Where in your bags?
How much?
Allowed
On the plane
✈ British AirwaysCARRY-ON
Yes - carry it on.
- 100 ml is within British Airways's 100 ml limit.
- Use one transparent, resealable plastic bag of up to 20 x 20 cm (about 1 litre). You must be able to close it completely.
- Baby milk, formula and baby food are allowed over the limit. Liquid medication is allowed in the amount you need, with a prescription or doctor's note.
Official source
🌐British Airways liquids and restrictionsLiquids rules↗To be 100% sure, we always recommend confirming with the official channels.
From British Airways's own published rules, checked October 2026. Rules change, so confirm with the airline before you fly.