Exped Serac 25 vs. Exped Mountain Pro 20

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

Exped Serac 25

Front facing view of the Exped Serac 25
Capacity25 L
Weight0.765 kg
Dimensions55×25×21 cm
Airline fit69%
Price$200

Feature by feature

Exped Serac 25FeatureExped Mountain Pro 20
Storage
N Compression N
None Expanded Capacity None
3 Opening 3
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
N Water Bottle Holder N
Y Water Resistant Y
Material
420 D ripstop nylon, TPU film laminate, >10'000 mm water column420 D Oxford nylon, PU coated, 3'000 mm water column

Exped Mountain Pro 20

Front facing view of the Exped Mountain Pro 20
Capacity20 L
Weight1.12 kg
Dimensions50×29×17 cm
Airline fit92%
Price$250

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 130 accept both. 1 accept only the Exped Serac 25, and 43 accept only the Exped Mountain Pro 20.

Only the Exped Serac 25 fits

Great Lakes Airlines.

Only the Exped Mountain Pro 20 fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, Etihad Airways, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Qatar Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Scoot, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Ukraine International, VIM Airlines (Closed), Volotea, WestJet, Xiamen.

Exped Serac 25 vs. Exped Mountain Pro 20: which should you pack?

The Exped Serac 25 carries 5L more than the Exped Mountain Pro 20 (25L vs. 20L), while the Exped Serac 25 is the lighter pack at 0.765kg (vs. 1.12kg). For carry-on flexibility, the Exped Mountain Pro 20 fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Exped Serac 25; if you want to travel lighter, the Exped Serac 25 is the better call.