Global

A handful of rules apply no matter which country you're flying to or through — not local custom, just the baseline expected of every passenger.

6 rules.

Never smoke on a commercial flight

Split the bill unless someone offers to pay

Restaurant tipping percentage varies sharply by country

How Many Cheek Kisses, and Which Side First?

Tip 15–20% for massage, salon, and spa services

Tip hotel housekeeping $2–5 per night, left daily