Air As a result of the Open Skies Policy, numerous airlines have added services to Cambodia, with direct flights to Phnom Penh and Siem Reap. It is also possible to fly between the major towns within Cambodia.
Getting Around: Laos is a mountainous country with no railway and few good roads. With the Mekong River being such a prominent topographical feature it is not surprising that it plays a significant role in communications and life.
AIR: If you intend to visit only a few cities in Vietnam, which flying is the most convenient way to travel. Vietnam Airlines flies to places like Phu Quoc Island and Rach Gia that are difficult to reach by other means.