Are there any direct flights from Phu Quoc to Phnom Penh? If no, can you suggest me the best way to travel between these destinations?
Until now, there is no direct flight from Phu Quoc to Phnom Penh and vice versa. If you want to travel by air, you can book connecting flights via Hanoi or Ho Chi Minh. For your information, the total flight time from Phu Quoc to Phnom Penh is about 5 hours and 20 minutes via Hanoi and 4 hours and 10 minutes via Ho Chi Minh.
Besides, you can take a fast ferry from Phu Quoc to Ha Tien. In Ha Tien, it is convenient to catch a regular bus which departs daily to famous destinations in Cambodia such as Kep, Sihanouk Vill, Kampot, Phnompenh, and Siem Riep. The price for one way trip is quite reasonable, around USD 10 – 30.