Should travellers fly, bus or drive between Phnom Penh and Siem Reap?
The best choice depends on budget, time and tolerance for road hours. Flights can protect a short trip; buses or cars can work well when the day has margin and you are not treating Cambodia like a shuttle schedule.
Answer
The Phnom Penh–Siem Reap move is one of the route’s defining logistics decisions. A bus or van can be economical, but the day still belongs to the road. A private car can be more comfortable and flexible, especially for groups or families. A flight may look like overkill until a short trip starts losing whole days to transfers. The mistake is choosing transport in isolation from the rest of the itinerary. If Angkor begins the next morning, arrival comfort matters.
Recheck before you go
Transport schedules can change. Check current timings before you book around them.