United States airport liquid rules 2026 (TSA): the 100ml limit for liquids in hand luggage
Can I take liquids over 100 ml through security at US airports? No. 3.4 oz (100 ml) or less per item, in one quart-sized bag. 100 ml
No: at US airports the 100ml rule still applies to liquids in hand luggage, as the official page quoted below says: 3.4 oz (100 ml) or less per item, in one quart-sized bag.
Official source: TSA – Liquids, Aerosols, and Gels Rule · checked on 10 October 2026 (the site blocks simple automated requests or needs JavaScript, so we read it in a browser)
Rules can differ by terminal, checkpoint or lane and can change at short notice. We quote the airport's official page on the date shown. Check with the airport (and your airline) before you pack, and check the airport you fly home from: it may still have the 100 ml limit.
100ml rule at United States (all airports, TSA): what the official page says
You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes in your carry-on bag and through the checkpoint. These are limited to travel-sized containers that are 3.4 ounces (100 milliliters) or less per item.
Pack items that are in containers larger than 3.4 ounces or 100 milliliters in checked baggage.
Official source: TSA – Liquids, Aerosols, and Gels Rule · checked on 10 October 2026 (the site blocks simple automated requests or needs JavaScript, so we read it in a browser)
Liquids in hand luggage at United States (all airports, TSA): exceptions and other details (official)
Liquids more than 3.4 oz or 100 ml not in a secure, tamper-evident bag must be packed in checked baggage.
Questions about liquids at United States (all airports, TSA): 100ml rule, bags, scanners, baby food, duty-free
Quotations are word for word from the official pages named; the plain-text answers are ours and come only from the rule and summary shown at the top of this page. Where the passages we quote do not say, we say so.
Can I take liquids over 100ml through security at US airports?
No. 3.4 oz (100 ml) or less per item, in one quart-sized bag.
You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes in your carry-on bag and through the checkpoint. These are limited to travel-sized containers that are 3.4 ounces (100 milliliters) or less per item.
Pack items that are in containers larger than 3.4 ounces or 100 milliliters in checked baggage.
Do liquids have to go in a plastic bag at US airports, and how big can it be?
You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes in your carry-on bag and through the checkpoint. These are limited to travel-sized containers that are 3.4 ounces (100 milliliters) or less per item.
Can I carry duty-free liquids over 100ml through US airports?
Liquids more than 3.4 oz or 100 ml not in a secure, tamper-evident bag must be packed in checked baggage.
Does US airports have the new CT scanners, and can liquids stay in my bag?
The passages we quote from the official page do not say whether United States (all airports, TSA) uses CT scanners or whether liquids can stay in your bag: follow the signs and the staff at the checkpoint.
Can I take baby food and medicines over 100ml through security at US airports?
The passages we quote from the official page do not list exemptions for baby food or medicines. Check with the airport and your airline before you pack.
What are the liquid rules at US airports in 2026, and are they changing?
As of 10 October 2026, the official page says: No. 3.4 oz (100 ml) or less per item, in one quart-sized bag. Rules can change at short notice and the airport's page is our only source, so check it again before you fly.
Official source: TSA – Liquids, Aerosols, and Gels Rule · checked on 10 October 2026 (the site blocks simple automated requests or needs JavaScript, so we read it in a browser)
Flying back?
The UK government's advice is to check the rules “at the airport you’re flying from” and “at any other airports you’ll be travelling through, including your return journey” (GOV.UK, hand luggage restrictions). See the liquids rules at 63 airports.
Cabin bag size for your airline
How big can your hand luggage be? See the cabin bag size by airline (28 airlines, from their official pages) or check if your bag fits.
Medicines, baby food and duty-free
Exemptions are set out on the official page linked above. For UK airports, GOV.UK lists them on its hand luggage restrictions page; for EU airports, see Your Europe.
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