London Heathrow Terminal 4 — liquid rules
Airlines: SkyTeam carriers (Air France, KLM, Korean Air, Saudia, Etihad — some), Qatar Airways, Malaysia Airlines
Standard 100ml rule applies. T4 typically has the shortest security queues at Heathrow — useful if you have a choice of carrier for the same route.
Rule basis: Terminal 4 hosts most SkyTeam carriers plus a handful of other long-haul operators. It's the quietest of the Heathrow terminals.
Liquid Limits is a travel planning tool, not an official aviation source. Always confirm with the airport before you travel.
Security at this terminal
Standard 100ml rule applies. T4 typically has the shortest security queues at Heathrow — useful if you have a choice of carrier for the same route.
FAQs
What's the liquid rule at Heathrow Terminal 4?
The standard 100ml-container rule applies. Each liquid, gel or paste must be in a container of 100ml or smaller, all fitting inside a single 1-litre clear plastic bag.
Why is T4 so much quicker through security?
Lower flight volume. T4 handles about half the passengers of T5 and T3.