GateSizer

Does the Peak Design Travel Backpack 45L fit as a carry-on?

The Peak Design Travel Backpack 45L measures 56 × 33 × 23 cm and weighs 2 kg empty (we haven't confirmed the brand's size yet). It fits the cabin bag limit on 8 of the 22 airlines we track, including Singapore Airlines, Frontier Airlines and Southwest Airlines. It's too big to count as a personal item on any of them. Qatar Airways is the strictest for it: 6 cm too long.

Size
56 × 33 × 23 cm
Volume
about 43 L
Empty weight
2 kg
Fits as carry-on
8 airlines
Fits as personal item
0 airlines

We haven't confirmed this bag's size with the brand yet.

The Peak Design Travel Backpack 45L on every airline

Checked as a cabin bag. Tap an airline to see the full check.

See it in 3D

Flying with
55 × 40 × 20 cm, 10 kg
Checking
Paid add-on on Ryanair
56 × 33 × 23 cm, backpack
Units
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Side the bag fails onPart that sticks outSizer frame

Won't fit

Too deep by 3 cm. It's 23 cm front to back and Ryanair allows 20 cm.

BagPeak Design Travel Backpack 45L
Cabin bagRyanair
Length
56of 55 cm1 cm over
Width
33of 40 cm7 cm spare
Depth
23of 20 cm3 cm over
Weight10 kg limit

Empty it weighs 2 kg, leaving 8 kg for your things.

What you can do

  • Take a bag 20 cm deep or less. 7 bags we list fit.
  • Or check it in when you book. It's usually cheaper than paying at the gate.
  • Fits 4 other airlines, including Singapore Airlines and Frontier Airlines. See all

We haven't checked this bag's size against the brand yet.

See bags that fit Ryanair

Ryanair rules checked 2 Nov 2026. Source. Sizes include wheels and handles.

More about the Peak Design Travel Backpack 45L

Which airlines does the Peak Design Travel Backpack 45L fit as a carry-on?

8 of the 22 we track: Singapore Airlines, Frontier Airlines, Southwest Airlines, AirAsia, British Airways, easyJet, Jetstar and Qantas.

Can the Peak Design Travel Backpack 45L be a personal item?

No. At 56 × 33 × 23 cm it's bigger than every personal item limit we track.

What are the Peak Design Travel Backpack 45L's dimensions?

56 × 33 × 23 cm overall, including wheels, handles and pockets. That's about 43 litres of outside volume.