Deuter Trans Alpine Pro 26 SL vs. Fjallraven Kaipak 28

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

Deuter Trans Alpine Pro 26 SL

Front facing view of the Deuter Trans Alpine Pro 26 SL
Capacity26 L
Weight1.45 kg
Dimensions51×27×20 cm
Airline fit90%
Price$201

Feature by feature

Deuter Trans Alpine Pro 26 SLFeatureFjallraven Kaipak 28
Storage
Y Compression Y
None Expanded Capacity None
4 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt removable
Y Sternum Strap removable
Inside
N Laptop N
1 Main Compartments 1
Y Organizer
Outside
× Hard Shell ×
Y Rain-fly Y
2 Water Bottle Holder 2
Y Water Resistant Y
Material
600D PES, 100D PA RipstopG-1000® HeavyDuty Eco S: 65% polyester, 35% cotton 100% polyamide 500D

Fjallraven Kaipak 28

Front facing view of the Fjallraven Kaipak 28
Capacity28 L
Weight1.05 kg
Dimensions57×28×21 cm
Airline fit17%
Price$150

Key differences between the Deuter Trans Alpine Pro 26 SL and Fjallraven Kaipak 28

Both have: compression straps, backpack straps, rain cover, 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. 32 accept both. 138 accept only the Deuter Trans Alpine Pro 26 SL, and 0 accept only the Fjallraven Kaipak 28.

Only the Deuter Trans Alpine Pro 26 SL 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 Nostrum, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Boliviana de Aviacion, British Airways, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, China Eastern, CommutAir, Copa Airlines, Czech Airlines, Delta Airlines, Dragonair, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Great Lakes Airlines, 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, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, Spirit Airlines, SriLankan Airlines, 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, Volotea, WestJet, WOW Airlines, Xiamen.

Deuter Trans Alpine Pro 26 SL vs. Fjallraven Kaipak 28: which should you pack?

The Fjallraven Kaipak 28 carries 2L more than the Deuter Trans Alpine Pro 26 SL (26L vs. 28L), while the Fjallraven Kaipak 28 is the lighter pack at 1.05kg (vs. 1.45kg). For carry-on flexibility, the Deuter Trans Alpine Pro 26 SL fits 90% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Fjallraven Kaipak 28; if you want to travel lighter, the Fjallraven Kaipak 28 is the better call.