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Smart Travel Guide: Airport Rules & Tips at Singapore Changi Airport

Flying through Singapore Changi Airport? This quick guide gives you all you need to know about airport rules, security, and helpful travel tips—so you can breeze through stress-free.
🧳 Key Airport & Baggage Rules
Carry-on:
- Max 7 kg and 115 cm (L+W+H) – check with your airline
- Liquids, aerosols, and gels must be in containers ≤100ml, inside a 1-litre clear resealable bag
- Only 1 bag per person, shown at security
- Checked baggage:
- Usually 20–30 kg (varies by airline)
- No lithium batteries, vapes, or flammable items
- Prohibited items (carry-on & checked):
- Sharp objects, tools, firearms, fireworks, strong chemicals
💡 Changi-Specific Rules & Advice
Security Screening:
- T1–T3: At the boarding gate
- T4: Centralised after immigration
Remove electronics and liquids from bags unless told otherwise
Duty-free liquids:
- Buy after security; must be sealed in a STEB bag with receipt visible
- For US/Australia flights, buy at least 90 mins before boarding
Restricted items in Singapore:
- Vapes/e-cigarettes: Completely banned
- Chewing gum for resale: Prohibited
- Large powders (>350ml): Not allowed in cabin on US-bound flights
✈️ In-Flight & Packing Tips
Switch devices to flight mode
- Stay hydrated and stretch on long flights
- Use headphones and be considerate of others
- Bring essential items in hand luggage: power bank (must be carry-on), toiletries, documents
- Use the Changi App for flight updates, maps & deals
Changi Airport is efficient and traveller-friendly—but you still need to follow the rules. Pack smart, arrive early, and stay informed. Happy travels!
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