Here is How to purchase Saudi Airlines ticket online
Go to www.saudiairlines.com
Fill departure and arrival airports, Dates, Passenger numbers (Traveler more than 12 years old is Adult, between 2-12 is Child, Less than 2 years old is Infant) and click GO
Then Chose the correct dates and Click Continue. (you will get the total fare/price from here)
Chose Right Flights from the given list and click continue.
Fill your Personal Details and drag down
Fill Passport details and Drag Down
Fill Contact Number and Email Id then Click Next
You Can Select seats if required and press Continue
Chose payment method. If you have credit card you can chose Visa/ Mastercard/ American Express
if you dont hgave, then you can chose SADAD Bill, you can pay through ATM machine. within allowed time limit, which shown below. Click Continue
Here you will get the SADAD reff. number, in ATM you can use this number for payment, Once the payment done, same time you will get e-ticket via email.