Do I have to declare duty-free liquids in a sealed security bag at South Korea customs?

No — within the allowance it passes without a declaration.

What happens if I do not declare duty-free liquids in a sealed security bag in South Korea?

Under 관세법 제81조제1항제1호, if you declare the excess yourself: a flat-rate charge is applied to the excess. Under 관세법 제282조제2항, if the goods are found without being declared: the goods are confiscated. Under 관세법 제241조제5항제1호: the normal duty becomes payable on the excess; an administrative fine is imposed.

Can I post or ship duty-free liquids in a sealed security bag to South Korea instead of carrying it?

Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you travels under the same allowance.

Can I take duty-free liquids in a sealed security bag out of South Korea?

South Korea publishes no separate rule for taking duty-free liquids in a sealed security bag out; the destination's rules are what will apply.

Does the South Korea limit for duty-free liquids in a sealed security bag apply per person or per family?

Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.

Where does this rule come from?

관세청 (Korea Customs Service) states it in 보안검색 (종합) 휴대반입 제한물품 안내. CarryRules last confirmed that sentence at the source on 2026-09-19.

How does South Korea compare with other countries on duty-free liquids in a sealed security bag?

Of the 20 countries covered here, 0 prohibit duty-free liquids in a sealed security bag, 4 limit it and 16 let it through. South Korea is among the more permissive.

How much Duty-free liquids in a sealed security bag can I bring into South Korea?

Allowed

You can bring Duty-free liquids in a sealed security bag into South Korea without a special limit.

Cabin baggage —

Checked baggage —

Declaration Not required

Limit No stated quantity

What you need to know

No stated quantity
Channels: Carried with the traveler

On the plane

Airline differences

Airline	Difference from the baseline
AJet	Stricter than the standard rule
Singapore Airlines	Stricter than the standard rule

Important

This allowance applies per person, not per family or group.

Official sources

Last verified 2026-09-19

보안검색 (종합) 휴대반입 제한물품 안내 Incheon International Airport Corporation

Questions about Duty-free liquids in a sealed security bag in South Korea

Do I have to declare duty-free liquids in a sealed security bag at South Korea customs?: No — within the allowance it passes without a declaration.
What happens if I do not declare duty-free liquids in a sealed security bag in South Korea?: Under 관세법 제81조제1항제1호, if you declare the excess yourself: a flat-rate charge is applied to the excess. Under 관세법 제282조제2항, if the goods are found without being declared: the goods are confiscated. Under 관세법 제241조제5항제1호: the normal duty becomes payable on the excess; an administrative fine is imposed.
Can I post or ship duty-free liquids in a sealed security bag to South Korea instead of carrying it?: Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you travels under the same allowance.
Can I take duty-free liquids in a sealed security bag out of South Korea?: South Korea publishes no separate rule for taking duty-free liquids in a sealed security bag out; the destination's rules are what will apply.
Does the South Korea limit for duty-free liquids in a sealed security bag apply per person or per family?: Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.
Where does this rule come from?: 관세청 (Korea Customs Service) states it in 보안검색 (종합) 휴대반입 제한물품 안내. CarryRules last confirmed that sentence at the source on 2026-09-19.
How does South Korea compare with other countries on duty-free liquids in a sealed security bag?: Of the 20 countries covered here, 0 prohibit duty-free liquids in a sealed security bag, 4 limit it and 16 let it through. South Korea is among the more permissive.

Related items

Accompanied cash Accompanying goods, non-commercial (flat-rate band) Agricultural/forestry/fishery/livestock products (general sub-cap) Alcohol and alcoholic beverages above 22% vol (or undenatured ethyl alcohol 80% vol and over)

Related countries

Australia Canada China France

Other items in this group

Cargo liquids in checked baggage (Zamzam water, edible oil, liquid food) Liquids, aerosols and gels (LAGs) Medicine and baby food/milk liquids exempted from the LAG limit Perfume and toilet water Skincare and make-up products