HRG Kenya provides a useful checklist that will help you leave well prepared and have peace of mind as you travel.

Valid passport & Visa(s)
Valid Air Ticket
Cash & Credit/ ATM card(s)
Send yourself (via e-mail), a scanned copy of your passport (helps a lot in case of an emergency)
Check expiration dates on Passport, Driver's License, Credit Cards
Health Documents i.e. vaccination and medication
Travel Insurance Information
Reserved Itineraries
Hotel Contact Information
Airline & Hotel Loyalty Membership Card(s) frequent flyer cards
Transportation tickets i.e. car hire, bus, train
Emergency Information
Phrase book, Guide books and maps
Language guide
Baggage allowances
Foreign currency
Special services offered by airlines e.g. to children, people with disabilities, pets
Business cards
Check destination's weather forecast
Goods prohibited in the carry-on luggage

Find out more at CheckMyTrip