Exped Summit Lite 25 vs. Deuter Ypsilon

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

Exped Summit Lite 25

Front facing view of the Exped Summit Lite 25
Capacity25 L
Weight0.33 kg
Dimensions53×28×20 cm
Airline fit89%
Price$62

Feature by feature

Exped Summit Lite 25FeatureDeuter Ypsilon
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap removable
Inside
N Laptop N
1 Main Compartments 1
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly Y
2 Water Bottle Holder 2
Y Water Resistant Y
Material
100 D Triple ripstop nylon, PU coated, 2'000 mm water columnPES 600 Coat, 600D PES

Deuter Ypsilon

Front facing view of the Deuter Ypsilon
Capacity28 L
Weight1.2 kg
Dimensions45×29×24 cm
Airline fit42%
Price$135

Key differences between the Exped Summit Lite 25 and Deuter Ypsilon

Both have: backpack straps, hip belt, 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. 74 accept both. 94 accept only the Exped Summit Lite 25, and 5 accept only the Deuter Ypsilon.

Only the Exped Summit Lite 25 fits

Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Great Lakes Airlines, Hawaiian Airlines, Hong Kong Airlines, Icelandair, InselAir, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kulula, Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Pakistan International, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WestJet, Xiamen.

Only the Deuter Ypsilon fits

Etihad Airways, Gulf Air, Oman Air, Qatar Airways, Ravn Alaska.

Exped Summit Lite 25 vs. Deuter Ypsilon: which should you pack?

The Deuter Ypsilon carries 3L more than the Exped Summit Lite 25 (25L vs. 28L), while the Exped Summit Lite 25 is the lighter pack at 0.33kg (vs. 1.2kg). For carry-on flexibility, the Exped Summit Lite 25 fits 89% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Deuter Ypsilon; if you want to travel lighter, the Exped Summit Lite 25 is the better call.