China Southern Airlines Baggage Allowance, Fees & How to Add Extra Baggage

CZ / CSN · China

Prepay for extra checked baggage online via the China Southern website's prepaid baggage portal, or purchase at the airport. Piece-based system for international routes (3 area zones) with charges per additional piece, overweight, and oversized. Weight concept for domestic China routes. Use the official links below to review baggage rules, booking access, and related airline services.

Updated Aug 28, 2026

China Southern Airlines Baggage Allowance

Free checked and carry-on baggage allowances by cabin class and route. Allowances vary by route, ticket type, and frequent flyer status — always confirm with the official baggage policy before you fly.

Checked baggage

Weight-based on domestic; piece-based 3 × 32 kg on all international/regional itineraries.

LabelAmountNotes
Domestic40kg
  • Weight concept. Verbatim 40kg from domestic table. Each piece 2–32 kg, total dimensions 40–203 cm (L+W+H) per piece, min size 5×15×20 cm. Child same as adult; infant not occupying a seat has no free checked allowance except one collapsible stroller free. Domestic segment of international transport follows international allowance. Allowance subject to ticket display.
International/Regional — All itineraries3 × 32 kg
  • Verbatim on page: '3 pcs, 32 kg (70lb)/pc, the sum of L+W+H per piece≤158cm'. Piece concept per IATA Resolution 302. Applies to all international/regional itineraries. Sky Pearl member extra per member rules. Voluntary/involuntary cabin change follows fare-date rules.
  • Infant not occupying a seat: 1 × 10 kg (22 lbs) per piece, sum of three sides ≤115cm (45 in) plus one collapsible stroller free for all cabins.

Carry-on baggage

2 pieces on domestic and international/regional flights, 8 kg per piece, dimensions 55×40×20 cm.

LabelAmountNotes
Domestic2 × 8 kg
  • Verbatim: '2pc' / '8kg' / 'The length, width and height of each carry-on shall not exceed: 55 * 40 * 20 cm (or 22 * 16 * 8 inches)' — table uses rowspan=8 for weight and rowspan=8 for dimensions across all cabins and flight types. Must fit under front seat or in closed overhead bin; excess must be checked at counter/kiosk in advance. Inspections at check-in, security, gate and cabin; excess charged per excess baggage rules.
  • Plus one small computer/camera/briefcase/handbag (must fit under front seat) free for all passengers except infant not occupying a seat; also infant food, baby basket/foldable stroller (≤115 cm sum for cabin, else checked), foldable wheelchair/crutches/mobility aids and service dogs (advance request) per additional-items table.
International/Regional2 × 8 kg
  • Same verbatim '2pc' / '8kg' / '55 * 40 * 20 cm' — International/Regional shares rowspan weight/dimensions with Domestic. Same fit, check-before-flight and personal-item rules as above.

How to Add Extra Baggage & Prices on China Southern Airlines

Buy Baggage
  1. Go to the China Southern prepaid baggage portal at extra.csair.com or navigate via csair.com.
  2. Log in with your booking reference or Sky Pearl Club membership.
  3. Select the flight and passenger for which to buy extra baggage.
  4. Choose the number of additional pieces and complete payment.
  5. Present your receipt at check-in.

Prices

Charged per additional piece. Three area zones with different rates. Overweight and oversized charges apply cumulatively. Each standard piece ≤23 kg, ≤158 cm. Higher rate applies for each piece beyond the first additional piece.

LabelAmountNotes
Area 1 — 1st additional pieceCNY 1,380 / €200 / $225 per piece
  • Area 1: China↔Americas/Africa; Americas↔Asia/Europe/Middle East; Africa↔Asia/Europe.
Area 1 — 2nd+ additional pieceCNY 2,000 / €290 / $330 per piece
  • Area 1: China↔Americas/Africa; Americas↔Asia/Europe/Middle East; Africa↔Asia/Europe.
Area 2 — 1st additional pieceCNY 1,100 / €160 / $185 per piece
  • Area 2: China↔Europe/Middle East/SW Pacific/Japan; intra-Asia/Oceania routes.
Area 2 — 2nd+ additional pieceCNY 2,000 / €290 / $330 per piece
  • Area 2: China↔Europe/Middle East/SW Pacific/Japan; intra-Asia/Oceania routes.
Area 3 — 1st additional pieceCNY 880 / $145 per piece
  • Area 3: China↔South Korea/Southeast Asia/South Asia/Central Asia; other unspecified routes.
Area 3 — 2nd+ additional pieceCNY 1,430 / $240 per piece
  • Area 3: China↔South Korea/Southeast Asia/South Asia/Central Asia; other unspecified routes.

FAQ

Can I buy extra baggage online after booking?

Yes. Use the prepaid baggage portal at extra.csair.com to purchase additional baggage before your flight.

Where do I buy extra baggage?

Online via the prepaid baggage portal at extra.csair.com, at airport check-in counters, or through China Southern ticketing offices. Hotline: 95539 (within China).

When can I buy extra baggage?

Prepaid baggage can be purchased online before check-in opens. At the airport, excess baggage can be purchased at check-in. Boarding gate purchases are also possible but at higher rates.

How does China Southern calculate extra baggage charges?

International routes use a piece-based system with 3 area zones. Extra pieces cost CNY 880–1,380 (1st piece) depending on zone. Overweight and oversized surcharges apply cumulatively. Domestic China uses weight concept at 0.6% of economy fare per kg.

Is it cheaper to buy extra baggage online vs at the airport?

Yes. Prepaid online rates are generally lower than airport rates. Boarding gate charges are the highest, with additional penalties.

How much extra baggage can I buy?

No stated maximum number of additional pieces. Each piece: max 23 kg (standard), 32 kg (business/first overweight threshold), up to 45 kg with surcharge. Max dimension 158 cm (standard), oversize surcharge for 159–203 cm.

What are the overweight and oversized baggage rules?

Overweight (23–28 kg, 28–32 kg, 32–45 kg) and oversized (159–203 cm) surcharges apply cumulatively on top of the extra piece fee. Pieces over 203 cm or 45 kg may not be accepted.

What currency will I be charged in?

Departures from Chinese mainland: CNY. Departures from Europe: EUR. All other origins: USD.

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