Atom Packs "The Atom" vs. Exped Serac 35

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 Serac 35
Storage
N Compression N
40L Expanded Capacity None
2 Opening 2
N Passport N
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap Y
Inside
N Laptop N
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2 Water Bottle Holder N
Y Water Resistant Y
Material
VX07400 D HD ripstop nylon, TPU film laminated, 10'000 mm water column

Exped Serac 35

Front facing view of the Exped Serac 35
Capacity35 L
Weight0.82 kg
Dimensions62×30×23 cm
Airline fit13%
Price$209

Key differences between the Atom Packs "The Atom" and Exped Serac 35

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. 24 accept both. 157 accept only the Atom Packs "The Atom", and 0 accept only the Exped Serac 35.

Only the Atom Packs "The Atom" fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Niugini, Air Nostrum, Air Serbia, Air Seychelles, Air Tahiti, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, American Eagle, ANA, Asiana Airlines, ATA Airlines, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Boliviana de Aviacion, British Airways, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Caribbean Airlines, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Conviasa, Copa Airlines, Croatia Air, Czech Airlines, Delta Airlines, Dragonair, easyJet, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Frontier Airlines, Garuda Indonesia, Gol Linhas Aereas, Great Lakes Airlines, Gulf Air, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, Kuwait Air, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Oman Air, Onur Air, Pakistan International, Peach, PenAir, Porter Airlines, Qantas Airways, Qatar Airways, Ravn Alaska, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, Southwest Airlines, Spirit Airlines, SriLankan Airlines, Sun Country, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Thai Airways, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, Travel Service Airlines, TUI, Turkish Airlines, Ukraine International, United Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, WOW Airlines, Xiamen.

Atom Packs "The Atom" vs. Exped Serac 35: which should you pack?

The Exped Serac 35 carries 5L more than the Atom Packs "The Atom" (30L vs. 35L), while the Atom Packs "The Atom" is the lighter pack at 0.4kg (vs. 0.82kg). 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 Exped Serac 35; if you want to travel lighter, the Atom Packs "The Atom" is the better call.