Formula, breast milk, toddler drinks, and baby/toddler food (to include puree pouches) in quantities greater than 3.4 ounces or 100 milliliters are allowed in carry-on baggage and do not need to fit within a quart-sized bag.
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Checked Bags: YesWater for babies is allowed in reasonable quantities in carry-on bags. Remove this item from your carry-on bag to be screened separately from the rest of your belongings. Please see traveling with children for more information. For more prohibited items, please go to the 'What Can I Bring?'
Formula, breast milk, toddler drinks, and baby/toddler food (to include puree pouches) are considered medically necessary liquids. This also applies to breast milk and formula cooling accessories, such as ice packs, freezer packs, and gel packs (regardless of presence of breast milk).
Formula, breast milk, toddler drinks, and baby/toddler food (to include puree pouches) in quantities greater than 3.4 ounces or 100 milliliters are allowed in carry-on baggage and do not need to fit within a quart-sized bag.
So you can't bring H20 or any other liquids more than 3.4 oz.(well there are some exceptions) through security, but you CAN bring an empty bottle. Just fill it up on your way to boarding your flight after screening.
If it's a short trip, pack your prepared formula in a cooler or insulated bag with lots of ice packs. This can be done with prepared powdered, concentrate, or ready-to-feed formulas. Prepared formula can be stored within a cooler bag with ice packs for as long as the temperature inside remains cold enough.
Parents/guardians should remove infants and children from strollers and car seats and carry them in their arms through the walk-through metal detector. Infants may be carried in a sling/carrier through the walk-through metal detector. Children will not be separated from their parent/guardian.
You can bring an empty reusable water bottle through TSA security. Read: It has to be empty. After your items and carry-on bag have gone through security, you can fill up your water bottle at a nearby refilling station. If you bring your full water bottle to the security checkpoint, it's not a big deal.
Formula, breast milk, toddler drinks, and baby/toddler food (to include puree pouches) in quantities greater than 3.4 ounces or 100 milliliters are allowed in carry-on baggage and do not need to fit within a quart-sized bag.
Airlines allow baby food, formula, and breast milk in a carry-on bag, but the TSA has a 3-1-1 rule for liquids, including all baby food items. Each passenger is allowed 3.4 ounces or less of liquid, gel, or aerosol products per container, and all containers must fit in one clear, quart-size bag per person.
Ice packs in a well-insulated cooler bag will typically remain cold for around 24 hours—and if the ice packs and your milk are both frozen, everything may stay cold for longer than that. But if you have flight cancelations or delays that take your travel time beyond a full day, you may need to toss your milk.
Firearms, ammunition, and fireworks are prohibited, as are all knives and safety razors (including pocket knives and Swiss Army knives). Straight razors and replacement blades for straight razors are also not allowed. Most tools also cannot be packed in carry-on luggage, as they have the potential to cause harm.