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Last updated : 24/02/2026

From USD 14.00
| Cheapest Bus Tickets | USD 14.00 |
|---|---|
| Avg. Bus Duration | 10 hrs 20 mins |
| First Bus & Last Bus | 17:30 & 19:00 |
| Daily Bus Services | 3 buses |
Global customers
Active bus operators
Daily bookings
18 Years of experience you can trust
Female hotline, Instant resolution & refund, Self - support
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Pick your perfect seat
Travelling from O Smach to Phnom Penh by bus is now more convenient with online ticket booking platforms like redBus. Here, you get access to real-time seat availability, transparent pricing, and details about the bus operators. You can book your bus from anywhere at any time of the day. Enjoy hassle-free online bookings and travel insights. The website and app are supported in both Khmer and English.
We have listed 2 bus operators that offer 3 services on this route. The first bus on this route departs at 17:30 from O Smach and the last bus departs at 19:00 to Phnom Penh. With an average travel time of 10 hrs 20 mins. The bus journey is guaranteed to be comfortable with the advanced amenities, like spacious legroom. AC, Charging ports, etc.
redBus offers more than 200+ verified operators covering 28 cities in Cambodia. Some of the top operators in the O Smach to Phnom Penh bus route is:
Bus booking starts from USD 14 for O Smach to Phnom Penh. Additionally, there are a few discounts and offers that you can avail of from redBus.
Existing user discount of up to 25%. Use the offer code KHBUS during booking and get a 10% Discount up to USD $1 + 15% cashback up to USD $3 within 1 hour of ticket booking.
redDeals are provided by selected operators, where you can avail a FLAT USD $2 OFF on bus tickets. These offers are highlighted especially on the booking page, where bus operators are listed.
Celebrate the festive season with exciting travel deals and special promos on redBus Cambodia. Whether you are heading back home to your family or planning a holiday getaway, you can enjoy discounted fares and exclusive cashback on your bus journey. Keep an eye on the redBus website or app to avoid missing out, as these festive offers are live only for a limited time.
*T&C applied
The average bus duration from O Smach to Phnom Penh is approximately 10 hours.
The amenities available in the O Smach to Phnom Penh buses are:
The starting fare from O Smach to Phnom Penh is USD 14.
The last bus departs at 19:00 from O Smach.
Here are the reasons why redBus is so unique:
Enjoy your bus trip from O Smach to Phnom Penh ! You want to go the other way? check all offers from Phnom Penh to O Smach
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