Sichuan Airlines runs two different baggage systems under one name. Fly inside China and the sichuan airlines baggage limit is a straight weight allowance in kilograms. Fly internationally, including the route to Los Angeles, and the same airline switches to a piece count instead.
Missing that switch is the easiest way to misjudge what you can check for free.
Domestic China: a weight based allowance
On domestic flights, economy passengers get 20 kg of free checked baggage. Business class gets 30 kg. Both are tracked as a total weight, not a piece count.
A single checked bag can weigh up to 50 kg. It must not exceed 40 by 60 by 100 cm, or 16 by 24 by 39 inches, per the airline’s own checked baggage page.
Go over the free allowance and Sichuan Airlines bills 1.5 percent of the one way economy fare for every extra kilogram. That fee scales with your ticket price, so a pricier route punishes an overweight bag harder than a cheap one does.
International and US routes: a piece based allowance
Cross a border and the sichuan airlines baggage limit changes shape entirely, including flights to and from the United States. Economy Standard gets one free checked piece at up to 23 kg. Economy Plus gets two pieces at up to 23 kg each.
Business class gets two pieces at up to 32 kg each. Every piece is capped at 158 cm for combined length, width, and height.
Bags between 158 and 300 cm combined still fly as baggage, but Sichuan Airlines adds a 1,000 RMB oversize surcharge. Past 300 cm the airline stops treating it as luggage and routes it through cargo instead.
Carry-on baggage: size and weight
The published cabin bag limit is 20 by 40 by 55 cm and 8 kg per piece. That is worth flagging because a commonly repeated figure for Chinese domestic carriers is 5 kg.
That lower number traces back to a general industry guideline, not to what Sichuan Airlines actually publishes for its own flights. Its site does not spell out a separate personal item allowance next to the cabin bag.
Plan around one main carry-on piece and confirm anything extra at check in.
What Chinese carrier enforcement actually looks like
Community accounts describe weight checks on domestic Chinese flights as inconsistent at best. One frequent flyer summed up the gate reality bluntly: a carry-on bag almost never gets put on a scale, and the written weight limit goes largely unenforced.
The catch travelers report instead is dimensional, not numerical. Bags that meet every published size rule still get pulled and gate checked once the overhead bins fill up, which happens often on the smaller narrowbody jets common on domestic China routes.
US specific rules
Sichuan Airlines states that flights touching the United States follow American law and regulation. Its own baggage restrictions page cites service animal rules tied to the Department of Transportation as one example.
The baggage allowance itself still runs on the international piece based schedule above. There is no separate US only weight or piece chart.
Anyone flying Chengdu to Los Angeles should pack to the international figures either direction, not the domestic ones.
How Sichuan Airlines compares to other Chinese carriers
The domestic weight allowance sits close to what Air China and China Eastern publish for their own domestic networks. China Southern and Hainan Airlines run a similar split too.
Weight based at home, piece based abroad looks like a Chinese carrier norm, not a quirk unique to the sichuan airlines baggage limit.
Run your own bag through the baggage cost tool before you fly. Check the general carry-on size page too if you are connecting onto a different airline.
The bottom line
The sichuan airlines baggage limit is really two limits stitched together. Kilograms and a total weight cap apply inside China. Pieces and a per bag cap apply everywhere else, US routes included.
Pack for the leg you are actually flying, not the one you assumed applied. Treat the carry-on weight rule as advisory, since a gate scale is unlikely to catch it.
Our own luggage and packing guides cover the rest of what to bring.
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