East Asia · Hong Kong
Cathay Pacific Baggage Rules
Published personal item, carry-on and checked bag allowances for Cathay Pacific (CX), verified against the carrier's own policy page on August 16, 2026.
Official Cathay Pacific baggage policyWill my bag fit Cathay Pacific?
Measure your bag including wheels and handles, then check it against Cathay Pacific's published limit.
Cathay Pacific carry-on limit: 22 × 14.2 × 9.1 in (55.9 × 36.1 × 23.1 cm) · 15.4 lb
Allowance
Personal Item
| Cabin / fare | Route | Max size | Max weight | Fees & notes |
|---|---|---|---|---|
| economy | All routes | 15.7 × 11.8 × 5.9 in (39.9 × 30 × 15 cm) | None published | Free |
Allowance
Carry-On
| Cabin / fare | Route | Max size | Max weight | Fees & notes |
|---|---|---|---|---|
| economy | All routes | 22 × 14.2 × 9.1 in (55.9 × 36.1 × 23.1 cm) | 15.4 lb (7 kg) | Included |
Allowance
Checked Bag
| Cabin / fare | Route | Max size | Max weight | Fees & notes |
|---|---|---|---|---|
| economy | All routes | 62 in total (L+W+D) / 157.5 cm | 50.7 lb (23 kg) | Included on Economy Essential and above |
Security rules for flights from Hong Kong
These are government security and safety rules — separate from your airline's baggage allowance. They are set by the aviation authority at your departure point, not by the airline.
Screening at major departure airports
Hong Kong International (HKG)
- Authority:
- Civil Aviation Department
- Liquids:
- 100 ml containers in one 1 L bag
- Scanners:
- CT scanners at selected lanes
- Electronics:
- Power banks cabin-only and may not be charged in flight
Power bank use in flight
Civil Aviation Department Hong KongPower banks must be carried in the cabin and may not be used to charge devices or be charged in flight; they must not be stored in overhead bins.
- Carry-on:
- Yes - cabin only, kept accessible
- Checked:
- No
- Watt-hour ceiling:
- 160 Wh
- Medication:
- Medical devices exempt with documentation.
Cabin crew announce power bank restrictions on Hong Kong carriers.
Last verified August 16, 2026Official source
ICAO dangerous goods baseline
International Civil Aviation Organization (ICAO)ICAO Technical Instructions set the worldwide baseline that national regulators adopt: no spare lithium batteries in checked baggage, no flammable gases or liquids, no strike-anywhere matches, and e-cigarettes carried in the cabin only and never charged in flight.
- Carry-on:
- E-cigarettes and vapes: cabin only, charging prohibited
- Checked:
- Spare batteries, flammable liquids and gases prohibited
- Watt-hour ceiling:
- 160 Wh
- Medication:
- Medical oxygen and battery-powered medical devices require advance airline arrangement.
Where your departure country publishes no separate rule, carriers apply this ICAO baseline.
Last verified August 16, 2026Official source
FAQ
Cathay Pacific baggage questions
- What is Cathay Pacific's carry-on size limit?
- Cathay Pacific's published cabin bag limit is 22 × 14.2 × 9.1 in (55.9 × 36.1 × 23.1 cm).
- Does Cathay Pacific weigh carry-on bags?
- Yes — the published cabin bag weight limit is 15.4 lb (7 kg), and gate staff can weigh bags at any time.
- What size personal item does Cathay Pacific allow?
- The under-seat personal item allowance is 15.7 × 11.8 × 5.9 in (39.9 × 30 × 15 cm).
- What is Cathay Pacific's checked bag size and weight limit?
- Checked bags are limited to 62 in total (L+W+D) / 157.5 cm, with a 50.7 lb weight limit. Bags over the limit are charged overweight or oversize fees.
- How do I know if my bag will fit on Cathay Pacific?
- Measure your bag with the wheels and handles included, then run the measurements through the Travel Review HQ bag size checker. It compares your bag against Cathay Pacific's published limits and, for connecting itineraries, against the strictest carrier on your route.
- Are Cathay Pacific's baggage rules the same as airport security rules?
- No. Cathay Pacific sets the size, weight and fee allowance. Liquids, power banks and prohibited items are set by the security authority in your departure country (Hong Kong for most Cathay Pacific departures), and both sets of rules apply to the same bag.
Check your own bag against Cathay Pacific
Enter your bag's measurements and we'll tell you whether it clears the sizer — including on connecting flights with other carriers.
You may also need
- Best personal item bags for Cathay PacificTRHQ-scored bags verified against this airline's sizer.
- Compare carry-on bagsSide-by-side dimensions, weight and TRHQ scores.
- Packing cubes for personal itemsFit more into a smaller bag.
- Travel electronics & power banksWhat's allowed in the cabin, and what we pack.
- TSA liquid & security rulesScreening rules for your route, with the CT scanner status.
- All airline baggage guidesCarry-on and checked limits for carriers worldwide.
Airline and airport baggage policies can change. Travel Review HQ verifies requirements against official sources, but travelers should confirm current restrictions with their airline before departure.