Royal Khmer Airlines - A budget airline that travels around many parts of Asia, with its headquarters in Cambodia. - http://www.royalkhmerairlines.com
President Airlines - With flights connecting Phnom Penh to Siem Reap, Bangkok, Battambang, Taipei and Rattanakiri. Contact information and schedule. - http://www.presidentairlines.com/
Siem Reap Airways International - Cambodian airline with flights connecting Bangkok, Siem Reap, Phnom Penh, Ho Chi Minh, Luang Prabang and Danang. Timetable, Discovery Airpass and contacts. - http://www.siemreapairways.com/