Multi-leg airline itinerary across regions
Connecting through 3+ countries on a single trip: visa requirements, lithium-battery handling across multiple carriers, customs interactions at each transit.
Checklist
- 01
Build the itinerary by airline + airport pairs. Each transit airport's customs / immigration rules apply.
- 02
Visa: sterile transit (no immigration) is available at major hubs (DOH, DXB, ICN, SIN); some itineraries trigger transit visa requirements (USA via LAX even for non-entering passengers).
- 03
Lithium batteries: each segment carrier's rule applies. Always carry power banks in carry-on; check each airline's Wh limit.
- 04
Liquids: 100ml carry-on rule applies on every segment unless purchased duty-free with tamper-evident bag (STEB) intact.
- 05
Connection time: minimum 2 hours international-to-international, 75 min international-to-domestic. Allow extra at JFK / LAX / LHR T2/T3.