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How to get from Phnom Penh to Siem Reap
Buses from Phnom Penh to Siem Reap take about 6 to 7 hours and are the most common way to travel. Flights take about 45 minutes to the new Siem Reap Angkor International Airport, about 50 km from town.
Best option: Bus. Buses are cheap and frequent, and once airport transfers are added the flight saves less time than it seems.
All the ways to make the trip
| How | Time | How often | Price* | Good to know |
|---|---|---|---|---|
| bus Buses and minivans (companies such as Giant Ibis) on National Road 6 | about 6–7 h | many a day | about US$10–20 | Book a reputable company. |
| flight Phnom Penh to Siem Reap Angkor International (SAI) | about 45 min | a few flights a day | about US$60–150 | The airport is about 50 km from town. |
| car Private car or taxi on National Road 6 | about 5–6 h | about US$80–120 | Agree the price in advance. |
*Approximate prices and times for 2026. Timetables change by season: check with the operator before you travel.
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Tips
- Choose reputable bus companies.
- Minivans are faster but less comfortable.
- Arrange your airport transfer from SAI.
- Night buses are available.
Common questions
How long is the bus?
About 6 to 7 hours on National Road 6, depending on stops and traffic. Buses leave throughout the day and at night. Most buses stop once or twice for food and toilets. Choose a company with good reviews and comfortable seats.
Is flying worth it?
The flight is about 45 minutes, but the new Siem Reap airport is about 50 km from town. With transfers and check-in, it saves a few hours compared with the bus. Fares are lowest if you book a few weeks early.
What is the cheapest way?
The bus is cheapest, from about US$10. Minivans are similar in price and slightly faster. Buy tickets from the company office or online the day before. Night buses with sleeper berths are available for a little more, and save a hotel night.
Is there a boat?
Boats on the Tonle Sap have run between Phnom Penh and Siem Reap, but they are seasonal and depend on water levels. Check locally. They are usually only practical in the wet season when water levels are high. Buses are much more reliable.
Compiled by TonyPlan from operator and transport information and travel knowledge; updated 2026-10-05. Anything we could not confirm is marked as approximate.