To avoid Saudi VISA, I recommend to travel by Air (Flydubai) will cost around QAR 570/- (both way). If need to get the VISA on arrival fee to be reduced that QAR 300/- (which Dubai charge you), go to Abu Dhabi from Doha and from Abu Dhabi go by car to Dubai !!
qnqonweb said it rightly.
To avoid Saudi VISA, I recommend to travel by Air (Flydubai) will cost around QAR 570/- (both way). If need to get the VISA on arrival fee to be reduced that QAR 300/- (which Dubai charge you), go to Abu Dhabi from Doha and from Abu Dhabi go by car to Dubai !!
Good luck...God bless you !!