Sure! Tabuk, Riyadh, and Jeddah are delightful places to visit in Saudi Arabia. They offer varied experiences, from sand dunes to sleek high-rise buildings to beautiful coastlines. Here are some travel tips for your itinerary:

Best Time to Visit:
The best time to visit Saudi Arabia, including Tabuk, Riyadh, and Jeddah, is during the months of November to March when the weather is cooler and more comfortable.

Route and Accessibility:
There are international airports in each of the cities - King Fahd International Airport in Riyadh, King Abdulaziz International Airport in Jeddah, and Tabuk Regional Airport in Tabuk. Domestic flights or inter-city coach services are available for travel between them.

Altitude and Acclimatization:
While Riyadh and Tabuk are inland, they are not at extreme altitudes, so you won't typically have to worry about acclimatization. Jeddah is a coastal city.

Accommodation and Booking:
Hotels range from luxury resorts to budget accommodations in all three cities. It's recommended to book these in advance, especially during the peak travel season and religious festivals.

Clothing and Essentials:
Saudi Arabia observes Islamic customs and dress codes. Men and women should dress modestly, covering shoulders and knees, and women should ideally cover their heads too. Don't forget to pack sunscreen and a hat to protect against sun.

Health and Safety:
Saudi Arabia has modern healthcare facilities. However, it's recommended to have travel insurance. Tap water is generally safe to drink, but bottled water is easily available. The country is considered safe, but common travel precautions should be taken.

Local Etiquette and Respect:
Saudi Arabia has a conservative culture. Respect local customs, traditions, and religious sentiments. Alcohol is forbidden in Saudi Arabia. Friday is the Islamic holy day, so many shops and services are closed or have reduced hours. During Ramadan, eating, drinking, and smoking in public during daylight hours is prohibited.