Where in your bags?
How much?
Allowed
On the plane
✈ FrontierCARRY-ON
Yes - carry it on.
- 100 ml is within Frontier's 100 ml limit.
- Follow the 3-1-1 rule: containers of 3.4 oz (100 ml) or less, all in one quart-sized clear bag, one bag per passenger.
- Formula, breast milk, toddler drinks and baby food (including pouches) over 3.4 oz are allowed in carry-on bags.
Official source
🌐Frontier TSA allowed itemsLiquids rules↗To be 100% sure, we always recommend confirming with the official channels.
From Frontier's own published rules, checked October 2026. Rules change, so confirm with the airline before you fly.