Bus is the budget and preferred form of transportation to travel from Phnom Penh to Siem Reap. Tourists prefers bus to flight because flight is more expensive and it does not offer a sight of Cambodian country life, such as the paddy fields, traditional wooden huts, and water buffalo at the side of the road.
Duration for bus from Phnom Penh to Siem Reap takes about 6 hours travelling road distance of approximately 314 kilometres. Bus fare for bus from Phnom Penh to Siem Reap is in the region of USD 13-15 depending on bus company.
Mekong Express is one of the most reliable and famous bus operators to offer bus from Phnom Penh to Siem Reap. On top of having excellent service, they also offer additional service by having complimentary snacks and WiFi on board. Mekong Express has 4 departures daily at 7.30AM, 8.30AM, 12.30PM and 2.25PM.
Besides Mekong Express, there are more operators to choose from including Larryta Express and PSD Express. Larryta Express offers van service for this route. There are 15 seats in Larryta Express van available for booking and 13 different departure time to choose from. Meanwhile, PSD Express is a new emerging bus company that offers luxury bus with WiFi on-board. PSD Express also receives many compliments for their first-rate service.
Besides bus, minibus is the alternative option from Phnom Penh to Siem Reap. Minibus is generally faster and cheaper. Minus takes just 5.5 hours to arrive at Siem Reap with the cost of USD11. Thero Express is one of minibus operator providing 4 departures daily at 08:00, 09:00, 14:30 and 16:00.
Phnom Penh does not have centralised bus station. Usually buses leave from their own unit of shop or own bus station. Mekong Express coaches leave from the station at Mekong Express office in Khan Russey Keo, Phnom Penh.
Most of the buses arriving in Siem Reap terminate at Siem Reap bus station, which is 3 km east of town. Passengers need to take Tuk Tuk to hotel in town area. However, some of the buses will drop-off the passengers at bus company office. Please make sure you check your drop-off point when your make your booking.
Speedboat does run between Phnom Penh and Siem Reap during their wet season July and March. It is nice and fun to travel by speedboat from Phnom Penh to Siem Reap. In fact, it can be one of the highlights in your Cambodia trip because the speedboat journey offers glimpse of Cambodian rural life on the river. Speedboat ticket cost is USD35.
Kindly note that the speedboat may not meet international safety standards and is notorious for break down fairly regularly resulting in cancellation.