Can I bring a full-size bottle of essential oil in my carry-on?

Only if the bottle is 3.4 oz (100 mL) or smaller. Larger bottles need to go in checked luggage, where there's no size limit.

Do essential oils need to go in the quart-size liquids bag?

Yes — since they're a liquid, travel-size essential oil bottles must be packed in your one-quart clear liquids bag along with your other carry-on liquids.

Essential Oils

Essential oils are liquids under TSA rules, so bottles must be 3.4 oz or less in carry-on; larger bottles are fine in checked bags.

Carry-on

Allowed with conditions

Checked

Allowed

Carry-on details

Allowed with conditions. Essential oils are liquids, so each bottle in your carry-on must be 3.4 oz (100 mL) or less and fit in your one-quart liquids bag with your other liquids.

Checked-bag details

Allowed. There's no size restriction on essential oil bottles in checked baggage. Since most essential oils are flammable in bulk quantities, pack them tightly capped and cushioned to avoid leaks or breakage.

Quantity limit

3.4 oz (per container)

Special instructions

Seal bottles well and pack in a sealed bag — essential oils have strong scents that can permeate luggage and other items if they leak.

Related rules

The 3-1-1 Liquids Rule

FAQ

Can I bring a full-size bottle of essential oil in my carry-on?: Only if the bottle is 3.4 oz (100 mL) or smaller. Larger bottles need to go in checked luggage, where there's no size limit.
Do essential oils need to go in the quart-size liquids bag?: Yes — since they're a liquid, travel-size essential oil bottles must be packed in your one-quart clear liquids bag along with your other carry-on liquids.

Related items

Sources: TSA — What Can I Bring?, FAA — PackSafe (Hazardous Materials) · Last verified: 2026-07-31

Final decision rests with the security officer at the checkpoint.