Zvartnots, being the biggest and most modern is the main airport. So when flying to Armenia, chances are that you are going to land at the best airport in CIS countries.
You can travel to Armenia by bus from Tbilisi, Georgia; Istanbul, Turkey and Tehran, Iran. Contact Central Bus Station for ticket prices and schedules. It is located at 6 Admiral Isakov Avenue. You can reach them at +374 10 565 370.
For Intercity bus schedules and prices click here.