Flight tickets: One way or return flight tickets to their destination of choice and their airline of choice
Pay for accomodation: at Hotel, AirBnb etc.
Passport Cover: In their favourite colour i.e I bought one in my favourite colour (purple)
Toilet bag: To keep their sponge, soap, toothbrush, tooth paste
Travelling Bag
Boxes: To store their luggage which could be carry on or checked in.

Money to purchase travel items/for travelling expenses
Travel Affirmation cards
Neck Pillow: To help relieve and support tense muscles in the neck and shoulder.
Perfume atomiser refillable: To store smaller quantities of their perfume.
Travel Bottles: for ease of storing smaller quantities of items they need like cream, soap etc.
Packing cubes: To help keep clothes wrinkle free and compress them to save space in the box.
Shoe bag: To store their shoe(s)
Luggage scale: To help check the weight of the luggage.
Globe
Map
Travel journal: to document their travels.

Postcards
Pay part of fully for a tour package
Pay for one or more of the tours on the trip like: snorkelling, paragliding, parasailing Cooking classes etc.
Hiking Gear: such as backpack, first aid, compass,booths, thick clothes, rain coat
Tent for Camping and or Glamping
Branded travel items like on T shirts, phone case, stationeries, hat,shoe,sweatshirt,jacket, throw pillow etc
Travel images, picture of an airplane, a tour activity etc. on a birthday cake if its the persons birthday
Travel gears for a travel content creator such as: tripod, gimbal, ring light, camera, phone
Universal Travel Adapter:The advantage of a travel adapter is that you can use it to connect any electronic device with a plug to an outlet in another country.


All these are great gifts that any traveller would appreciate. Noise-cancelling headphones or earplugs are also great!
🥰🥰..love your suggestions, thanks for sharing