Fastest way from Siem Reap to Sihanoukville: Flight, about 1h (from €86). Cheapest: Bus, from €13 (about 7h 30min – 10h). Main companies selling this route on 12Go (checked on October 13, 2026): Virak Buntham Express, Go Ho Travel, Saly VIP; main departure point: Siem Reap.
There are 2 ways to get from Siem Reap to Sihanoukville
Select an option below to see the route details and compare prices. Secure booking via our partner 12go.asia.
Companies selling this route on 12Go
Offers listed on 12Go on October 13, 2026 for a departure on November 3, 2026. Timetables and prices change with the date: check them before booking.
| Company | Mode | Departs from | From | Offers |
|---|---|---|---|---|
| Chan Moly Roth Transportation | Bus | Siem Reap CMR | €13 | 2 |
| Olongpich Transport | Bus | Siem Reap | €15 | 2 |
| Heng Julyta Transport | Bus | Siem Reap | €17 | 1 |
| Mekong Flash Travel | Bus | Capital tuor | €17 | 1 |
| Virak Buntham Express | Bus | Siem Reap | €18 | 6 |
| Go Ho Travel | Bus | Siem Reap Bus Go Ho Travel | €19 | 6 |
| Saly VIP | Bus | Saly VIP Siem Reap | €22 | 6 |
| Larryta Bus | Bus | Siem Reap Larryta Express | €26 | 2 |
| Trans Passion | Bus | Trans Passion Siem Reap | €30 | 5 |
| Giant Ibis Transport | Bus | Siem Reap Giant Ibis | €30 | 1 |
Activate an eSIM before you go: internet the moment you land, no SIM to swap, zero roaming fees.
Practical tips
If you're heading to Koh Rong or Koh Rong Samloem, book your ferry tickets online at the same time as your bus. Last-minute tickets, especially in peak season, can be more expensive or even sold out, risking you missing the last boat of the day from Sihanoukville.
When traveling long distances in Cambodia, especially overnight, always opt for well-known operators like Giant Ibis or Virak Buntham. They generally have better safety records, more comfortable buses, and adhere to schedules more closely than smaller, cheaper companies.
Bus journeys in Cambodia can be long, and while there are usually stops for food, having your own snacks and plenty of water is always a good idea. This ensures you're comfortable and hydrated, especially if stops are delayed or don't offer much choice.
While rare, petty theft can occur on buses. Keep your valuables, passport, and money in a small bag on your lap or securely stored where you can see it. Avoid putting anything important in the overhead compartment or in the bus's main luggage hold.
To avoid overpaying or dealing with unscrupulous agents, always book your bus and ferry tickets through trusted online platforms like 12go.asia or Baolau.vn. They offer clear pricing, instant confirmation, and often allow you to compare operators and departure times easily.
The journey experience
Navigating Cambodia's travel landscape can feel like a maze, especially when you're looking for accurate journey times and reliable operators. The Siem Reap to Sihanoukville route is a classic example, connecting the ancient wonders of Angkor with the southern coast's island getaways. Forget those overly optimistic schedules; we’re here to give you the real picture, comparing all your options side-by-side so you can plan with confidence and avoid nasty surprises.
For this long-haul trip, the bus is your primary and most economical option. Direct buses typically take around 9-12 hours, sometimes more depending on road conditions and operator stops. Companies like Giant Ibis, Virak Buntham, and Capitol Tours are popular choices, each offering varying levels of comfort from standard seats to more spacious sleeping buses. While tickets start around €14, be prepared to pay a bit more for the reputable operators known for safety and punctuality.
The key to a smooth journey in Cambodia, particularly on longer routes like this, is choosing your operator wisely. Don't just go for the cheapest fare. Prioritize companies with good reviews for safety and reliability, especially for overnight trips. Booking online through trusted platforms like 12go.asia or Baolau.vn a few days in advance is always recommended, securing your seat and providing instant confirmation, saving you from last-minute stress or falling victim to touts at bus stations.
Frequently asked questions — Siem Reap → Sihanoukville
The advertised duration is often optimistic. Expect the bus journey from Siem Reap to Sihanoukville to take between 9 and 12 hours, sometimes up to 13 hours if there are many stops or poor road conditions. Always factor in potential delays when planning your arrival in Sihanoukville, especially if you have a connecting ferry.
A bus ticket for this route typically costs between €14 and €25, depending on the operator and type of bus (standard vs. sleeping bus). Booking ahead, especially during peak season or for overnight buses, is highly recommended. It guarantees your seat and often secures a better price than last-minute purchases at the station.
For budget-conscious travelers, the bus is the most practical and popular option. Look for reputable companies like Giant Ibis or Virak Buntham for a balance of comfort and safety. If budget allows, a direct flight (though more expensive and less eco-friendly) is the fastest way to get there, taking just over an hour.
Night buses can save you a day of travel and a night's accommodation. While generally safe, choose well-regarded operators known for good drivers and well-maintained vehicles. Comfort varies; 'sleeping buses' with flat beds are usually more comfortable than standard buses. Keep valuables close and be aware of your surroundings.
Why visit Sihanoukville?
- ✓ Relax on Otres Beach, known for its calmer atmosphere and vibrant beach bars.
- ✓ Explore Koh Rong or Koh Lanta by boat for snorkeling, diving, and pristine beaches.
- ✓ Visit Kbal Chhay Waterfall, a scenic spot for picnics and refreshing dips.
- ✓ Enjoy fresh seafood at local restaurants, especially along the Serendipity Beach area.
- ✓ Discover the Ream National Park for mangrove forests, wildlife, and ecotourism activities.
When to visit Sihanoukville?
TROPICAL SAISONNIER
November to February — dry season with pleasant temperatures, ideal for outdoor activities and beach time.
What to do in Sihanoukville?
Local experiences, must-see sights and activities selected for you
How long to visit Sihanoukville?
For independent travelers, Sihanoukville itself warrants 2-3 days to explore its beaches and local scene. If you plan island hopping to Koh Rong or Koh Lanta, extend your stay to 5-7 days for a more relaxed experience. Prioritize island time over city time.
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