At a glance (carry-on, international flights)
100 ml or less eachIt is the container size that counts β a larger container is not allowed even if partly empty
One clear 1-liter bagResealable; about 40 cm in total height + width
One bag per personTake it out at security
ExceptionsMedicines and baby food in the amounts needed on board (declare them)
PR Example travel bottles (Japanese online stores)
θ²ε° γ½γγγγγ« 60ml (Amazon.co.jp)
capacity 60ml, 1 bottle, polyethylene and polypropylene.
capacity 60ml, 1 bottle, polyethylene and polypropylene.
γγ©γγ«γγγ« 30ml 50ml 100ml ιΈγΉγ3γ΅γ€γΊ 5εγ»γγ (Rakuten Ichiba)
a set of 5 bottles; choose from 30ml, 50ml or 100ml.
a set of 5 bottles; choose from 30ml, 50ml or 100ml.
- Liquids carried on board (including gels and sprays) must be in containers of 100ml (3.4 oz) or less each. A container over 100ml cannot be carried even if it is only part-filled
- Place the containers in a transparent re-sealable plastic bag with a capacity not exceeding 1 liter (a total length and breadth within approximately 40cm, e.g. 20cm x 20cm). Only one bag per passenger
- Medicines and special dietary foods are exempt in the amount needed on board. Baby milk and baby food are exempt only when traveling with an infant. Declare them at security screening
- These rules do not apply to checked baggage
- Alcohol etc. bought at duty-free shops after security can be carried on board, but it may be confiscated under the rules of a country where you transfer
Sources (2)
Source: MLIT Civil Aviation Bureau: "Security Control for Screening Liquids, Aerosols and Gels (LAGs) carried into International Passenger Flights departing from Airports in Japan" (English version) (retrieved 2026-09-27)
Source: MLIT: "List and Description of LAGs Restriction" (English version of the list of liquids, 2015) (retrieved 2026-09-27)
| Item | Rule |
|---|---|
| Cosmetics and medicines (containing alcohol, sprays, etc.) | 0.5L (kg) or less per container, 2L (kg) or less in total per person. Protect spray nozzles with a cap etc. |
| Household spray cans | Only those that use no flammable or toxic gas, within the same quantity together with the above. Cans labeled "Keep away from fire and high temperatures" use flammable gas. Bear, pepper and tear-gas sprays are not allowed. Paint, tire-repair sprays, air dusters, etc. are also not allowed (list of liquids) |
| Alcohol (24% or less) | No quantity limit as dangerous goods (in the retail container) |
| Alcohol (over 24% up to 70%) | Up to 5L per person (in the retail container; not allowed if transferred into a flask etc.) |
| Alcohol (over 70%) | Not allowed in carry-on or checked baggage |
| Lighters and matches | One small one, carried on your person on board. Not allowed in checked baggage. Oil tank lighters without absorbent and strike-anywhere matches are not allowed |
| Bleach, mold removers, and detergents labeled "chlorine-based" or "do not mix" | Not allowed in carry-on or checked baggage |
Source
Source: MLIT: "Examples of Dangerous Goods by Air Transportation" (English version, last updated April 24, 2026) (retrieved 2026-09-27)
- On international flights, household sprays such as waterproofing sprays cannot be carried on board; checked baggage only (MLIT's list of liquids).
- Rules of other countries' authorities may also apply.
- On return flights, follow the rules of that country's airport.
Handy to have before you go
PR Example luggage scale (Japanese online stores)
Weigh your bags before heading to the airport
γγͺγγγ― γ©γ²γγΈγΉγ±γΌγ« LS-110SV (Amazon.co.jp)
weight limit 50,000 grams, reading accuracy 50 grams, one CR2032 lithium battery (for testing).
weight limit 50,000 grams, reading accuracy 50 grams, one CR2032 lithium battery (for testing).
γ©γ²γγΈγΉγ±γΌγ« ζ倧50kg γγΈγΏγ«γΉγ±γΌγ« εγδΈγεΌ (Rakuten Ichiba)
weighs up to 50kg in 10g steps; one CR2032 battery in the package.
weighs up to 50kg in 10g steps; one CR2032 battery in the package.