Buy Extra Baggage
Updated Apr 25, 2026
Steps
- Go to the China Southern prepaid baggage portal at extra.csair.com or navigate via csair.com.
- Log in with your booking reference or Sky Pearl Club membership.
- Select the flight and passenger for which to buy extra baggage.
- Choose the number of additional pieces and complete payment.
- Present your receipt at check-in.
Prices
Excess checked baggage — international routes (piece concept)
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.
| Label | Amount | Notes |
|---|---|---|
| Area 1 — 1st additional piece | CNY 1,380 / €200 / $225 per piece |
|
| Area 1 — 2nd+ additional piece | CNY 2,000 / €290 / $330 per piece |
|
| Area 2 — 1st additional piece | CNY 1,100 / €160 / $185 per piece |
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| Area 2 — 2nd+ additional piece | CNY 2,000 / €290 / $330 per piece |
|
| Area 3 — 1st additional piece | CNY 880 / $145 per piece |
|
| Area 3 — 2nd+ additional piece | CNY 1,430 / $240 per piece |
|
Overweight baggage charges
Charged per piece in addition to the extra piece fee. Applies cumulatively with oversize charges if applicable.
| Label | Amount | Notes |
|---|---|---|
| 23–28 kg overweight | CNY 390–500 / €75 / $65–85 |
|
| 28–32 kg overweight | CNY 910–1,010 / €145 / $155–170 |
|
| 32–45 kg overweight | CNY 3,000 / €435 / $495 |
|
Oversized baggage charges (159–203 cm)
Charged per piece in addition to extra piece and overweight fees if both apply.
| Label | Amount | Notes |
|---|---|---|
| Oversize surcharge (159–203 cm) | CNY 1,000 / €145–170 / $165–170 |
|
Domestic routes and purchase timing
Domestic China uses weight concept. Prepaid available online; airport excess at standard rates.
| Label | Amount | Notes |
|---|---|---|
| Domestic China — excess per kg | 0.6% of full economy one-way fare per kg |
|
| Prepaid baggage online | See official pricing |
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| Airport / boarding gate purchase | See official pricing |
|
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.