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Cathay Pacific baggage allowance: cabin and checked

Cathay Pacific is a overseas carrier carrier flying international routes to Japan. Hong Kong's airline, and one of the main ways to connect from Japan to south-east Asia and Australia.

Updated

115cmCarry-on, three sides
7kgCarry-on weight
23kgChecked, per piece

Overseas carrierInternational flights

What Cathay Pacific lets you take into the cabin

Three sides added
115cm
Weight
7kg
Pieces
1 bag plus one personal item

What Cathay Pacific lets you check in

Free pieces
Varies by fare
Weight
23kg per piece
Size
158cm total of three sides

If you go over the allowance

Refused outright
Refused over 32kg per piece or 203cm total

Paying at the airport is always the most expensive option. Where an allowance can be bought in advance, buying it online before you travel costs less.

Batteries and things that cannot be checked

Cathay Pacific applies the same rule as every other airline flying to Japan.

  • Power banks and spare lithium batteries travel in the cabin only, never in checked baggage.
  • Up to 100Wh needs no approval; 100–160Wh needs the airline's agreement and is limited to two; over 160Wh is refused.
  • E-cigarettes and heated tobacco go in the cabin and cannot be used or charged during the flight.
  • A device in a checked bag must be switched fully off, and removable batteries come out and travel with you.

Frequently asked questions

What is the carry-on size limit on Cathay Pacific?

Three sides added: 115cm. Weight: 7kg. Pieces: 1 bag plus one personal item.

How much checked baggage is included with Cathay Pacific?

Pieces: Varies by fare. Weight: 23kg per piece. Size: 158cm total of three sides.

Can I put a power bank in checked baggage on Cathay Pacific?

No. Power banks and spare lithium batteries must travel in the cabin on every airline flying to or within Japan. Up to 100Wh needs no approval, 100–160Wh needs the airline's agreement, and over 160Wh cannot be carried at all.

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Compiled by Japan Japan !! · Updated September 29, 2026