LXChecked 20 Oct 2026 against swiss.com

SWISS cabin bag size 2026

On SWISS’ cheapest fare (Economy Basic) you can bring one free under-seat bag up to 40 × 30 × 15 cm. A cabin bag up to 55 × 40 × 23 cm and 8 kg isn’t included on Economy Basic: choose Economy Light or higher. It comes with Economy Light, Comfort & Flex and Business & First.

Check my bag against SWISS

Free under-seat bag: 40 × 30 × 15 cmOn Economy Basic
Overhead cabin bag: 55 × 40 × 23 cmup to 8 kgNot on the cheapest fare

Check your bag against SWISS’ limits

Airline

Your ticket

Not sure? Pick the cheapest. It has the strictest rules.

Economy BasicEconomy Light, Comfort & FlexBusiness & First

Which bag

Under-seat bagfits under the seat in frontIncluded40 × 30 × 15 cmCabin baggoes in the overhead lockerPaid add-on55 × 40 × 23 cm· 8 kg

Sizer · SWISS · Under-seat

40 × 30 × 15 cm

Your bag’s size

Measure the outside, including wheels, handles and pockets. Tap + or − , or hold to keep going.

Height

Width

Depth

Weight(optional)

SWISS cabin bags by fare

What each ticket type includes, as published by SWISS.

SWISS cabin baggage allowance by fare
Fare	Under-seat bag	Cabin bag
Economy Basic Short- and medium-haul only	Included 40 × 30 × 15 cm	Paid add-on 55 × 40 × 23 cm · 8 kg Choose Economy Light or higher HON Circle, Senator and Star Alliance Gold members may bring one free.
Economy Light, Comfort & Flex Also applies to long-haul Economy and Premium Economy	Included 40 × 30 × 15 cm	Included 55 × 40 × 23 cm · 8 kg
Business & First 2 cabin bags	Included 40 × 30 × 15 cm	Included 55 × 40 × 23 cm · 8 kg Two cabin bags of up to 8 kg each.

If your bag is too big at the gate

Bags that don't meet the rules are checked into the hold at the desk or gate, for a fee higher than booking ahead. Card only.

CHF 60–110 / €60–110 / US$75–125, depending on route

It’s almost always cheaper to add the right bag when you book or online before you fly.

Other SWISS cabin rules worth knowing

Duty-free purchases don't count as an extra item, but must not take you over your allowance.
A foldable garment bag up to 57 × 54 × 15 cm and 8 kg can count as your cabin bag.
On full flights SWISS emails you beforehand and compliant cabin bags may be checked in free of charge.

Power banks on SWISS

Since 15 January 2026 SWISS allows up to 2 power banks (100–160 Wh only with prior approval). You can't charge devices with them or charge them on board.

Power-bank rules and Wh calculator

Liquids depend on the airport

The airline doesn’t set the liquids limit. The departure airport’s security does. Some now allow up to 2 litres.

Liquids rules by airport

SWISS cabin bag questions

What size is SWISS’ free under-seat bag?

40 × 30 × 15 cm on the Economy Basic fare. It must fit under the seat in front of you.

What size cabin bag can I take on SWISS?

Up to 55 × 40 × 23 cm and 8 kg. It’s included with Economy Light, Comfort & Flex and Business & First.

What happens if my bag is too big for SWISS?

Bags that don't meet the rules are checked into the hold at the desk or gate, for a fee higher than booking ahead. Card only. CHF 60–110 / €60–110 / US$75–125, depending on route

Can I take a power bank on SWISS?