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Can you take insect repellent on a plane?

In Japan insect repellent is allowed in carry-on and checked bags, with conditions. Carry-on: Yes. Insect repellent and bite or itch medicine, liquid or spray: 0.5 litres or 0.5kg per container, 2 litres or 2kg per person, with spray valves capped. On international flights carry-on containers must be 100ml or less. Checked baggage: Yes, within the same limits.

Updated

Yes, within limitsCarry-on in Japan
ConditionsChecked bag in Japan
7countries compared

Carry-on: conditionsChecked bag: conditions

Insect repellent on flights in and from Japan

On a domestic flight only the quantity limits apply. On an international flight the liquid rule comes on top.

Insect repellent and bite cream: carry-on and checked baggage in Japan
WhereAllowed?What applies
In the cabinYes, within limitsYes. Insect repellent and bite or itch medicine, liquid or spray: 0.5 litres or 0.5kg per container, 2 litres or 2kg per person, with spray valves capped. On international flights carry-on containers must be 100ml or less.
In checked baggageConditionsYes, within the same limits.
Domestic flights in Japan
The 100ml liquid limit does not apply.
International flights from Japan
Each container 100ml or less, all of them inside one transparent re-sealable bag of 1 litre or less, one bag per person.
Narita AirportNarita's FAQ says insect repellent sprays that are applied directly to the skin can go in checked baggage.Narita International Airport FAQ

Repellent for skin, sprays for rooms and bite cream

The same word covers a lotion for your arm and a can for the room. The lists split them, and the answers are opposite.

Insecticide is a separate row, and it is banned
Japan's main list keeps repellent (虫よけ) in the medicines table, but it lists insecticide (殺虫剤) and smoke-type insecticide as rows of their own, both marked not allowed in the cabin or in checked baggage. Narita Airport's FAQ states the reason: any kind of insecticide, which contains toxic substances, is prohibited in carry-on baggage and checked baggage.
Bite and itch sprays are named with products for the skin
The Japanese version of the liquids list names bite and itch medicine, liquid or spray, in its group of gas-propelled sprays for cosmetics and quasi-drugs applied directly to the skin, and again under pump sprays. Both may go in carry-on on international flights in containers of 100 ml or less. The neighbouring group, aerosols for sporting and daily use, is not permitted in the cabin at all.
Gas-cartridge mosquito repellers are a fuel item
CASA lists Thermacell mosquito repellers, and similar camping lanterns containing gas cartridges, as items not permitted. The entry sits in its group for fuel containers and camping stoves and covers cylinders of butane, propane, methane and other flammable gases. CASA marks insecticide as not permitted too. A repellent device of that kind is judged as fuel, apart from a lotion or a skin spray.

Insect repellent: the rule country by country

The carry-on answer for insect repellent is the same in all 6 other places we checked. The limits themselves are not identical, so read the row for the country you fly from.

Insect repellent and bite cream: carry-on and checked baggage rules by country
Flying fromCarry-onChecked bagWhat the authority says
JapanCivil Aviation BureauWith limitsWith limitsInsect repellent and bite or itch medicine, liquid or spray: 0.5 litres or 0.5kg per container, 2 litres or 2kg per person, with spray valves capped. Source
United StatesTSAWith limitsWith limitsOnly repellents applied to the skin are accepted, not air or insect sprays. Carry-on: 3.4oz/100 ml or less. Checked: max 2 kg (70 ounces) or 2 L (68 fluid ounces) per person, 0.5 kg (18 ounces) or 500 ml (17 fluid ounces) per container.TSA entry: Bug Repellent Source
European UnionEuropean Commission, EASAWith limits—Aerosols, lotions and pastes count as liquids. Hand luggage: 100 ml per container, all in one re-sealable one-litre bag. Source
United KingdomUK GovernmentWith limitsYesSprays and creams count as liquids. Hand luggage: 100ml per container at most airports, up to 2 litres at some. Source
TaiwanCivil Aviation AdministrationWith limits—Insect repellent and bite cream count as liquids, gels or sprays. International flights only: 100 ml per carry-on container, in one resealable 1 litre bag. Source
Hong KongCivil Aviation DepartmentWith limitsWith limitsMedicinal and toiletry articles, aerosols included, may go in carry-on (under the cabin liquid rule) and checked baggage within quantity limits. Flammable or toxic household aerosols not applied to the body are forbidden. Source
AustraliaHome Affairs, CASAWith limitsWith limitsInsect repellent applied to the body: 0.5 kg or 0.5 L per item and 2 kg or 2 L in total per person, carry-on and checked. Household bug spray with a flammable gas label is not permitted. International carry-on: 100 mL or 100 g max.CASA Pack Right entry: Insect repellent, fly spray, bug spray applied to the body. (E.g. - Aerogard), Household aerosols not being used for toiletry, medical or sporting uses Source

Each row comes from that authority's own page. Airlines can be stricter, and the screening officer has the final say.

If security in Japan will not let insect repellent through

What to do
Move insect repellent to the bag you check in before you reach security, within the checked-baggage limits above. Narita Airport states that anything given up at the checkpoint is discarded and cannot be returned.

Buying insect repellent in Japan

Where to buy
Drugstores, in summer.

Frequently asked questions

Can you take insect repellent on a plane?

On flights in and from Japan: Yes. Insect repellent and bite or itch medicine, liquid or spray: 0.5 litres or 0.5kg per container, 2 litres or 2kg per person, with spray valves capped. On international flights carry-on containers must be 100ml or less. In checked baggage: Yes, within the same limits.

Is room bug spray treated the same as insect repellent on a plane?

No. Hong Kong's CAD forbids flammable or toxic aerosols that are not for medicinal or toiletry purposes, with insecticide as its example of a household item not applied to the body. The TSA's Bug Repellent entry says sprays meant for the air or the insect are not permitted in carry-on or checked baggage; its Aerosol Insecticide entry allows a checked can only when it is not labelled as hazardous material.

Does cream for mosquito bites count as a liquid in carry-on?

Yes, on international flights. Japan's liquids list has a Creams, Lotions row whose first example is ointment, and the Japanese version of that row adds first-aid salves and medicated creams. A tube of bite cream therefore follows the 100 ml container rule and goes in the transparent bag. The main list's own row for bite and itch medicine names liquid and spray forms only.

Does the TSA allow insect repellent in carry-on bags?

Only repellents applied to the skin are accepted, not air or insect sprays. Carry-on: 3.4oz/100 ml or less. Checked: max 2 kg (70 ounces) or 2 L (68 fluid ounces) per person, 0.5 kg (18 ounces) or 500 ml (17 fluid ounces) per container.

Can you put insect repellent in checked luggage?

Yes, within the same limits.

What is the rule for insect repellent on flights from Australia?

Australia: Insect repellent applied to the body: 0.5 kg or 0.5 L per item and 2 kg or 2 L in total per person, carry-on and checked. Household bug spray with a flammable gas label is not permitted. International carry-on: 100 mL or 100 g max.

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Compiled by Japan Japan !! · Updated October 2, 2026