Does the Peak Design Travel Backpack 45L fit Ryanair's cabin bag?

No. Too deep by 3 cm. It's 23 cm front to back and Ryanair allows 20 cm. It's too big for Ryanair's personal item (16 cm too long). On Ryanair's cheapest fare the cabin bag costs extra.

Won't fit

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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

Packed weightkg

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.

Side by side

Peak Design Travel Backpack 45L against Ryanair's limits. Bags can be turned, so the longest side is compared with the longest limit.

Cabin bag: 55 × 40 × 20 cm, 10 kg
Side	Bag	Limit	Result
Length	56 cm	55 cm	1 cm over
Width	33 cm	40 cm	7 cm spare
Depth	23 cm	20 cm	3 cm over

Personal item: 40 × 30 × 20 cm
Side	Bag	Limit	Result
Length	56 cm	40 cm	16 cm over
Width	33 cm	30 cm	3 cm over
Depth	23 cm	20 cm	3 cm over

Empty it weighs 2 kg of the 10 kg limit.

Ryanair rules worth knowing

Cabin bag: Needs the 'Priority & 2 Cabin Bags' add-on. Without it the bag goes in the hold for a fee at the gate.
Personal item: Free on every fare and must fit under the seat. No published weight limit. Enlarged from 40×30×15 in 2025.
Gate fees for oversized bags run from about €46 to €70.

Airlines where the Peak Design Travel Backpack 45L fits

Singapore Airlines Frontier Airlines Southwest Airlines AirAsia All airlines

Bags that fit Ryanair's cabin bag

Biggest first.

American Tourister Soundbox Spinner 5555 × 40 × 20 cmTightExact fitBag page
Horizn Studios H5 Cabin Luggage55 × 40 × 20 cmTightExact fitBag page
Samsonite C-Lite Spinner 5555 × 40 × 20 cmTightExact fitBag page
Cabin Max Metz 30L45 × 36 × 20 cmTightExact fitBag page

Good to know

What can I do if the Peak Design Travel Backpack 45L is too big for Ryanair?

Add a checked bag when you book, which is usually cheaper than paying at the gate, or bring a smaller cabin bag. The Peak Design Travel Backpack 45L does fit Singapore Airlines, Frontier Airlines and Southwest Airlines.

What is Ryanair's cabin bag size limit?

Ryanair's cabin bag limit is 55 × 40 × 20 cm, up to 10 kg.

Which other bags fit Ryanair?

American Tourister Soundbox Spinner 55, Horizn Studios H5 Cabin Luggage, Samsonite C-Lite Spinner 55 and Cabin Max Metz 30L are right on the limit, so don't overpack.