(one for entry and one for exit) of the PDF visa, cut out the visa parts and keep them with your passport.
Visas in advance (either online or from an embassy/consulate) save time at the border but are more expensive. However, you do get to skip the queues of people applying for the visas arrival, although sometimes you may simply spend the saved time waiting at the airport luggage belt for your suitcase.
E-Visas are only valid for entry by air or at the three border main land crossings only: Bavet (on the Ho Chi Minh City-Phnom Penh road); Koh Kong (near Trat in Eastern Thailand); and Poipet (on the Bangkok-Siem Reap road). You may exit the country with e-visa via any border crossing, however. Given the general reduction in visa scams at the major land borders, paying the extra $5 to guarantee the price may (more likely if entering from Thailand) or may not worth it. Getting a tourist visa on arrival for US$20 is more likely than being overcharged. Plus it keeps the option open of the enjoyable Phnom Penh-Chau Doc boat trip (and the use of other minor border crossings)!
By plane
mbodia has international airports at Phnom Penh and Siem Reap.
Direct flights connect Phnom Penh International Airport (previously Pochentong International Airport) with mainland China (Beijing, Guangzhou), France (Paris), Hong Kong, Laos (Vientiane), Malaysia (Kuala Lumpur), Singapore, South Korea (Incheon), Taiwan (Taipei), Thailand (Bangkok) and Vietnam (Ho Chi Minh City).
Direct flights connect Siem Reap - Angkor International Airport with Laos (Pakse, Vientiane), Malaysia (Kuala Lumpur), Singapore, South Korea (Incheon, Busan), Thailand (Bangkok) and Vietnam (Hanoi, Ho Chi Minh City).
Travellers going specifically to visit the Angkor temple ruins may prefer to use Siem Reap as it's only a few minutes away from the main sites; however as Bangkok Airways has a monopoly on direct flights between Bangkok and Siem Reap, it's a
