Liquid rules: Miami (MIA) to London Heathrow (LHR)
Leaving from MIA: has no verified rule yet. For return / onward travel via LHR: has no verified rule yet.
Rules differ at each airport and at the destination border — read the breakdown below.
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Miami (MIA) — no verified rule yet; guidance pending source review.
- Max container
- Not confirmed — pack 100ml
- Bag rule
- Unknown
- Clear bag
- Unknown
- Confidence
- unknown
MIA: under review — TSA's current allowance is awaiting source review and we haven't confirmed it yet; this is not a confirmed allowance. Pack to the 100ml fallback until confirmed. Official source: https://www.tsa.gov/travel/security-screening/liquids-aerosols-gels-rule
Miami airport page →London Heathrow (LHR) — no verified rule yet; guidance pending source review.
- Max container
- Not confirmed — pack 100ml
- Bag rule
- Unknown
- Clear bag
- Unknown
- Confidence
- unknown
LHR: under review — Heathrow Airport's current allowance is awaiting source review and we haven't confirmed it yet; this is not a confirmed allowance. Pack to the 100ml fallback until confirmed. Official source: https://www.heathrow.com/at-the-airport/security-and-baggage/hand-baggage-and-liquids
London Heathrow airport page →We don't yet have a verified rule for London. Conservative packing fallback: containers of 100ml or less, all in one clear resealable bag of up to 1 litre, ready to take out at security.
One airport's rule is unverified. Conservative packing fallback: containers of 100ml (3.4oz) or less in one clear quart-sized resealable bag, ready to take out at security. US airports (TSA 3-1-1) require a clear quart-sized resealable bag; the other airport's own bag rule is shown on its card. Confirm locally before travel. MIA: bag handling unverified; Conservative packing fallback: containers of 100ml (3.4oz) or less, all in one clear quart-sized resealable bag, ready to take out at security. LHR: bag handling unverified; Conservative packing fallback: containers of 100ml or less, all in one clear resealable bag of up to 1 litre, ready to take out at security.
- Duty-free liquids in sealed STEB bags with the receipt.
- Essential medicines — declare at security.
- Baby food and baby milk for travelling infants.
- Special dietary needs may be considered case-by-case.
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LiquidLimits.com is a travel planning tool, not an official airport or government source. Rules can change between trips and between terminals. Always check the official airport or aviation security guidance before you travel, and when in doubt pack to the stricter 100ml cabin-bag rule.