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In this in-depth route guide, you'll find the best ways to travel the 450 kilometre distance from Kampot to Siem Reap. Whether you prefer the scenic overnight train, a convenient bus+ferry combo, or the fastest flight option — we've got all the details you need.
There are 4 ways to get from Kampot to Siem Reap. You can choose between the indirect bus via phnom penh, bus, flight, taxi. The most affordable option is by indirect bus via phnom penh, starting from $16. The fastest route is by flight (4h 40m).
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4h 40m
$108
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7h
$24
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8h 55m
$16
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9h
$169
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Taking a direct bus from Kampot to Siem Reap is a good option if you want a straightforward trip. The downside is that it’s a long journey, taking anywhere between 7h - 9h 30m.
There are two bus companies operating on this route: Giant Ibis and Virak Buntham Express.
Some travellers choose a late-night sleeper bus to save on a night of accommodation. Just keep in mind that you’ll arrive very early in the morning, often before sunrise, so it’s worth thinking about where you’ll wait or whether your accommodation allows early check-in.
For daytime travel, Giant Ibis runs a morning bus on this route. You can check all your options below.
You can travel from Kampot to Siem Reap by combining a taxi and a flight.
First, take a taxi from Kampot to Sihanoukville Airport, then catch a flight from Sihanoukville to Siem Reap.
Total travel time takes about 4h 40m, and the journey costs around $108.
ABOUT YOUR DESTINATION
Siem Reap and Angkor Wat come hand in hand with each other. Almost everyone who visits Siem Reap also explores the extensive and remarkable temples of Angkor Wat - the largest religious monument in the world.
Some visitors spend an entire week discovering every corner and carving of the temples, but here's your reminder to explore beyond Angkor Wat. The city also has cute cafes, a nightly circus that will leave you stunned, never-ending markets, and a lively Pub Street. For many, it exceeds expectations.
A private transfer from Kampot to Siem Reap is the easiest and most convenient option. The journey takes , and you’ll be dropped off right at your accommodation — no need to worry about extra transfers.
Prices for private transfer start at for a -seater. Split it with your group, and it’s about each.
Because this is a relatively long journey, a private transfer also gives you more flexibility. You can choose your departure time and make short stops along the way if needed.
It’s best to book your taxi in advance, as this route isn’t that common for local drivers.
You can also try hailing a taxi on the street or asking your hotel to help arrange one. Just make sure to agree on the fare beforehand because some drivers might try to charge more than what’s fair.
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Carbon Footprint
This 450 km journey produces approximately 40 g CO2 by bus. Taking public transport is one of the lowest-emission ways to travel this route.
Used the Songserm ferry from Koh Samui. Cheaper than Lomprayah but takes a bit longer. Still a perfectly fine crossing. The views approaching Koh Tao are stunning either way.
OOliver S.November 2025Ferry
Train via Surat Thani was our pick. More scenic than Chumphon route and the Lomprayah catamaran from Tapee Pier is very comfortable. Book the special express train for the quickest ride.
The overnight bus with Montanatip was okay but not great. The bus was older and the seats didn't recline much. Ferry portion was fine though. If you're on a tight budget it works.
Took the sleeper train to Chumphon — magical! Woke up to palm trees and transferred to the Lomprayah catamaran. Whole journey felt like an adventure.
Lomprayah bus+ferry combo from Khao San Road was seamless. Departed at 6am, arrived Koh Tao by 3pm. Well organized.
Flew to Koh Samui and took Lomprayah catamaran. More expensive but saved a full day. Worth it if your holiday is short.
Most travelers base themselves near the main beach for easy access to transport, restaurants, and activities.
Popular budget resort with pool, located on Sairee Beach. Walking distance to dive shops and restaurants.
800 THB/night ($24)
Beachfront bungalows with balconies overlooking Sairee Beach. On-site restaurant and dive center.
2,200 THB/night ($66)
Luxury resort with private beach, infinity pool, and spa. Perfect for couples wanting extra comfort.
6,500 THB/night ($195)
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