Two international airports in Cambodia, located in the cities of Siamriap (also written as Siam Riyap or Siem Reap) and Phnom Penh (the capital of Cambodia), take direct flights from Vietnamese Ho Chi Minh City. Flights are operated by Cambodia Angkor Air. Travel time from Ho Chi Minh City to Phnom Penh - 45 minutes, to Siamriap - 1 hour.