You must present proof that you had a negative PCR test not more than 72 hours prior to your flight. Mandatory quarantine lasts 14 days and must be at a state approved hotel. The cheapest 14 days government approved quarantine package is US$ 960/-
A large number of countries in Europe and around the world have put in place UK travel bans so it is important to check with an embassy or the airline for the most current information.
It is unclear when the kingdom will be open to foreigners. Saudi citizens were excited about the prospect of traveling again.