Embassy
Embassy of the Kingdom of Saudi Arabia, Tehran
Tehran
Saudi Arabian citizens do not need a visa for Iran. Show your passport at the border and stay up to 15 days.

SAU
Saudi Arabia
IRN
Iran
No visa needed
Tourists from 27 listed countries can visit without a visa for 15 days.
Check your passport stamps
Visa or entry may be refused if the passport contains an Israeli stamp or other countries' border crossing points with Israel (see Israeli stamps). 30 days e-Visa also available.
Check your passport is valid for the whole stay, ideally six months beyond it.
Carry proof of onward travel and of funds; border officers can ask for both.
Note the maximum stay and count your days in Iran.
Check visa-free rules first, then apply if you need a visa.
How to apply
Documents required
How to apply
Documents required
How to apply
Documents required
How to apply
Documents required
For lost passports and emergencies.
Embassy
Tehran
Best time to go: Spring and autumn are relatively mild in the northwest. Southern summers are very hot, while northwestern winters bring heavy snow and freezing temperatures.

Iran is an Islamic republic in Western Asia, between the Caspian Sea and the Persian Gulf.
Going to Iran
Places close to Iran with simpler entry for you.
Saudi Arabian citizens do not need a visa for Iran. Show your passport at the border and stay up to 15 days.
Up to 15 days each visit with the no visa needed rule. Staying longer can mean a fine or a ban from coming back.
Visa or entry may be refused if the passport contains an Israeli stamp or other countries' border crossing points with Israel (see Israeli stamps). 30 days e-Visa also available.
Iranian citizens need a visa for Saudi Arabia, from its embassy or consulate.
Armenia, Azerbaijan, Bahrain, Brunei Cambodia, and 5 more can enter without applying before they travel.
Pakistan, Bangladesh, Maldives, Nepal Sri Lanka, and 3 more let saudi arabian citizens in without applying before travel.
Check your passport is valid for the whole stay, ideally six months beyond it. Carry proof of onward travel and of funds; border officers can ask for both.
Iranian rial (﷼). Carry some cash for arrival, especially if a visa fee is paid at the border.
Persian.
It ranks #54 and reaches 82 destinations without applying ahead.
Reviewed by @snuck