Y
Material
VX07600 D ripstop polyester, PU coated, 1'200 mm water column

Exped Metro 30

Front facing view of the Exped Metro 30
Capacity28 L
Weight0.8 kg
Dimensions56×29×19 cm
Airline fit47%
Price$119

Key differences between the Atom Packs "The Atom" and Exped Metro 30

Both have: backpack straps, sternum strap, water bottle pockets, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 88 accept both. 93 accept only the Atom Packs "The Atom", and 0 accept only the Exped Metro 30.

Only the Atom Packs "The Atom" fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Malta, Air Mauritius, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, All Nipon Airways, American Eagle, ANA, Asiana Airlines, ATA Airlines, Austrian, Azerbaijan Airlines, Belavia, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, China Eastern, Czech Airlines, easyJet, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, Fiji Airways, Flair Air, flybe, Gol Linhas Aereas, Great Lakes Airlines, Gulf Air, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, Juneyao Airlines, Kenya Airways, KLM, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Qatar Airways, Ravn Alaska, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Turkish Airlines, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, WestJet, Xiamen.

Atom Packs "The Atom" vs. Exped Metro 30: which should you pack?

The Atom Packs "The Atom" carries 2L more than the Exped Metro 30 (30L vs. 28L), while the Atom Packs "The Atom" is the lighter pack at 0.4kg (vs. 0.8kg). For carry-on flexibility, the Atom Packs "The Atom" fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Atom Packs "The Atom"; if you want to travel lighter, the Atom Packs "The Atom" is the better call.